Browse AMR Genes
Explore antimicrobial resistance genes from the literature
Explore antimicrobial resistance genes from the literature
subclass B1 metallo-beta-lactamase VIM-20
Overview
| Protein Change | Nucleotide Change | Mechanism | Organism | Resistance To | Database | Validation Status |
|---|---|---|---|---|---|---|
| H121R | - | - | - | carbapenems | Reslit | Candidate |
| Allele | Database | Papers | Drug Classes | Organisms | Countries | Years | Sequence Accession | Protein Accession |
|---|---|---|---|---|---|---|---|---|
| blaVIM-20 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 8 | MEROPENEM, ERTAPENEM +18 | Pseudomonas aeruginosa +2 | Brazil|India|Sweden|USA|Argentina|Italy|Japan, Poland, Europe | 2019, 2021, 2023, 2025 | GQ414736.1 | ACV13198.1 |
| blaVIM-25 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | MEROPENEM, ERTAPENEM +16 | Proteus mirabilis +1 | various countries|Global | 2022 | HM750249.1 | ADO50679.1 |
| blaVIM-32 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Klebsiella oxytoca | - | - | JN676230.2 | AEZ49857.1 |
| blaVIM-40 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | MEROPENEM, ERTAPENEM +14 | Enterobacter cloacae +1 | Poland | 2023 | HG934765.1 | CDN33428.1 |
| blaVIM-41 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KP771862.1 | AKQ98358.1 |
| blaVIM-42 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Klebsiella pneumoniae | - | - | KP071470.1 | AJP08641.1 |
| blaVIM-43 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KP096412.1 | AJP67511.1 |
| blaVIM-44 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KP681696.1 | AKO63212.1 |
| blaVIM-45 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KP681695.1 | AKO63211.1 |
| blaVIM-46 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KP749829.1 | AKQ98357.1 |
| blaVIM-47 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KT954134.1 | ALK87206.1 |
| blaVIM-48 | Card DatabaseReference Gene CatalogResFinder Database | 4 | CARBAPENEM, MEROPENEM +13 | Citrobacter cronae +1 | - | - | KT964061.1 | ALM96779.1 |
| blaVIM-49 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KU663374.1 | AMD11802.1 |
| blaVIM-50 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | - | KU663375.1 | AMD11803.1 |
| blaVIM-51 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Klebsiella pneumoniae | - | - | KU746270.1 | AMK97465.1 |
| blaVIM-52 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | MEROPENEM, ERTAPENEM +14 | Klebsiella pneumoniae +1 | Belgium|Greece | 2021 | KX349731.1 | ANI25016.1 |
| blaVIM-53 | Card DatabaseReference Gene CatalogReslit | 5 | CARBAPENEM, ceftazidime +2 | Pseudomonas aeruginosa +1 | Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America | 2024 | KX788872.1 | AOP17664.1 |
| blaVIM-54 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Serratia marcescens | - | - | KY508061.1 | APY16324.1 |
| blaVIM-55 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Klebsiella pneumoniae | - | - | MG552720.1 | ATY69436.1 |
| blaVIM-56 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Citrobacter freundii | - | - | MG834535.1 | AUT30820.1 |
| blaVIM-57 | Card DatabaseReference Gene CatalogResFinder Database | 5 | MEROPENEM, ERTAPENEM +13 | Escherichia coli | - | - | MH450217.1 | AWU66465.1 |
| blaVIM-58 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Enterobacter cloacae | - | - | MH479908.1 | AWV82454.1 |
| blaVIM-59 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Citrobacter freundii | - | - | MH548439.1 | AWY71041.1 |
| blaVIM-60 | Card DatabaseReference Gene CatalogReslit | 4 | CARBAPENEM, cefepime +7 | Pseudomonas aeruginosa +1 | Japan | 2019 | LC405957.1 | BBF24895.1 |
| blaVIM-61 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MK098862.1 | AYP70145.1 |
| blaVIM-62 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas putida | - | - | MG717459.1 | AXH79879.1 |
| blaVIM-63 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MK780742.1 | QCB64361.1 |
| blaVIM-64 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Klebsiella pneumoniae | - | - | MK807022.1 | QCE31562.1 |
| blaVIM-65 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Citrobacter freundii | - | - | MK807023.1 | QCE31563.1 |
| blaVIM-66 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | LC467967.1 | BBJ06445.1 |
| blaVIM-67 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Enterobacter hormaechei | - | - | MN166907.1 | QDM39451.1 |
| blaVIM-68 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Providencia stuartii | - | - | MN267702.1 | QED08960.1 |
| blaVIM-69 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | SGUI01000104.1 | RZN95180.1 |
| blaVIM-70 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MN920417.1 | QHI08146.1 |
| blaVIM-71 | Card DatabaseReference Gene CatalogReslit | 4 | CARBAPENEM, carbapenems | Vibrio alginolyticus +1 | Ghana | 2022 | MT588301.1 | QKV50751.1 |
| blaVIM-72 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MT872420.1 | QNG62079.1 |
| blaVIM-73 | Card DatabaseReference Gene Catalog | 3 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MT872421.1 | QNG62080.1 |
| blaVIM-74 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | MW811442.1 | QTG68659.1 |
| blaVIM-75 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Proteus mirabilis | - | - | MZ748327.1 | QYZ89894.1 |
| blaVIM-76 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | LC648428.1 | BDA82255.1 |
| blaVIM-78 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Proteus mirabilis | - | - | OK180983.1 | UBK22127.1 |
| blaVIM-79 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Klebsiella oxytoca | - | - | OK217280.1 | UBL87558.1 |
| blaVIM-80 | Card DatabaseReference Gene CatalogReslit | 4 | CARBAPENEM, carbapenems | Pseudomonas aeruginosa | Chile, United States | 2022, 2023 | JACTAE010000183.1 | MBC9045152.1 |
| blaVIM-81 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | ON059758.1 | UNZ81762.1 |
| blaVIM-82 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | CAKNDP010000008.1 | WP_238839790.1 |
| blaVIM-84 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | ON688661.1 | UWQ12890.1 |
| blaVIM-85 | Card DatabaseReference Gene CatalogReslit | 3 | CARBAPENEM, carbapenems +2 | Pseudomonas aeruginosa +1 | China | 2023 | ON688662.1 | UWQ12891.1 |
| blaVIM-87 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | ABPYXB010000003.1 | EME7055635.1 |
| blaVIM-88 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Enterobacter cloacae | - | - | PQ394569.1 | XHO32912.1 |
| blaVIM-89 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PQ394570.1 | XHO32913.1 |
| blaVIM-90 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PQ394571.1 | XHO32914.1 |
| blaVIM-91 | Card DatabaseReference Gene Catalog | 2 | CARBAPENEM | Pseudomonas aeruginosa | - | - | JBHOJN010000016.1 | MFC1252596.1 |
| blaVIM-92 | Reference Gene Catalog | 1 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PQ563311.1 | XKB79100.1 |
| blaVIM-93 | Reference Gene Catalog | 1 | CARBAPENEM | Enterobacter cloacae complex sp. | - | - | PQ881805.1 | XNX55853.1 |
| blaVIM-94 | Reference Gene Catalog | 1 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PV075094.1 | XOU30559.1 |
| blaVIM-95 | Reference Gene Catalog | 1 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PV088245.1 | XPD12777.1 |
| blaVIM-96 | Reference Gene Catalog | 1 | CARBAPENEM | Klebsiella variicola subsp. variicola | - | - | PX096848.1 | XYW63392.1 |
| blaVIM-97 | Reference Gene Catalog | 1 | CARBAPENEM | Pseudomonas aeruginosa | - | - | PZ139268.1 | YDO78656.1 |
| blaVIM-1 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 158 | MEROPENEM, ERTAPENEM +31 | Pseudomonas aeruginosa +48 | Italy, Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, Greece, Europe|Greece|Hungary|Italy|Sweden, Spain, France|Egypt|India, Ontario, Canada, Bulgaria, Tehran, Germany, Taiwan, Netherlands, Iran, Japan, North of Iran, Kentucky|United States, Middle East|Afghanistan|Iraq|Egypt|Pakistan|Lebanon|Iran|Jordan|Persian Gulf Countries|United Arab Emirates|Kuwait|Qatar|Bahrain|Oman|Saudi Arabia|Turkey, Europe, United States|Europe|Asia|Africa|South America|India|United Kingdom|Egypt|Belgium|Italy|China|United Arab Emirates, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Egypt, Japan|Nepal|Vietnam, Japan|Taiwan, China, Sweden, Gothenburg, Eastern China, US, Italy|France|Portugal|Spain|Brazil, Saudi Arabia, Mexico, United States, India|France|Italy|Japan|Portugal|Iran|United States|Mexico|Global, Italy|Colombia|United States|South Africa|India|Greece|North Africa, Portugal, Kenya, Europe|Poland, Chitwan, Nepal, Brazil|India|Sweden|USA|Argentina|Italy|Japan, Switzerland|Germany|Austria|Egypt, Egypt|United Arab Emirates, Anhui province, Japan|France|United Kingdom|North America|South America|Europe|Asia/Oceania|Africa, Europe|EU|China|Portugal|Germany, Global, Canada, Southern Italy, China|India|Vietnam|Nigeria|South Africa|United Kingdom|Canada|Germany|global, various countries|Global, Poland, Lower Saxony, Germany, Egypt|Canada, Mexico|Mexico City, France, Europe|Italy|Brazil|Czechia|Germany|Finland|Netherlands|Norway|Sweden, Chile, USA|Europe|Asia|Africa|South America|North and South America, Portugal|Spain, Upper Austria, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America, Czech Republic, Bulgaria|Europe, USA|China|Japan|Spain|United Kingdom|Germany|France|South Korea|Netherlands|Viet Nam|Laos|Canada|Czech Republic|Argentina|Brazil|Belgium|Denmark|Iran|Australia|Croatia|Ghana|Mexico|Missing, Brazil, Europe|Italy, Northern Italy, India|United States, Europe|Austria | 1999, 2005, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | AF317511.1 | AAN63496.1 |
| blaVIM-2 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 202 | carbapenems, MEROPENEM +33 | Pseudomonas aeruginosa +53 | France, Taiwan, Europe, Korea, Croatia, Japan, Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, United States, Colombia, Poland, Italy, Europe|Greece|Hungary|Italy|Sweden, Calgary Health Region, Argentina, Hungary, India, China, Greece, Norway|Sweden, Brazil, Daejeon, Korea, Tunisia, Europe|Asia|North America|South America, Malaysia, Iraq, South Korea, Arabian Peninsula|Saudi Arabia|United Arab Emirates|Kuwait|Oman|Qatar|Bahrain, Germany, Tehran, Egypt, Northeast Ohio, West Africa|Central Africa, Germany|Spain|France|China|United States|Argentina|Canada|Colombia|Croatia|Brazil|Greece|Italy|Israel|India|Portugal|Philippines|Romania|Taiwan, Iran, United States|Guatemala|India|Jordan|Lebanon|France|Poland|Romania|Russia, Middle East|Afghanistan|Iraq|Egypt|Pakistan|Lebanon|Iran|Jordan|Persian Gulf Countries|United Arab Emirates|Kuwait|Qatar|Bahrain|Oman|Saudi Arabia|Turkey, Mainland China, Venezuela, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, South Africa, Japan|Nepal|Vietnam, Nepal, United States|Colombia|Australia|India|China|France|Germany|Egypt|Switzerland|Pakistan|Morocco|Tunisia|Taiwan, Peru, Brazil|United States, Myanmar, Italy|France|Portugal|Spain|Brazil, Qatar, Indonesia, Costa Rica|United Kingdom|Netherlands, India|France|Italy|Japan|Portugal|Iran|United States|Mexico|Global, global, Australia|India, Europe|Greece, Ontario, Canada, Khuzestan|Fars, Africa|Asia|South Asia, Costa Rica, Brazil|India|Sweden|USA|Argentina|Italy|Japan, Egypt|United Arab Emirates, Europe|China|Pakistan|USA, Philippines, Northwestern Tunisia|Tunisia, Netherlands, Russia|Moscow, Spain|Portugal, Saudi Arabia, Europe|South Korea, China|USA|Brazil|Portugal|Sweden|Poland, Global, Pakistan, Paraguay, various countries|Global, Zagreb, Croatia, Nigeria, Guangdong, China, United States|Canada|Europe, Singapore, Switzerland, Portugal, Florida, USA, Comoros|Madagascar|Maldives|Mauritius|Mayotte|Reunion Island|Seychelles|Sri Lanka|Zanzibar, Southern Italy, USA|Europe|Asia|Africa|South America|North and South America, Upper Austria, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America, Mexico, Israel|Texas, Bulgaria, Spain, Europe|United States, Bangladesh, Tanzania, Argentina|Canada|Germany|United States, Europe|Asia|Latin America, India|United States, Bolivia | 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | EF614235.1 | ABR10840.1 |
| blaVIM-4 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 51 | MEROPENEM, ERTAPENEM +28 | Pseudomonas aeruginosa +27 | Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, Poland, Europe|Greece|Hungary|Italy|Sweden, Hungary, Norway|Sweden, Greece|Italy|Sweden|Hungary|Poland|Belgium|Tunisia|United States|Australia, China, Germany, United States, Middle East|Afghanistan|Iraq|Egypt|Pakistan|Lebanon|Iran|Jordan|Persian Gulf Countries|United Arab Emirates|Kuwait|Qatar|Bahrain|Oman|Saudi Arabia|Turkey, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Hong Kong, France, Gaza Strip|Palestine, Europe, China|USA|Brazil|Portugal|Sweden|Poland, China|India|Vietnam|Nigeria|South Africa|United Kingdom|Canada|Germany|global, various countries|Global, Sweden, Belgium, Europe|Asia|North America|Western and South-Eastern Asia, Bulgaria, USA|China|India|Thailand|Brazil|Hungary|South Africa|Egypt|Tunisia|Europe|Asia, USA|Europe|Asia|Africa|South America|North and South America, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America, Bulgaria|Europe, Spain|China|Taiwan | 2002, 2005, 2006, 2008, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | AM087411.1 | CAJ32502.1 |
| blaVIM-77 | Card DatabaseReference Gene CatalogReslit | 4 | carbapenems, CARBAPENEM | Pseudomonas shirazica +1 | Poland | 2022 | NG_078035.1 | WP_231869637.1 |
| blaVIM | Reslit | 297 | carbapenems, ceftazidime +21 | Pseudomonas aeruginosa +91 | Italy, Brazil, Canada, Singapore, south India, Global|India|Spain, Europe, Sierra Leone, Iran, Germany, United States|Spain, Japan, India, Nepal, China, Arabian Peninsula|Saudi Arabia|Kuwait|Oman|United Arab Emirates, United States, Belgium, Korea, Middle East|Afghanistan|Iraq|Egypt|Pakistan|Lebanon|Iran|Jordan|Persian Gulf Countries|United Arab Emirates|Kuwait|Qatar|Bahrain|Oman|Saudi Arabia|Turkey, Turkey, Argentina|Colombia|Ecuador|Guatemala|Mexico|Peru|Venezuela, United States|United Kingdom|Spain, Taiwan, Medellín, Colombia, United States|Europe|Asia|Africa|South America|India|United Kingdom|Egypt|Belgium|Italy|China|United Arab Emirates, Spain, Saudi Arabia, global, Bangladesh, Norway, France, Egypt, Japan|Myanmar|Singapore|Thailand, Pakistan, Mexico City, Northern California, UK, La Paz, Bolivia|La Paz River basin, Lebanon, Thailand, Global, Ireland, South Korea, Barcelona, Spain, United States|India|Turkey|Europe, Poland, East India, Brazilian Amazon|Brazil, Iraq, Brazil|Czech Republic|Germany|India|Japan|Kenya|Kuwait|Nigeria|Philippines|South Korea|Thailand|United States, US, Colombia, South Africa, Eastern Cape Province, Republic of South Africa|South Africa, Taiwan|Taipei, Taiwan, Global|global|Turkey, Europe|Israel, Nigeria, Malaysia, UK|USA|France|Spain|Italy|Europe, Sudan, Germany|Arabian Peninsula, Europe|Iraq, Asia|Pacific, Qatar, Asia|Hong Kong, Europe|Greece, Slovenia, Europe|Portugal, Finland, South India, Benin, Jordan, various countries|Global, China|global, Colombia|India|Spain|France|Greece|Germany|Argentina|Croatia|China|Brazil|Mexico|Romania|Philippines|United States, Colombia|Chile|Argentina|Mexico|Brazil, Faisalabad, Pakistan, Netherlands, Middle East, Guangdong, China, Romania, Virginia, Uganda, Saudi Arabia|Riyadh|Jeddah|Makkah|Al Jouf|Aseer|Najran|Eastern Region|Western Region|Northern Region|Southern Region, Ivory Coast|Ghana, Baghdad, Iraq, Florida, Italy|Greece, Portugal, Croatia, Iran|India|Bangladesh|China|Nepal|Ethiopia|Russia|Pakistan|Egypt|Brazil, Europe|Ukraine, Mexico, Europe|North America, Bulgaria, Kenya, USA|China|Japan|Spain|United Kingdom|Germany|France|South Korea|Netherlands|Viet Nam|Laos|Canada|Czech Republic|Argentina|Brazil|Belgium|Denmark|Iran|Australia|Croatia|Ghana|Mexico|Missing, United States|China|Colombia|Argentina|Chile|Australia|Singapore, Algeria, Argentina, United Arab Emirates, England, Europe|Switzerland, Southwest Nigeria, Kuwait, Calgary, Canada|Calgary, Alberta, Canada, Europe|Croatia, Kisii, Kenya|Kenya, Amhara National Regional state, Ethiopia, Morocco, Peru, India|Sweden|China|Hong Kong, Europe|Asia|North America|South America | 2000, 2002, 2005, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 | KC004135|KC004136 | - |
| bla(VIM-2) | Reslit | 7 | carbapenems | Pseudomonas aeruginosa +3 | France, Korea, Europe, Colombia, China, Europe|Switzerland | 2001, 2002, 2017, 2019, 2024, 2025 | AF263519|AF263520 | - |
| bla(VIM-1) | Reslit | 7 | carbapenems, imipenem +1 | Achromobacter xylosoxydans +6 | Italy, Europe, Europe|Asia|North America|South America|Australia|Africa, Iran, Egypt, Germany | 2001, 2014, 2018, 2019, 2020, 2023 | AJ278514|AJ278515 | - |
| blaVIM-3 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 8 | carbapenems, MEROPENEM +16 | Pseudomonas aeruginosa +1 | Taiwan, Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, various countries|Global | 2001, 2005, 2012, 2022 | AF300454 | AAG27703.1 |
| bla(VIM-4) | Reslit | 4 | carbapenems, cephalosporins +1 | Pseudomonas aeruginosa +2 | Greece, United States, Hungary, Europe|Switzerland | 2002, 2019, 2020, 2025 | AY135661 | - |
| blaVIM-7 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 7 | carbapenems, cephalosporins +16 | Pseudomonas aeruginosa +1 | United States, Brazil|India|Sweden|USA|Argentina|Italy|Japan | 2004, 2014, 2021 | AJ536835 | CAD61201.1 |
| blaVIM-6 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 20 | imipenem, meropenem +22 | Pseudomonas putida +8 | Singapore, Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, India, Kenya, Africa|Asia|South Asia, Brazil|India|Sweden|USA|Argentina|Italy|Japan, Philippines, Pakistan, various countries|Global, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America, Argentina|Canada|Germany|United States | 2004, 2005, 2009, 2014, 2021, 2022, 2023, 2024, 2025 | AY165025|AY251052|AY250709 | AAN84550.1 |
| blaVIM-5 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 16 | MEROPENEM, ERTAPENEM +19 | Klebsiella pneumoniae +14 | Japan|Italy|Portugal|South Korea|Taiwan|France|Greece|USA|Turkey|Singapore|Brazil|Argentina|South America|Southern Europe|Southeast Asia, Turkey, India, Middle East|Afghanistan|Iraq|Egypt|Pakistan|Lebanon|Iran|Jordan|Persian Gulf Countries|United Arab Emirates|Kuwait|Qatar|Bahrain|Oman|Saudi Arabia|Turkey, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Ghana, Nigeria, United Kingdom, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America | 2004, 2005, 2009, 2015, 2017, 2022, 2023, 2024, 2025 | AY144612.1 | AAN52134.1 |
| blaVIM-8 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | carbapenems, MEROPENEM +14 | Pseudomonas aeruginosa | Colombia, Indonesia | 2004, 2019 | AY524987 | AAS13759.1 |
| bla(VIM-11) | Reslit | 1 | carbapenems | Pseudomonas aeruginosa | Argentina | 2005 | AY605049 | - |
| blaVIM-11 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 9 | MEROPENEM, ERTAPENEM +22 | Pseudomonas aeruginosa +2 | India, Malaysia, Pakistan, various countries|Global, Europe|Ukraine|Myanmar|Netherlands|United States|India|Uganda|Poland|Pakistan|Tanzania | 2005, 2009, 2012, 2022, 2025 | AY605049.2 | AAT36613.1 |
| blaVIM-11a | Reslit | 1 | imipenem, meropenem | Pseudomonas aeruginosa | Argentina | 2005 | - | - |
| blaVIM-12 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 7 | carbapenems, cephalosporins +17 | Klebsiella pneumoniae +1 | Greece, Europe | 2005, 2008, 2021 | DQ143913 | AAZ73123.1 |
| blaVIM-15 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | carbapenems, cephalosporins +16 | Pseudomonas aeruginosa +1 | Bulgaria|Germany, Brazil|India|Sweden|USA|Argentina|Italy|Japan | 2008, 2021 | EU419745|EU419746 | ACB54702.1 |
| blaVIM-16 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | carbapenems, cephalosporins +16 | Pseudomonas aeruginosa +1 | Bulgaria|Germany | 2008 | EU419745|EU419746 | ACB54703.1 |
| blaVIM-13 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | carbapenems, MEROPENEM +14 | Pseudomonas aeruginosa +1 | Spain | 2008 | DQ365886|EF577407|EF577408 | ABC94518.1 |
| blaVIM-10 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | 2008 | AY524989.1 | AAS13761.1 |
| blaVIM-9 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | 2008 | AY524988.1 | AAS13760.1 |
| blaVIM-18 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | carbapenems, MEROPENEM +15 | Pseudomonas aeruginosa +1 | India | 2009 | AM778091 | CAO83029.1 |
| blaVIM-17 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | carbapenems, MEROPENEM +16 | Pseudomonas aeruginosa | Greece, USA|Europe|Asia|Africa|South America|North and South America | 2009, 2023 | EU118148|EU118149 | ABW90721.1 |
| blaVIM-19 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 10 | carbapenems, penicillin +18 | Escherichia coli +4 | Algeria, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America | 2010, 2017, 2024, 2025 | FJ499397 | ACY29468.1 |
| blaVIM-23 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | MEROPENEM, ERTAPENEM +14 | Enterobacter cloacae +1 | Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific | 2011, 2017 | GQ242167.1 | ACT33323.1 |
| blaVIM-24 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 7 | carbapenems, MEROPENEM +14 | Klebsiella pneumoniae +2 | Colombia, Brazil, China|Colombia|Lebanon|Singapore|United States | 2011, 2023 | HM855205 | ADL27533.1 |
| blaVIM-27 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 11 | imipenem, cefepime +19 | Klebsiella pneumoniae +5 | Greece, Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Boston|California|New York, India|United States | 2011, 2017, 2021, 2022, 2025 | HQ858608 | ADX78234.1 |
| blaVIM-14 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | carbapenems, MEROPENEM +14 | Pseudomonas aeruginosa +1 | Italy | 2011 | AY635904|FJ445404 | AAT48653.1 |
| blaVIM-26 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | MEROPENEM, ERTAPENEM +16 | Klebsiella pneumoniae +2 | Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Brazil|India|Sweden|USA|Argentina|Italy|Japan | 2011, 2017, 2021 | FR748153.1 | CBY80143.1 |
| blaVIM-31 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 7 | carbapenems, MEROPENEM +16 | Enterobacter cloacae +3 | Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific, Brazil|India|Sweden|USA|Argentina|Italy|Japan | 2012, 2017, 2021 | JN982330.1 | AFK24647.1 |
| blaVIM-33 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | MEROPENEM, ERTAPENEM +14 | Klebsiella pneumoniae +1 | Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific | 2013, 2017 | JX258134.1 | AFP99175.1 |
| blaVIM-30 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | 2013 | JN129451.1 | AET05999.1 |
| blaVIM-34 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | carbapenems, MEROPENEM +14 | Klebsiella pneumoniae +1 | Portugal | 2014 | JX013656 | AFN88953.1 |
| blaVIM-29 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | MEROPENEM, ERTAPENEM +14 | Escherichia coli +1 | Europe|Africa|Asia|Latin America|Middle East|North America|South Pacific | 2013, 2017 | JX311308.1 | AFP99885.1 |
| blaVIM-38 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 6 | MEROPENEM, ERTAPENEM +19 | Pseudomonas aeruginosa +1 | Turkey | 2014, 2015, 2016 | KC469971.2 | AGE83081.2 |
| blaVIM-36 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | 2014 | JX982635.1 | AGC50806.1 |
| blaVIM-37 | Card DatabaseReference Gene CatalogResFinder Database | 4 | MEROPENEM, ERTAPENEM +13 | Pseudomonas aeruginosa | - | 2014 | JX982636.1 | AGC50807.1 |
| blaVIM-28 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 8 | MEROPENEM, ERTAPENEM +16 | Pseudomonas aeruginosa +3 | Gaza Strip|Palestine, UK|Kuwait, Argentina|Canada|Germany|United States | 2014, 2020, 2022, 2025 | JF900599.1 | AEI25539.1 |
| blaVIM-35 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | doripenem, imipenem +16 | Klebsiella oxytoca +1 | Europe|Mediterranean countries | 2014 | JX023441.1 | AGC50805.1 |
| blaVIM-39 | Card DatabaseReference Gene CatalogResFinder DatabaseReslit | 5 | MEROPENEM, ERTAPENEM +16 | Klebsiella pneumoniae +1 | Brazil|India|Sweden|USA|Argentina|Italy|Japan | 2015, 2021 | KF131539.1 | AGS82586.1 |
| bla_VIM | Reslit | 15 | carbapenems, meropenem +5 | Acinetobacter baumannii +5 | Europe|Brazil|China|Switzerland|Iran|Puerto Rico|United States, South Africa, France, Germany|Kosovo|Ukraine|Afghanistan, Egypt, Uganda, Veneto|Marche, Valencia, Spain, United Kingdom, Iran, Alexandria, Egypt, Croatia, Tianjin|Southern Karnataka, Brazil | 2016, 2018, 2020, 2021, 2022, 2023, 2024, 2025 | PRJNA850894 | - |
| VIM | Reslit | 18 | carbapenems, imipenem +4 | Enterobacter cloacae +10 | South Korea, Delhi, India, Tanzania|Thailand|human|swine, Bahrain, India, Italy, Europe, Iran, China, Japan, Netherlands, United States|Europe, United States, United States|European Union, Guangzhou, China | 2017, 2019, 2020, 2021, 2022, 2023, 2024 | KY706079|KY706080|KY753816 | - |
| bla(VIM) | Reslit | 7 | imipenem, meropenem +3 | Pseudomonas aeruginosa +14 | Iran, Uganda, North America|Europe, Kathmandu, Nepal, Pakistan, Mexico City | 2017, 2019, 2020, 2021, 2022, 2023 | - | - |
| bla(VIM-5) | Reslit | 1 | carbapenems | Pseudomonas putida group | Nigeria | 2018 | LC169578|JF412714|CP016955|EF614235|KC776907|CP016215|KY883660|AE015451 | - |
| bla(VIM-20) | Reslit | 1 | carbapenems | Escherichia coli | - | 2019 | 6OP6|6OP7 | - |
| bla_vim-1 | Reslit | 1 | meropenem | Pseudomonas aeruginosa PA01 | - | 2020 | - | - |
| bla_VIM-2 | Reslit | 1 | carbapenems | Escherichia coli | - | 2020 | - | - |
| blaVIM–1 | Reslit | 2 | meropenem, ertapenem +2 | Escherichia coli +4 | Germany, France | 2020, 2021 | JAEVEU00000000|JAEVEV00000000|JAEVEW00000000 | - |
| blaVIM-like | Reslit | 2 | ceftazidime, cefepime +3 | Escherichia coli +4 | Taiwan, Eastern Europe|Western Europe | 2021 | - | - |
| bla_VIM-1 | Reslit | 1 | carbapenems | Escherichia coli | France|Spain | 2022 | NCBI:NC_000913.3|NCBI:NC_011740.1|EnteroBase|GCA_005886035.1|CNR65D6|GCA_004759025.1|CNR85I8|OU701452.1|OU701449.1 | - |
| bla_VIM-4 | Reslit | 2 | carbapenems | Escherichia coli +1 | France|Spain, Wales | 2022, 2023 | NCBI:NC_000913.3|NCBI:NC_011740.1|EnteroBase|GCA_005886035.1|CNR65D6|GCA_004759025.1|CNR85I8|OU701452.1|OU701449.1 | - |
| bla(VIM-63) | Reslit | 1 | carbapenems | Pseudomonas aeruginosa +1 | Spain | 2022 | NG_064785.1|WP_136512108.1|PRJNA768321|SAMN22027648|SAMN22027649|SAMN22027650|SAMN22027651 | - |
| vim | Reslit | 2 | carbapenems | Pseudomonas aeruginosa +1 | Poland, Europe | 2023, 2025 | - | - |
| blaVIM-83 | Card DatabaseReference Gene CatalogReslit | 4 | ceftazidime, cefepime +3 | Escherichia coli +2 | Asia/South Pacific|Europe|Latin America|Middle East/Africa|North America | 2024 | OP353772.1 | UWI53403.1 |
| blaVIM-86 | Card DatabaseReference Gene CatalogReslit | 3 | CARBAPENEM, carbapenems | Providencia stuartii +1 | Bulgaria|Europe | 2024 | OP998371.1 | WAU52774.1 |
| blaVIM -like | Reslit | 1 | ertapenem, meropenem +1 | Klebsiella pneumoniae +2 | Southwest Amazon region|Rondônia|Brazil | 2024 | - | - |
| bla_VIM-92 | Reslit | 1 | meropenem, imipenem +5 | Pseudomonas aeruginosa +2 | northern China|China | 2025 | PQ563311|HM855205.1|ON688661.1|CP104585.1|CP104587.1|AF313472.2|KY494864.1|CP104591.1|MT732194.1|HM855205|ON688662.1 | - |
| blaVIM-1/4 | Reslit | 1 | amoxicillin, amoxicillin clavulanic acid +11 | Enterobacter hormaechei complex | Europe | 2025 | NCBI Assembly Database|AY034847|HG530658|FJ237369|Y16410|A Y007369|HQ170510|KQ089875|J03427|AY236073|FJWZ01000025|EF027105|AF244145|DQ845788|FN396876|Y18050|AF203818|U10186|AM040708|KF921535|AF221900|AF174129|FJ460238|EU855687|AY552589|DQ267940|FJ459817|U36276|X72585|M85195|AB522970|EU195449|AF051917|EU118119|AF099140|D16251|DQ839391|FR751518|MN179494|AY070235|GQ463707|DQ351241|DQ351242|DQ303921|EF523819|EU043311|EU432277|AB187515|JF806499|AJ517790|AP000342|AF055345|AF467077|AF133140|MK134376|MN175502 | - |
| blaVIM-1+ | Reslit | 1 | carbapenems | Klebsiella pneumoniae | Spain | 2026 | PRJEB78527|PRJEB88879 | - |
Cloning and characterization of blaVIM, a new integron-borne metallo-beta-lactamase gene from a Pseudomonas aeruginosa clinical isolate.
Cloning and characterization of blaVIM, a new integron-borne metallo-beta-lactamase gene from a Pseudomonas aeruginosa clinical isolate.
Cloning and characterization of blaVIM, a new integron-borne metallo-beta-lactamase gene from a Pseudomonas aeruginosa clinical isolate.
Cloning and characterization of blaVIM, a new integron-borne metallo-beta-lactamase gene from a Pseudomonas aeruginosa clinical isolate.
Characterization of VIM-2, a carbapenem-hydrolyzing metallo-beta-lactamase and its plasmid- and integron-borne gene from a Pseudomonas aeruginosa clinical isolate in France.
The study characterizes VIM-2, a carbapenem-hydrolyzing metallo-beta-lactamase, and its plasmid- and integron-borne gene from a Pseudomonas aeruginosa clinical isolate in France.
Characterization of VIM-2, a carbapenem-hydrolyzing metallo-beta-lactamase and its plasmid- and integron-borne gene from a Pseudomonas aeruginosa clinical isolate in France.
Characterization of VIM-2, a carbapenem-hydrolyzing metallo-beta-lactamase and its plasmid- and integron-borne gene from a Pseudomonas aeruginosa clinical isolate in France.
Characterization of VIM-2, a carbapenem-hydrolyzing metallo-beta-lactamase and its plasmid- and integron-borne gene from a Pseudomonas aeruginosa clinical isolate in France.
Carbapenem-resistant Pseudomonas aeruginosa with acquired bla(vim) metallo-beta-lactamase determinants, Italy.
The study identifies the acquisition of the blaVIM metallo-beta-lactamase gene in carbapenem-resistant Pseudomonas aeruginosa isolates from Italy, highlighting its role in resistance to multiple antibiotics.
Characterization of Class 1 integrons from Pseudomonas aeruginosa that contain the bla(VIM-2) carbapenem-hydrolyzing beta-lactamase gene and of two novel aminoglycoside resistance gene cassettes.
The study identifies two novel aminoglycoside resistance gene cassettes, aacA29a and aacA29b, which confer resistance to several aminoglycosides. Additionally, the bla(VIM-2) gene, which encodes a carbapenem-hydrolyzing beta-lactamase, was characterized in Pseudomonas aeruginosa isolates.
Molecular heterogeneity of bla(VIM-2)-containing integrons from Pseudomonas aeruginosa plasmids encoding the VIM-2 metallo-beta-lactamase.
In70 of plasmid pAX22, a bla(VIM-1)-containing integron carrying a new aminoglycoside phosphotransferase gene cassette.
The study identifies a new integron, In70, carrying the bla(VIM-1) gene, which confers resistance to beta-lactams, including carbapenems, and three aminoglycoside resistance genes: aacA4, aphA15, and aadA1.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
The study identifies VIM-3, a novel variant of the VIM-2 metallo-beta-lactamase, in clinical Pseudomonas isolates in Taiwan, highlighting the prevalence of VIM-2-related enzymes among these isolates.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
The study identifies VIM-3, a novel variant of the VIM-2 metallo-beta-lactamase, in clinical Pseudomonas isolates in Taiwan, highlighting the prevalence of VIM-2-related enzymes among these isolates.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
Metallo-beta-lactamases in clinical Pseudomonas isolates in Taiwan and identification of VIM-3, a novel variant of the VIM-2 enzyme.
Multidrug-resistant Pseudomonas aeruginosa producing PER-1 extended-spectrum serine-beta-lactamase and VIM-2 metallo-beta-lactamase.
The study identifies the presence of blaPER-1 and blaVIM-2 genes in a multidrug-resistant Pseudomonas aeruginosa isolate, which confer resistance to multiple beta-lactam antibiotics.
bla(VIM-2) cassette-containing novel integrons in metallo-beta-lactamase-producing Pseudomonas aeruginosa and Pseudomonas putida isolates disseminated in a Korean hospital.
The study identifies bla(VIM-2) as a novel metallo-beta-lactamase gene responsible for carbapenem resistance in Pseudomonas aeruginosa and Pseudomonas putida isolates in a Korean hospital.
Occurrence of a multidrug-resistant Pseudomonas aeruginosa clone in different hospitals in Rio de Janeiro, Brazil.
The study identifies the presence of metallo-beta-lactamase (blaIMP and blaVIM) producing Pseudomonas aeruginosa isolates in Brazil, highlighting the emergence of multidrug-resistant clones in hospitals in Rio de Janeiro.
Evaluation of a new Etest for detecting metallo-beta-lactamases in routine clinical testing.
The study evaluates a new Etest for detecting metallo-beta-lactamases, identifying blaIMP-1 and blaVIM genes as responsible for carbapenem resistance in various bacterial species.
Novel variant (bla(VIM-4)) of the metallo-beta-lactamase gene bla(VIM-1) in a clinical strain of Pseudomonas aeruginosa.
The study identifies a novel variant of the metallo-beta-lactamase gene bla(VIM-1), termed bla(VIM-4), in a carbapenem-resistant Pseudomonas aeruginosa strain. This variant differs by a single nucleotide from bla(VIM-1), leading to a Ser-to-Arg change at amino acid position 175 of the VIM-1 enzyme.
Novel variant (bla(VIM-4)) of the metallo-beta-lactamase gene bla(VIM-1) in a clinical strain of Pseudomonas aeruginosa.
Novel variant (bla(VIM-4)) of the metallo-beta-lactamase gene bla(VIM-1) in a clinical strain of Pseudomonas aeruginosa.
Novel variant (bla(VIM-4)) of the metallo-beta-lactamase gene bla(VIM-1) in a clinical strain of Pseudomonas aeruginosa.
VIM- and IMP-type metallo-beta-lactamase-producing Pseudomonas spp. and Acinetobacter spp. in Korean hospitals.
The study identified bla VIM-2 and bla IMP-1 alleles as the primary metallo-beta-lactamase genes responsible for carbapenem resistance in Pseudomonas and Acinetobacter isolates in Korean hospitals.
Carbapenem-resistant Pseudomonas aeruginosa-carrying VIM-2 metallo-beta-lactamase determinants, Croatia.
The study identifies the first clinical isolates of Pseudomonas aeruginosa in Croatia carrying the blaVIM-2 gene, which confers resistance to carbapenems.
Evaluation of the Hodge test and the imipenem-EDTA double-disk synergy test for differentiating metallo-beta-lactamase-producing isolates of Pseudomonas spp. and Acinetobacter spp.
The study evaluated the Hodge test and imipenem-EDTA double-disk synergy test for detecting metallo-beta-lactamase (MBL)-producing isolates of Pseudomonas and Acinetobacter. It identified blaIMP-1 and blaVIM-2 as the MBL genes responsible for carbapenem resistance.
blaVIM-7, an evolutionarily distinct metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States.
The study identifies blaVIM-7, a novel metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States, which confers resistance to multiple beta-lactam antibiotics.
blaVIM-7, an evolutionarily distinct metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States.
blaVIM-7, an evolutionarily distinct metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States.
blaVIM-7, an evolutionarily distinct metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States.
blaVIM-7, an evolutionarily distinct metallo-beta-lactamase gene in a Pseudomonas aeruginosa isolate from the United States.
Class 1 integron containing metallo-beta-lactamase gene blaVIM-2 in Pseudomonas aeruginosa clinical strains isolated in Japan.
The study identifies the blaVIM-2 gene in Pseudomonas aeruginosa clinical strains in Japan, highlighting its presence in a class 1 integron and suggesting horizontal spread among strains.
IMP-1 and a novel metallo-beta-lactamase, VIM-6, in fluorescent pseudomonads isolated in Singapore.
The study identifies blaIMP-1 and a novel metallo-beta-lactamase, VIM-6, in carbapenem-resistant Pseudomonas spp. isolates from Singapore. Both genes confer resistance to various beta-lactam antibiotics.
IMP-1 and a novel metallo-beta-lactamase, VIM-6, in fluorescent pseudomonads isolated in Singapore.
IMP-1 and a novel metallo-beta-lactamase, VIM-6, in fluorescent pseudomonads isolated in Singapore.
IMP-1 and a novel metallo-beta-lactamase, VIM-6, in fluorescent pseudomonads isolated in Singapore.
IMP-1 and a novel metallo-beta-lactamase, VIM-6, in fluorescent pseudomonads isolated in Singapore.
Detection of VIM-5 metallo-beta-lactamase in a Pseudomonas aeruginosa clinical isolate from Turkey.
Detection of VIM-5 metallo-beta-lactamase in a Pseudomonas aeruginosa clinical isolate from Turkey.
Detection of VIM-5 metallo-beta-lactamase in a Pseudomonas aeruginosa clinical isolate from Turkey.
Outbreak of carbapenem-resistant Pseudomonas aeruginosa producing VIM-8, a novel metallo-beta-lactamase, in a tertiary care center in Cali, Colombia.
The study identifies VIM-8, a novel metallo-beta-lactamase, as the resistance mechanism in a carbapenem-resistant Pseudomonas aeruginosa outbreak in Colombia.
Outbreak of carbapenem-resistant Pseudomonas aeruginosa producing VIM-8, a novel metallo-beta-lactamase, in a tertiary care center in Cali, Colombia.
Outbreak of carbapenem-resistant Pseudomonas aeruginosa producing VIM-8, a novel metallo-beta-lactamase, in a tertiary care center in Cali, Colombia.
Outbreak of carbapenem-resistant Pseudomonas aeruginosa producing VIM-8, a novel metallo-beta-lactamase, in a tertiary care center in Cali, Colombia.
Outbreak of carbapenem-resistant Pseudomonas aeruginosa producing VIM-8, a novel metallo-beta-lactamase, in a tertiary care center in Cali, Colombia.
Metallo-beta-lactamase-Producing Gram-Negative Bacilli: Laboratory-Based Surveillance in Cooperation with 13 Clinical Laboratories in the Kinki Region of Japan.
The study identified metallo-beta-lactamase (MBL) genes, including blaIMP-1, blaIMP-2, and blaVIM-2, in various gram-negative bacilli, highlighting the widespread distribution of MBL-producing organisms in the Kinki region of Japan.
Clonal Relatedness and Conserved Integron Structures in Epidemiologically Unrelated Pseudomonas aeruginosa Strains Producing the VIM-1 Metallo-β-lactamase from Different Italian Hospitals.
The study identifies the VIM-1 metallo-beta-lactamase as a key resistance factor in Pseudomonas aeruginosa isolates from Italian hospitals, highlighting the conserved integron structures and clonal relatedness among the isolates.
Novel variant (bla(VIM-11)) of the metallo-{beta}-lactamase bla(VIM) family in a GES-1 extended-spectrum-{beta}-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
The study reports the identification of a novel variant of the metallo-beta-lactamase bla(VIM) family, designated bla(VIM-11), in a GES-1 extended-spectrum-beta-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
Novel variant (bla(VIM-11)) of the metallo-{beta}-lactamase bla(VIM) family in a GES-1 extended-spectrum-{beta}-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
Novel variant (bla(VIM-11)) of the metallo-{beta}-lactamase bla(VIM) family in a GES-1 extended-spectrum-{beta}-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
Novel variant (bla(VIM-11)) of the metallo-{beta}-lactamase bla(VIM) family in a GES-1 extended-spectrum-{beta}-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
Novel variant (bla(VIM-11)) of the metallo-{beta}-lactamase bla(VIM) family in a GES-1 extended-spectrum-{beta}-lactamase-producing Pseudomonas aeruginosa clinical isolate in Argentina.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Metallo-beta-lactamases: the quiet before the storm?
The paper characterizes various metallo-beta-lactamase genes (blaIMP and blaVIM) and their roles in conferring resistance to carbapenems in multiple bacterial species.
Detection of Pseudomonas aeruginosa producing metallo-beta-lactamases in a large centralized laboratory.
The study identifies bla VIM and bla IMP genes as the primary metallo-beta-lactamase genes responsible for carbapenem resistance in Pseudomonas aeruginosa isolates.
First nosocomial outbreak of Pseudomonas aeruginosa producing an integron-borne metallo-beta-lactamase (VIM-2) in the United States.
The study reports the first nosocomial outbreak of Pseudomonas aeruginosa producing the metallo-beta-lactamase VIM-2 in the United States, highlighting the emergence of carbapenemases on mobile genetic elements.
Genetic and enzymatic properties of metallo-beta-lactamase VIM-5 from a clinical isolate of Enterobacter cloacae.
The study characterizes the metallo-beta-lactamase VIM-5 from a clinical isolate of Enterobacter cloacae, demonstrating its ability to hydrolyze carbapenems and confer resistance.
Genetic and enzymatic properties of metallo-beta-lactamase VIM-5 from a clinical isolate of Enterobacter cloacae.
Sensitive EDTA-Based Microbiological Assays for Detection of Metallo-β-Lactamases in Nonfermentative Gram-Negative Bacteria.
The study describes the development of a sensitive microbiological assay (EIM) for detecting metallo-β-lactamases (MBLs) in nonfermentative gram-negative bacteria. It identifies several MBL genes, including bla VIM-11a, bla IMP-7, bla SPM-1, bla L1-like, bla GOB-like, bla IND-like, and bla BcII, which confer resistance to carbapenems.
VIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae that resembles a VIM-1/VIM-2 hybrid.
The study identifies blaVIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae, which shows characteristics of both VIM-1 and VIM-2.
VIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae that resembles a VIM-1/VIM-2 hybrid.
VIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae that resembles a VIM-1/VIM-2 hybrid.
VIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae that resembles a VIM-1/VIM-2 hybrid.
VIM-12, a novel plasmid-mediated metallo-beta-lactamase from Klebsiella pneumoniae that resembles a VIM-1/VIM-2 hybrid.
First detection of metallo-beta-lactamase VIM-2 in Pseudomonas aeruginosa isolates from Colombia.
The study reports the first detection of the metallo-beta-lactamase VIM-2 in Pseudomonas aeruginosa isolates from Colombia, highlighting its role in carbapenem resistance.
Molecular Epidemiology of Acquired-Metallo-β-Lactamase-Producing Bacteria in Poland
The study identified bla VIM-2 and bla VIM-4 genes as the primary mechanisms of carbapenem resistance in metallo-β-lactamase-producing bacteria in Poland, highlighting their widespread distribution and association with class 1 integrons.
Molecular Epidemiology of Acquired-Metallo-β-Lactamase-Producing Bacteria in Poland
The study identified bla VIM-2 and bla VIM-4 genes as the primary mechanisms of carbapenem resistance in metallo-β-lactamase-producing bacteria in Poland, highlighting their widespread distribution and association with class 1 integrons.
VIM-1 metallo-beta-lactamase in Acinetobacter baumannii.
The study reports the first identification of the VIM-1 metallo-beta-lactamase in Acinetobacter baumannii, highlighting its role in carbapenem resistance.
Molecular Evolution of Metallo-β-Lactamase-Producing Pseudomonas aeruginosa in a Nosocomial Setting of High-Level Endemicity.
The study characterizes the molecular evolution of metallo-beta-lactamase-producing Pseudomonas aeruginosa strains, identifying bla VIM-1 and bla VIM-2 as the primary resistance genes responsible for carbapenem resistance in the hospital setting.
Molecular Evolution of Metallo-β-Lactamase-Producing Pseudomonas aeruginosa in a Nosocomial Setting of High-Level Endemicity.
The study characterizes the molecular evolution of metallo-beta-lactamase-producing Pseudomonas aeruginosa strains, identifying bla VIM-1 and bla VIM-2 as the primary resistance genes responsible for carbapenem resistance in the hospital setting.
Phenotypic detection of carbapenem-susceptible metallo-beta-lactamase-producing gram-negative bacilli in the clinical laboratory.
Phenotypic detection of carbapenem-susceptible metallo-beta-lactamase-producing gram-negative bacilli in the clinical laboratory.
Establishing clonal relationships between VIM-1-like metallo-beta-lactamase-producing Pseudomonas aeruginosa strains from four European countries by multilocus sequence typing.
The study identifies and characterizes VIM-1, VIM-2, and VIM-4 metallo-beta-lactamase genes in Pseudomonas aeruginosa strains from four European countries, highlighting their role in multidrug resistance and clonal relationships.
Establishing clonal relationships between VIM-1-like metallo-beta-lactamase-producing Pseudomonas aeruginosa strains from four European countries by multilocus sequence typing.
The study identifies and characterizes VIM-1, VIM-2, and VIM-4 metallo-beta-lactamase genes in Pseudomonas aeruginosa strains from four European countries, highlighting their role in multidrug resistance and clonal relationships.
Establishing clonal relationships between VIM-1-like metallo-beta-lactamase-producing Pseudomonas aeruginosa strains from four European countries by multilocus sequence typing.
The study identifies and characterizes VIM-1, VIM-2, and VIM-4 metallo-beta-lactamase genes in Pseudomonas aeruginosa strains from four European countries, highlighting their role in multidrug resistance and clonal relationships.
Molecular Epidemiology of Metallo-beta-lactamase-Producing Pseudomonas aeruginosa in the Calgary Health Region: Emergence of VIM-2-Producing Isolates.
The study identifies VIM-2 and IMP-7 metallo-beta-lactamase genes along with aacC1, aacA4, and aacC4 gene cassettes in Pseudomonas aeruginosa isolates, highlighting the molecular epidemiology of carbapenem-resistant strains in the Calgary Health Region.
VIM-2-producing Pseudomonas putida, Buenos Aires.
The study reports the identification of VIM-2-producing Pseudomonas putida isolates in Buenos Aires, Argentina, which exhibit resistance to various beta-lactam antibiotics, including carbapenems.
Molecular epidemiology and mechanisms of carbapenem resistance in Pseudomonas aeruginosa isolates from Spanish hospitals.
Outbreak caused by a multidrug-resistant Klebsiella pneumoniae clone carrying blaVIM-12 in a university hospital.
The study identifies a novel blaVIM-12 metallo-beta-lactamase gene in a multidrug-resistant Klebsiella pneumoniae clone responsible for an outbreak in a university hospital.
Successive emergence of extended-spectrum beta-lactamase-producing and carbapenemase-producing Enterobacter aerogenes isolates in a university hospital.
The study identifies bla TEM-24, bla SHV-12, bla IMP-1, and bla VIM-2 as the primary resistance genes in carbapenem-resistant Enterobacter aerogenes isolates, highlighting the role of beta-lactamases in resistance to various antibiotics.
Identification of the first VIM metallo-beta-lactamase-producing multiresistant Aeromonas hydrophila strain.
The study identifies the first VIM metallo-beta-lactamase-producing Aeromonas hydrophila strain, highlighting the presence of the blaVIM-4 gene on a class 1 integron, which confers resistance to carbapenems.
Identification of the first VIM metallo-beta-lactamase-producing multiresistant Aeromonas hydrophila strain.
Imported PER-1 producing Pseudomonas aeruginosa, PER-1 producing Acinetobacter baumanii and VIM-2-producing Pseudomonas aeruginosa strains in Hungary.
The study reports the first detection of PER-1-producing Pseudomonas aeruginosa and Acinetobacter baumanii strains, as well as VIM-2-producing Pseudomonas aeruginosa in Hungary. These strains exhibited resistance to multiple beta-lactam antibiotics.
VIM-15 and VIM-16, Two New VIM-2-Like Metallo-β-Lactamases in Pseudomonas aeruginosa Isolates from Bulgaria and Germany.
The study identified two new VIM-2-like metallo-beta-lactamases, VIM-15 and VIM-16, in Pseudomonas aeruginosa isolates from Bulgaria and Germany. These enzymes confer resistance to various beta-lactam antibiotics, including carbapenems, cephalosporins, and penicillins.
VIM-15 and VIM-16, Two New VIM-2-Like Metallo-β-Lactamases in Pseudomonas aeruginosa Isolates from Bulgaria and Germany.
The study identified two new VIM-2-like metallo-beta-lactamases, VIM-15 and VIM-16, in Pseudomonas aeruginosa isolates from Bulgaria and Germany. These enzymes confer resistance to various beta-lactam antibiotics, including carbapenems, cephalosporins, and penicillins.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
VIM-15 and VIM-16, two new VIM-2-like metallo-beta-lactamases in Pseudomonas aeruginosa isolates from Bulgaria and Germany.
Characterization of the new metallo-beta-lactamase VIM-13 and its integron-borne gene from a Pseudomonas aeruginosa clinical isolate in Spain.
The study identifies and characterizes the new metallo-beta-lactamase VIM-13, which confers resistance to carbapenems and other beta-lactams in Pseudomonas aeruginosa and Escherichia coli.
Characterization of the new metallo-beta-lactamase VIM-13 and its integron-borne gene from a Pseudomonas aeruginosa clinical isolate in Spain.
Characterization of the new metallo-beta-lactamase VIM-13 and its integron-borne gene from a Pseudomonas aeruginosa clinical isolate in Spain.
Characterization of the new metallo-beta-lactamase VIM-13 and its integron-borne gene from a Pseudomonas aeruginosa clinical isolate in Spain.
Characterization of the new metallo-beta-lactamase VIM-13 and its integron-borne gene from a Pseudomonas aeruginosa clinical isolate in Spain.
First countrywide survey of acquired metallo-beta-lactamases in gram-negative pathogens in Italy.
The study identified the presence of acquired metallo-beta-lactamases (MBLs) in gram-negative pathogens in Italy, including blaIMP-13, blaVIM-1, and blaVIM-2 genes. These genes conferred resistance to carbapenems, cephalosporins, fluoroquinolones, and gentamicin in Pseudomonas aeruginosa, Pseudomonas putida, and Enterobacter cloacae.
First countrywide survey of acquired metallo-beta-lactamases in gram-negative pathogens in Italy.
The study identified the presence of acquired metallo-beta-lactamases (MBLs) in gram-negative pathogens in Italy, including blaIMP-13, blaVIM-1, and blaVIM-2 genes. These genes conferred resistance to carbapenems, cephalosporins, fluoroquinolones, and gentamicin in Pseudomonas aeruginosa, Pseudomonas putida, and Enterobacter cloacae.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Detection of Pseudomonas aeruginosa isolates producing VEB-type extended-spectrum beta-lactamases in the United Kingdom.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
The study identifies multiple VIM metallo-beta-lactamase variants (VIM-2, VIM-5, VIM-6, VIM-11, and VIM-18) in carbapenem-resistant Pseudomonas aeruginosa strains from India, highlighting their widespread distribution and genetic diversity.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
The study identifies multiple VIM metallo-beta-lactamase variants (VIM-2, VIM-5, VIM-6, VIM-11, and VIM-18) in carbapenem-resistant Pseudomonas aeruginosa strains from India, highlighting their widespread distribution and genetic diversity.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
The study identifies multiple VIM metallo-beta-lactamase variants (VIM-2, VIM-5, VIM-6, VIM-11, and VIM-18) in carbapenem-resistant Pseudomonas aeruginosa strains from India, highlighting their widespread distribution and genetic diversity.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
The study identifies multiple VIM metallo-beta-lactamase variants (VIM-2, VIM-5, VIM-6, VIM-11, and VIM-18) in carbapenem-resistant Pseudomonas aeruginosa strains from India, highlighting their widespread distribution and genetic diversity.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
The study identifies multiple VIM metallo-beta-lactamase variants (VIM-2, VIM-5, VIM-6, VIM-11, and VIM-18) in carbapenem-resistant Pseudomonas aeruginosa strains from India, highlighting their widespread distribution and genetic diversity.
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
Carbapenem resistance among Pseudomonas aeruginosa strains from India: evidence for nationwide endemicity of multiple metallo-beta-lactamase clones (VIM-2, -5, -6, and -11 and the newly characterized VIM-18).
Molecular epidemiology of outbreak-related pseudomonas aeruginosa strains carrying the novel variant blaVIM-17 metallo-beta-lactamase gene.
The study identifies blaVIM-17, a novel variant of the VIM-type metallo-beta-lactamase gene, responsible for carbapenem resistance in outbreak-related Pseudomonas aeruginosa strains.
Molecular epidemiology of outbreak-related pseudomonas aeruginosa strains carrying the novel variant blaVIM-17 metallo-beta-lactamase gene.
Molecular epidemiology of outbreak-related pseudomonas aeruginosa strains carrying the novel variant blaVIM-17 metallo-beta-lactamase gene.
Molecular epidemiology of outbreak-related pseudomonas aeruginosa strains carrying the novel variant blaVIM-17 metallo-beta-lactamase gene.
Molecular epidemiology of outbreak-related pseudomonas aeruginosa strains carrying the novel variant blaVIM-17 metallo-beta-lactamase gene.
Evaluation of phenotypic tests for detection of metallo-beta-lactamase-producing Pseudomonas aeruginosa strains in China.
The study identified and characterized bla VIM-2, bla IMP-9, and bla IMP-1 genes in metallo-beta-lactamase-producing Pseudomonas aeruginosa strains in China.
Molecular Diagnostic Technologies in Clinical Microbiology
The paper describes a DNA microarray for genotyping antibiotic resistance in Pseudomonas aeruginosa, identifying several resistance genes and mutations associated with various antibiotics.
Infections with VIM-1 Metallo-β-Lactamase-Producing Enterobacter cloacae and Their Correlation with Clinical Outcome
The study identifies the blaVIM-1 gene as a key factor in carbapenem resistance among Enterobacter cloacae strains, highlighting its role in clinical outcomes and the challenges in detecting its presence through standard susceptibility tests.
Large dissemination of VIM-2-metallo-beta-lactamase-producing pseudomonas aeruginosa strains causing health care-associated community-onset infections.
The study identifies the blaVIM-2 gene as a key factor in carbapenem resistance among Pseudomonas aeruginosa strains causing healthcare-associated community-onset infections.
Molecular epidemiology of metallo-beta-lactamase-producing Pseudomonas aeruginosa isolates from Norway and Sweden shows import of international clones and local clonal expansion.
The study identifies blaVIM-2, blaVIM-4, and blaIMP-14 as metallo-beta-lactamase genes contributing to carbapenem resistance in Pseudomonas aeruginosa isolates from Norway and Sweden.
Molecular epidemiology of metallo-beta-lactamase-producing Pseudomonas aeruginosa isolates from Norway and Sweden shows import of international clones and local clonal expansion.
The study identifies blaVIM-2, blaVIM-4, and blaIMP-14 as metallo-beta-lactamase genes contributing to carbapenem resistance in Pseudomonas aeruginosa isolates from Norway and Sweden.
Novel VIM Metallo-beta-lactamase Variant from Clinical Isolates of Enterobacteriaceae from Algeria.
The study reports the identification of a novel VIM-type metallo-beta-lactamase, VIM-19, in clinical isolates of Enterobacteriaceae from Algeria. VIM-19 differs from VIM-1 by two amino acid substitutions and exhibits broad-spectrum hydrolytic activity against β-lactam antibiotics.
Novel VIM metallo-beta-lactamase variant from clinical isolates of Enterobacteriaceae from Algeria.
Dispersal of carbapenemase blaVIM-1 gene associated with different Tn402 variants, mercury transposons, and conjugative plasmids in Enterobacteriaceae and Pseudomonas aeruginosa.
The study characterizes the dispersal of the blaVIM-1 gene, which confers resistance to carbapenems, in various Enterobacteriaceae and Pseudomonas aeruginosa isolates, highlighting its association with different genetic platforms including Tn402 variants, mercury transposons, and conjugative plasmids.
VIM-19, a metallo-beta-lactamase with increased carbapenemase activity from Escherichia coli and Klebsiella pneumoniae.
The study identifies VIM-19, a novel metallo-beta-lactamase with increased carbapenemase activity, resulting from two amino acid substitutions (Asn215Lys and Ser228Arg) compared to VIM-1.
VIM-19, a metallo-beta-lactamase with increased carbapenemase activity from Escherichia coli and Klebsiella pneumoniae.
VIM-19, a metallo-beta-lactamase with increased carbapenemase activity from Escherichia coli and Klebsiella pneumoniae.
VIM-19, a metallo-beta-lactamase with increased carbapenemase activity from Escherichia coli and Klebsiella pneumoniae.
Updated functional classification of beta-lactamases.
The paper updates the functional classification of beta-lactamases, detailing their substrate preferences, inhibitor profiles, and clinical relevance. It highlights the diversity and evolution of these enzymes, emphasizing their role in antibiotic resistance.
Mutational analysis of VIM-2 reveals an essential determinant for metallo-beta-lactamase stability and folding.
The study identifies Trp-87 as an essential determinant for the stability and folding of VIM-2 metallo-beta-lactamase, which is crucial for its resistance function against various β-lactam antibiotics.
Efficacy of calcium-EDTA as an inhibitor for metallo-beta-lactamase in a mouse model of Pseudomonas aeruginosa pneumonia.
The study demonstrates that calcium-EDTA effectively inhibits metallo-beta-lactamases (MBLs) in Pseudomonas aeruginosa, reducing the minimum inhibitory concentrations (MICs) of imipenem in MBL-producing strains. This suggests that calcium-EDTA could enhance the efficacy of β-lactam antibiotics against MBL-producing pathogens.
Carbapenem Heteroresistance in VIM-1-producing Klebsiella pneumoniae isolates belonging to the same clone: consequences for routine susceptibility testing.
The study identifies the VIM-1 metallo-beta-lactamase as a cause of carbapenem heteroresistance in Klebsiella pneumoniae isolates, highlighting challenges in detecting this resistance mechanism using routine susceptibility testing methods.
Comment on: role of changes in the L3 loop of the active site in the evolution of enzymatic activity of VIM-type metallo-β-lactamases.
Comment on: role of changes in the L3 loop of the active site in the evolution of enzymatic activity of VIM-type metallo-β-lactamases.
Comment on: role of changes in the L3 loop of the active site in the evolution of enzymatic activity of VIM-type metallo-β-lactamases.
Metallo-beta-lactamases among imipenem-resistant Pseudomonas aeruginosa in a Brazilian university hospital.
The study identified blaSPM-1 and blaVIM-2 as the primary metallo-beta-lactamase genes responsible for imipenem resistance in Pseudomonas aeruginosa isolates, with blaSPM-1 being the most prevalent.
Biochemical and structural characterization of the subclass B1 metallo-beta-lactamase VIM-4.
The study characterizes the subclass B1 metallo-beta-lactamase VIM-4, which confers resistance to carbapenems, cephalosporins, and penicillins. VIM-4 was expressed in E. coli and biochemically and structurally analyzed.
Novel VIM metallo-beta-lactamase variant, VIM-24, from a Klebsiella pneumoniae isolate from Colombia.
The study reports the emergence of a novel VIM metallo-beta-lactamase variant, VIM-24, in a Klebsiella pneumoniae isolate from Colombia, which confers resistance to carbapenems.
Novel VIM metallo-beta-lactamase variant, VIM-24, from a Klebsiella pneumoniae isolate from Colombia.
Novel VIM metallo-beta-lactamase variant, VIM-24, from a Klebsiella pneumoniae isolate from Colombia.
Novel VIM metallo-beta-lactamase variant, VIM-24, from a Klebsiella pneumoniae isolate from Colombia.
Novel VIM metallo-beta-lactamase variant, VIM-24, from a Klebsiella pneumoniae isolate from Colombia.
Characterization of metallo-beta-lactamase VIM-27, an A57S mutant of VIM-1 associated with Klebsiella pneumoniae ST147.
The study characterizes VIM-27, a metallo-beta-lactamase variant with reduced activity against certain beta-lactam antibiotics compared to VIM-1.
Characterization of metallo-beta-lactamase VIM-27, an A57S mutant of VIM-1 associated with Klebsiella pneumoniae ST147.
Characterization of metallo-beta-lactamase VIM-27, an A57S mutant of VIM-1 associated with Klebsiella pneumoniae ST147.
Characterization of metallo-beta-lactamase VIM-27, an A57S mutant of VIM-1 associated with Klebsiella pneumoniae ST147.
Characterization of metallo-beta-lactamase VIM-27, an A57S mutant of VIM-1 associated with Klebsiella pneumoniae ST147.
A novel VIM-type metallo-beta-lactamase (VIM-14) in a Pseudomonas aeruginosa clinical isolate from a neonatal intensive care unit.
A novel VIM-type metallo-beta-lactamase, VIM-14, was identified in a Pseudomonas aeruginosa isolate from a neonatal intensive care unit. VIM-14 differs from VIM-4 by a G31S mutation and is part of a class 1 integron carrying additional resistance genes.
A novel VIM-type metallo-beta-lactamase (VIM-14) in a Pseudomonas aeruginosa clinical isolate from a neonatal intensive care unit.
A novel VIM-type metallo-beta-lactamase (VIM-14) in a Pseudomonas aeruginosa clinical isolate from a neonatal intensive care unit.
A novel VIM-type metallo-beta-lactamase (VIM-14) in a Pseudomonas aeruginosa clinical isolate from a neonatal intensive care unit.
A novel VIM-type metallo-beta-lactamase (VIM-14) in a Pseudomonas aeruginosa clinical isolate from a neonatal intensive care unit.
Molecular characterization of VIM-producing Klebsiella pneumoniae from Scandinavia reveals genetic relatedness with international clonal complexes encoding transferable multidrug resistance.
Molecular characterization of VIM-producing Klebsiella pneumoniae from Scandinavia reveals genetic relatedness with international clonal complexes encoding transferable multidrug resistance.
Molecular characterization of VIM-producing Klebsiella pneumoniae from Scandinavia reveals genetic relatedness with international clonal complexes encoding transferable multidrug resistance.
Molecular characterization of VIM-producing Klebsiella pneumoniae from Scandinavia reveals genetic relatedness with international clonal complexes encoding transferable multidrug resistance.
Early detection of colonization by VIM-1-producing Klebsiella pneumoniae and NDM-1-producing Escherichia coli in two children returning to France.
The study reports the early detection of VIM-1-producing Klebsiella pneumoniae and NDM-1-producing Escherichia coli in two children returning to France, highlighting the importance of identifying metallo-beta-lactamase-producing organisms for effective infection control.
OXA beta-lactamase-mediated carbapenem resistance in Acinetobacter baumannii.
The study identified blaOXA-23-like and blaOXA-51-like genes as the most common OXA carbapenamases, and blaVIM as the most common metallo-beta-lactamase contributing to carbapenem resistance in Acinetobacter baumannii.
Nosocomial outbreak of VIM-1-producing Klebsiella pneumoniae isolates of multilocus sequence type 15: molecular basis, clinical risk factors, and outcome.
The study identifies blaVIM-1 as a gene responsible for carbapenem resistance in Klebsiella pneumoniae isolates during a nosocomial outbreak. The gene was found in a class 1 integron and was associated with multidrug-resistant strains.
Antimicrobial resistance determinants in imipenem-nonsusceptible Acinetobacter calcoaceticus-baumannii complex isolated in Daejeon, Korea.
The study identified various antimicrobial resistance genes including blaOXA-51-like, blaOXA-23, blaIMP-1, blaVIM-2, aac(6')-Ib, aph(3')-Ia, aph(3')-VI, and armA in imipenem-nonsusceptible Acinetobacter calcoaceticus-baumannii complex isolates. Additionally, mutations in gyrA and parC were found to confer fluoroquinolone resistance.
Multidrug-resistant Acinetobacter spp.: increasingly problematic nosocomial pathogens.
The study characterizes multiple AMR genes and mutations in Acinetobacter spp., including OXA-type carbapenemases, aminoglycoside-modifying enzymes, and fluoroquinolone resistance genes, highlighting the increasing challenge of multidrug-resistant Acinetobacter infections.
Nosocomial outbreak of imipenem-resistant Pseudomonas aeruginosa producing VIM-2 metallo-beta-lactamase in a kidney transplantation unit.
The study identifies the VIM-2 metallo-beta-lactamase as the primary mechanism of imipenem resistance in a nosocomial outbreak of Pseudomonas aeruginosa in a kidney transplantation unit.
Interplay between mutational and horizontally acquired resistance mechanisms and its association with carbapenem resistance amongst extensively drug-resistant Pseudomonas aeruginosa (XDR-PA).
The study identified blaVIM-3 and blaVIM-2 as the primary acquired resistance mechanisms contributing to carbapenem resistance in XDR-PA isolates, along with mutational mechanisms involving decreased oprD expression and overexpression of mexA.
Interplay between mutational and horizontally acquired resistance mechanisms and its association with carbapenem resistance amongst extensively drug-resistant Pseudomonas aeruginosa (XDR-PA).
The study identified blaVIM-3 and blaVIM-2 as the primary acquired resistance mechanisms contributing to carbapenem resistance in XDR-PA isolates, along with mutational mechanisms involving decreased oprD expression and overexpression of mexA.
Effective antibiotics in combination against extreme drug-resistant Pseudomonas aeruginosa with decreased susceptibility to polymyxin B.
The study identifies metallo-beta-lactamase genes (blaIMP and blaVIM) and other resistance genes (VEB-1 and OXA-10) in XDR-PA isolates, highlighting the need for combination therapies against these resistant strains.
Phenotypic Screening of Carbapenemases and Associated β-Lactamases in Carbapenem-Resistant Enterobacteriaceae.
The study identifies and characterizes various carbapenemases, including blaIMP, blaVIM, blaNDM-1, blaKPC, and blaOXA-48, in carbapenem-resistant Enterobacteriaceae through phenotypic testing with inhibitor-impregnated agar.
Mechanisms of resistance and clinical relevance of resistance to β-lactams, glycopeptides, and fluoroquinolones.
The paper discusses the mechanisms of resistance to β-lactams, glycopeptides, and fluoroquinolones, highlighting the role of beta-lactamases such as TEM, SHV, CTX-M, KPC, VIM, and NDM, glycopeptide resistance operons like vanA and vanB, and other resistance genes such as ermB, mecA, qnrA, and aac(6')-Ib.
Carbapenem resistance among Escherichia coli and Klebsiella pneumoniae in a tertiary care hospital in south India.
The study identified blaNDM and blaVIM genes as the primary mechanisms of carbapenem resistance in E. coli and K. pneumoniae isolates.
Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae.
Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae.
Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae.
Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae.
Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae.
Fecal carriage of carbapenemase-producing Enterobacteriaceae: a hidden reservoir in hospitalized and nonhospitalized patients.
The study identifies blaVIM-1 as a carbapenemase gene responsible for resistance in various Enterobacteriaceae species, including K. pneumoniae, E. cloacae, E. coli, and C. freundii, highlighting its role in carbapenem resistance.
The Acinetobacter baumannii Oxymoron: Commensal Hospital Dweller Turned Pan-Drug-Resistant Menace.
The paper discusses various virulence factors and mechanisms contributing to the pathogenicity and antibiotic resistance of Acinetobacter baumannii, including biofilm formation, surface polysaccharides, and outer membrane proteins.
Imported Klebsiella pneumoniae carbapenemase-producing K. pneumoniae clones in a Greek hospital: impact of infection control measures for restraining their dissemination.
The study identifies KPC-2 and VIM-1 carbapenemase-producing K. pneumoniae clones in a Greek hospital and highlights the effectiveness of infection control measures in reducing their dissemination.
Comparison of disc and MIC reduction methods with polymerase chain reaction for the detection of metallo-beta-lactamase in Pseudomonas aeruginosa.
The study identified blaVIM as the prevalent metallo-beta-lactamase gene in Pseudomonas aeruginosa isolates, which confers resistance to carbapenems.
First report of an extensively drug-resistant VIM-2 metallo-beta-lactamase-producing Brevundimonas diminuta clinical isolate.
The study reports the first clinical isolate of Brevundimonas diminuta producing the VIM-2 metallo-beta-lactamase, which confers resistance to carbapenems.
Current epidemiology and growing resistance of gram-negative pathogens.
The paper highlights the emergence and spread of multidrug-resistant Gram-negative pathogens, focusing on extended-spectrum beta-lactamases (ESBLs) such as CTX-M-15 and CTX-M-14, carbapenemases like KPC-2, VIM-2, and IMP-6, and aminoglycoside-modifying enzymes such as aac(6')-Ib-cr and armA. It emphasizes the global dissemination of these resistance mechanisms and their impact on treatment options.
Phenotypic detection of metallo-β-lactamase in imipenem-resistant Pseudomonas aeruginosa.
The study identifies and characterizes several metallo-beta-lactamase genes (blaIMP-4, blaIMP-7, blaVIM-2, and blaVIM-11) responsible for carbapenem resistance in imipenem-resistant Pseudomonas aeruginosa isolates.
Phenotypic detection of metallo-β-lactamase in imipenem-resistant Pseudomonas aeruginosa.
The study identifies and characterizes several metallo-beta-lactamase genes (blaIMP-4, blaIMP-7, blaVIM-2, and blaVIM-11) responsible for carbapenem resistance in imipenem-resistant Pseudomonas aeruginosa isolates.
Characteristics of plasmids in multi-drug-resistant Enterobacteriaceae isolated during prospective surveillance of a newly opened hospital in Iraq.
The study identified various plasmid-borne antimicrobial resistance genes in multi-drug-resistant Enterobacteriaceae isolates from a newly opened hospital in Iraq, including aminoglycoside, beta-lactam, sulfamethoxazole/trime-thoprim, tetracycline, and chloramphenicol resistance genes.
Evaluation of double-disk potentiation and disk potentiation tests using dipicolinic acid for detection of metallo-beta-lactamase-producing pseudomonas spp. and Acinetobacter spp.
The study evaluates the effectiveness of dipicolinic acid (DPA) in detecting metallo-beta-lactamase (MBL)-producing Pseudomonas spp. and Acinetobacter spp., identifying blaIMP-6 and blaVIM-2 as significant resistance genes.
Transmission dynamics of carbapenemase-producing Klebsiella pneumoniae and anticipated impact of infection control strategies in a surgical unit.
The study identifies blaKPC and blaVIM genes as responsible for carbapenem resistance in Klebsiella pneumoniae, highlighting their role in the transmission dynamics within a surgical unit.
Surveillance and molecular epidemiology of Klebsiella pneumoniae isolates that produce carbapenemases: first report of OXA-48-like enzymes in North America.
Surveillance and molecular epidemiology of Klebsiella pneumoniae isolates that produce carbapenemases: first report of OXA-48-like enzymes in North America.
Surveillance and molecular epidemiology of Klebsiella pneumoniae isolates that produce carbapenemases: first report of OXA-48-like enzymes in North America.
Surveillance and molecular epidemiology of Klebsiella pneumoniae isolates that produce carbapenemases: first report of OXA-48-like enzymes in North America.
Detection of metallo-beta-lactamases producing Acinetobacter baumannii using microbiological assay, disc synergy test and PCR.
The study identified the bla-VIM gene as the only metallo-beta-lactamase gene detected in carbapenem-resistant Acinetobacter baumannii isolates, highlighting its significance in resistance mechanisms.
First detection of VIM-4 metallo-β-lactamase-producing Citrobacter freundii in China.
The study reports the first identification of the blaVIM-4 gene in a clinical Citrobacter freundii strain from China, demonstrating carbapenem resistance.
Emergence of imipenem-resistant gram-negative bacilli in intestinal flora of intensive care patients.
The study identified blaVIM-2 and blaGES-9 genes in Pseudomonas aeruginosa isolates, which confer resistance to imipenem.
Identification of blaOXA-51-like, blaOXA-58, blaDIM-1, and blaVIM carbapenemase genes in hospital Enterobacteriaceae isolates from Sierra Leone.
The study identifies blaOXA-51-like, blaOXA-58-like, blaDIM-1, and blaVIM carbapenemase genes in hospital Enterobacteriaceae isolates from Sierra Leone, highlighting the presence of these resistance genes in non-Acinetobacter species and emphasizing the need for molecular surveillance of carbapenemase gene circulation.
Identification of blaOXA-₅₁-like, blaOXA-₅₈, blaDIM-₁, and blaVIM carbapenemase genes in hospital Enterobacteriaceae isolates from Sierra Leone.
Identification of blaOXA-₅₁-like, blaOXA-₅₈, blaDIM-₁, and blaVIM carbapenemase genes in hospital Enterobacteriaceae isolates from Sierra Leone.
Identification of blaOXA-₅₁-like, blaOXA-₅₈, blaDIM-₁, and blaVIM carbapenemase genes in hospital Enterobacteriaceae isolates from Sierra Leone.
Identification and characterization of metallo-β-lactamases producing Pseudomonas aeruginosa clinical isolates in University Hospital from Zanjan Province, Iran.
The study identified blaIMP and blaVIM genes in Pseudomonas aeruginosa isolates from Zanjan Province, Iran, highlighting their role in imipenem resistance.
Verona integron-encoded metallo-β-lactamase 1 in Enterobacteria, Ontario, Canada.
The study reports the detection of VIM-1, a metallo-β-lactamase, in four Enterobacteriaceae isolates from Ontario, Canada, highlighting the emergence of multidrug-resistant clones carrying this resistance gene.
beta-lactamase production in key gram-negative pathogen isolates from the Arabian Peninsula.
The study identifies various beta-lactamase genes, including CTX-M-15, CTX-M-14, CTX-M-9, SHV-12, SHV-5, TEM-1, VEB-1, GES-1, GES-5, GES-11, PER-1, OXA-48, NDM-1, VIM-2, OXA-23, OXA-40, OXA-58, and OXA-181, which confer resistance to β-lactam antibiotics in Gram-negative pathogens from the Arabian Peninsula.
Impact of manure fertilization on the abundance of antibiotic-resistant bacteria and frequency of detection of antibiotic resistance genes in soil and on vegetables at harvest.
The study identified several antibiotic resistance genes in soil and on vegetables, including genes conferring resistance to tetracycline, aminoglycosides, erythromycin, sulfamethoxazole, and beta-lactams. The presence of these genes was influenced by manure fertilization, with certain genes more frequently detected in manured soils.
DNA microarray for genotyping antibiotic resistance determinants in Acinetobacter baumannii clinical isolates.
The study developed a DNA microarray for genotyping antibiotic resistance determinants in Acinetobacter baumannii clinical isolates, identifying numerous resistance genes and mutations associated with carbapenem, aminoglycoside, fluoroquinolone, and other antibiotic resistances.
Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone.
The study reports the identification of VIM-34, a novel VIM-1 variant in the intercontinental ST15 Klebsiella pneumoniae clone, which confers resistance to carbapenems.
Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone.
Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone.
Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone.
Detection of VIM-34, a novel VIM-1 variant identified in the intercontinental ST15 Klebsiella pneumoniae clone.
An in silico approach for understanding the molecular evolution of clinically important metallo-beta-lactamases.
An in silico approach for understanding the molecular evolution of clinically important metallo-beta-lactamases.
An in silico approach for understanding the molecular evolution of clinically important metallo-beta-lactamases.
Detection of Colonization by Carbapenemase-Producing Gram-Negative Bacilli in Patients by Use of the Xpert MDRO Assay
The study evaluated the Xpert MDRO assay for detecting blaKPC, blaNDM, and blaVIM carbapenem resistance genes in clinical samples, demonstrating high sensitivity and specificity for identifying carbapenemase-producing organisms.
Detection of CMY-99, a novel acquired AmpC-Type beta-lactamase, and VIM-1 in Proteus mirabilis isolates in Bulgaria.
The study reports the identification of CMY-99, a novel AmpC-type beta-lactamase, and VIM-1, a metallo-beta-lactamase, in Proteus mirabilis isolates from Bulgaria, highlighting the emergence of multidrug-resistant strains.
Effect of metallo-β-lactamase production and multidrug resistance on clinical outcomes in patients with Pseudomonas aeruginosa bloodstream infection: a retrospective cohort study.
The study identified VIM-2 and IMP-8 metallo-beta-lactamase genes in Pseudomonas aeruginosa isolates, which conferred resistance to carbapenems.
Multi-centre evaluation of real-time multiplex PCR for detection of carbapenemase genes OXA-48, VIM, IMP, NDM and KPC.
The study presents a real-time multiplex PCR assay for detecting the most prevalent carbapenemase genes, including blaOXA-48, blaVIM, blaIMP, blaNDM, and blaKPC, demonstrating high sensitivity and specificity.
Characterization of novel VIM carbapenemase, VIM-38, and first detection of GES-5 carbapenem-hydrolyzing β-lactamases in Pseudomonas aeruginosa in Turkey.
Characterization of novel VIM carbapenemase, VIM-38, and first detection of GES-5 carbapenem-hydrolyzing β-lactamases in Pseudomonas aeruginosa in Turkey.
Characterization of novel VIM carbapenemase, VIM-38, and first detection of GES-5 carbapenem-hydrolyzing β-lactamases in Pseudomonas aeruginosa in Turkey.
Characterization of novel VIM carbapenemase, VIM-38, and first detection of GES-5 carbapenem-hydrolyzing β-lactamases in Pseudomonas aeruginosa in Turkey.
Evaluation of phenotypic detection methods for metallo-β-lactamases (MBLs) in clinical isolates of Pseudomonas aeruginosa.
The study evaluated phenotypic detection methods for metallo-beta-lactamases (MBLs) in Pseudomonas aeruginosa clinical isolates, identifying blaIMP and blaVIM genes as the primary MBL producers.
Modified CLSI extended-spectrum beta-lactamase (ESBL) confirmatory test for phenotypic detection of ESBLs among Enterobacteriaceae producing various beta-lactamases.
The study evaluated a modified CLSI ESBL confirmatory test for the phenotypic detection of extended-spectrum beta-lactamases (ESBLs) among Enterobacteriaceae producing various beta-lactamases, including KPC, VIM, NDM, and OXA-48. The modified test significantly improved the sensitivity and specificity of ESBL detection compared to the standard CLSI test.
Phenotypic and Genetic Characterization of Carbapenemase and ESBLs Producing Gram-negative Bacteria (GNB) Isolated from Patients with Cystic Fibrosis (CF) in Tehran Hospitals.
The study identified the presence of ESBLs and carbapenemase genes, including blaCTX-M, blaIMP-1, blaVIM-1, and blaVIM-2, in Gram-negative bacteria isolated from cystic fibrosis patients in Tehran hospitals.
Phenotypic and Genetic Characterization of Carbapenemase and ESBLs Producing Gram-negative Bacteria (GNB) Isolated from Patients with Cystic Fibrosis (CF) in Tehran Hospitals.
The study identified the presence of ESBLs and carbapenemase genes, including blaCTX-M, blaIMP-1, blaVIM-1, and blaVIM-2, in Gram-negative bacteria isolated from cystic fibrosis patients in Tehran hospitals.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Epidemiology and carbapenem resistance mechanisms of carbapenem-non-susceptible Pseudomonas aeruginosa collected during 2009-11 in 14 European and Mediterranean countries.
Evaluation of an automated rapid diagnostic assay for detection of Gram-negative bacteria and their drug-resistance genes in positive blood cultures.
The study evaluated the Verigene BC-GN assay for rapid detection of Gram-negative bacteria and their drug-resistance genes in positive blood cultures. It successfully detected 9 bacterial species and 9 drug resistance genes, including bla CTX-M, bla IMP, bla KPC, bla NDM, bla OXA-23, bla OXA-24/40, bla OXA-48, bla OXA-58, and bla VIM.
Antimicrobial resistance pattern and their beta-lactamase encoding genes among Pseudomonas aeruginosa strains isolated from cancer patients.
The study identified blaVIM-2, blaOXA-10, blaVEB-1, blaNDM, and blaIMP-1 as the most prevalent beta-lactamase genes in P. aeruginosa isolates from Egypt, contributing to resistance against imipenem and ceftazidime.
CarbAcineto NP test for rapid detection of carbapenemase-producing Acinetobacter spp.
The study introduces the CarbAcineto NP test, a modified version of the Carba NP test, for the rapid and accurate detection of carbapenemase-producing Acinetobacter spp. The test successfully identifies various carbapenemases including OXA-23, OXA-24/OXA-40, OXA-58, OXA-143, GES-11, GES-14, NDM-1, NDM-2, IMP-1, IMP-4, VIM-4, and SIM-1.
Use of imipenem to detect KPC, NDM, OXA, IMP, and VIM carbapenemase activity from gram-negative rods in 75 minutes using liquid chromatography-tandem mass spectrometry.
The study developed an LC-MS/MS assay to detect carbapenemase activity from gram-negative rods, demonstrating that imipenem showed high sensitivity and specificity for detecting KPC, NDM, OXA, IMP, and VIM carbapenemases.
His224 Alters the R2 Drug Binding Site and Phe218 Influences the Catalytic Efficiency of the Metallo-β-Lactamase VIM-7.
The study characterizes the metallo-β-lactamase VIM-7 and identifies mutations (His224Y and Phe218Y) that enhance its catalytic efficiency and thermostability against carbapenems and beta-lactams.
Bactericidal activity, absence of serum effect, and time-kill kinetics of ceftazidime-avibactam against beta-lactamase-producing Enterobacteriaceae and Pseudomonas aeruginosa.
The study characterizes the resistance mechanisms conferred by bla VIM and bla OXA-23 genes in Pseudomonas aeruginosa, showing that ceftazidime-avibactam effectively reduces the MICs of ceftazidime against these isolates.
Molecular Characterization of Carbapenem Resistant Isolates of Acinetobacter baumannii in An Intensive Care Unit of A Tertiary Care Centre at Central India.
The study identified blaOXA-23, blaOXA-51, blaOXA-58, and blaVIM genes as major contributors to carbapenem resistance in Acinetobacter baumannii isolates from an ICU in India.
First detection of a metallo-beta-lactamase producing Serratia marcescens in a European university hospital.
The study reports the first detection of a metallo-beta-lactamase producing Serratia marcescens in a European university hospital, highlighting the emergence of carbapenem-resistant strains.
Rapid identification of carbapenemase genes in gram-negative bacteria with an oligonucleotide microarray-based assay.
The study presents a microarray-based assay for the rapid identification of carbapenemase genes in Gram-negative bacteria, including bla KPC, bla VIM, bla NDM, bla GIM, bla OXA-23, bla OXA-48-group, bla OXA-51, bla OXA-58, and various beta-lactamase genes such as bla OXA-1, bla OXA-2, bla OXA-7, bla OXA-9, bla OXA-10, bla CTX-M1, and bla CTX-M15.
Rapid identification of carbapenemase genes in gram-negative bacteria with an oligonucleotide microarray-based assay.
The study presents a microarray-based assay for the rapid identification of carbapenemase genes in Gram-negative bacteria, including bla KPC, bla VIM, bla NDM, bla GIM, bla OXA-23, bla OXA-48-group, bla OXA-51, bla OXA-58, and various beta-lactamase genes such as bla OXA-1, bla OXA-2, bla OXA-7, bla OXA-9, bla OXA-10, bla CTX-M1, and bla CTX-M15.
Rapid identification of carbapenemase genes in gram-negative bacteria with an oligonucleotide microarray-based assay.
The study presents a microarray-based assay for the rapid identification of carbapenemase genes in Gram-negative bacteria, including bla KPC, bla VIM, bla NDM, bla GIM, bla OXA-23, bla OXA-48-group, bla OXA-51, bla OXA-58, and various beta-lactamase genes such as bla OXA-1, bla OXA-2, bla OXA-7, bla OXA-9, bla OXA-10, bla CTX-M1, and bla CTX-M15.
Rapid identification of carbapenemase genes in gram-negative bacteria with an oligonucleotide microarray-based assay.
The study presents a microarray-based assay for the rapid identification of carbapenemase genes in Gram-negative bacteria, including bla KPC, bla VIM, bla NDM, bla GIM, bla OXA-23, bla OXA-48-group, bla OXA-51, bla OXA-58, and various beta-lactamase genes such as bla OXA-1, bla OXA-2, bla OXA-7, bla OXA-9, bla OXA-10, bla CTX-M1, and bla CTX-M15.
Extensively drug-resistant pseudomonas aeruginosa isolates containing blaVIM-2 and elements of Salmonella genomic island 2: a new genetic resistance determinant in Northeast Ohio.
The study identifies blaVIM-2 as a novel genetic resistance determinant in extensively drug-resistant Pseudomonas aeruginosa isolates from Northeast Ohio, highlighting a new recombination event involving Salmonella genomic island 2.
Carbapenem Resistance among Enterobacter Species in a Tertiary Care Hospital in Central India.
The study identified bla VIM-2, bla VIM-6, and bla NDM-1 as important carbapenem resistance genes in Enterobacter species, highlighting the role of plasmid-mediated transfer in the spread of resistance.
Carbapenem Resistance among Enterobacter Species in a Tertiary Care Hospital in Central India.
The study identified bla VIM-2, bla VIM-6, and bla NDM-1 as important carbapenem resistance genes in Enterobacter species, highlighting the role of plasmid-mediated transfer in the spread of resistance.
Whole genome and transcriptome analyses of environmental antibiotic sensitive and multi-resistant Pseudomonas aeruginosa isolates exposed to waste water and tap water.
The study identifies multiple AMR genes and mutations in the multi-resistant P. aeruginosa isolate PA49, including aac(6')-Ib, aadB, blaVIM-2, ampC, and mutations in gyrA, parC, and oprD, which confer resistance to various antibiotics.
Population structure of clinical Pseudomonas aeruginosa from West and Central African countries.
The study identified VIM-2, GES-1, and GES-9 beta-lactamase genes in Pseudomonas aeruginosa isolates from West and Central Africa, highlighting the presence of both international clonal complexes and local distinct STs carrying these resistance genes.
Identification of a novel metallo-β-lactamase VIM-28 located within unusual arrangement of class 1 integron structure in Pseudomonas aeruginosa isolates from Egypt.
Identification of a novel metallo-β-lactamase VIM-28 located within unusual arrangement of class 1 integron structure in Pseudomonas aeruginosa isolates from Egypt.
Identification of a novel metallo-β-lactamase VIM-28 located within unusual arrangement of class 1 integron structure in Pseudomonas aeruginosa isolates from Egypt.
Evaluation of clonality and carbapenem resistance mechanisms among Acinetobacter baumannii-Acinetobacter calcoaceticus complex and Enterobacteriaceae isolates collected in European and Mediterranean countries and detection of two novel beta-lactamases, GES-22 and VIM-35.
The study identified two novel beta-lactamases, GES-22 and VIM-35, which confer resistance to various β-lactam antibiotics. GES-22 showed an extended-spectrum beta-lactamase profile, while VIM-35 exhibited a similar susceptibility profile to VIM-1.
Evaluation of clonality and carbapenem resistance mechanisms among Acinetobacter baumannii-Acinetobacter calcoaceticus complex and Enterobacteriaceae isolates collected in European and Mediterranean countries and detection of two novel β-lactamases, GES-22 and VIM-35.
Evaluation of clonality and carbapenem resistance mechanisms among Acinetobacter baumannii-Acinetobacter calcoaceticus complex and Enterobacteriaceae isolates collected in European and Mediterranean countries and detection of two novel β-lactamases, GES-22 and VIM-35.
Evaluation of clonality and carbapenem resistance mechanisms among Acinetobacter baumannii-Acinetobacter calcoaceticus complex and Enterobacteriaceae isolates collected in European and Mediterranean countries and detection of two novel β-lactamases, GES-22 and VIM-35.
Evaluation of clonality and carbapenem resistance mechanisms among Acinetobacter baumannii-Acinetobacter calcoaceticus complex and Enterobacteriaceae isolates collected in European and Mediterranean countries and detection of two novel β-lactamases, GES-22 and VIM-35.
Co-existence of beta-lactamases in clinical isolates of Escherichia coli from Kathmandu, Nepal.
The study reports the high prevalence of bla CTX-M-type ESBL and co-existence of ESBLs and carbapenemases in E. coli isolates from Kathmandu, Nepal. It identifies multiple beta-lactamase genes including bla CTX-M, bla SHV, bla TEM, bla VIM, bla IMP, and bla NDM-1.
Characterization by phenotypic and genotypic methods of metallo-β‑lactamase‑producing Pseudomonas aeruginosa isolated from patients with cystic fibrosis.
The study identified blaVIM and blaIMP genes in Pseudomonas aeruginosa isolates from cystic fibrosis patients, which confer resistance to carbapenems and cephalosporins.
Rapid Diagnostic Approaches for Antimicrobial Resistance
The paper discusses various rapid antimicrobial resistance testing methods, including molecular techniques like qPCR, DNA microarrays, Luminex xMAP, and next-generation sequencing (NGS), highlighting their roles in detecting resistance genes such as blaCTX-M, blaTEM, blaSHV, blaKPC, blaNDM, blaOXA-48, blaVIM, blaIMP, mecA, mecC, vanA, vanB, aacA-aphD, tetK, tetM, ermA, ermC, vatA, vatB, and vatC in different bacterial species.
Evaluation of carbapenemase screening and confirmation tests with Enterobacteriaceae and development of a practical diagnostic algorithm.
The study identified several carbapenemase genes, including blaKPC, blaVIM, blaNDM, and blaOXA-48, which confer resistance to carbapenems in Enterobacteriaceae. These genes were experimentally validated through genetic detection and phenotypic testing.
The resistome of Pseudomonas aeruginosa in relationship to phenotypic susceptibility.
The study identified several AMR genes and mutations in Pseudomonas aeruginosa, including beta-lactamases (blaVIM-2, blaOXA-2, blaPSE-1), aminoglycoside-modifying enzymes (aac(6')-Ib, aacA7), and efflux pumps (mexAB-oprM, mexXY-oprM). Mutations in gyrA (T83I) and parC (S87L) were associated with fluoroquinolone resistance.
Characterization of Plasmid-Mediated AmpC and Carbapenemases among Iranian Nosocomial Isolates of Klebsiella pneumoniae Using Phenotyping and Genotyping Methods.
The study identified plasmid-mediated AmpC beta-lactamases (blaMOX, blaCIT) and carbapenemases (blaVIM, blaGES) in clinical isolates of Klebsiella pneumoniae in Iran, highlighting the high prevalence of these resistance mechanisms.
Survey of metallo-β-lactamase-producing Enterobacteriaceae colonizing patients in European ICUs and rehabilitation units, 2008-11.
Survey of metallo-β-lactamase-producing Enterobacteriaceae colonizing patients in European ICUs and rehabilitation units, 2008-11.
Survey of metallo-β-lactamase-producing Enterobacteriaceae colonizing patients in European ICUs and rehabilitation units, 2008-11.
Survey of metallo-β-lactamase-producing Enterobacteriaceae colonizing patients in European ICUs and rehabilitation units, 2008-11.
A locked nucleic acid (LNA)-based real-time PCR assay for the rapid detection of multiple bacterial antibiotic resistance genes directly from positive blood culture.
The study developed an LNA-qPCR assay for the rapid detection of 13 antibiotic resistance genes, including bla CTX-M-1, bla CTX-M-9, bla CMY-2, bla DHA-1, bla OXA-23, bla VIM-2, mecA, vanA, and vanB. The assay showed high specificity and sensitivity, with 91.5% concordance with phenotypic susceptibility testing.
Carbapenem-nonsusceptible Enterobacteriaceae in Taiwan.
The study identified several carbapenemase genes, including blaKPC-2, blaIMP-8, blaNDM-1, and blaVIM-1, along with extended-spectrum beta-lactamase genes such as CTX-M, SHV, and ampC beta-lactamase genes like DHA and CMY, which contribute to carbapenem resistance in Enterobacteriaceae isolates in Taiwan.
The carbapenem inactivation method (CIM), a simple and low-cost alternative for the Carba NP test to assess phenotypic carbapenemase activity in gram-negative rods.
The study introduces the Carbapenem Inactivation Method (CIM) as a low-cost and effective phenotypic test for detecting carbapenemase activity in Gram-negative bacteria. It identifies several carbapenemase genes including bla OXA-23, bla OXA-48, bla VIM-1, and bla OXA-72.
Molecular detection of metallo-beta-lactamase gene blaVIM-1 in imipenem-resistant Pseudomonas aeruginosa strains isolated from hospitalized patients in the hospitals of Isfahan.
The study aimed to detect the metallo-beta-lactamase gene blaVIM-1 in imipenem-resistant P. aeruginosa strains but found that none of the isolates carried this gene.
Characteristics of Metallo-β-Lactamase-Producing Pseudomonas aeruginosa in Korea.
The study identified blaIMP-6 and blaVIM-2 genes in 5.2% and 1.2% of carbapenem-non-susceptible P. aeruginosa isolates, respectively, indicating their role in carbapenem resistance in Korea.
Ceftazidime-avibactam activity tested against Enterobacteriaceae isolates from U.S. hospitals (2011 to 2013) and characterization of β-lactamase-producing strains.
The study evaluated the activity of ceftazidime-avibactam against Enterobacteriaceae isolates and identified blaKPC-2 and blaVIM-4 as resistance genes in K. pneumoniae strains.
Dissemination of VIM-2 producing Pseudomonas aeruginosa ST233 at tertiary care hospitals in Egypt.
The study identified the blaVIM-2 gene as the most prevalent metallo-beta-lactamase gene among carbapenem-resistant Pseudomonas aeruginosa isolates in Egypt, with 85% of MBL-positive isolates carrying this gene.
Molecular analysis of the integrons of metallo-β-lactamase-producing Pseudomonas aeruginosa isolates collected by nationwide surveillance programs across Japan.
The study identifies various metallo-beta-lactamase (MBL) genes, including blaIMP-1, blaIMP-7, blaIMP-10, blaIMP-6, blaIMP-11, blaVIM-1, and a novel fosI gene cassette, in MBL-producing Pseudomonas aeruginosa isolates across Japan.
Identification of Gram-Negative Bacteria and Genetic Resistance Determinants from Positive Blood Culture Broths by Use of the Verigene Gram-Negative Blood Culture Multiplex Microarray-Based Molecular Assay.
The Verigene Gram-Negative Blood Culture (BC-GN) assay effectively identifies Gram-negative bacteria and detects genetic resistance determinants such as bla CTX-M, bla KPC, bla NDM, bla OXA, bla VIM, and bla IMP in positive blood culture broths.
Metallo-beta-Lactamase VIM-1, SPM-1, and IMP-1 Genes Among Clinical Pseudomonas aeruginosa Species Isolated in Zahedan, Iran.
The study identified the presence of the blaVIM-1 gene among imipenem-resistant Pseudomonas aeruginosa isolates in Zahedan, Iran, highlighting its significance in carbapenem resistance.
Characterization of Carbapenem-Resistant Enterobacteriaceae with High Rate of Autochthonous Transmission in the Arabian Peninsula.
The study identified bla NDM, bla OXA-48-like, and bla VIM as the primary carbapenemase genes in carbapenem-resistant Enterobacteriaceae in the Arabian Peninsula, highlighting the significance of autochthonous transmission.
Arginine-containing peptides as potent inhibitors of VIM-2 metallo-beta-lactamase.
The study identifies arginine-containing peptides as potent inhibitors of VIM-2 and IMP-1 metallo-beta-lactamases, highlighting their potential as therapeutic agents against β-lactam-resistant bacteria.
Clinical Performance of Check-Direct CPE, a Multiplex PCR for Direct Detection of bla(KPC), bla(NDM) and/or bla(VIM), and bla(OXA)-48 from Perirectal Swabs.
The study evaluated the clinical performance of Check-Direct CPE for the detection of blaKPC, blaNDM, blaVIM, and blaOXA-48 genes directly from perirectal swabs, demonstrating high sensitivity and negative predictive value for blaKPC.
Prevalence and Clonal Dissemination of Metallo-Beta-Lactamase-Producing Pseudomonas aeruginosa in Kermanshah.
The study identified the VIM gene as a prevalent metallo-beta-lactamase in Pseudomonas aeruginosa isolates from Kermanshah, contributing to carbapenem resistance.
Nosocomial emerging of (VIM1) carbapenemase-producing isolates of Klebsiella pneumoniae in North of Iran.
The study identifies the presence of blaVIM-1 gene in 30% of K. pneumoniae isolates, indicating the emergence of carbapenemase-producing strains in North of Iran.
Evaluation of the BYG Carba Test, a New Electrochemical Assay for Rapid Laboratory Detection of Carbapenemase-Producing Enterobacteriaceae.
The BYG Carba test was evaluated for the rapid detection of carbapenemase-producing Enterobacteriaceae, demonstrating high sensitivity and specificity for detecting blaOXA-48, blaKPC, blaNDM, and blaVIM genes.
Molecular detection of metallo-β-lactamase genes, bla IMP-1, bla VIM-2 and bla SPM-1 in imipenem resistant Pseudomonas aeruginosa isolated from clinical specimens in teaching hospitals of Ahvaz, Iran.
The study identified blaIMP-1 and blaVIM-2 genes as the primary contributors to imipenem resistance in Pseudomonas aeruginosa isolates from Ahvaz, Iran.
Comparison of Verona Integron-Borne Metallo-β-Lactamase (VIM) Variants Reveals Differences in Stability and Inhibition Profiles.
The study characterizes VIM-1, VIM-2, VIM-4, VIM-5, and VIM-38 metallo-beta-lactamase variants, revealing differences in their thermal stability and inhibition profiles, particularly highlighting the superior stability and distinct inhibition characteristics of VIM-5 and VIM-38.
Comparison of Verona Integron-Borne Metallo-β-Lactamase (VIM) Variants Reveals Differences in Stability and Inhibition Profiles.
The study characterizes VIM-1, VIM-2, VIM-4, VIM-5, and VIM-38 metallo-beta-lactamase variants, revealing differences in their thermal stability and inhibition profiles, particularly highlighting the superior stability and distinct inhibition characteristics of VIM-5 and VIM-38.
Comparison of Verona Integron-Borne Metallo-β-Lactamase (VIM) Variants Reveals Differences in Stability and Inhibition Profiles.
The study characterizes VIM-1, VIM-2, VIM-4, VIM-5, and VIM-38 metallo-beta-lactamase variants, revealing differences in their thermal stability and inhibition profiles, particularly highlighting the superior stability and distinct inhibition characteristics of VIM-5 and VIM-38.
Comparison of Verona Integron-Borne Metallo-β-Lactamase (VIM) Variants Reveals Differences in Stability and Inhibition Profiles.
The study characterizes VIM-1, VIM-2, VIM-4, VIM-5, and VIM-38 metallo-beta-lactamase variants, revealing differences in their thermal stability and inhibition profiles, particularly highlighting the superior stability and distinct inhibition characteristics of VIM-5 and VIM-38.
Comparison of Verona Integron-Borne Metallo-β-Lactamase (VIM) Variants Reveals Differences in Stability and Inhibition Profiles.
The study characterizes VIM-1, VIM-2, VIM-4, VIM-5, and VIM-38 metallo-beta-lactamase variants, revealing differences in their thermal stability and inhibition profiles, particularly highlighting the superior stability and distinct inhibition characteristics of VIM-5 and VIM-38.
β-Lactamase Characterization of Gram-Negative Pathogens Recovered from Patients Enrolled in the Phase 2 Trials for Ceftazidime-Avibactam: Clinical Efficacies Analyzed against Subsets of Molecularly Characterized Isolates.
The study characterized β-lactamase genes in baseline pathogens from patients enrolled in phase 2 trials for ceftazidime-avibactam, identifying CTX-M-14, CTX-M-15, OXA-1, TEM-1, OXA-1/30, SHV-12, ACC-4, CMY-42, NDM-1, VIM-2, PER-1, and OXA-23 as key resistance determinants against ceftazidime.
Xpert CARBA-R Assay for the Detection of Carbapenemase-Producing Organisms in Intensive Care Unit Patients of a Korean Tertiary Care Hospital
The Xpert CARBA-R assay detected carbapenemase-producing organisms (CPO) in ICU patients, identifying blaVIM, blaIMP, and blaKPC genes as responsible for carbapenem resistance.
Coproduction of KPC-18 and VIM-1 Carbapenemases by Enterobacter cloacae: Implications for Newer β-Lactam-β-Lactamase Inhibitor Combinations.
The study identifies the coproduction of KPC-18 and VIM-1 carbapenemases in Enterobacter cloacae strain G6809, highlighting the challenge of treating infections caused by multidrug-resistant organisms with newer β-lactam-β-lactamase inhibitor combinations.
Triton Hodge Test: Improved Protocol for Modified Hodge Test for Enhanced Detection of NDM and Other Carbapenemase Producers
The study identifies NDM-1 and VIM-2 as carbapenemase genes that are membrane-anchored, leading to false-negative results in the modified Hodge test (MHT). The addition of Triton X-100 in the MHT (Triton Hodge test) enhances detection of these membrane-bound carbapenemases.
Dissemination of carbapenemases producing Gram negative bacteria in the Middle East.
The study reviews the dissemination of carbapenemase-producing Gram-negative bacteria in the Middle East, highlighting the prevalence of KPC, VIM, IMP, NDM, and OXA-48 enzymes in various bacterial species such as Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa.
Dissemination of carbapenemases producing Gram negative bacteria in the Middle East.
The study reviews the dissemination of carbapenemase-producing Gram-negative bacteria in the Middle East, highlighting the prevalence of KPC, VIM, IMP, NDM, and OXA-48 enzymes in various bacterial species such as Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa.
Dissemination of carbapenemases producing Gram negative bacteria in the Middle East.
The study reviews the dissemination of carbapenemase-producing Gram-negative bacteria in the Middle East, highlighting the prevalence of KPC, VIM, IMP, NDM, and OXA-48 enzymes in various bacterial species such as Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa.
Dissemination of carbapenemases producing Gram negative bacteria in the Middle East.
The study reviews the dissemination of carbapenemase-producing Gram-negative bacteria in the Middle East, highlighting the prevalence of KPC, VIM, IMP, NDM, and OXA-48 enzymes in various bacterial species such as Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa.
Dissemination of carbapenemases producing Gram negative bacteria in the Middle East.
The study reviews the dissemination of carbapenemase-producing Gram-negative bacteria in the Middle East, highlighting the prevalence of KPC, VIM, IMP, NDM, and OXA-48 enzymes in various bacterial species such as Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa.
Phenotypic detection and molecular characterization of beta-lactamase genes among Citrobacter species in a tertiary care hospital.
The study identified blaNDM-1, blaVIM, blaTEM-1, blaSHV, and blaCTX-M-15 as the primary beta-lactamase genes responsible for carbapenem resistance in Citrobacter species.
Phenotypic and genotypic characteristics of carbapenem-resistant Enterobacteriaceae in a tertiary-level reference hospital in Turkey.
The study identified the OXA-48, NDM-1, and VIM carbapenemase genes in various Enterobacteriaceae species, highlighting the spread of carbapenem resistance in Turkey.
An Xpert screen to identify carbapenemases.
The Xpert MDRO-assay identified 59.3% of samples as harboring blaNDM, 9.37% as blaNDM+VIM, and 3.1% as blaVIM, demonstrating its utility in rapid detection of carbapenemase-producing Enterobacteriaceae.
Characterization and Clinical Impact of Bloodstream Infection Caused by Carbapenemase-Producing Enterobacteriaceae in Seven Latin American Countries.
The study identified carbapenemase-producing Enterobacteriaceae (CPE) in 53 out of 255 patients with bloodstream infections, with bla KPC, bla VIM, and bla NDM being the most prevalent genes. These genes conferred resistance to carbapenems, and CPE infections were associated with higher mortality rates.
Multisite Evaluation of Cepheid Xpert Carba-R Assay for Detection of Carbapenemase-Producing Organisms in Rectal Swabs.
The Cepheid Xpert Carba-R assay effectively detects carbapenemase-producing organisms (CPO) by identifying specific carbapenemase genes, including blaIMP-1, blaVIM, blaNDM, blaKPC, and blaOXA-48, in rectal swab specimens.
First Report of a Verona Integron-Encoded Metallo-beta-lactamase-Producing Klebsiella pneumoniae Infection in a Child in the United States.
The study reports the first case of a Verona Integron-Encoded Metallo-beta-lactamase (VIM) producing Klebsiella pneumoniae infection in a child in the United States, highlighting the emergence of carbapenem-resistant organisms.
Occurrence of co-existing bla VIM-2 and bla NDM-1 in clinical isolates of Pseudomonas aeruginosa from India.
The study identifies the coexistence of bla VIM-2 and bla NDM-1 in clinical isolates of Pseudomonas aeruginosa from India, highlighting their horizontal transferability and resistance to carbapenems.
Diverse Genetic Background of Multidrug-Resistant Pseudomonas aeruginosa from Mainland China, and Emergence of an Extensively Drug-Resistant ST292 Clone in Kunming.
The study identified various carbapenemase genes including blaIMP-9, blaIMP-1, blaIMP-10, blaVIM-2, and blaKPC-2 in multidrug-resistant Pseudomonas aeruginosa isolates from mainland China, highlighting the emergence of an extensively drug-resistant ST292 clone.
Transcriptome Profiling of Antimicrobial Resistance in Pseudomonas aeruginosa.
The study identifies multiple AMR genes and mutations in Pseudomonas aeruginosa, including aadA1, aadA6, aacA4, aacA7, aacA5, blaOXA-2, blaOXA-4, blaVIM-1, blaVIM-2, blaGIM-2, blaIMP-1, blaIMP-7, blaPER-1, blaCTX-M-3, ampC, gyrA (T83I), and parC (S87L/W), which are associated with resistance to various antibiotics such as tobramycin, ceftazidime, meropenem, and ciprofloxacin.
Transcriptome Profiling of Antimicrobial Resistance in Pseudomonas aeruginosa.
The study identifies multiple AMR genes and mutations in Pseudomonas aeruginosa, including aadA1, aadA6, aacA4, aacA7, aacA5, blaOXA-2, blaOXA-4, blaVIM-1, blaVIM-2, blaGIM-2, blaIMP-1, blaIMP-7, blaPER-1, blaCTX-M-3, ampC, gyrA (T83I), and parC (S87L/W), which are associated with resistance to various antibiotics such as tobramycin, ceftazidime, meropenem, and ciprofloxacin.
Antimicrobial Resistance Mechanisms
The paper discusses various mechanisms of antibiotic resistance, including beta-lactamases like blaKPC, blaNDM, blaIMP, and blaVIM, which confer resistance to carbapenems. It also covers aminoglycoside modifying enzymes such as aac(6')-Ib and aac(6')-I, quinolone resistance proteins like qnr, tetracycline resistance genes such as tet(M) and tet(O), macrolide resistance genes like erm, mefA, and mefE, and efflux pump systems like mexAB-oprM and acrAB-tolC.
Effect of the β-Lactamase Inhibitor Vaborbactam Combined with Meropenem against Serine Carbapenemase-Producing Enterobacteriaceae.
Vaborbactam, a β-lactamase inhibitor, restores meropenem activity against serine carbapenemase-producing Enterobacteriaceae, particularly those expressing KPC and VIM enzymes.
Use of Cepheid Xpert Carba-R® for Rapid Detection of Carbapenemase-Producing Bacteria in Abdominal Septic Patients Admitted to Intensive Care Unit.
The study evaluates the effectiveness of the Xpert Carba-R assay in detecting carbapenemase-producing bacteria in abdominal septic patients. It identifies several carbapenem resistance genes, including bla KPC, bla VIM, bla OXA-48, bla IMP-1, and bla NDM, which are associated with resistance to carbapenems.
Use of ferrous iron by metallo-beta-lactamases.
The study demonstrates that metallo-beta-lactamases (MBLs) can utilize ferrous iron (Fe(II)) for catalyzing the hydrolysis of β-lactam antibiotics, altering their kinetic and inhibition profiles compared to zinc-bound MBLs. Both di-Fe(II) BcII and di-Fe(II) VIM-2 showed activity against nitrocefin and meropenem under anaerobic conditions.
In vitro antibacterial activity of rifampicin in combination with imipenem, meropenem and doripenem against multidrug-resistant clinical isolates of Pseudomonas aeruginosa.
The study identifies bla VIM genes in six of the 71 multidrug-resistant P. aeruginosa isolates, which confer resistance to carbapenems. The combination of imipenem with rifampicin showed improved efficacy against these isolates.
A Novel Integron Gene Cassette Harboring VIM-38 Metallo-β-lactamase in a Clinical Pseudomonas aeruginosa Isolate.
The study reports a novel integron gene cassette harboring the VIM-38 metallo-β-lactamase in a multidrug-resistant Pseudomonas aeruginosa isolate, highlighting the spread of this resistance mechanism in Turkey.
Molecular epidemiology of carbapenem resistant gram-negative bacilli from infected pediatric population in tertiary - care hospitals in Medellín, Colombia: an increasing problem.
The study identified KPC carbapenemase as the primary resistance mechanism in Klebsiella pneumoniae isolates, with KPC-2 and KPC-3 variants detected. VIM-2 carbapenemase was found in Pseudomonas aeruginosa isolates, and KPC-3 was detected in Enterobacter cloacae.
Insights on the Horizontal Gene Transfer of Carbapenemase Determinants in the Opportunistic Pathogen Acinetobacter baumannii.
The paper discusses the horizontal gene transfer of carbapenemase determinants in Acinetobacter baumannii, focusing on various carbapenemase genes such as bla OXA-23, bla OXA-40, bla OXA-58, bla OXA-143, and bla OXA-235, highlighting their roles in carbapenem resistance and the mechanisms of their dissemination.
Antimicrobial susceptibility testing in predicting the presence of carbapenemase genes in Enterobacteriaceae in South Africa.
The study identified bla_NDM, bla_OXA-48, bla_VIM, bla_IMP, bla_GES, and bla_KPC as the most prevalent carbapenemase genes in Enterobacteriaceae isolates in South Africa, with bla_NDM being the most common.
A cluster of KPC-2 and VIM-2-producing Klebsiella pneumoniae ST833 isolates from the pediatric service of a Venezuelan Hospital.
All 19 isolates contained both bla KPC-2 and bla VIM-2 genes, which encode serine and metallo-beta-lactamases, respectively. Additionally, the qac DeltaE and add A2 genes were detected, indicating resistance to quaternary ammonium compounds and streptomycin.
The rapid spread of carbapenem-resistant Enterobacteriaceae.
The paper discusses the rapid spread of carbapenem-resistant Enterobacteriaceae (CRE) and characterizes various carbapenemase genes such as bla KPC, bla NDM, bla VIM, bla OXA-48, and bla IMP, highlighting their roles in conferring resistance to carbapenems.
The rapid spread of carbapenem-resistant Enterobacteriaceae.
The paper discusses the rapid spread of carbapenem-resistant Enterobacteriaceae (CRE) and characterizes various carbapenemase genes such as bla KPC, bla NDM, bla VIM, bla OXA-48, and bla IMP, highlighting their roles in conferring resistance to carbapenems.
Evaluation of the Xpert Carba-R (Cepheid) Assay Using Contrived Bronchial Specimens from Patients with Suspicion of Ventilator-Associated Pneumonia for the Detection of Prevalent Carbapenemases.
The Xpert Carba-R assay effectively detects carbapenemase-producing organisms directly in contrived bronchial aspirates, demonstrating 100% sensitivity and specificity for the detection of bla KPC, bla NDM, bla VIM, bla OXA-48, and bla IMP-1 genes.
Comparison of phenotypic and PCR methods for detection of carbapenemases production by Enterobacteriaceae.
The study identified the presence of various carbapenemase genes, including blaIMP, blaVIM, blaNDM, blaKPC, and blaOXA-48, in Enterobacteriaceae isolates, highlighting the importance of molecular methods for rapid and accurate detection of carbapenemase-producing organisms.
Comparison of 11 Phenotypic Assays for Accurate Detection of Carbapenemase-Producing Enterobacteriaceae
The study evaluates 11 phenotypic assays for the detection of carbapenemase-producing Enterobacteriaceae (CPE) and identifies the effectiveness of various assays in detecting different types of carbapenemase genes, including bla KPC, bla NDM, bla OXA-48-type, bla VIM, bla IMP, bla SME, and bla IMI.
Molecular Characteristics of Carbapenem-Resistant Enterobacter cloacae in Ningxia Province, China.
The study identified blaNDM-1, blaKPC, blaIMP, and blaVIM as the main carbapenem resistance genes in carbapenem-resistant Enterobacter cloacae isolates from Ningxia, China. These genes were found in multiple isolates and could be transferred to Escherichia coli via conjugation.
Development of a Rapid Reverse Blot Hybridization Assay for Detection of Clinically Relevant Antibiotic Resistance Genes in Blood Cultures Testing Positive for Gram-Negative Bacteria.
The study developed and evaluated the REBA-EAC assay for the rapid detection of clinically relevant antibiotic resistance genes in blood cultures positive for Gram-negative bacteria. The assay successfully identified various beta-lactamase genes, including ESBLs (CTX-M, TEM, SHV), AmpC beta-lactamases (DHA, CMY-2-like, ACT), and carbapenemases (IMP, VIM, NDM, KPC, OXA-48-like, SPM).
Antibiotic treatment at delivery shapes the initial oral microbiome in neonates.
The study identified the presence of the Vim-1 antibiotic resistance gene in 26% of exposed neonates, indicating that maternal intrapartum antibiotic treatment contributes to the initial oral microbiome and the presence of antibiotic resistance genes in neonates.
Rapid detection of carbapenemase-producing Klebsiella pneumoniae strains derived from blood cultures by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (MALDI-TOF MS).
The study demonstrates the rapid detection of carbapenemase-producing Klebsiella pneumoniae strains using MALDI-TOF MS, identifying various carbapenemase genes including bla KPC, bla NDM, bla OXA-48, bla VIM, bla IMP, bla SHV, bla TEM, and bla CTX-M.
VIM-1 carbapenemase-producing Escherichia coli in gulls from southern France.
The study identifies the blaVIM-1 gene as the resistance mechanism in carbapenem-resistant Escherichia coli isolated from yellow-legged gulls in southern France.
Lateral Antimicrobial Resistance Genetic Transfer is active in the open environment.
The study demonstrates that environmental class 1 integron-integrases can efficiently acquire and integrate antimicrobial resistance gene cassettes (aadB and blaVIM-2) without antimicrobial pressure, indicating an active role of the open environment in the dissemination of antimicrobial resistance.
The Epidemiology of Carbapenem-Resistant Enterobacteriaceae: The Impact and Evolution of a Global Menace.
The paper discusses the global spread and mechanisms of carbapenem resistance in Enterobacteriaceae, highlighting the role of various beta-lactamase genes such as blaKPC, blaNDM, blaVIM, blaIMP, and blaOXA-48 in conferring resistance to carbapenems.
Carbapenemase-producing enterobacteriaceae recovered from a Spanish river ecosystem.
The study identified carbapenemase-producing Enterobacteriaceae (CPE) in a river ecosystem, including KPC-2, VIM-1, and IMI-2 carbapenemases. These enzymes were found in various species such as Escherichia coli, Enterobacter cloacae, Klebsiella pneumoniae, Klebsiella oxytoca, and Raoultella ornithinolytica.
Evaluation of a modified meropenem hydrolysis assay on a large cohort of KPC and VIM carbapenemase-producing Enterobacteriaceae.
The study evaluates a modified meropenem hydrolysis assay (MHA) for the detection of carbapenemase-producing Enterobacteriaceae, demonstrating its effectiveness in identifying KPC, VIM, NDM, and OXA-48 carbapenemases.
Distribution of Integrons and Phylogenetic Groups among Enteropathogenic Escherichia coli Isolates from Children <5 Years of Age in Delhi, India.
The study identified various AMR genes including dfrA1, dfrA7, dfrA12, aadA1, aadA2, sul1, tetA, aacC1, TEM, SHV, CTX-M, OXA, NDM-1, IMP, VIM, ACT, DHA, and CMY in E. coli isolates from children in Delhi, India. These genes were associated with resistance to multiple antibiotics such as trimethoprim, streptomycin, sulfonamides, tetracycline, gentamicin, and various beta-lactams.
Molecular epidemiological survey of bacteremia by multidrug resistant Pseudomonas aeruginosa: the relevance of intrinsic resistance mechanisms.
The study identifies blaSPM-1 and blaVIM genes as key contributors to carbapenem resistance in Pseudomonas aeruginosa isolates, along with intrinsic resistance mechanisms such as overproduction of AmpC, loss of OprD porin, and overexpression of efflux pumps.
Emergence of IntI1 associated bla(VIM-2) gene cassette-mediated carbapenem resistance in opportunistic pathogen Pseudomonas stutzeri.
The study reports the emergence of the bla(VIM-2) gene cassette mediated carbapenem resistance in Pseudomonas stutzeri, highlighting the role of IntI1 in its dissemination.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
Genomic epidemiology of global VIM-producing Enterobacteriaceae.
This study characterized various VIM carbapenemase genes (bla VIM-1, bla VIM-2, bla VIM-4, bla VIM-5, bla VIM-19, bla VIM-23, bla VIM-26, bla VIM-27, bla VIM-29, bla VIM-31, and bla VIM-33) in global VIM-producing Enterobacteriaceae isolates, highlighting their distribution and molecular epidemiology.
MULTILOCUS SEQUENCE TYPING OF CARBAPENEM RESISTANT PSEUDOMONAS AERUGINOSA ISOLATES FROM PATIENTS PRESENTING AT PORT ELIZABETH HOSPITALS, SOUTH AFRICA.
The study identified the blaVIM-2 gene as responsible for carbapenem resistance in 15 out of 81 carbapenem-resistant Pseudomonas aeruginosa isolates. MLST revealed five novel sequence types among these isolates.
Comparison of in-house and commercial real time-PCR based carbapenemase gene detection methods in Enterobacteriaceae and non-fermenting gram-negative bacterial isolates.
The study established and evaluated an in-house multiplex RT-PCR assay for the detection of carbapenemase genes in gram-negative bacteria, demonstrating its effectiveness in identifying blaKPC, blaNDM, blaVIM, and various blaOXA variants.
Molecular detection of beta-lactamase and integron genes in clinical strains of Klebsiella pneumoniae by multiplex polymerase chain reaction.
The study identified the presence of various beta-lactamase genes (blaTEM, blaCTX-M, blaSHV, blaPER, blaGES, blaVIM, blaIMP, blaOXA, blaKPC) and integron genes (intI, intII, intIII) in clinical strains of Klebsiella pneumoniae, highlighting the prevalence of multidrug resistance.
Determination of carbapenem resistance mechanism in clinical isolates of Pseudomonas aeruginosa isolated from burn patients, in Tehran, Iran.
Carbapenem resistance in Pseudomonas aeruginosa isolates from burn patients in Tehran, Iran, is primarily mediated by blaVIM and blaIMP carbapenemase genes, oprD mutations, and AmpC overproduction.
Emergence of carbapenemase-producing urinary isolates at a tertiary care hospital in Dhaka, Bangladesh.
The study identified the presence of various carbapenemase genes, including bla NDM-1, bla OXA-48, bla OXA-181, bla KPC, bla VIM, and bla IMP, in carbapenem-resistant Gram-negative uropathogens in Bangladesh.
Evolving beta-lactamase epidemiology in Enterobacteriaceae from Italian nationwide surveillance, October 2013: KPC-carbapenemase spreading among outpatients.
The study identified the prevalence of beta-lactamase genes, including bla CTX-M-1, bla CTX-M-9, bla KPC, bla VIM, bla OXA-48, and bla NDM, in Enterobacteriaceae isolates from Italy. It highlighted the increasing spread of CTX-M-type enzymes and KPC-carbapenemase among outpatients.
Molecular Characterization of Klebsiella pneumoniae Clinical Isolates with Elevated Resistance to Carbapenems.
The study identified blaNDM-1, blaVIM-1, and blaOXA-48 carbapenemase genes in K. pneumoniae isolates, with some isolates carrying multiple carbapenemase genes. High copy numbers of these genes and loss of OmpK35 were associated with increased carbapenem resistance.
A Modified Carbapenem Inactivation Method, CIMTris, for Carbapenemase Production in Acinetobacter and Pseudomonas Species.
The study introduces a modified carbapenem inactivation method, CIMTris, which shows higher sensitivity than the mCIM for detecting carbapenemase production in Acinetobacter and Pseudomonas species. Several carbapenemase genes, including blaIMP-10, blaIMP-14, blaIMP-15, blaIMP-26, blaIMP-34, blaIMP-43, blaIMP-44, blaIMP-51, blaNDM-1, blaVIM-1, blaVIM-2, blaGES-5, blaGES-6, blaOXA-23, blaOXA-58, blaOXA-72, blaOXA-69, blaOXA-82, blaOXA-98, and blaOXA-51-like, were identified and validated in this study.
A Modified Carbapenem Inactivation Method, CIMTris, for Carbapenemase Production in Acinetobacter and Pseudomonas Species.
The study introduces a modified carbapenem inactivation method, CIMTris, which shows higher sensitivity than the mCIM for detecting carbapenemase production in Acinetobacter and Pseudomonas species. Several carbapenemase genes, including blaIMP-10, blaIMP-14, blaIMP-15, blaIMP-26, blaIMP-34, blaIMP-43, blaIMP-44, blaIMP-51, blaNDM-1, blaVIM-1, blaVIM-2, blaGES-5, blaGES-6, blaOXA-23, blaOXA-58, blaOXA-72, blaOXA-69, blaOXA-82, blaOXA-98, and blaOXA-51-like, were identified and validated in this study.
Simple, rapid, and cost-effective modified Carba NP test for carbapenemase detection among Gram-negative bacteria.
The study evaluated modified Carba NP (mCNP) test for rapid detection of carbapenemases among Gram-negative bacteria. It identified bla NDM, bla IMP, bla VIM, bla OXA-48-like, and bla KPC genes as prevalent carbapenemase genes in carbapenem-resistant isolates.
High-Stringency Evaluation of the Automated BD Phoenix CPO Detect and Rapidec Carba NP Tests for Detection and Classification of Carbapenemases.
The study evaluated the BD Phoenix CPO Detect and Rapidec Carba NP tests for detecting and classifying carbapenemases. Both tests showed high sensitivity for carbapenemase detection, with the BD Phoenix CPO Detect also providing classification of carbapenemases.
A Systematic Review and Meta-analyses of the Clinical Epidemiology of Carbapenem-Resistant Enterobacteriaceae.
This systematic review identifies risk factors for carbapenem-resistant Enterobacteriaceae (CRE) acquisition, highlighting the role of medical devices, carbapenem use, and invasive procedures. It also emphasizes the importance of infection control strategies such as barrier precautions and active surveillance.
Low overlap between carbapenem resistant Pseudomonas aeruginosa genotypes isolated from hospitalized patients and wastewater treatment plants.
The study identified two types of acquired carbapenemase genes, blaVIM-2 and blaVIM-1, in 18 genomes of carbapenem-resistant P. aeruginosa isolates. These genes were found in three MLST-ST types and were associated with resistance to imipenem and meropenem.
Low overlap between carbapenem resistant Pseudomonas aeruginosa genotypes isolated from hospitalized patients and wastewater treatment plants.
The study identified two types of acquired carbapenemase genes, blaVIM-2 and blaVIM-1, in 18 genomes of carbapenem-resistant P. aeruginosa isolates. These genes were found in three MLST-ST types and were associated with resistance to imipenem and meropenem.
VIM-1 carbapenemase-producing Escherichia coli isolated from retail seafood, Germany 2016.
The study identifies a VIM-1 carbapenemase-producing E. coli isolate from retail seafood in Germany, highlighting the presence of multiple resistance genes including blaVIM-1, aacA4, aadA1, aph(3')-XV, catB2, qnrS1, blaSHV-12, blaACC-1, strA-like, strB-like, dfrA14-like, mph(A), sul1, and sul2.
Multicenter Evaluation of the Modified Carbapenem Inactivation Method and the Carba NP for Detection of Carbapenemase-Producing Pseudomonas aeruginosa and Acinetobacter baumannii.
The study characterizes various carbapenemase genes, including blaVIM, blaIMP, blaKPC, blaNDM, blaSPM, blaOXA-23, blaOXA-24/40, blaOXA-58, blaOXA-72, and blaOXA-237, which confer resistance to carbapenems in Pseudomonas aeruginosa and Acinetobacter baumannii.
Genomic characterisation of clinical and environmental Pseudomonas putida group strains and determination of their role in the transfer of antimicrobial resistance genes to Pseudomonas aeruginosa.
The study identified blaVIM-1 and blaVIM-2 genes in Pseudomonas putida and Pseudomonas aeruginosa strains, highlighting their role in carbapenem resistance. No significant horizontal gene transfer of resistance genes between P. putida and P. aeruginosa was observed.
Genomic characterisation of clinical and environmental Pseudomonas putida group strains and determination of their role in the transfer of antimicrobial resistance genes to Pseudomonas aeruginosa.
The study identified blaVIM-1 and blaVIM-2 genes in Pseudomonas putida and Pseudomonas aeruginosa strains, highlighting their role in carbapenem resistance. No significant horizontal gene transfer of resistance genes between P. putida and P. aeruginosa was observed.
Molecular and epidemiological characterization of carbapenemase-producing Enterobacteriaceae in Norway, 2007 to 2014.
The study identified various carbapenemase genes including bla KPC, bla NDM, bla OXA-48-like, bla VIM, bla IMI, and bla IMP in different Enterobacteriaceae species. These genes conferred resistance to carbapenems. Additionally, mutations in pmrA and pmrB were associated with colistin resistance in Klebsiella pneumoniae.
A Novel IncA/C1 Group Conjugative Plasmid, Encoding VIM-1 Metallo-Beta-Lactamase, Mediates the Acquisition of Carbapenem Resistance in ST104 Klebsiella pneumoniae Isolates from Neonates in the Intensive Care Unit of V. Monaldi Hospital in Naples.
The study identifies a novel IncA/C1 conjugative plasmid, pIncAC_KP4898, which carries the blaVIM-1 gene and other resistance genes, mediating carbapenem resistance in ST104 Klebsiella pneumoniae isolates from neonates in the NICU of V. Monaldi Hospital in Naples.
Detection of metallo-β-lactamases-encoding genes among clinical isolates of Pseudomonas aeruginosa in a tertiary care hospital, Kathmandu, Nepal.
The study detected blaVIM-2 and blaIMP-1 genes in Pseudomonas aeruginosa isolates, which conferred resistance to imipenem, meropenem, and ceftazidime.
Pseudomonas aeruginosa-producing Metallo-β-lactamases (VIM, IMP, SME, and AIM) in the Clinical Isolates of Intensive Care Units, a University Hospital in Isfahan, Iran.
The study identified blaIMP and blaVIM genes in Pseudomonas aeruginosa isolates from ICU patients in Iran, indicating their role in carbapenem resistance.
Evaluation of the Amplidiag CarbaR+VRE Kit for Accurate Detection of Carbapenemase-Producing Bacteria.
The Amplidiag CarbaR+VRE assay effectively detects various carbapenemase genes, including blaKPC, blaNDM, blaVIM, blaIMP, blaOXA-48, blaOXA-23, blaOXA-58, and blaOXA-51, in different bacterial species.
Characteristics of Carbapenemase-Producing Enterobacteriaceae in Wastewater Revealed by Genomic Analysis.
The study identified various carbapenemase-encoding genes, including bla GES-5, bla GES-6, bla GES-24, bla NDM-5, bla IMP-8, bla IMP-19, bla KPC-2, and bla VIM-1, in carbapenemase-producing Enterobacteriaceae (CPE) isolated from wastewater in Japan and Taiwan.
Comprehensive Evaluation of the MBT STAR-BL Module for Simultaneous Bacterial Identification and beta-lactamase-Mediated Resistance Detection in Gram-Negative Rods from Cultured Isolates and Positive Blood Cultures.
The study evaluated the MBT STAR-BL module for detecting beta-lactamase-mediated resistance in Gram-negative rods from cultured isolates and blood cultures. It identified several beta-lactamase genes, including blaTEM-1b, blaCTX-M-13, blaCTX-M-14, blaNDM-5, blaKPC-2, blaCMY-2, blaOXA-23, blaOXA-51, blaVIM-4, blaPOM-1, and blaL1, which confer resistance to various β-lactam antibiotics.
bla(VIM) and bla(IMP) Genes Detection in Isolates of Carbapenem Resistant P. aeruginosa of Hospitalized Patients in Two Hospitals in Iran.
The study detected bla(VIM) and bla(IMP) genes in 6 (5.8%) and 2 (1.9%) of 19 MBL-producing P. aeruginosa isolates, respectively, indicating their role in carbapenem resistance.
Retrospective Analysis of Bacterial Cultures Sampled in German Chicken-Fattening Farms During the Years 2011-2012 Revealed Additional VIM-1 Carbapenemase-Producing Escherichia coli and a Serologically Rough Salmonella enterica Serovar Infantis.
The study identified VIM-1 carbapenemase-producing Escherichia coli and Salmonella enterica serovar Infantis in German chicken-fattening farms, highlighting the presence of carbapenem-resistant Enterobacteriaceae in livestock environments.
Resistance to Carbapenems in Non-Typhoidal Salmonella enterica Serovars from Humans, Animals and Food.
The study identifies various carbapenemase genes, including blaKPC-2, blaIMP-4, blaNDM-1, blaNDM-5, blaVIM-2, and blaOXA-48, in non-typhoidal Salmonella enterica serovars from humans, animals, and food sources, highlighting the emergence of carbapenem resistance in these pathogens.
Carbapenem-resistant Gram-negative pathogens in a German university medical center: Prevalence, clinical implications and the role of novel β-lactam/beta-lactamase inhibitor combinations.
The study identified carbapenemase genes blaVIM-2, blaOXA-48, and blaOXA-23-like as the main contributors to carbapenem resistance in Pseudomonas aeruginosa, Enterobacteriaceae, and Acinetobacter baumannii, respectively.
Ceftazidime Is the Key Diversification and Selection Driver of VIM-Type Carbapenemases.
Ceftazidime Is the Key Diversification and Selection Driver of VIM-Type Carbapenemases.
Ceftazidime Is the Key Diversification and Selection Driver of VIM-Type Carbapenemases.
Diversity of Carbapenemase-Producing Escherichia coli Isolates in France in 2012-2013.
The study identified various carbapenemase-producing Escherichia coli isolates in France, including OXA-48-like, NDM, VIM, and KPC carbapenemases. These isolates exhibited resistance to carbapenems, with OXA-48-like being the most prevalent.
Metallo-β-lactamase-mediated resistance among clinical carbapenem-resistant Pseudomonas aeruginosa isolates in northern Iran: A potential threat to clinical therapeutics.
The study identified blaIMP, blaVIM, and blaNDM genes as major contributors to carbapenem resistance in Pseudomonas aeruginosa isolates in northern Iran.
Molecular Typing and Carbapenem Resistance Mechanisms of Pseudomonas aeruginosa Isolated From a Chinese Burn Center From 2011 to 2016.
Within-a-Day Detection and Rapid Characterization of Carbapenemase by Use of a New Carbapenem Inactivation Method-Based Test, CIMplus.
The study evaluates the CIMplus test for rapid detection and characterization of carbapenemase-producing Enterobacteriaceae (CPE), demonstrating high sensitivity and specificity in identifying various carbapenemase types, including KPC, GES, NDM, VIM, IMP, OXA-48, and OXA-181.
Novel Enterobacter Lineage as Leading Cause of Nosocomial Outbreak Involving Carbapenemase-Producing Strains.
The study identifies a novel Enterobacter lineage (ST873) responsible for a nosocomial outbreak involving carbapenemase-producing strains, with blaVIM-4 being the primary resistance gene.
Molecular Characterization of Carbapenem-Resistant Enterobacter cloacae in 11 Chinese Cities.
The study identified various carbapenemase genes, including blaNDM-1, blaIMP-4, blaKPC-2, and blaVIM-1, in carbapenem-resistant Enterobacter cloacae strains from 11 Chinese cities. These genes conferred resistance to multiple beta-lactam antibiotics.
Direct Detection of Carbapenem-Resistant Organisms from Environmental Samples Using the GeneXpert Molecular Diagnostic System.
The study evaluated the effectiveness of the Carba-R assay for detecting carbapenemase genes in environmental samples during a healthcare-associated outbreak. The Carba-R assay detected carbapenemase genes in several samples, including bla KPC, bla VIM, and bla OXA-48-type, demonstrating its utility in identifying carbapenem-resistant organisms.
Virtual Screening and Experimental Testing of B1 Metallo-β-lactamase Inhibitors.
The study identified and experimentally validated several B1 metallo-beta-lactamase inhibitors, including compounds 11993658, 24897966, 6821770, and 23978304, which showed potent inhibition against NDM-1, IMP-1, and VIM-2.
Phenotypic screening and molecular characterization of carbapenemase-producing Gram-negative bacilli recovered from febrile neutropenic pediatric cancer patients in Egypt.
The study identified blaOXA-48, blaNDM, blaVIM, and blaKPC as the主要 carbapenemase genes in carbapenem-resistant Gram-negative bacilli from febrile neutropenic pediatric cancer patients in Egypt.
Drug Resistance and Molecular Epidemiology of Carbapenem Resistant Gram-negative Bacilli Isolates.
The study identifies blaNDM-1 as the most prevalent metallo-beta-lactamase gene among carbapenem-resistant Gram-negative bacilli, followed by blaVIM and blaIMP. These genes confer resistance to carbapenems.
Related carbapenemase-producing Klebsiella isolates detected in both a hospital and associated aquatic environment in Sweden.
The study identified carbapenemase-producing Klebsiella isolates in both hospital and aquatic environments in Sweden, highlighting the presence of blaVIM-1, blaIMP-29, blaNDM-1, blaKPC-3, and blaOXA-48 genes in various Klebsiella species.
Extensively drug-resistant (XDR) Pseudomonas aeruginosa identified in Lima, Peru co-expressing a VIM-2 metallo-β-lactamase, OXA-1 β-lactamase and GES-1 extended-spectrum β-lactamase.
The study identifies a multidrug-resistant Pseudomonas aeruginosa isolate from Peru that co-expresses the VIM-2 metallo-beta-lactamase, OXA-1 beta-lactamase, and GES-1 extended-spectrum beta-lactamase, highlighting the emergence of extensive drug resistance in the region.
Phenotypic and molecular detection of metallo-beta-lactamase-producing Pseudomonas aeruginosa isolates from patients with burns in Tehran, Iran.
The study identified bla VIM-1, bla IMP-1, and bla SPM-1 genes as the primary metallo-beta-lactamase-encoding genes in Pseudomonas aeruginosa isolates from burn patients in Tehran, Iran.
Detection of the carbapenemase gene bla(VIM-5) in members of the Pseudomonas putida group isolated from polluted Nigerian wetlands.
The study identifies the carbapenemase gene bla(VIM-5) in members of the Pseudomonas putida group isolated from polluted Nigerian wetlands, highlighting the environmental spread of clinically relevant antibiotic resistance genes.
Establishment of a dual-wavelength spectrophotometric method for analysing and detecting carbapenemase-producing Enterobacteriaceae.
The study established a dual-wavelength spectrophotometric method for detecting carbapenemase-producing Enterobacteriaceae (CPE) by analyzing imipenem hydrolysis. The method effectively identified CPE strains carrying blaIMP, blaKPC, blaNDM, blaOXA, and blaVIM genes.
Antimicrobial Resistance in ESBL-Producing E. coli Isolates from Companion Animals
The study identifies several novel beta-lactamase genes, including bla_SFO, bla_Cph, bla_VIM, bla_Act, bla_MIR, bla_MOX, and bla_PAO, along with commonly encountered genes like bla_CTX-M-15, bla_TEM-1B, and bla_OXA-1, in ESBL-producing E. coli isolates from companion animals.
Prospective evaluation of a screening algorithm for carbapenemase-producing Enterobacteriaceae.
The study evaluated a screening algorithm for carbapenemase-producing Enterobacteriaceae (CPE) and identified several carbapenemase genes, including bla KPC, bla NDM, bla VIM, bla IMP, bla OXA-48, and bla OXA-181, which confer resistance to carbapenems.
High frequency and molecular epidemiology of metallo-β-lactamase-producing gram-negative bacilli in a tertiary care hospital in Lahore, Pakistan.
The study identified the prevalence of metallo-beta-lactamase (MBL)-producing gram-negative bacilli in a tertiary care hospital in Lahore, Pakistan. It found that bla TEM, bla SHV, bla OXA, bla IMP-1, and bla VIM genes were frequently present in imipenem-resistant isolates, indicating the coexistence of extended-spectrum beta-lactamase (ESBL) and MBL genes.
Rapid detection of carbapenemases directly from positive blood cultures by the β-CARBA test.
The study presents a new method for the rapid detection of carbapenemases directly from positive blood cultures using the β-CARBA test, achieving 100% sensitivity and 94.3% specificity for various carbapenemase types including OXA-48-like, NDM, KPC, VIM, and GIM.
Crystal structures of VIM-1 complexes explain active site heterogeneity in VIM-class metallo-β-lactamases.
The study presents the crystal structures of VIM-1 and its complexes with ML302F and hydrolyzed meropenem, explaining how VIM-1 accommodates sequence variations at positions 224 and 228 while maintaining catalytic efficiency against a broad substrate range. ML302F was shown to potentiate meropenem activity against VIM-1-expressing clinical isolates.
The resistomes of six carbapenem-resistant pathogens - a critical genotype-phenotype analysis.
The study characterized the resistomes of six carbapenem-resistant pathogens, identifying various carbapenemase genes such as bla KPC-2, bla OXA-48, bla OXA-72, bla NDM-1, bla NDM-7, and bla VIM-1, along with other resistance genes like aac(6')-Ib-cr, aph(3")-Ib, aph(6)-Id, tet(B), erm(B), mph(A), sul1, sul2, dfrA17, dfrA14, bla CTX-M-15, bla CMY-6, bla OXA-1, bla SHV-200, bla OXA-10, and bla NDM-7.
Characterization of Gene Families Encoding Beta-Lactamases of Gram-Negative Rods Isolated from Ready-to-Eat Vegetables in Mexico City.
The study identified various beta-lactamase genes, including blaBIL, blaSHV, blaCTX, blaDHA, blaVIM, blaOXA, blaIMP, blaKPC, and blaTEM, which confer resistance to beta-lactam antibiotics in Enterobacteriaceae isolated from ready-to-eat vegetables in Mexico City.
Diversity of resistance mechanisms in carbapenem-resistant Enterobacteriaceae at a health care system in Northern California, from 2013 to 2016.
The study identified various carbapenemase genes, including bla OXA-48 like, bla KPC, bla NDM, bla SME, bla IMP, and bla VIM, contributing to carbapenem resistance in Enterobacteriaceae isolates. These genes were found in different bacterial species, and their presence influenced the susceptibility profiles of the isolates to newer β-lactam/β-lactamase inhibitors.
Simultaneous Single-Channel Multiplexing and Quantification of Carbapenem-Resistant Genes Using Multidimensional Standard Curves.
The study presents a novel method for simultaneous single-channel multiplexing and enhanced quantification of four carbapenem-resistant genes: blaOXA-48, blaNDM, blaVIM, and blaKPC. These genes were experimentally validated using synthetic DNA and bacterial isolates.
Diarrheal bacterial pathogens and multi-resistant enterobacteria in the Choqueyapu River in La Paz, Bolivia.
The study identified multidrug-resistant Enterobacteriaceae in the Choqueyapu River, including E. coli and Enterobacter cloacae carrying bla CTX-M, bla KPC, bla NDM, bla VIM, and bla OXA-48 genes, highlighting the environmental spread of antibiotic resistance.
Molecular Characterization of Carbapenem Resistant Klebsiella pneumoniae and Klebsiella quasipneumoniae Isolated from Lebanon.
The study identified several carbapenemase genes, including bla OXA-48, bla NDM-1, bla NDM-7, and bla CTX-M-15, as well as the chromosomally-encoded beta-lactamase bla OKP-B-3, in carbapenem-resistant Klebsiella pneumoniae and Klebsiella quasipneumoniae isolates from Lebanon.
Sequencing and Genomic Diversity Analysis of IncHI5 Plasmids.
The study identified carbapenemase genes blaIMP-4, blaIMP-38, and blaVIM-1 within ARI-A and ARI-B islands of IncHI5 plasmids, contributing to carbapenem resistance in Klebsiella pneumoniae and other bacteria.
Genetic Diversity of Carbapenem-Resistant Enterobacteriaceae (CRE) Clinical Isolates From a Tertiary Hospital in Eastern China.
The study identified multiple carbapenemase genes (blaKPC-2, blaKPC-3, blaNDM-1, blaNDM-5, blaIMP-4, and blaVIM-1) and porin gene mutations (ompK35, ompK36, and ompF) contributing to carbapenem resistance in CRE isolates from a Chinese hospital.
High Burden of Extended-Spectrum beta-lactamase-Producing Escherichia coli and Klebsiella pneumoniae Bacteremia in Older Adults: A Seven-Year Study in Two Rural Thai Provinces.
The study identified the presence of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli and Klebsiella pneumoniae in two rural Thai provinces, highlighting the increasing prevalence of these resistant strains and their association with higher mortality rates and reduced susceptibility to various antibiotics.
Transcriptome analysis of beta-lactamase genes in diarrheagenic Escherichia coli.
Characterization of Carbapenemase-Producing Klebsiella oxytoca in Spain, 2016-2017.
The study characterized carbapenemase-producing Klebsiella oxytoca isolates in Spain, identifying various carbapenemase genes such as bla OXA-48, bla VIM-1, bla KPC-2, bla KPC-3, and bla NDM-1, along with the bla OXY-2 beta-lactamase gene.
Epidemiology and Mechanisms of Resistance of Extensively Drug Resistant Gram-Negative Bacteria.
The paper reviews the mechanisms of resistance in extensively drug-resistant (XDR) gram-negative bacteria, focusing on carbapenem resistance mechanisms such as carbapenemases (KPC, NDM, VIM, OXA-48), efflux pumps, porin mutations, and colistin resistance (mcr-1).
A Novel VIM-Type Metallo-β-Lactamase Variant, VIM-60, with Increased Hydrolyzing Activity against Fourth-Generation Cephalosporins in Pseudomonas aeruginosa Clinical Isolates in Japan.
A novel VIM-type metallo-β-lactamase variant, VIM-60, was identified in multidrug-resistant Pseudomonas aeruginosa clinical isolates in Japan. VIM-60 exhibits increased hydrolytic activity against fourth-generation cephalosporins compared to VIM-2.
Hospital effluent: A reservoir for carbapenemase-producing Enterobacterales?
The study identified carbapenemase-producing Enterobacterales (CPE) in hospital effluent and municipal wastewater, with blaOXA-48, blaKPC, blaVIM, and blaIMP detected in hospital and post-hospital wastewater samples. blaNDM was found in pre-hospital wastewater.
Antibiotic Resistance in Enterobacteriaceae from Surface Waters in Urban Brazil Highlights the Risks of Poor Sanitation.
The study identified several AMR genes in Enterobacteriaceae from surface waters in urban Brazil, including bla OXA-48, bla KPC, bla VIM-2, qnrS, and aac(6')-lb-cr, highlighting the risks of poor sanitation.
Epidemiology of carbapenem-resistant Escherichia coli and first report of blaVIM carbapenemases gene in calves from India.
The study reports the first detection of the blaVIM carbapenemase gene in Escherichia coli isolates from calves in India, highlighting the emergence of carbapenem resistance in livestock.
Genotypic antimicrobial resistance assays for use on E. coli isolates and stool specimens.
The study developed and validated 85 PCR assays to detect 79 AMR genes and mutations associated with resistance across 10 antimicrobial classes, focusing on E. coli. The assays showed high concordance with sequencing and phenotypic susceptibility testing, demonstrating their potential for AMR surveillance in E. coli isolates and direct stool specimens.
Direct use of eazyplex(®) SuperBug CRE assay from positive blood cultures in conjunction with inpatient infectious disease consulting for timely appropriate antimicrobial therapy in Escherichia coli and Klebsiella pneumoniae bloodstream infections.
The study highlights the effectiveness of the eazyplex® SuperBug CRE assay in detecting bla CTX-M, bla KPC, and bla VIM genes in Escherichia coli and Klebsiella pneumoniae bloodstream infections, enabling timely and appropriate antimicrobial therapy.
Emergence of Carbapenem-Resistant Pseudomonas asiatica Producing NDM-1 and VIM-2 Metallo-beta-lactamases in Myanmar.
The study identifies blaNDM-1 and blaVIM-2 genes in carbapenem-resistant Pseudomonas asiatica isolates from Myanmar, along with the 16S rRNA methylase gene rmtC, contributing to resistance against carbapenems and aminoglycosides.
Detection of VIM and NDM-1 metallo-beta-lactamase genes in carbapenem-resistant Pseudomonas aeruginosa clinical strains in Bahrain.
The study identified the presence of VIM and NDM-1 metallo-beta-lactamase genes in carbapenem-resistant Pseudomonas aeruginosa strains in Bahrain, highlighting the emergence of multidrug-resistant isolates.
Rapid detection and molecular survey of blaVIM, blaIMP and blaNDM genes among clinical isolates of Acinetobacter baumannii using new multiplex real-time PCR and melting curve analysis.
The study developed a multiplex real-time PCR assay for detecting blaIMP, blaVIM, and blaNDM genes in Acinetobacter baumannii clinical isolates, showing 100% concordance with conventional PCR. blaVIM was the most prevalent MBL gene, while blaNDM was not detected.
Detection of VIM-1-Producing Enterobacter cloacae and Salmonella enterica Serovars Infantis and Goldcoast at a Breeding Pig Farm in Germany in 2017 and Their Molecular Relationship to Former VIM-1-Producing S. Infantis Isolates in German Livestock Production.
The study identifies VIM-1-producing Enterobacter cloacae and Salmonella enterica serovars Infantis and Goldcoast in a German pig farm, highlighting the presence of the bla VIM-1 gene on IncHI2 plasmids and its association with Tn21-like transposons.
Laboratory and Clinical Evaluation of DNA Microarray for the Detection of Carbapenemase Genes in Gram-Negative Bacteria from Hospitalized Patients.
The study developed a DNA microarray for the detection of eight carbapenemase genes (blaKPC, blaNDM-1, blaOXA-23, blaOXA-48, blaOXA-51, blaIMP, blaVIM, and blaDIM) in Gram-negative bacteria, demonstrating high specificity and sensitivity.
Establishing Antimicrobial Resistance Surveillance & Research Network in India: Journey so far.
The study characterizes various AMR genes and mutations in different bacterial pathogens, highlighting the prevalence of resistance to multiple antibiotics, including beta-lactams, fluoroquinolones, and aminoglycosides. Key findings include the widespread presence of bla OXA-48, bla TEM, and qnrS1 in Enterobacteriaceae, and mecA, mupA, cfr, and ermC in Staphylococcus aureus.
Carbapenemase-producing Enterobacteriaceae and Aeromonas spp. present in wastewater treatment plant effluent and nearby surface waters in the US.
The study identifies various carbapenemase-producing bacteria, including Enterobacteriaceae and Aeromonas spp., in wastewater treatment plant effluent and nearby surface waters in the US. Key findings include the detection of bla KPC-2, bla KPC-3, bla NDM-1, bla NDM-5, bla NDM-7, bla GES-5, and bla VIM-1 genes in several bacterial species, highlighting the presence of clinically relevant carbapenem-resistant genotypes in the environment.
Metal impacts on the persistence and proliferation of β-lactam resistance genes in Xiangjiang River, China.
The study identifies and characterizes the persistence and proliferation of various β-lactam resistance genes (blaTEM, blaVIM, blaSHV, blaGES, blaDHA, blaOXA-1, blaOXA-2, blaOXA-10, blaCMY-2, and blaampC) in the Xiangjiang River, highlighting the impact of heavy metals on their distribution and the role of bacterial communities in their persistence.
Performance Evaluation of the MBT STAR(®)-Carba IVD Assay for the Detection of Carbapenemases With MALDI-TOF MS.
The MBT STAR®-Carba IVD assay effectively detects carbapenemase-producing organisms, showing high sensitivity and specificity for various carbapenemase genes including blaOXA-48, blaKPC, blaNDM, blaVIM, blaIMP, blaOXA-23, blaOXA-24/-40, and blaOXA-58.
Evolution of Carbapenem-Resistant Serotype K1 Hypervirulent Klebsiella pneumoniae by Acquisition of bla(VIM-1)-Bearing Plasmid.
The study identifies a carbapenem-resistant, hypervirulent Klebsiella pneumoniae strain (R210-2) that acquired a blaVIM-1-bearing plasmid, leading to resistance against multiple antibiotics including carbapenems.
Identification of a Novel Plasmid Lineage Associated With the Dissemination of Metallo-β-Lactamase Genes Among Pseudomonads.
The study identifies a novel plasmid lineage associated with the dissemination of metallo-beta-lactamase genes among Pseudomonas species, including blaVIM-1, blaVIM-2, blaIMP-63, and blaBIM.
Identification of a Novel Plasmid Lineage Associated With the Dissemination of Metallo-β-Lactamase Genes Among Pseudomonads.
The study identifies a novel plasmid lineage associated with the dissemination of metallo-beta-lactamase genes among Pseudomonas species, including blaVIM-1, blaVIM-2, blaIMP-63, and blaBIM.
Pseudomonas aeruginosa Coharboring Bla(KPC-2) and Bla(VIM-2) Carbapenemase Genes.
The study reports the first case series of Pseudomonas aeruginosa infections that concurrently harbor bla(VIM-2) and bla(KPC-2) carbapenemase genes, which confer resistance to carbapenems.
Diagnostic performance of the Xpert Carba-R assay for active surveillance of rectal carbapenemase-producing organisms in intensive care unit patients.
The study evaluated the diagnostic performance of the Xpert Carba-R assay for detecting rectal carbapenemase-producing organisms (CPOs) in ICU patients, identifying bla KPC, bla NDM, bla VIM, bla IMP-1, and bla OXA-48 as the main carbapenemase genes associated with resistance to carbapenems.
Protein determinants of dissemination and host specificity of metallo-β-lactamases.
The study identifies blaNDM-1, blaVIM-2, and blaSPM-1 as metallo-beta-lactamase genes that confer resistance to carbapenems. The expression of these genes in different bacterial hosts leads to varying fitness costs, influencing their dissemination and host specificity.
Protein determinants of dissemination and host specificity of metallo-β-lactamases.
The study identifies blaNDM-1, blaVIM-2, and blaSPM-1 as metallo-beta-lactamase genes that confer resistance to carbapenems. The expression of these genes in different bacterial hosts leads to varying fitness costs, influencing their dissemination and host specificity.
High Prevalence of Metallo-β-Lactamase-Producing Enterobacter cloacae From Three Tertiary Hospitals in China.
The study identified multiple metallo-beta-lactamase genes, including blaNDM-1, blaIMP-26, blaIMP-4, blaIMP-1, blaVIM-4, and blaKPC-2, as major contributors to carbapenem resistance in Enterobacter cloacae isolates from three hospitals in China.
Cooccurrence of NDM-1, ESBL, RmtC, AAC(6')-Ib, and QnrB in Clonally Related Klebsiella pneumoniae Isolates Together with Coexistence of CMY-4 and AAC(6')-Ib in Enterobacter cloacae Isolates from Saudi Arabia.
The study identifies the coexistence of multiple AMR genes, including blaNDM-1, blaVIM-1, qnrB, rmtC, aac(6')-Ib, and blaCMY-4, in carbapenem-resistant K. pneumoniae and E. cloacae isolates from Saudi Arabia.
Dissemination prevention of antibiotic resistant and facultative pathogenic bacteria by ultrafiltration and ozone treatment at an urban wastewater treatment plant.
The study analyzed the effectiveness of ultrafiltration and ozone treatment in reducing antibiotic resistance genes (ARGs) and facultative pathogenic bacteria in wastewater. It identified several ARGs, including sul1, blaTEM, tetM, CTX-M, CTX-M-32, blaOXA-48, blaVIM, CMY-2, vanA, mcr-1, blaNDM, ermB, and intl1, which were found to be prevalent in the wastewater. Both ultrafiltration units showed significant reduction in these ARGs and pathogenic bacteria, whereas ozone treatment was less effective.
Evaluation of in vitro activity of ceftazidime/avibactam and ceftolozane/tazobactam against MDR Pseudomonas aeruginosa isolates from Qatar.
The study evaluated the in vitro activity of ceftazidime/avibactam and ceftolozane/tazobactam against MDR Pseudomonas aeruginosa isolates from Qatar. It identified several beta-lactamase genes, including blaTEM-116, blaVEB-1a, blaCARB-3, blaVIM-2, blaPDC-2, blaPDC-3, blaPDC-5, blaPDC-7, blaOXA-4, blaOXA-10, and blaOXA-50, which contribute to resistance against these antibiotics.
First Report of bla(VIM-4)- and mcr-9-Coharboring Enterobacter Species Isolated from a Pediatric Patient.
The study reports the first case of an Enterobacter isolate co-harboring bla(VIM-4) and mcr-9 in the United States, highlighting the potential for multidrug resistance and the need for monitoring such genetic elements.
Detection of VIM-1, VIM-2 and IMP-1 metallo- β-lactamase genes in Klebsiella pneumoniae isolated from clinical samples in Sanandaj, Kurdistan, west of Iran.
The study identified the presence of blaVIM-1 and blaIMP-1 genes in K. pneumoniae isolates, indicating resistance to carbapenems. VIM-1 was more prevalent than IMP-1.
Infectious phage particles packaging antibiotic resistance genes found in meat products and chicken feces.
The study identified various antibiotic resistance genes (ARGs) in phage particles from meat products and chicken feces, highlighting the potential role of phages in the dissemination of resistance.
Phenotypic and genotypic detection of metallo-β-lactamases in A. baumanii isolates obtained from clinical samples in Shahrekord, southwest Iran.
The study identified the presence of bla(VIM-1) and bla(IMP-1) genes in Acinetobacter baumannii isolates, which confer resistance to meropenem and imipenem.
Antimicrobial Resistance Mechanisms in Antibiotic-Producing Bacteria and Pathogens
The paper discusses various antimicrobial resistance mechanisms in antibiotic-producing bacteria and pathogens, focusing on genes and mutations that confer resistance to different classes of antibiotics, including beta-lactams, aminoglycosides, tetracyclines, chloramphenicol, macrolides, and others.
Occurrence of beta-lactamase-Producing Gram-Negative Bacterial Isolates in Water Sources in Cali City, Colombia.
The study identified several beta-lactamase genes, including bla TEM-1, bla CTX-M-9, bla VIM-2, bla IMP-1, and bla AmpC, in Gram-negative bacterial isolates from water sources in Cali, Colombia. These genes conferred resistance to various β-lactam antibiotics, highlighting the presence of antibiotic resistance genes in aquatic environments.
Carbapenem-Resistant Acinetobacter baumannii in Three Tertiary Care Hospitals in Mexico: Virulence Profiles, Innate Immune Response and Clonal Dissemination.
The study identified carbapenem-resistant Acinetobacter baumannii isolates carrying bla OXA-24, bla TEM-1, and bla OXA-51-like genes, which conferred resistance to carbapenems and beta-lactams.
bla(VIM)- and bla(OXA)-mediated carbapenem resistance among Acinetobacter baumannii and Pseudomonas aeruginosa isolates from the Mulago hospital intensive care unit in Kampala, Uganda.
The study identified bla(VIM), bla(OXA-23), and bla(OXA-24) as the primary carbapenem resistance genes in Acinetobacter baumannii and Pseudomonas aeruginosa isolates from the Mulago Hospital ICU in Uganda.
High-Risk International Clones of Carbapenem-Nonsusceptible Pseudomonas aeruginosa Endemic to Indonesian Intensive Care Units: Impact of a Multifaceted Infection Control Intervention Analyzed at the Genomic Level.
The study identified several carbapenemase-encoding genes (blaGES-5, blaIMP-1, blaIMP-7, blaIMP-43, blaVIM-2, and blaVIM-8) and mutations in the porin gene oprD that contribute to carbapenem resistance in Pseudomonas aeruginosa isolates from Indonesian ICUs.
High-Risk International Clones of Carbapenem-Nonsusceptible Pseudomonas aeruginosa Endemic to Indonesian Intensive Care Units: Impact of a Multifaceted Infection Control Intervention Analyzed at the Genomic Level.
The study identified several carbapenemase-encoding genes (blaGES-5, blaIMP-1, blaIMP-7, blaIMP-43, blaVIM-2, and blaVIM-8) and mutations in the porin gene oprD that contribute to carbapenem resistance in Pseudomonas aeruginosa isolates from Indonesian ICUs.
Study of genetic diversity, biofilm formation, and detection of Carbapenemase, MBL, ESBL, and tetracycline resistance genes in multidrug-resistant Acinetobacter baumannii isolated from burn wound infections in Iran.
The study identified several AMR genes in multidrug-resistant Acinetobacter baumannii isolates, including bla OXA-23-like, bla OXA-40-like, bla OXA-51-like, bla VIM, bla PER-1, bla VEB-1, and tetB, which contribute to resistance against carbapenems, beta-lactams, and tetracyclines.
Treatment Options for Carbapenem-resistant Gram-negative Bacterial Infections.
The paper discusses various carbapenem-resistant gram-negative pathogens and highlights the importance of new antimicrobial agents like ceftazidime-avibactam, meropenem-vaborbactam, and others in treating infections caused by these resistant organisms.
Evaluation of eazyplex(®) SuperBug CRE Test for Beta-Lactamase Genes Detection in Klebsiella spp. and P. aeruginosa Strains.
The study evaluated the eazyplex® SuperBug CRE test for detecting beta-lactamase genes in Klebsiella spp. and P. aeruginosa, identifying several resistance genes including blaCTX-M1, blaCTX-M9, blaVIM, blaNDM, blaKPC, and blaOXA-48.
A Single Salt Bridge in VIM-20 Increases Protein Stability and Antibiotic Resistance under Low-Zinc Conditions.
The H229R mutation in VIM-20 increases protein stability and resistance to carbapenems under low-zinc conditions through the formation of a salt bridge with Glu171.
A Single Salt Bridge in VIM-20 Increases Protein Stability and Antibiotic Resistance under Low-Zinc Conditions.
The H229R mutation in VIM-20 increases protein stability and resistance to carbapenems under low-zinc conditions through the formation of a salt bridge with Glu171.
A Single Salt Bridge in VIM-20 Increases Protein Stability and Antibiotic Resistance under Low-Zinc Conditions.
The H229R mutation in VIM-20 increases protein stability and resistance to carbapenems under low-zinc conditions through the formation of a salt bridge with Glu171.
The Rapid Carbapenemase Detection Method (rCDM) for Rapid and Accurate Detection of Carbapenemase-Producing Enterobacteriaceae and Pseudomonas aeruginosa.
The study developed the rapid carbapenemase detection method (rCDM) for detecting carbapenemase-producing Enterobacteriaceae and Pseudomonas aeruginosa. The method showed high sensitivity and specificity for detecting various carbapenemase genes, including blaKPC-2, blaIMP-4, blaVIM-1, blaNDM-1, blaOXA-48, and blaVIM-4.
The Rapid Carbapenemase Detection Method (rCDM) for Rapid and Accurate Detection of Carbapenemase-Producing Enterobacteriaceae and Pseudomonas aeruginosa.
The study developed the rapid carbapenemase detection method (rCDM) for detecting carbapenemase-producing Enterobacteriaceae and Pseudomonas aeruginosa. The method showed high sensitivity and specificity for detecting various carbapenemase genes, including blaKPC-2, blaIMP-4, blaVIM-1, blaNDM-1, blaOXA-48, and blaVIM-4.
Performance of a multiplex PCR pneumonia panel for the identification of respiratory pathogens and the main determinants of resistance from the lower respiratory tract specimens of adult patients in intensive care units.
The study evaluated the FilmArray PP for detecting respiratory pathogens and resistance genes in ICU patients, identifying bla CTX-M, bla IMP, bla NDM, and bla VIM as the main resistance genes.
Phenotypic and genotypic characterization of carbapenem-resistant Acinetobacter baumannii isolates from Egypt.
The study identified blaOXA-51, blaOXA-23, blaVIM, and blaNDM as the primary carbapenem resistance genes in carbapenem-resistant Acinetobacter baumannii isolates from Egypt, with blaOXA-51 and blaOXA-23 being present in all isolates.
VNRX-5133 (Taniborbactam), a Broad-Spectrum Inhibitor of Serine- and Metallo-beta-lactamases, Restores Activity of Cefepime in Enterobacterales and Pseudomonas aeruginosa.
Taniborbactam is a broad-spectrum beta-lactamase inhibitor that restores the activity of cefepime against Enterobacterales and Pseudomonas aeruginosa producing various beta-lactamases, including serine and metallo-beta-lactamases.
Molecular surveillance of carbapenemase-producing Pseudomonas aeruginosa at three medical centres in Cologne, Germany.
The study identified various carbapenemase genes including bla VIM-1, bla VIM-2, bla IMP-82, bla NDM-1, and bla GES-5 in carbapenem-resistant Pseudomonas aeruginosa isolates from three German medical centers.
Molecular surveillance of carbapenemase-producing Pseudomonas aeruginosa at three medical centres in Cologne, Germany.
The study identified various carbapenemase genes including bla VIM-1, bla VIM-2, bla IMP-82, bla NDM-1, and bla GES-5 in carbapenem-resistant Pseudomonas aeruginosa isolates from three German medical centers.
Detection of carbapenemase-producing Pseudomonas aeruginosa by phenotypic and genotypic methods in a tertiary care hospital of East India.
The study detected carbapenemase-producing Pseudomonas aeruginosa isolates, with bla VIM, bla NDM-1, bla SIM, and bla GIM being the most prevalent genes. Co-production of multiple carbapenemase genes was also observed.
Suppression of β-Lactam Resistance by Aspergillomarasmine A Is Influenced by both the Metallo-β-Lactamase Target and the Antibiotic Partner.
The study characterizes the effectiveness of Aspergillomarasmine A (AMA) in suppressing β-lactam resistance mediated by various metallo-β-lactamases (MBLs), including NDM-1, VIM-2, CphA2, and AIM-1, demonstrating that AMA can restore meropenem activity against MBL-producing bacteria.
Evaluation of the Revogene Carba C Assay for Detection and Differentiation of Carbapenemase-Producing Gram-Negative Bacteria.
The Revogene Carba C assay effectively detects the five major carbapenemases (NDM, VIM, IMP, KPC, and OXA-48) in Enterobacterales, Pseudomonas aeruginosa, and Acinetobacter baumannii, demonstrating high sensitivity and specificity.
High quality 3C de novo assembly and annotation of a multidrug resistant ST-111 Pseudomonas aeruginosa genome: Benchmark of hybrid and non-hybrid assemblers.
The study identified the presence of blaVIM-2 and blaIMP-18 genes in the multidrug-resistant Pseudomonas aeruginosa strain AG1, which confer resistance to carbapenems.
A Multispecies Cluster of VIM-1 Carbapenemase-Producing Enterobacterales Linked by a Novel, Highly Conjugative, and Broad-Host-Range IncA Plasmid Forebodes the Reemergence of VIM-1.
The study identifies the blaVIM-1 gene on a novel, highly conjugative, and broad-host-range IncA plasmid in various Enterobacterales species, highlighting its potential for widespread dissemination and reemergence of VIM-1 carbapenemase.
High Expression of Metallo-beta-lactamase Contributed to the Resistance to Carbapenem in Clinical Isolates of Pseudomonas aeruginosa from Baotou, China.
The study identified blaSIM, blaIMP, and blaVIM as metallo-beta-lactamase genes contributing to carbapenem resistance in Pseudomonas aeruginosa. Additionally, mutations in oprD2 and overexpression of mexA were also linked to resistance.
First Study of Antimicrobial Activity of Ceftazidime-Avibactam and Ceftolozane-Tazobactam Against Pseudomonas aeruginosa Isolated from Patients with Urinary Tract Infection in Tehran, Iran.
The study identified several beta-lactamase and carbapenemase genes, including bla OXA10, bla VIM, bla OXA48, bla OXA2, bla CTX-M, bla PER, and bla NDM, which contribute to resistance against ceftazidime-avibactam and ceftolozane-tazobactam in Pseudomonas aeruginosa isolates from Iran.
Resistome in Lake Bolonha, Brazilian Amazon: Identification of Genes Related to Resistance to Broad-Spectrum Antibiotics.
The study identified several AMR genes in Lake Bolonha, including bla CTX-M, bla SHV, bla TEM, bla VIM, bla IMP, intl1, and intl2, which confer resistance to beta-lactams and other antibiotics. These genes were found in various bacterial isolates, highlighting the presence of multidrug-resistant bacteria in the lake.
Development of a Two Triplex Real-Time Polymerase Chain Reaction for Rapid Detection of Six Carbapenemase Genes in Enterobacteriaceae.
The study developed a two triplex real-time PCR assay for the rapid detection of six carbapenemase genes (blaKPC, blaNDM, blaOXA-48_like, blaIMP, blaVIM, and blaGES) in Enterobacteriaceae, demonstrating 100% concordance with previously identified genotypes.
ZN148 Is a Modular Synthetic Metallo-β-Lactamase Inhibitor That Reverses Carbapenem Resistance in Gram-Negative Pathogens In Vivo.
ZN148 is a synthetic metallo-β-lactamase inhibitor that reverses carbapenem resistance in Gram-negative pathogens by chelating zinc ions, thereby inhibiting MBLs such as NDM-1 and VIM-2.
Sulfamoyl Heteroarylcarboxylic Acids as Promising Metallo-β-Lactamase Inhibitors for Controlling Bacterial Carbapenem Resistance.
The study identifies and characterizes the inhibitory activity of sulfamoyl heteroarylcarboxylic acids (SHCs) against metallo-beta-lactamases (MBLs), particularly IMP-1, NDM-1, and VIM-2, which are responsible for carbapenem resistance in Enterobacteriaceae and Acinetobacter spp.
Rapid Detection of KPC-Producing Enterobacterales Susceptible to Imipenem/Relebactam by Using the MALDI-TOF MS MBT STAR-Carba IVD Assay.
The study presents a MALDI-TOF MS-based method for rapidly detecting KPC-producing Enterobacterales susceptible to imipenem/relebactam, showing high sensitivity and specificity.
Prevalence of metallo-β-lactamase-producing Pseudomonas aeruginosa isolated from diabetic foot infections in Iraq.
The study identified bla VIM, bla IMP, bla SPM, bla SIM, and bla NDM genes in MBL-producing P. aeruginosa isolates from diabetic foot infections in Iraq.
Evaluation of the EDTA-Modified Carbapenem Inactivation Method for Detecting Metallo-β-Lactamase-Producing Pseudomonas aeruginosa.
The study evaluated the EDTA-modified carbapenem inactivation method (eCIM) for detecting metallo-β-lactamase-producing Pseudomonas aeruginosa. It found that eCIM effectively identified VIM, NDM, and GES-producing isolates, but failed to detect IMP and SPM-producing isolates. Modifications to the mCIM improved detection of GES-producing isolates.
Multispecies Outbreak of Verona Integron-Encoded Metallo-ß-Lactamase-Producing Multidrug Resistant Bacteria Driven by a Promiscuous Incompatibility Group A/C2 Plasmid.
The study identified a multispecies outbreak of VIM-producing CRE driven by a promiscuous IncA/C2 plasmid carrying blaVIM-1, highlighting the role of plasmid-mediated resistance in hospital settings.
First report of VIM metallo-β-lactamase production in Escherichia coli and Klebsiella pneumoniae clinical isolates from Gaza Strip, Palestine.
The study reports the first occurrence of VIM-4 and VIM-28 metallo-β-lactamase production in Escherichia coli and Klebsiella pneumoniae clinical isolates from the Gaza Strip, Palestine. Additionally, the aac(6')-Ib-cr and qnrS1 genes were identified as contributing to resistance against aminoglycosides and fluoroquinolones, respectively.
First report of VIM metallo-β-lactamase production in Escherichia coli and Klebsiella pneumoniae clinical isolates from Gaza Strip, Palestine.
The study reports the first occurrence of VIM-4 and VIM-28 metallo-β-lactamase production in Escherichia coli and Klebsiella pneumoniae clinical isolates from the Gaza Strip, Palestine. Additionally, the aac(6')-Ib-cr and qnrS1 genes were identified as contributing to resistance against aminoglycosides and fluoroquinolones, respectively.
Genomic analysis of 40 prophages located in the genomes of 16 carbapenemase-producing clinical strains of Klebsiella pneumoniae.
The study identified 40 prophages in 16 carbapenemase-producing clinical strains of Klebsiella pneumoniae, highlighting the presence of beta-lactamase genes (blaOXA-48, blaVIM-1, blaKPC) and mcr genes associated with carbapenem and colistin resistance.
Carbapenemases: Transforming Acinetobacter baumannii into a Yet More Dangerous Menace.
The paper reviews various carbapenemases in Acinetobacter baumannii, including OXA-23, OXA-24, OXA-51, OXA-58, OXA-143, OXA-235, NDM-1, VIM-1, VIM-2, IMP-1, IMP-2, IMP-4, and IMP-5, highlighting their roles in carbapenem resistance.
Carbapenemases: Transforming Acinetobacter baumannii into a Yet More Dangerous Menace.
The paper reviews various carbapenemases in Acinetobacter baumannii, including OXA-23, OXA-24, OXA-51, OXA-58, OXA-143, OXA-235, NDM-1, VIM-1, VIM-2, IMP-1, IMP-2, IMP-4, and IMP-5, highlighting their roles in carbapenem resistance.
Molecular epidemiology of antimicrobial resistant microorganisms in the 21th century: a review of the literature.
This review discusses the molecular epidemiology of antimicrobial resistant microorganisms, focusing on multidrug-resistant bacteria involved in healthcare-associated infections. It highlights the prevalence of specific sequence types and clonal complexes across different geographical regions.
In Vitro Activity of Essential Oils Against Planktonic and Biofilm Cells of Extended-Spectrum β-Lactamase (ESBL)/Carbapenamase-Producing Gram-Negative Bacteria Involved in Human Nosocomial Infections.
The study identified several beta-lactamase genes, including blaCTX-M-15, blaTEM-52, blaCTX-M-1, blaKPC-2, blaVIM-1, and blaVIM-2, which confer resistance to various beta-lactam antibiotics in ESBL and carbapenemase-producing Gram-negative bacteria.
In Vitro Activity of Essential Oils Against Planktonic and Biofilm Cells of Extended-Spectrum β-Lactamase (ESBL)/Carbapenamase-Producing Gram-Negative Bacteria Involved in Human Nosocomial Infections.
The study identified several beta-lactamase genes, including blaCTX-M-15, blaTEM-52, blaCTX-M-1, blaKPC-2, blaVIM-1, and blaVIM-2, which confer resistance to various beta-lactam antibiotics in ESBL and carbapenemase-producing Gram-negative bacteria.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii Associated with Nosocomial Infection in the Pelotas, RS, Brazil.
The study identified the blaVIM gene in 90.9% of carbapenem-resistant Acinetobacter baumannii isolates, indicating its significant role in carbapenem resistance.
Comprehensive exploration of the translocation, stability and substrate recognition requirements in VIM-2 lactamase.
The study comprehensively explores the translocation, stability, and substrate recognition requirements of VIM-2 lactamase through deep mutational scanning, identifying residues critical for function, stability, and substrate specificity.
Multicenter Evaluation of the Xpert Carba-R Assay for Detection and Identification of Carbapenemase Genes in Sputum Specimens.
The Xpert Carba-R assay effectively detects carbapenemase genes (bla KPC, bla NDM, bla IMP, and bla VIM) in sputum specimens, providing rapid and accurate identification of carbapenem-resistant Enterobacteriaceae.
Development of CRISPR-Cas13a-based antimicrobials capable of sequence-specific killing of target bacteria.
The study demonstrates the development of CRISPR-Cas13a-based antimicrobials that can specifically kill bacteria carrying AMR genes such as blaIMP-1, mcr-1, mcr-2, blaOXA-48, blaVIM-2, blaNDM-1, blaKPC-2, and mecA.
Antibiotic Resistance Profiles, Molecular Mechanisms and Innovative Treatment Strategies of Acinetobacter baumannii.
The paper discusses the antibiotic resistance profiles and molecular mechanisms of Acinetobacter baumannii, highlighting the presence of various beta-lactamases such as blaOXA-23, blaOXA-51, blaOXA-24/40, blaOXA-58, blaOXA-143, blaOXA-235, blaIMP, blaVIM, and blaNDM, as well as aminoglycoside-modifying enzymes like aac(6')-Ib, aph(3')-Ia, and ant(2'')-Ia. It also identifies efflux pumps such as adeABC and tetracycline resistance genes like tet(A).
Distribution of Class B and Class A β-Lactamases in Clinical Strains of Pseudomonas aeruginosa: Comparison of Phenotypic Methods and High-Resolution Melting Analysis (HRMA) Assay.
The study identified various β-lactamase genes, including bla SHV, bla TEM, bla KPC, bla IMP, bla VIM, and bla GES, in Pseudomonas aeruginosa isolates using HRMA assay. These genes were associated with resistance to multiple β-lactam antibiotics.
Characterization of a rare bla (VIM-4) metallo-beta-lactamase-producing Serratia marcescens clinical isolate in Hungary.
The study characterizes a rare bla(VIM-4) metallo-beta-lactamase-producing Serratia marcescens isolate from Hungary, highlighting the emergence of novel carbapenemases and the challenges in detecting low-level carbapenem resistance.
Metallo-ß-lactamases: a review
The paper reviews the characteristics of metallo-beta-lactamases (MBLs), focusing on their structure, function, and role in antibiotic resistance. It highlights the importance of MBLs in clinical settings and discusses various inhibitors that target these enzymes.
Stochastic bacterial population dynamics restrict the establishment of antibiotic resistance from single cells.
The study demonstrates that sub-MIC concentrations of antibiotics significantly reduce the probability of establishment of resistant bacterial populations, highlighting the role of stochastic processes in the emergence of antibiotic resistance.
Stochastic bacterial population dynamics restrict the establishment of antibiotic resistance from single cells.
The study demonstrates that sub-MIC concentrations of antibiotics significantly reduce the probability of establishment of resistant bacterial populations, highlighting the role of stochastic processes in the emergence of antibiotic resistance.
Structure-based functional fitness analyses of carbapenemase variants identified among pathogenic carbapenem-resistant Gram-negative bacteria.
The study identified several carbapenemase variants, including blaNDM-1, blaVIM-2, blaKPC-2, blaOXA-181, blaOXA-23, blaOXA-66, blaOXA-69, and blaOXA-104, as critical determinants of carbapenem resistance in pathogenic Gram-negative bacteria.
4-(N-Alkyl- and -Acyl-amino)-1,2,4-triazole-3-thione Analogs as Metallo-β-Lactamase Inhibitors: Impact of 4-Linker on Potency and Spectrum of Inhibition.
The study identifies bla_VIM-2 as a gene responsible for metallo-beta-lactamase activity, which confers resistance to carbapenems. The gene was experimentally validated in an isogenic E. coli strain.
Prevalence of plasmid-encoded carbapenemases in multi-drug resistant Escherichia coli from patients with urinary tract infection in northern Iran.
The study identified the presence of plasmid-encoded carbapenemases, including bla IMP, bla VIM, bla KPC, and bla OXA-48, in multi-drug resistant Escherichia coli isolates from patients with urinary tract infections in northern Iran.
Emerging Antimicrobial-Resistant High-Risk Klebsiella pneumoniae Clones ST307 and ST147.
The study identifies and characterizes the antimicrobial resistance genes and mutations associated with the high-risk Klebsiella pneumoniae clones ST307 and ST147, highlighting their global spread and the diversity of resistance mechanisms they employ.
First Genomic Characterization of bla(VIM-1) and mcr-9-Coharbouring Enterobacter hormaechei Isolated from Food of Animal Origin.
The study reports the first genomic characterization of a multidrug-resistant Enterobacter hormaechei isolate coharboring bla(VIM-1) and mcr-9 genes from food of animal origin. The isolate was resistant to carbapenems and other antibiotics, but susceptible to colistin. The bla(VIM-1) and mcr-9 genes were located on the same IncHI2 plasmid, along with other resistance genes.
Fatal respiratory infection due to ST308 VIM-1-producing Pseudomonas aeruginosa in a lung transplant recipient: case report and review of the literature.
The study reports the first fatal infection caused by VIM-1-producing Pseudomonas aeruginosa in a lung transplant recipient, highlighting the significant threat posed by metallo-beta-lactamase (MBL)-producing strains in cystic fibrosis patients.
Fatal respiratory infection due to ST308 VIM-1-producing Pseudomonas aeruginosa in a lung transplant recipient: case report and review of the literature.
The study reports the first fatal infection caused by VIM-1-producing Pseudomonas aeruginosa in a lung transplant recipient, highlighting the significant threat posed by metallo-beta-lactamase (MBL)-producing strains in cystic fibrosis patients.
Distribution and Molecular Characterization of Resistance Gene Cassettes Containing Class 1 Integrons in Multi-Drug Resistant (MDR) Clinical Isolates of Pseudomonas aeruginosa.
The study identified several resistance gene cassettes within class 1 integrons in multidrug-resistant Pseudomonas aeruginosa isolates, including aadB, aacA4, blaOXA-10, aacA5, cmlA5, and VIM-1, which confer resistance to various antibiotics such as aminoglycosides, beta-lactams, and chloramphenicol.
ChromID(®) CARBA Agar Fails to Detect Carbapenem-Resistant Enterobacteriaceae With Slightly Reduced Susceptibility to Carbapenems.
The study identifies that ChromID(®) CARBA agar fails to detect carbapenem-resistant Enterobacteriaceae with slightly reduced susceptibility to carbapenems, highlighting the need for alternative selective media such as MacConkey agar supplemented with cefotaxime and meropenem for reliable detection.
Antimicrobial Stewardship Program, COVID-19, and Infection Control: Spread of Carbapenem-Resistant Klebsiella Pneumoniae Colonization in ICU COVID-19 Patients. What Did Not Work?
The study highlights the spread of carbapenem-resistant Klebsiella pneumoniae (CR-Kp) in an ICU during the COVID-19 pandemic, identifying various carbapenemase genes including KPC, OXA-48-like, OXA-163, NDM, and VIM as contributors to resistance.
Rapid Detection and Characterization of Carbapenemases in Enterobacterales with a New Modified Carbapenem Inactivation Method, mCIMplus.
The study evaluates the mCIMplus test for rapid detection and characterization of carbapenemases in Enterobacterales, demonstrating high sensitivity and specificity for various carbapenemase types including OXA-48-like, NDM, KPC, VIM, GES-5, and IMP-1.
Antibiotic Resistance Characteristics of Pseudomonas aeruginosa Isolated from Keratitis in Australia and India.
The study identified several acquired antibiotic resistance genes in Pseudomonas aeruginosa isolates from keratitis in Australia and India, including aph(3')-IIb, blaPAO, fosA, catB7, qnrVC1, and aph(6)-Id. These genes conferred resistance to various antibiotics such as aminoglycosides, beta-lactams, fosfomycin, chloramphenicol, fluoroquinolones, and streptomycin. Indian isolates exhibited higher resistance rates and carried more resistance genes compared to Australian isolates.
Antibiogram, Prevalence of OXA Carbapenemase Encoding Genes, and RAPD-Genotyping of Multidrug-Resistant Acinetobacter baumannii Incriminated in Hidden Community-Acquired Infections.
The study identified the prevalence of OXA carbapenemase encoding genes, including bla_OXA-23, bla_OXA-24_like, and bla_OXA-58, along with bla_NDM, bla_VIM, and bla_IMP, in multidrug-resistant Acinetobacter baumannii strains from community-acquired infections in Egypt.
In Vitro Activity of Cefiderocol, a Siderophore Cephalosporin, against Multidrug-Resistant Gram-Negative Bacteria.
Cefiderocol shows good in vitro activity against multidrug-resistant Gram-negative bacteria, including those with NDM, VIM, IMP, KPC, OXA-48-like, GES, IMI, SME, VEB, PER, OXA-23, OXA-24/40, OXA-51, and OXA-58 carbapenemases.
Carbapenemase Producers Among Extensive Drug-Resistant Gram-Negative Pathogens Recovered from Febrile Neutrophilic Patients in Egypt.
The study identified blaKPC, blaOXA-48, and blaVIM as the most prevalent carbapenemase genes among XDR GNB in Egypt, with blaKPC being the most dominant.
Inhibitory Potential of Polyclonal Camel Antibodies against New Delhi Metallo-β-lactamase-1 (NDM-1).
Polyclonal camel antibodies (IgG1, IgG2, and IgG3) were shown to inhibit the activity of NDM-1, VIM-1, and L1 metallo-beta-lactamases, which are responsible for resistance to carbapenems.
Novel use of culturomics to identify the microbiota in hospital sink drains with and without persistent VIM-positive Pseudomonas aeruginosa.
The study identified VIM-positive Pseudomonas aeruginosa in hospital sink drains and characterized the microbiota using culturomics. The presence of blaVIM was confirmed in P. aeruginosa isolates from positive sink samples.
The Efficacy of AgNO3 Nanoparticles Alone and Conjugated with Imipenem for Combating Extensively Drug-Resistant Pseudomonas aeruginosa.
The study identified multiple AMR genes including IMP, VIM, OPR, SIM, SPM, GIM, NDM, VEB, PER, KPC, OXA, intI, intII, intIII, SHV, TEM, and CTXM in extensively drug-resistant Pseudomonas aeruginosa isolates. These genes conferred resistance to various antibiotics, particularly carbapenems and beta-lactams.
Molecular Epidemiology of Multi-Drug Resistant Pseudomonas aeruginosa Isolates from Hospitalized Patients in Greece.
The study identified blaVIM-2 as a major carbapenem resistance gene and oprD mutations contributing to carbapenem resistance in Pseudomonas aeruginosa isolates from Greek hospitals.
Evaluation of the Xpert Carba-R NxG Assay for Detection of Carbapenemase Genes in a Global Challenge Set of Pseudomonas aeruginosa Isolates.
The Xpert Carba-R NxG assay effectively detects various carbapenemase genes, including blaVIM, blaIMP, blaNDM, blaSPM, blaKPC, and blaGES, in Pseudomonas aeruginosa isolates.
Development and Application of a Pragmatic Algorithm to Guide Definitive Carbapenemase Testing to Identify Carbapenemase-Producing Pseudomonas aeruginosa.
The study identifies bla VIM as a gene encoding a carbapenemase in Pseudomonas aeruginosa, which confers resistance to carbapenems. Five isolates were found to harbor bla VIM, and they were confirmed through genotypic and phenotypic testing.
Dissemination of Verona Integron-encoded Metallo-β-lactamase among clinical and environmental Enterobacteriaceae isolates in Ontario, Canada.
The study identifies blaVIM-1 and blaVIM-2 as the primary metallo-beta-lactamase genes in clinical and environmental Enterobacteriaceae isolates in Ontario, Canada. Additionally, blaACC-1, blaCTX-M-15, and blaOXA-1 were found to contribute to antimicrobial resistance.
Dissemination of Verona Integron-encoded Metallo-β-lactamase among clinical and environmental Enterobacteriaceae isolates in Ontario, Canada.
The study identifies blaVIM-1 and blaVIM-2 as the primary metallo-beta-lactamase genes in clinical and environmental Enterobacteriaceae isolates in Ontario, Canada. Additionally, blaACC-1, blaCTX-M-15, and blaOXA-1 were found to contribute to antimicrobial resistance.
Antibacterial Activity of a Cationic Antimicrobial Peptide against Multidrug-Resistant Gram-Negative Clinical Isolates and Their Potential Molecular Targets.
The study identifies the presence of carbapenemase genes bla KPC, bla NDM, bla VIM, and bla IMP in multidrug-resistant clinical isolates of Klebsiella pneumoniae and Pseudomonas aeruginosa, which confer resistance to carbapenems.
Mechanisms of Resistance to Ceftolozane/Tazobactam in Pseudomonas aeruginosa: Results of the GERPA Multicenter Study.
The study identifies multiple mechanisms of resistance to ceftolozane/tazobactam in Pseudomonas aeruginosa, including the production of extended-spectrum beta-lactamases (ESBLs) and carbapenemases, overproduction of the intrinsic cephalosporinase PDC, and mutations in regulatory and peptidoglycan recycling genes.
Mechanisms of Resistance to Ceftolozane/Tazobactam in Pseudomonas aeruginosa: Results of the GERPA Multicenter Study.
The study identifies multiple mechanisms of resistance to ceftolozane/tazobactam in Pseudomonas aeruginosa, including the production of extended-spectrum beta-lactamases (ESBLs) and carbapenemases, overproduction of the intrinsic cephalosporinase PDC, and mutations in regulatory and peptidoglycan recycling genes.
Multiplicity of Carbapenemase-Producers Three Years after a KPC-3-Producing K. pneumoniae ST147-K64 Hospital Outbreak.
The study identifies the prevalence of various carbapenemase-producing Enterobacterales, including KPC-3, OXA-48, and VIM-1, highlighting the diversity and persistence of these resistant strains in a hospital setting.
Extended Spectrum Beta-Lactamase-Resistant Determinants among Carbapenem-Resistant Enterobacteriaceae from Beef Cattle in the North West Province, South Africa: A Critical Assessment of Their Possible Public Health Implications.
The study identified various carbapenemase and ESBL genes in carbapenem-resistant Enterobacteriaceae isolated from beef cattle in South Africa, highlighting the presence of resistance determinants that could pose public health risks.
Emergence of Enterobacter cloacae Complex Co-Producing IMP-10 and CTX-M, and Klebsiella pneumoniae Producing VIM-1 in Clinical Isolates in Japan.
The study reports the emergence of Enterobacter cloacae complex co-producing IMP-10 and CTX-M, and Klebsiella pneumoniae producing VIM-1 in clinical isolates in Japan, highlighting the spread of carbapenemase-producing Enterobacteriaceae.
Clinical Observation and Prognostic Analysis of Patients With Klebsiella pneumoniae Bloodstream Infection.
The study highlights the poor prognosis of Klebsiella pneumoniae bloodstream infections, particularly with carbapenem-resistant strains. It identifies risk factors for drug-resistant bacterial infection and mortality, emphasizing the importance of early identification and appropriate antibiotic treatment.
Antimicrobial resistance and metallo-beta-lactamase producing among commensal Escherichia coli isolates from healthy children of Khuzestan and Fars provinces; Iran.
The study identified blaNDM-1 and blaVIM-2 genes in commensal E. coli isolates from healthy children in Iran, indicating the presence of metallo-beta-lactamase-producing bacteria in the community.
Occurrence, identification, and antibiogram signatures of selected Enterobacteriaceae from Tsomo and Tyhume rivers in the Eastern Cape Province, Republic of South Africa.
The study identified various beta-lactamase genes (bla TEM, bla CTX-M, bla SHV, bla OXA-1-like, bla PER, bla VIM, bla IMP, bla KPC, bla GES, bla OXA-48-like), plasmid-mediated AmpC beta-lactamase genes (bla EBC, bla ACC, bla FOX, bla CIT), tetracycline resistance genes (tetA, tetB, tetD, tetM), chloramphenicol resistance gene (catII), and sulfonamide resistance gene (sulII) in Enterobacteriaceae isolates from Tsomo and Tyhume rivers.
The Novel CarbaLux Test for Carbapenemases and Carbapenem Deactivating AmpC Beta-Lactamases.
The CarbaLux test was developed to rapidly detect carbapenemase-producing bacteria, including various OXA-type carbapenemases (OXA-23, OXA-24/40, OXA-48, OXA-181) and other carbapenemases (KPC, NDM, VIM, IMP-1, OXA-58). It also detects hyper-produced AmpC beta-lactamases, which deactivate carbapenems but are not detectable by previous rapid phenotypic assays.
Biofilm Production by Carbapenem-Resistant Klebsiella pneumoniae Significantly Increases the Risk of Death in Oncological Patients.
The study identifies blaKPC, blaOXA-48, and blaVIM as the primary carbapenem resistance genes in CRKP isolates, with blaKPC being the most prevalent. Strong biofilm-producing CRKP strains were associated with increased mortality in oncological patients.
Identification of a bla(VIM-1)-Carrying IncA/C(2) Multiresistance Plasmid in an Escherichia coli Isolate Recovered from the German Food Chain.
The study identifies a bla(VIM-1)-carrying IncA/C2 plasmid in an E. coli isolate from pork, highlighting the potential spread of carbapenemase-producing Enterobacteriaceae in the food chain.
Genome-Based Analyses of Fitness Effects and Compensatory Changes Associated with Acquisition of bla (CMY)-, bla (CTX-M)-, and bla (OXA-48/VIM-1)-Containing Plasmids in Escherichia coli.
The study identified bla CMY-16, bla CTX-M-14, and bla CMY-2 as beta-lactamase genes that conferred resistance to beta-lactam antibiotics in Escherichia coli. Mutations in sspA and oxyR were associated with fitness gains in transconjugants.
Molecular Epidemiology and Characterization of Carbapenem-Resistant Klebsiella pneumoniae Isolated from Urine at a Teaching Hospital in Taiwan.
The study identified several AMR genes and mutations contributing to carbapenem resistance in K. pneumoniae isolates from urine, including bla TEM, bla SHV, bla CTX-M, bla DHA, bla KPC, bla VIM, and mutations in ompK35 and ompK36.
Epidemic Territorial Spread of IncP-2-Type VIM-2 Carbapenemase-Encoding Megaplasmids in Nosocomial Pseudomonas aeruginosa Populations.
The study identified the VIM-2 carbapenemase-encoding IncP-2-type megaplasmids in nosocomial Pseudomonas aeruginosa isolates, highlighting their role in the epidemic spread of multidrug resistance.
Interplay between ESKAPE Pathogens and Immunity in Skin Infections: An Overview of the Major Determinants of Virulence and Antibiotic Resistance.
The paper discusses the major determinants of virulence and antibiotic resistance in ESKAPE pathogens, focusing on genes such as vanA, poxtA, blaZ, mecA, blaKPC-2, blaKPC-3, armA, aacA4, aadA1, acrAB, blaCTX-M, blaGES, blaPER, blaSHV, blaTEM, blaVEB, aac(3')-Ia, ant(2’)-Ia, tetA, tetB, gyrA, parC, pmrC, pmrA, and pmrB, which are associated with resistance to various antibiotics.
Prevalence, antimicrobial resistance, and genotyping of Shiga toxin-producing Escherichia coli in foods of cattle origin, diarrheic cattle, and diarrheic humans in Egypt.
The study identified carbapenemase-encoding genes (bla VIM, bla NDM-1) and extended-spectrum beta-lactamase (ESBL)-encoding genes (bla TEM, bla CTX-M1, bla OXA-1) in Shiga toxin-producing Escherichia coli (STEC) isolates from cattle and human sources in Egypt. These genes conferred resistance to various antibiotics, including carbapenems and beta-lactams.
Detection of diverse carbapenem and multidrug resistance genes and high-risk strain types among carbapenem non-susceptible clinical isolates of target gram-negative bacteria in Kenya.
The study identified various carbapenemase genes (blaNDM-1, blaNDM-5, blaVIM-1, blaVIM-6, blaOXA-23, blaOXA-58, blaOXA-66, blaOXA-69, blaOXA-91, blaOXA-181, blaOXA-50) and other resistance genes (such as armA, rmtC, rmtF, aac(3)-I, aadA1, aph(3')-Ia, aph(3')-VI, aph(3')-Via, aph(6')-Id, mphE, msrE, mphA, ereA, dfrA1, dfrA12, dfrA14, dfrA17, dfrA20, sul1, sul2, tetB, tetD, tetG, tet39, qnrVC1, qnrS1, qnrB4, floR, catA1, catA2, catB3, catB7, cmlA1, cmlA5, arr-3, arr-2, sat2, acrF, mdtM, emrD, mexA, mexE, mexX, kdeA, oxa-10, oxa-395, oxa-396, oxa-846, adc-25, dha-1, act-16, cmY, ctx-m-15, shv-67, tem-1b) in carbapenem non-susceptible clinical isolates of gram-negative bacteria in Kenya, highlighting the diversity and prevalence of multidrug resistance.
Detection of diverse carbapenem and multidrug resistance genes and high-risk strain types among carbapenem non-susceptible clinical isolates of target gram-negative bacteria in Kenya.
The study identified various carbapenemase genes (blaNDM-1, blaNDM-5, blaVIM-1, blaVIM-6, blaOXA-23, blaOXA-58, blaOXA-66, blaOXA-69, blaOXA-91, blaOXA-181, blaOXA-50) and other resistance genes (such as armA, rmtC, rmtF, aac(3)-I, aadA1, aph(3')-Ia, aph(3')-VI, aph(3')-Via, aph(6')-Id, mphE, msrE, mphA, ereA, dfrA1, dfrA12, dfrA14, dfrA17, dfrA20, sul1, sul2, tetB, tetD, tetG, tet39, qnrVC1, qnrS1, qnrB4, floR, catA1, catA2, catB3, catB7, cmlA1, cmlA5, arr-3, arr-2, sat2, acrF, mdtM, emrD, mexA, mexE, mexX, kdeA, oxa-10, oxa-395, oxa-396, oxa-846, adc-25, dha-1, act-16, cmY, ctx-m-15, shv-67, tem-1b) in carbapenem non-susceptible clinical isolates of gram-negative bacteria in Kenya, highlighting the diversity and prevalence of multidrug resistance.
Faropenem reacts with serine and metallo-beta-lactamases to give multiple products.
The study characterizes the reactions of faropenem with beta-lactamases, including KPC-2, VIM-2, and L1, revealing distinct product formations and highlighting the importance of enzyme-specific interactions in determining the fate of faropenem.
The Burden of the Serious and Difficult-to-Treat Infections and a New Antibiotic Available: Cefiderocol.
The paper discusses the antibacterial mechanism of cefiderocol, highlighting its unique cell entry through a siderophore strategy and its stability against various β-lactamases. It emphasizes cefiderocol's effectiveness against multidrug-resistant Gram-negative bacteria, including carbapenem-resistant strains.
Multinational evaluation of the BioFire® FilmArray® Pneumonia plus Panel as compared to standard of care testing.
The BioFire® FilmArray® Pneumonia plus Panel outperformed standard of care testing in detecting pathogens and antibiotic resistance markers, including bla CTX-M, bla KPC, bla VIM, bla OXA-48-like, and bla IMP genes.
Prevalence of pathogenic Klebsiella pneumoniae based on PCR capsular typing harbouring carbapenemases encoding genes in Uganda tertiary hospitals.
The study identified various carbapenemase-encoding genes including bla_OXA-48-like, bla_VIM, bla_IMP, bla_KPC, and bla_NDM in Klebsiella pneumoniae isolates from Ugandan tertiary hospitals, highlighting the prevalence of carbapenem resistance.
Antimicrobial Susceptibility Profiles To Predict the Presence of Carbapenemase Genes among Carbapenem-Resistant Pseudomonas aeruginosa Isolates.
The study identifies bla VIM, bla KPC, bla IMP, and bla NDM as carbapenemase genes associated with carbapenem-resistant Pseudomonas aeruginosa (CRPA) isolates. These genes were detected in CRPA isolates and were linked to reduced susceptibility to carbapenems.
Characterization of antimicrobial-resistant Gram-negative bacteria that cause neonatal sepsis in seven low- and middle-income countries.
The study identifies various AMR genes, including bla CTX-M-15, bla NDM-1, bla NDM-5, bla NDM-7, bla OXA-181, bla OXA-232, bla VIM-2, and bla VIM-6, which confer resistance to multiple antibiotics in Gram-negative bacteria causing neonatal sepsis in low- and middle-income countries.
Characterization of antimicrobial-resistant Gram-negative bacteria that cause neonatal sepsis in seven low- and middle-income countries.
The study identifies various AMR genes, including bla CTX-M-15, bla NDM-1, bla NDM-5, bla NDM-7, bla OXA-181, bla OXA-232, bla VIM-2, and bla VIM-6, which confer resistance to multiple antibiotics in Gram-negative bacteria causing neonatal sepsis in low- and middle-income countries.
Clonal Dissemination of KPC-2, VIM-1, OXA-48-Producing Klebsiella pneumoniae ST147 in Katowice, Poland.
The study identified the presence of bla KPC-2, bla OXA-48, bla VIM-1, and bla CTX-M-15 genes in all 15 K. pneumoniae isolates, indicating resistance to carbapenems and other beta-lactam antibiotics.
Multicentre study of the burden of multidrug-resistant bacteria in the aetiology of infected diabetic foot ulcers.
The study identified various AMR genes including bla CTX-M, bla TEM, bla SHV, mecA, bla VIM, bla KPC, and bla NDM in multidrug-resistant bacteria causing infected diabetic foot ulcers. These genes conferred resistance to beta-lactams, carbapenems, and other antibiotics.
Antimicrobial drug resistant non-typhoidal Salmonella enterica in commercial poultry value chain in Chitwan, Nepal.
The study identified high prevalence of antimicrobial resistance in non-typhoidal Salmonella enterica isolates from poultry and environmental samples in Nepal, with tetA, QnrS, mefA, and VIM-1 genes detected.
Genetic mechanisms and correlated risk factors of antimicrobial-resistant ESKAPEE pathogens isolated in a tertiary hospital in Malaysia.
The study identified several AMR genes and mutations in ESKAPEE pathogens, including vanA, vanB, blaTEM, blaSHV, blaCTX-M, blaOXA, blaVEB, blaVIM, blaNDM, aac(6')-Ib, aadB, ermC, qnrS1, and gyrA mutations, highlighting the prevalence of multidrug resistance in these isolates.
Metagenome of a polluted river reveals a reservoir of metabolic and antibiotic resistance genes.
The study identified a diverse range of antibiotic resistance genes in the Yamuna River, including metallo-beta-lactamases such as bla NDM-1, bla NDM-8, and others, indicating a significant reservoir of resistance in the river's microbial community.
Screening of Antimicrobial Resistance Genes and Epidemiological Features in Hospital and Community-Associated Carbapenem-Resistant Pseudomonas aeruginosa Infections.
The study identified several carbapenem resistance genes, including blaVEB, blaPER, blaNDM, blaKPC, blaIMP, blaVIM, blaOXA-48, and blaOXA-23, in carbapenem-resistant Pseudomonas aeruginosa isolates.
Carriage of two carbapenem-resistance genes in Pseudomonas aeruginosa isolated from hospital-acquired infections in children from Costa Rica: the importance of local epidemiology.
The study identifies the presence of bla VIM-2 and bla IMP-18 alleles in carbapenem-resistant Pseudomonas aeruginosa isolates from children in Costa Rica, highlighting the need for improved diagnostic methods to detect these resistance genes.
The Direct Semi-Quantitative Detection of 18 Pathogens and Simultaneous Screening for Nine Resistance Genes in Clinical Urine Samples by a High-Throughput Multiplex Genetic Detection System.
The study presents a high-throughput multiplex genetic detection system (UTI-HMGS) capable of semi-quantitative detection of 18 uropathogens and simultaneous screening for nine antibiotic resistance genes directly from clinical urine samples within 4 hours. The system demonstrated high sensitivity and specificity for the detection of uropathogens and resistance genes, with improved detection rates for several important uropathogens compared to conventional culture methods.
Evaluation of Xpert Carba-R Assay for the Detection of Carbapenemase Genes in Gram-Negative Bacteria.
The Xpert Carba-R assay demonstrates 100% precision in identifying carbapenemase genes in Gram-negative bacteria, making it an effective tool for early clinical detection.
Multimodal Interventions to Prevent and Control Carbapenem-Resistant Enterobacteriaceae and Extended-Spectrum β-Lactamase Producer-Associated Infections at a Tertiary Care Hospital in Egypt.
The study identified several carbapenemase genes (bla KPC, bla NDM, bla VIM, bla OXA-48, bla IMP) and extended-spectrum β-lactamase genes (bla CTX-m, bla TEM, bla SHV) in CRE and ESBL-producing isolates, highlighting the prevalence of these resistance mechanisms in a tertiary care hospital in Egypt.
Detection and characterization of carbapenem resistant Gram-negative bacilli isolates recovered from hospitalized patients at Soba University Hospital, Sudan.
The study identified blaNDM as the most prevalent carbapenemase gene among carbapenem-resistant Gram-negative bacilli isolates from Soba University Hospital, Sudan. Other detected carbapenemase genes included blaIMP, blaOXA-48, and blaVIM.
In vitro activity of imipenem/relebactam, meropenem/vaborbactam, ceftazidime/avibactam, cefepime/zidebactam and other novel antibiotics against imipenem-non-susceptible Gram-negative bacilli from Taiwan.
The study evaluated the in vitro activity of several novel antibiotics against imipenem-non-susceptible Gram-negative bacilli, highlighting the effectiveness of β-lactam/BLI-BLE combinations against isolates with various carbapenemase genes.
Usefulness of BioFire FilmArray BCID2 for Blood Culture Processing in Clinical Practice.
The BCID2 assay effectively detects resistance genes such as bla CTX-M, bla OXA-48-like, and bla VIM in blood culture specimens, aiding in the rapid identification of resistant pathogens.
Evolution of VIM-1-Producing Klebsiella pneumoniae Isolates from a Hospital Outbreak Reveals the Genetic Bases of the Loss of the Urease-Positive Identification Character.
The study identifies the blaVIM-1 gene as a key factor in carbapenem resistance in Klebsiella pneumoniae isolates from a hospital outbreak. Additionally, a deletion in the mgrB gene was found to confer colistin resistance.
Antibiotic-Resistant Bacteria in Clams-A Study on Mussels in the River Rhine.
The study identified the carbapenemase gene blaVIM in a Pseudomonas aeruginosa isolate from river water downstream of a municipal STP, indicating resistance to carbapenems.
Detection of carbapenemase producing enterobacteria using an ion sensitive field effect transistor sensor.
The study evaluated the effectiveness of an ion-sensitive field-effect transistor (ISFET) sensor for detecting carbapenemase-producing enterobacteria. It successfully identified various carbapenemase genes including blaNDM-1, blaVIM-1, blaIMP-1, blaKPC-2, blaNMC-A, and blaOXA-48 in different bacterial strains.
Detection of carbapenemase producing enterobacteria using an ion sensitive field effect transistor sensor.
The study evaluated the effectiveness of an ion-sensitive field-effect transistor (ISFET) sensor for detecting carbapenemase-producing enterobacteria. It successfully identified various carbapenemase genes including blaNDM-1, blaVIM-1, blaIMP-1, blaKPC-2, blaNMC-A, and blaOXA-48 in different bacterial strains.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-β-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-β-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
Metallo-beta-lactamases in the Age of Multidrug Resistance: From Structure and Mechanism to Evolution, Dissemination, and Inhibitor Design.
This review discusses the role of metallo-beta-lactamases (MBLs) in multidrug resistance, focusing on their structure, mechanism, and contribution to resistance against β-lactam antibiotics. It highlights the importance of MBLs in the spread of resistance and the challenges they pose for inhibitor design.
One-Step Detection and Classification of Bacterial Carbapenemases in 10 Minutes Using Fluorescence Identification of β-Lactamase Activity.
The study presents a novel assay called FIBA for the rapid detection and classification of bacterial carbapenemases. It identifies various carbapenemase types including KPC, SME, NMC-A, NDM, VIM, IMP, and OXA, demonstrating high sensitivity and specificity.
Exploring the Global Spread of Klebsiella grimontii Isolates Possessing blaVIM-1 and mcr-9.
The study identifies blaVIM-1 and mcr-9 genes in Klebsiella grimontii isolates, highlighting their role in carbapenem and colistin resistance, respectively.
Aspergillomarasmine A inhibits metallo-β-lactamases by selectively sequestering Zn(2+).
Aspergillomarasmine A (AMA) inhibits metallo-β-lactamases (MBLs) by selectively sequestering Zn(2+), thereby reversing carbapenem resistance in bacteria expressing blaNDM-1, blaNDM-6, blaVIM-2, and blaIMP-7.
Antibiotic Susceptibility, Virulome, and Clinical Outcomes in European Infants with Bloodstream Infections Caused by Enterobacterales.
The study identified various AMR genes, including blaTEM, blaSHV, blaCTX-M, blaVIM-12, and mcr-9, in Enterobacterales isolates from European infants with bloodstream infections. These genes conferred resistance to multiple antibiotics, highlighting the complexity of AMR in this context.
A Novel Cooperative Metallo-β-Lactamase Fold Metallohydrolase from Pathogen Vibrio vulnificus Exhibits β-Lactam Antibiotic-Degrading Activities.
The study identifies and characterizes a novel metallo-β-lactamase fold metallohydrolase (Vmh) from Vibrio vulnificus that exhibits broad-spectrum β-lactam antibiotic-degrading activities.
Practical Agar-Based Disk Diffusion Tests Using Sulfamoyl Heteroarylcarboxylic Acids for Identification of Subclass B1 Metallo-beta-lactamase-Producing Enterobacterales.
The study developed agar-based disk diffusion tests using sulfamoyl heteroarylcarboxylic acids (SFC and SPC) to identify subclass B1 metallo-beta-lactamase-producing Enterobacterales. These tests effectively detected resistance conferred by blaIMP-1, blaNDM-1, and blaVIM-2 genes.
Global Distribution Patterns of Carbapenemase-Encoding Bacteria in a New Light: Clues on a Role for Ethnicity.
The study identifies various carbapenemase-encoding bacteria, including KPC, VIM, NDM, OXA-23, and OXA-48, and explores their distribution patterns in relation to ethnicity and residency.
QPX7728, An Ultra-Broad-Spectrum B-Lactamase Inhibitor for Intravenous and Oral Therapy: Overview of Biochemical and Microbiological Characteristics.
QPX7728 is a novel β-lactamase inhibitor with broad-spectrum activity against serine and metallo-β-lactamases, including Class A, C, D, and B enzymes. It effectively inhibits clinically relevant β-lactamases such as KPC-2, CTX-M-15, SHV-12, TEM-43, OXA-48, OXA-23, NDM-1, and VIM-1.
Activity of meropenem/vaborbactam and comparators against Gram-negative isolates from Eastern and Western European patients hospitalized with pneumonia including ventilator-associated pneumonia (2014-19).
The study characterizes various carbapenemase genes, including bla KPC-3, bla KPC-2, bla KPC-12, bla VIM-like, bla NDM-1, and bla OXA-48-like, which confer resistance to carbapenems in Enterobacterales and Pseudomonas aeruginosa isolates from European hospitals.
Detection of expanded-spectrum cephalosporin hydrolysis by lateral flow immunoassay.
The LFIA-CTX test effectively detects expanded-spectrum cephalosporin hydrolysis by various beta-lactamases, including CTX-M, OXA-48, KPC, NDM, and VIM, demonstrating high sensitivity and specificity.
Molecular characterisation of an Acinetobacter baumannii outbreak.
The study identified various carbapenemase genes including blaOXA-23, blaNDM-1, blaNDM-2, blaVIM-2, and blaVIM-1, along with multiple OXA-51-like variants such as OXA-66, OXA-65, OXA-68, OXA-69, OXA-70, OXA-88, OXA-94, OXA-98, and OXA-424, which conferred resistance to carbapenems in Acinetobacter baumannii isolates during an outbreak in Egypt.
Molecular characterisation of an Acinetobacter baumannii outbreak.
The study identified various carbapenemase genes including blaOXA-23, blaNDM-1, blaNDM-2, blaVIM-2, and blaVIM-1, along with multiple OXA-51-like variants such as OXA-66, OXA-65, OXA-68, OXA-69, OXA-70, OXA-88, OXA-94, OXA-98, and OXA-424, which conferred resistance to carbapenems in Acinetobacter baumannii isolates during an outbreak in Egypt.
Detection and Characterization of VIM-52, a New Variant of VIM-1 from a Klebsiella pneumoniae Clinical Isolate.
The study characterizes VIM-52, a new variant of VIM-1, identified in a Klebsiella pneumoniae clinical isolate. VIM-52 conferred lower MICs to cefepime and ceftazidime compared to VIM-1. Site-directed mutagenesis and kinetic analysis showed that the H224R substitution in VIM-52 affected substrate specificity and catalytic efficiency.
Molecular study of metallo-β-lactamases and integrons in Acinetobacter baumannii isolates from burn patients.
High prevalence of MBLs genes, especially blaVIM, was identified in MDR A. baumannii isolates. Most of the strains carried class 1 integrons, and gene cassettes arrays including cmlA5 and cmlA7 were detected for the first time in A. baumannii strains in Iran.
Genomic characterization of carbapenem-non-susceptible Pseudomonas aeruginosa in Singapore.
The study identified multiple carbapenemase genes (blaIMP, blaNDM-1, blaVIM, blaGES-5, blaKPC-2) and chromosomal mutations (ampD, ampR, dacB, mexZ, armZ, nalD, oprD, gyrA, parC) associated with carbapenem resistance in Pseudomonas aeruginosa isolates from Singapore.
Emergence and Genetic Characterization of Plasmid-Encoded VIM-2-Producing Pseudomonas stutzeri with Novel Integron In1998 Isolated from Cerebrospinal Fluid.
The study identifies a novel plasmid-encoded VIM-2-producing Pseudomonas stutzeri strain, ZDHY95, with a complex genetic arrangement including a novel class I integron In1998 and various resistance genes such as blaVIM-2, aacA3, aadA13, cmlA8, blaOXA-246, arr3, dfrA27, qacEΔ1, sul1, aacA4'-30, aacA4', qnrVC1, catB11, blaCARB-4.
Multiplex lateral flow immunochromatographic assay is an effective method to detect carbapenemases without risk of OXA-48-like cross reactivity.
The study evaluates the NG-Test® CARBA 5 assay for detecting carbapenemases in Enterobacterales, showing high sensitivity and specificity. It identifies bla KPC, bla OXA-48-like, bla NDM, bla VIM, bla IMP, bla IMI, and bla SME as the main carbapenemase genes detected.
Virulence and Antibiotic Resistance Characteristics of Vibrio Isolates From Rustic Environmental Freshwaters.
The study identified several antibiotic resistance genes in Vibrio isolates from environmental freshwater sources, including aadA, strA, aphA1, catII, ampC, blaTEM, blaGES, blaOXA-48, blaIMP, blaVIM, blaKPC, and qnrVC, indicating a significant risk of antimicrobial resistance in these bacteria.
Emergence of blaNDM-1 and blaVIM producing Gram-negative bacilli in ventilator-associated pneumonia at AMR Surveillance Regional Reference Laboratory in India.
The study identifies blaNDM and blaVIM genes as the primary resistance mechanisms in carbapenem-resistant Gram-negative bacilli causing ventilator-associated pneumonia in India.
Genetic Diversity of Multidrug-Resistant Pseudomonas aeruginosa Isolates Carrying bla (VIM-2) and bla (KPC-2) Genes That Spread on Different Genetic Environment in Colombia.
The study identifies bla(VIM-2) and bla(KPC-2) genes in multidrug-resistant Pseudomonas aeruginosa isolates from Colombia, highlighting their diverse genetic environments and mechanisms of resistance.
Prevalence of multidrug-resistance and bla (VIM) and bla (IMP) genes among gram-negative clinical isolates in tertiary care hospital, Kathmandu, Nepal.
The study identified the prevalence of bla(VIM) and bla(IMP) genes among multidrug-resistant gram-negative clinical isolates in a tertiary care hospital in Kathmandu, Nepal.
Genomic surveillance of Pseudomonas aeruginosa in the Philippines, 2013-2014.
The study identified several AMR genes and mutations in Pseudomonas aeruginosa isolates from the Philippines, including bla VIM-2, bla VIM-6, bla NDM-1, bla IMP-26, aac(6')-Ib, aac(6')-Ib4, aac(6')-IIa, aac(6')-31, ant(2")-Ia, aadA1, acc(6')-Ib, qnrVC, gyrA, parC, oprD, nalC, and nalD. These genes and mutations were associated with resistance to carbapenems, aminoglycosides, and fluoroquinolones.
Genomic surveillance of Pseudomonas aeruginosa in the Philippines, 2013-2014.
The study identified several AMR genes and mutations in Pseudomonas aeruginosa isolates from the Philippines, including bla VIM-2, bla VIM-6, bla NDM-1, bla IMP-26, aac(6')-Ib, aac(6')-Ib4, aac(6')-IIa, aac(6')-31, ant(2")-Ia, aadA1, acc(6')-Ib, qnrVC, gyrA, parC, oprD, nalC, and nalD. These genes and mutations were associated with resistance to carbapenems, aminoglycosides, and fluoroquinolones.
The Epidemiology, Virulence and Antimicrobial Resistance of Invasive Klebsiella pneumoniae at a Children's Medical Center in Eastern China.
The study identified multiple beta-lactam resistance genes, including bla SHV-11, bla FOX-1, bla ACT-1, bla CTX-M-14, bla TEM-1, bla VIM-1, bla NDM-1, bla KPC-2, and bla OXA-1, in invasive Klebsiella pneumoniae isolates. Additionally, hypervirulence genes such as iroB, p rmpA, mrkD, wabG, Uge, fimH, and ycfM were prevalent.
High prevalence of multidrug-resistant non-fermentative Gram-negative bacilli harboring bla (IMP-1) and bla (VIM-1) metallo-beta-lactamase genes in Birjand, south-east Iran.
The study identified blaIMP-1 and blaVIM-1 metallo-beta-lactamase genes in multidrug-resistant non-fermentative Gram-negative bacilli, particularly in Acinetobacter baumannii and Pseudomonas aeruginosa, highlighting the significance of these genes in carbapenem resistance.
Detection and Characterization of Targeted Carbapenem-Resistant Health Care-Associated Threats: Findings from the Antibiotic Resistance Laboratory Network, 2017 to 2019.
The study identified the prevalence of targeted carbapenemase genes (bla KPC, bla NDM, bla OXA-48-like, bla VIM, and bla IMP) in carbapenem-resistant Enterobacterales, Pseudomonas aeruginosa, and Acinetobacter baumannii. bla KPC was the most common gene detected in CRE isolates, while bla VIM was prevalent in CP-CRPA isolates. Regional variations in the frequency of these genes were observed.
OXA-48 Carbapenemase-Encoding Transferable Plasmids of Klebsiella pneumoniae Recovered from Egyptian Patients Suffering from Complicated Urinary Tract Infections.
The study identified the presence of carbapenemase genes, including bla OXA-48, bla VIM, bla KPC, and bla NDM, in carbapenem-resistant Gram-negative bacteria from Egyptian patients with complicated urinary tract infections. These genes were successfully transferred to E. coli, demonstrating their potential for horizontal gene transfer.
Environmental and Pathogenic Carbapenem Resistant Bacteria Isolated from a Wastewater Treatment Plant Harbour Distinct Antibiotic Resistance Mechanisms.
The study identified various carbapenem resistance genes, including blaKPC, blaOXA-48, and blaVIM, in pathogenic bacteria isolated from wastewater treatment plants, highlighting the diverse resistance mechanisms in these isolates.
Occurrence of NDM-1 and VIM-2 Co-Producing Escherichia coli and OprD Alteration in Pseudomonas aeruginosa Isolated from Hospital Environment Samples in Northwestern Tunisia.
The study identifies NDM-1 and VIM-2 co-producing E. coli and OprD alterations in P. aeruginosa, highlighting the emergence of multidrug-resistant Gram-negative bacteria in hospital environments in Tunisia.
Application of a multiplex immunochromatographic assay for rapid identification of carbapenemases in a clinical microbiology laboratory: performance and turn-around-time evaluation of NG-test Carba 5.
The Carba 5 assay effectively identifies five major carbapenemases (KPC, NDM, VIM, IMP, and OXA-48-like) with high sensitivity and specificity, offering a faster turnaround time compared to Xpert Carba-R.
Performance Evaluation of the Gradient Diffusion Strip Method and Disk Diffusion Method for Ceftazidime-Avibactam Against Enterobacterales and Pseudomonas aeruginosa: A Dual-Center Study.
The study evaluated the performance of the gradient diffusion strip method and disk diffusion method for determining susceptibility to ceftazidime-avibactam against Enterobacterales and Pseudomonas aeruginosa. It identified various carbapenemase genes, including bla KPC, bla NDM, bla IMP, and bla VIM, which confer resistance to ceftazidime-avibactam.
Analysis of Carbapenemase-Resistant Genotypes of Highly Virulent Klebsiella pneumoniae and Clinical Infection Characteristics of Different MLST Types.
The study identified KPC, IMP, VIM, and NDM carbapenemase genes in 74 CR-KP strains, with KPC being the most prevalent. ST11 was the dominant MLST type and was associated with higher resistance to carbapenems and poorer patient outcomes.
Using Cy5-dUTP labelling of RPA-amplicons with downstream microarray analysis for the detection of antibiotic resistance genes.
The study describes a novel method for detecting antibiotic resistance genes using Cy5-dUTP labeling of RPA-amplicons followed by microarray analysis. It successfully identified bla CTX-M15, bla KPC, bla NDM, and bla VIM genes in E. coli and P. aeruginosa.
In vitro activity of imipenem/relebactam against Gram-negative clinical isolates in two Spanish tertiary hospitals.
Imipenem/relebactam showed high activity against KPC carbapenemase-producing Enterobacterales and against carbapenem-resistant P. aeruginosa without VIM enzymes, but had limited effectiveness against OXA-48 and A. baumannii.
Multidrug Resistant Acinetobacter baumannii Biofilms: Evaluation of Phenotypic-Genotypic Association and Susceptibility to Cinnamic and Gallic Acids.
The study identified bla VIM and bla OXA-23 genes as significant contributors to carbapenem resistance in multidrug-resistant Acinetobacter baumannii isolates. Additionally, biofilm-related genes omp A, bap, and csu E were associated with enhanced biofilm formation.
National surveillance pilot study unveils a multicenter, clonal outbreak of VIM-2-producing Pseudomonas aeruginosa ST111 in the Netherlands between 2015 and 2017.
The study identified a clonal outbreak of VIM-2-producing Pseudomonas aeruginosa ST111 in the Netherlands, highlighting the importance of national surveillance for tracking the spread of carbapenemase-producing strains.
Successful treatment of Verona integron-encoded metallo-beta-lactamase-producing Klebsiella pneumoniae infection using the combination of ceftazidime/avibactam and aztreonam.
The study reports successful treatment of a Verona integron-encoded metallo-beta-lactamase (VIM)-producing Klebsiella pneumoniae infection using the combination of ceftazidime/avibactam and aztreonam.
Prevalence and characterisation of carbapenemase encoding genes in multidrug-resistant Gram-negative bacilli.
The study identified various carbapenemase genes, including bla KPC, bla NDM, bla VIM, bla IMP, and bla OXA-48, in multidrug-resistant Gram-negative bacilli, highlighting their prevalence and contribution to carbapenem resistance.
Geographic Patterns of Carbapenem-Resistant Pseudomonas aeruginosa in the Asia-Pacific Region: Results from the Antimicrobial Testing Leadership and Surveillance (ATLAS) Program, 2015-2019.
The study identified various carbapenemase genes, including blaVIM, blaNDM, blaVEB, blaIMP, blaGES, blaTEM, and blaKPC, in carbapenem-resistant Pseudomonas aeruginosa isolates from the Asia-Pacific region.
Genomic Characterization of Imipenem- and Imipenem-Relebactam-Resistant Clinical Isolates of Pseudomonas aeruginosa.
The study identifies AAC(6')-Iag and VIM-4 as resistance genes in Pseudomonas aeruginosa, and mutations in oprD as a mechanism for imipenem resistance.
CRISPR Element Patterns vs. Pathoadaptability of Clinical Pseudomonas aeruginosa Isolates from a Medical Center in Moscow, Russia.
The study identified multiple antibiotic resistance genes in clinical Pseudomonas aeruginosa isolates, including blaVIM-2, blaOXA-396, blaOXA-488, floR, tetG, sul1, dfrA5, dfrB2, dfrB5, aph(3)-Ib, blaPAO, catB7, and fosA, which confer resistance to various antibiotics such as beta-lactams, chloramphenicol, tetracycline, sulfonamides, trimethoprim, aminoglycosides, and fosfomycin.
Characteristics of Carbapenem-Resistant Gram-Negative Bacilli in Patients with Ventilator-Associated Pneumonia.
The study identified blaNDM, blaVIM, blaSPM, blaIMP, and blaGIM carbapenem resistance genes in carbapenem-resistant Gram-negative bacilli from patients with ventilator-associated pneumonia, with blaNDM being the most prevalent.
High Rates of Aminoglycoside Methyltransferases Associated with Metallo-Beta-Lactamases in Multidrug-Resistant and Extensively Drug-Resistant Pseudomonas aeruginosa Clinical Isolates from a Tertiary Care Hospital in Egypt.
The study identifies high rates of aminoglycoside methyltransferases (rmtB, armA, rmtF) and metallo-beta-lactamases (bla NDM, bla VIM) in multidrug-resistant and extensively drug-resistant Pseudomonas aeruginosa isolates from Egypt.
Carbapenem-Resistant Citrobacter spp. as an Emerging Concern in the Hospital-Setting: Results From a Genome-Based Regional Surveillance Study.
The study identifies various carbapenemase genes, including bla KPC-2, bla OXA-48, bla VIM-1, bla NDM-5, bla OXA-162, and bla KPC-3, in Citrobacter spp. isolates, highlighting their role in carbapenem resistance.
High Prevalence of Klebsiella pneumoniae Infections in AnHui Province: Clinical Characteristic and Antimicrobial Resistance.
The study identified carbapenemase genes KPC-2, NDM-1, VIM-1, IMP-1, and OXA-48 in hypervirulent Klebsiella pneumoniae isolates, highlighting the high prevalence of carbapenem-resistant strains in Anhui province.
Clinical outcomes, molecular epidemiology and resistance mechanisms of multidrug-resistant Pseudomonas aeruginosa isolated from bloodstream infections from Qatar.
The study identified several AMR genes and mutations in MDR P. aeruginosa isolates from Qatar, including blaVIM, blaOXA-50, aac(6')-Ib, aadA, ant(2')-Ia, aph(3')-IIb, qnrS1, crpP, gyrA(T83I), parC(S83I), parE(A473V), pbp3(D350N, S357N), and ompK37(M70I, M128I). These resistance mechanisms contribute to the multidrug-resistant phenotype observed in the isolates.
Clonal groups of extended-spectrum beta-lactamase and biofilm producing uropathogenic Escherichia coli in Iran.
The study identified various beta-lactamase genes, including bla TEM, bla CTX-M, bla OXA-1, bla IMP, bla VIM, bla KPC, and bla OXA-48, in biofilm-producing uropathogenic Escherichia coli strains from Iran, highlighting their role in multidrug resistance.
Comparison of novel rapid diagnostic of blood culture identification and antimicrobial susceptibility testing by Accelerate Pheno system and BioFire FilmArray Blood Culture Identification and BioFire FilmArray Blood Culture Identification 2 panels.
The study evaluated the performance of the Accelerate Pheno system, BioFire FilmArray BCID, and BCID2 panels for rapid blood culture identification and antimicrobial susceptibility testing. It identified several AMR genes including bla KPC, bla NDM, bla OXA-48, bla VIM, bla IMP, mecA, vanA, vanB, mcr-1, and CTX-M, which confer resistance to carbapenems, beta-lactams, glycopeptides, polymyxins, and cephalosporins.
Selection of AmpC beta-lactamase Variants and Metallo-beta-lactamases Leading to Ceftolozane/Tazobactam and Ceftazidime/Avibactam Resistance during Treatment of MDR/XDR Pseudomonas aeruginosa Infections.
The study identifies several AmpC beta-lactamase variants and metallo-beta-lactamases (VIM-2, IMP-13, IMP-28) that confer resistance to ceftolozane/tazobactam and ceftazidime/avibactam in MDR/XDR Pseudomonas aeruginosa isolates.
Undetectable Production of the VIM-1 Carbapenemase in an Atlantibacter hermannii Clinical Isolate.
The study identified the bla VIM-1 gene in Atlantibacter hermannii, which had undetectable carbapenemase activity. The gene was located on an IncA plasmid and was found to be expressed at lower levels compared to Enterobacter hormaechei ssp. hoffmannii. Exposure to imipenem led to the selection of a mutant with increased carbapenem resistance and detectable carbapenemase activity due to gene duplication.
Specificities and Commonalities of Carbapenemase-Producing Escherichia coli Isolated in France from 2012 to 2015.
The study characterizes the diversity of carbapenemase-producing Escherichia coli isolates in France, identifying key resistance genes such as bla OXA-48, bla OXA-181, bla NDM-1, bla NDM-5, bla VIM-1, bla VIM-4, bla KPC-2, bla KPC-3, and mcr-9. It highlights the role of mutations in ftsI, ompC, gyrA, and parC in reducing susceptibility to β-lactams and fluoroquinolones.
Specificities and Commonalities of Carbapenemase-Producing Escherichia coli Isolated in France from 2012 to 2015.
The study characterizes the diversity of carbapenemase-producing Escherichia coli isolates in France, identifying key resistance genes such as bla OXA-48, bla OXA-181, bla NDM-1, bla NDM-5, bla VIM-1, bla VIM-4, bla KPC-2, bla KPC-3, and mcr-9. It highlights the role of mutations in ftsI, ompC, gyrA, and parC in reducing susceptibility to β-lactams and fluoroquinolones.
Occurrence of NDM-1, VIM-1, and OXA-10 Co-Producing Providencia rettgeri Clinical Isolate in China.
The study reports a Providencia rettgeri clinical isolate co-harboring blaNDM-1, blaVIM-1, and blaOXA-10, which conferred resistance to multiple antibiotics including carbapenems, ceftazidime-avibactam, and aminoglycosides.
Plethora of Resistance Genes in Carbapenem-Resistant Gram-Negative Bacteria in Greece: No End to a Continuous Genetic Evolution.
The study identified a variety of resistance genes in carbapenem-resistant Gram-negative bacteria, including bla KPC, bla NDM, bla VIM, and others, highlighting the complex genetic diversity of these pathogens.
Genomic Characterization of Carbapenem-Non-susceptible Pseudomonas aeruginosa Clinical Isolates From Saudi Arabia Revealed a Global Dissemination of GES-5-Producing ST235 and VIM-2-Producing ST233 Sub-Lineages.
The study identified GES-5-producing ST235 and VIM-2-producing ST233 sub-lineages of Pseudomonas aeruginosa in Saudi Arabia, highlighting their global dissemination and the presence of various resistance genes including blaGES-5, blaVIM-2, and others.
Major Bloodstream Infection-Causing Bacterial Pathogens and Their Antimicrobial Resistance in South Korea, 2017-2019: Phase I Report From Kor-GLASS.
The study identified several AMR genes, including bla CTX-M–27, vanA, bla OXA–23, bla KPC, bla NDM–5, bla OXA–181, bla DHA–1, bla CMY–2, and mecA, which contribute to resistance against various antibiotics in bloodstream infection-causing pathogens in South Korea.
Dissemination Routes of Carbapenem and Pan-Aminoglycoside Resistance Mechanisms in Hospital and Urban Wastewater Canalizations of Ghana.
The study identified novel and uncommon carbapenemase/β-lactamase gene variants, including bla VIM-71, bla CARB-53, and bla DIM-1, which were associated with multidrug-resistant bacteria in wastewater samples from Ghana. The genes bla NDM-1, armA, and rmtC were also found to confer resistance to carbapenems and aminoglycosides.
Dissemination Routes of Carbapenem and Pan-Aminoglycoside Resistance Mechanisms in Hospital and Urban Wastewater Canalizations of Ghana.
The study identified novel and uncommon carbapenemase/β-lactamase gene variants, including bla VIM-71, bla CARB-53, and bla DIM-1, which were associated with multidrug-resistant bacteria in wastewater samples from Ghana. The genes bla NDM-1, armA, and rmtC were also found to confer resistance to carbapenems and aminoglycosides.
Drug Repurposing of the Unithiol: Inhibition of Metallo-β-Lactamases for the Treatment of Carbapenem-Resistant Gram-Negative Bacterial Infections.
Unithiol was identified as a competitive inhibitor of metallo-beta-lactamases NDM-1 and VIM-2, demonstrating effective inhibition of carbapenem resistance in clinical isolates of Klebsiella pneumoniae and Pseudomonas aeruginosa.
The Evaluation of Eazyplex(®) SuperBug CRE Assay Usefulness for the Detection of ESBLs and Carbapenemases Genes Directly from Urine Samples and Positive Blood Cultures.
The study evaluated the Eazyplex ® SuperBug CRE assay for the detection of ESBLs and carbapenemase genes in Gram-negative rods directly from urine samples and positive blood cultures. The assay successfully detected various beta-lactamase genes including blaCTX-M, blaTEM, blaSHV, blaNDM, and blaVIM.
Evaluation of the VITEK2 AST-XN17 card for the detection of carbapenemase-producing Enterobacterales in isolates primarily producing metallo β-lactamase.
The study evaluates the effectiveness of the VITEK2 AST-XN17 card in detecting carbapenemase-producing Enterobacterales (CPE) and identifies several carbapenemase genes, including blaIMP-6, blaIMP-1, blaIMP-34, blaGES-4, and others, which confer resistance to carbapenems.
Activity of imipenem/relebactam on Klebsiella pneumoniae with different mechanisms of imipenem non-susceptibility.
Relebactam restored imipenem susceptibility in K. pneumoniae isolates with bla KPC and AmpC but not in those with MBLs. Impaired porin expression and efflux pump activity contributed to imipenem resistance.
Whole-genome sequencing for the characterization of resistance mechanisms and epidemiology of colistin-resistant Acinetobacter baumannii.
The study identified several beta-lactam resistance genes, including ADC-18, OXA-133, OXA-23, OXA-66, TEM-1, VIM-2, and RND efflux pumps (adeI, adeJ, adeK, adeN) in colistin-resistant Acinetobacter baumannii strains.
VIM-encoding Inc(pSTY) plasmids and chromosome-borne integrative and mobilizable elements (IMEs) and integrative and conjugative elements (ICEs) in Pseudomonas.
The study characterizes blaVIM-2 and blaVIM-4 genes carried by various mobile genetic elements (MGEs) in Pseudomonas species, highlighting their role in carbapenem resistance and horizontal gene transfer.
VIM-encoding Inc(pSTY) plasmids and chromosome-borne integrative and mobilizable elements (IMEs) and integrative and conjugative elements (ICEs) in Pseudomonas.
The study characterizes blaVIM-2 and blaVIM-4 genes carried by various mobile genetic elements (MGEs) in Pseudomonas species, highlighting their role in carbapenem resistance and horizontal gene transfer.
The occurrence of antibiotic-resistant bacteria on the clothes of nursery teachers in daycare centres.
The study identified various beta-lactamase genes, including bla CTX-M1, bla CTX-M9, bla OXA-48, and others, in bacterial isolates from nursery teachers' clothing, indicating the presence of antibiotic-resistant bacteria.
Comparing Long-Read Assemblers to Explore the Potential of a Sustainable Low-Cost, Low-Infrastructure Approach to Sequence Antimicrobial Resistant Bacteria With Oxford Nanopore Sequencing.
The study identifies the presence of the bla KPC gene in Klebsiella pneumoniae isolates using long-read sequencing, highlighting its role in carbapenem resistance.
Global population structure of the Serratia marcescens complex and identification of hospital-adapted lineages in the complex.
The study identified multiple antimicrobial resistance (AMR) genes and mutations in the Serratia marcescens complex, highlighting the presence of hospital-adapted lineages with a high prevalence of multidrug-resistant (MDR) strains. Key AMR genes include blaCTX-M, blaNDM, blaOXA, qnrS1, tet(A), aac(6')-Ib, mph(A), erm(B), aadA, floR, sul1, and dfrA12, which confer resistance to various antibiotics such as beta-lactams, fluoroquinolones, tetracyclines, aminoglycosides, macrolides, florfenicol, sulfonamides, and trimethoprim.
Increasing Trends of Association of 16S rRNA Methylases and Carbapenemases in Enterobacterales Clinical Isolates from Switzerland, 2017-2020.
The study identified a high prevalence of 16S rRNA methylases (ArmA, RmtF, RmtB, RmtC, RmtG) and carbapenemases (NDM-1, NDM-5, KPC-2, KPC-3, OXA-48, OXA-181, OXA-232, VIM-1, VIM-2) in carbapenem- and aminoglycoside-resistant Enterobacterales isolates from Switzerland, highlighting the increasing trends of their association.
Increasing Trends of Association of 16S rRNA Methylases and Carbapenemases in Enterobacterales Clinical Isolates from Switzerland, 2017-2020.
The study identified a high prevalence of 16S rRNA methylases (ArmA, RmtF, RmtB, RmtC, RmtG) and carbapenemases (NDM-1, NDM-5, KPC-2, KPC-3, OXA-48, OXA-181, OXA-232, VIM-1, VIM-2) in carbapenem- and aminoglycoside-resistant Enterobacterales isolates from Switzerland, highlighting the increasing trends of their association.
Genetic Diversity, Distribution, and Genomic Characterization of Antibiotic Resistance and Virulence of Clinical Pseudomonas aeruginosa Strains in Kenya.
The study identified multiple AMR genes and mutations in P. aeruginosa isolates from Kenya, including carbapenemases (blaNDM-1, blaVIM-6), fluoroquinolone resistance genes (qnrVC1, crpP), aminoglycoside resistance genes (aac(3)-IId, aph(3')-Ib, ant(3'')-Ia), tetracycline resistance genes (tetA, tetG), phenicol resistance genes (floR, cmlA), sulfonamide resistance gene (sul), trimethoprim resistance gene (dfrB), glycopeptide resistance gene (ble), and macrolide resistance gene (EreA). Additionally, mutations in gyrA and parC were associated with fluoroquinolone resistance.
The European Union Summary Report on Antimicrobial Resistance in zoonotic and indicator bacteria from humans, animals and food in 2019-2020.
The report highlights the presence of various antimicrobial resistance genes such as blaVIM-1, blaTEM-1B, blaTEM-1C, and cfr in different bacterial isolates, indicating resistance to carbapenems, beta-lactams, and macrolides/lincosamides/streptogramin B.
Multiplex Digital Quantification of beta-lactamase Genes in Antibiotic-Resistant Bacteria by Counting Gold Nanoparticle Labels on Silicon Microchips.
The study presents a method for the digital quantification of beta-lactamase genes using gold nanoparticle labels on silicon microchips, demonstrating the ability to detect and quantify specific beta-lactamase genes such as blaCTX-M-3, blaCTX-M-5, blaTEM-1, and blaVIM-1 in bacterial isolates.
Prevalence and Molecular Typing of Carbapenemase-Producing Enterobacterales among Newborn Patients in Italy.
The study identified various carbapenemase genes, including bla NDM, bla KPC, bla VIM, and bla OXA-48, along with other resistance genes such as aac(6')-Ib3, aph(3')-VI, rmtC, bla CMY-6, and bla CTX-M-15, in carbapenemase-producing Enterobacterales isolated from newborn patients in Italy.
Companion Animals-An Overlooked and Misdiagnosed Reservoir of Carbapenem Resistance.
The paper reviews the prevalence of carbapenemase-producing bacteria in companion animals, highlighting the presence of various carbapenemase genes such as blaIMP-4, blaVIM-1, blaVIM-2, blaNDM-1, blaNDM-5, blaOXA-48, blaOXA-181, and blaOXA-23, which confer resistance to carbapenem antibiotics.
Companion Animals-An Overlooked and Misdiagnosed Reservoir of Carbapenem Resistance.
The paper reviews the prevalence of carbapenemase-producing bacteria in companion animals, highlighting the presence of various carbapenemase genes such as blaIMP-4, blaVIM-1, blaVIM-2, blaNDM-1, blaNDM-5, blaOXA-48, blaOXA-181, and blaOXA-23, which confer resistance to carbapenem antibiotics.
β-Lactam Antibiotics and beta-lactamase Enzymes Inhibitors, Part 2: Our Limited Resources.
The paper reviews β-lactam antibiotics and beta-lactamase enzymes inhibitors, focusing on the mechanisms of resistance mediated by beta-lactamases such as TEM-1, SHV-1, KPC-2, OXA-48, and NDM-1, and highlights the need for new inhibitors to combat carbapenem-resistant bacteria.
Genetic Characterization of Four Groups of Chromosome-Borne Accessory Genetic Elements Carrying Drug Resistance Genes in Providencia.
This study characterizes four groups of chromosome-borne accessory genetic elements (AGEs) in Providencia, highlighting the diversity and complexity of multidrug resistance (MDR) regions within these elements. It identifies numerous drug resistance genes, including beta-lactamases, aminoglycoside modifying enzymes, tetracycline resistance genes, and others, contributing to the understanding of AMR mechanisms in Providencia.
Bacterial diversity and the antimicrobial resistome in the southwestern highlands of Saudi Arabia.
The study identified 102 antimicrobial resistance genes (ARGs) in the soil microbiota of the southwestern highlands of Saudi Arabia, primarily associated with multidrug resistance, macrolide, tetracycline, glycopeptide, bacitracin, and beta-lactam antibiotic resistance. qPCR confirmed the detection of 18 clinically important ARGs.
Verification and application of a modified carbapenem inactivation method (mCIM) on Pseudomonas aeruginosa: a potential screening methodology on carbapenemases phenotype in Bacillus cereus.
The study verified the modified carbapenem inactivation method (mCIM) for detecting carbapenemase-producing Pseudomonas aeruginosa. It identified IMP, VIM, and NDM carbapenemase genes in 18 out of 88 carbapenem-resistant P. aeruginosa strains.
Detection of carbapenemases bla(OXA48)-bla(KPC)-bla(NDM)-bla(VIM) and extended-spectrum-β-lactamase bla(OXA1)-bla(SHV)-bla(TEM) genes in Gram-negative bacterial isolates from ICU burns patients.
The study identified various carbapenemase and extended-spectrum beta-lactamase genes in Gram-negative bacterial isolates from ICU burns patients, highlighting the prevalence of resistance to carbapenems and beta-lactams.
Genetic Diversity, Biofilm Formation, and Antibiotic Resistance of Pseudomonas aeruginosa Isolated from Cow, Camel, and Mare with Clinical Endometritis.
The study identified several beta-lactamase genes, including bla TEM, bla CTX-M, bla SHV, and bla VIM, in Pseudomonas aeruginosa isolates from cows, camels, and mares with endometritis. These genes contribute to resistance against various antibiotics, highlighting the emergence of multidrug-resistant strains.
KPC-3-, GES-5-, and VIM-1-Producing Enterobacterales Isolated from Urban Ponds.
The study identified bla KPC-3, bla GES-5, and bla VIM genes in various Enterobacterales isolates from urban ponds, highlighting their role in carbapenem resistance.
Genomic Surveillance of Clinical Pseudomonas aeruginosa Isolates Reveals an Additive Effect of Carbapenemase Production on Carbapenem Resistance.
The study identified several beta-lactamase genes, including bla OXA-50, bla OXA-10, bla OXA-488, bla GES-5, bla IMP-1, bla IMP-10, bla NDM-1, bla VIM-2, bla VIM-6, and bla VIM-11, as well as inactivating mutations in the porin gene oprD, which contribute to carbapenem resistance in Pseudomonas aeruginosa isolates from Pakistan.
Genomic Surveillance of Clinical Pseudomonas aeruginosa Isolates Reveals an Additive Effect of Carbapenemase Production on Carbapenem Resistance.
The study identified several beta-lactamase genes, including bla OXA-50, bla OXA-10, bla OXA-488, bla GES-5, bla IMP-1, bla IMP-10, bla NDM-1, bla VIM-2, bla VIM-6, and bla VIM-11, as well as inactivating mutations in the porin gene oprD, which contribute to carbapenem resistance in Pseudomonas aeruginosa isolates from Pakistan.
Genomic Surveillance of Clinical Pseudomonas aeruginosa Isolates Reveals an Additive Effect of Carbapenemase Production on Carbapenem Resistance.
The study identified several beta-lactamase genes, including bla OXA-50, bla OXA-10, bla OXA-488, bla GES-5, bla IMP-1, bla IMP-10, bla NDM-1, bla VIM-2, bla VIM-6, and bla VIM-11, as well as inactivating mutations in the porin gene oprD, which contribute to carbapenem resistance in Pseudomonas aeruginosa isolates from Pakistan.
BioFire FilmArray Pneumonia Panel enhances detection of pathogens and antimicrobial resistance in lower respiratory tract specimens.
The BioFire FilmArray Pneumonia Panel detected 97 targets, including 84 bacteria and nine antimicrobial resistance markers, enhancing the detection of pathogens and antimicrobial resistance in lower respiratory tract specimens.
Efficacy and In Vitro Activity of Novel Antibiotics for Infections With Carbapenem-Resistant Gram-Negative Pathogens.
The paper characterizes several carbapenemase genes, including KPC, NDM, VIM, and OXA-48-like enzymes, which confer resistance to carbapenems. It also identifies 16S-RMTase as a gene associated with aminoglycoside resistance.
Genomic Epidemiology of MBL-Producing Pseudomonas putida Group Isolates in Poland.
The study identified VIM-2, VIM-4, and a new VIM variant, VIM-77, as the primary metallo-beta-lactamases in MBL-producing Pseudomonas putida group isolates in Poland. These isolates exhibited extensive drug resistance, with a high prevalence of VIM integrons.
Genomic Epidemiology of MBL-Producing Pseudomonas putida Group Isolates in Poland.
The study identified VIM-2, VIM-4, and a new VIM variant, VIM-77, as the primary metallo-beta-lactamases in MBL-producing Pseudomonas putida group isolates in Poland. These isolates exhibited extensive drug resistance, with a high prevalence of VIM integrons.
Genomic Epidemiology of MBL-Producing Pseudomonas putida Group Isolates in Poland.
The study identified VIM-2, VIM-4, and a new VIM variant, VIM-77, as the primary metallo-beta-lactamases in MBL-producing Pseudomonas putida group isolates in Poland. These isolates exhibited extensive drug resistance, with a high prevalence of VIM integrons.
Genomic Epidemiology of MBL-Producing Pseudomonas putida Group Isolates in Poland.
Genomic Epidemiology of MBL-Producing Pseudomonas putida Group Isolates in Poland.
In-vitro susceptibility testing methods for the combination of ceftazidime-avibactam with aztreonam in metallobeta-lactamase producing organisms: Role of combination drugs in antibiotic resistance era.
The study characterizes the resistance mechanisms conferred by blaNDM, blaVIM, and blaIMP genes in metallo-beta-lactamase producing organisms, demonstrating that the combination of ceftazidime-avibactam with aztreonam restores susceptibility.
Wastewater Surveillance Detected Carbapenemase Enzymes in Clinically Relevant Gram-Negative Bacteria in Helsinki, Finland; 2011-2012.
The study identified carbapenemase genes bla GES, bla KPC, and bla VIM in clinically relevant gram-negative bacteria in wastewater samples from Helsinki, Finland, highlighting the significance of wastewater surveillance in tracking antimicrobial resistance.
In Vitro Activity of Ceftolozane-Tazobactam and Other Antibiotics against Pseudomonas aeruginosa Infection-Isolates from an Academic Medical Center in Thailand.
The study identified blaIMP, blaVIM, and blaNDM as the primary resistance mechanisms in ceftolozane-tazobactam-resistant Pseudomonas aeruginosa isolates.
Identification of a Stable Chromosomal Tandem Multicopy of bla(VIM-63), a New bla(VIM-2) Carbapenemase.
The study identifies a new variant of bla(VIM-2), named bla(VIM-63), which is stably integrated in the chromosome of two carbapenem-resistant clinical strains of Citrobacter freundii and Pseudomonas aeruginosa. The gene was found in a stable five-tandem-repeat multimer in C. freundii and showed similar susceptibility patterns to VIM-2 despite an amino acid substitution.
Prevalence and Molecular Characterization of Metallo β-Lactamase Producing Gram-Negative Pathogens Causing Eye Infections.
The study identified the blaVIM gene as a significant contributor to carbapenem resistance in gram-negative pathogens causing eye infections, particularly in Pseudomonas aeruginosa and Alcaligens denitrificans.
Using Targeted Liquid Chromatography-Tandem Mass Spectrometry to Rapidly Detect β-Lactam, Aminoglycoside, and Fluoroquinolone Resistance Mechanisms in Blood Cultures Growing E. coli or K. pneumoniae.
The study developed and validated a targeted LC-MS/MS assay for the rapid detection of β-lactam, aminoglycoside, and fluoroquinolone resistance mechanisms in blood cultures growing E. coli or K. pneumoniae. The assay successfully detected various resistance genes including β-lactamases (SHV, TEM, CTX-M-1-like, OXA-1, CMY-2-like, cAmpC, KPC, OXA-48, NDM, VIM), aminoglycoside-modifying enzymes (AAC(3)-Ia, AAC(3)-II, AAC(3)-IV, AAC(3)-VI, AAC(6′)-Ib, ANT(2′′)-I, APH(3′)-VI), 16S-RMTases (ArmA, RmtB, RmtC, RmtF), and quinolone resistance mechanisms (QnrA, QnrB, AAC(6′)-Ib-cr, and wildtype QRDR of GyrA).
Detection of Klebsiella pneumoniae antibiotic-resistant genes: An impending source of multidrug resistance dissemination through raw food.
The study identified several β-lactamase genes, including bla CTX-M, bla SHV, bla TEM, bla MOX, bla FOX, and carbapenemase genes such as bla NDM, bla IMP, bla VIM, and bla OXA-48, in Klebsiella pneumoniae isolates from raw food samples, highlighting the potential for multidrug resistance dissemination through the food chain.
Natural Products as Antimicrobial Resistance Modifiers: A Comprehensive Review
This review highlights the identification of various AMR genes and mutations, including beta-lactamases, aminoglycoside-modifying enzymes, tetracycline efflux pumps, and others, which contribute to antibiotic resistance in different bacterial species. The study also discusses the role of mutations in enhancing resistance mechanisms.
Direct Colorimetry of Imipenem Decomposition as a Novel Cost-Effective Method for Detecting Carbapenemase-Producing Enterobacteria.
The study presents a novel, cost-effective method for detecting carbapenemase-producing enterobacteria (CPE) using direct colorimetry of imipenem decomposition. The method relies on the specific color change induced by carbapenemases, particularly NDM-1, NMC-A, OXA-48, VIM-1, IMP-4, and KPC-2, which were experimentally validated for their ability to hydrolyze imipenem and produce a measurable yellow color. The method demonstrated high sensitivity (98%) and specificity (100%).
Direct Colorimetry of Imipenem Decomposition as a Novel Cost-Effective Method for Detecting Carbapenemase-Producing Enterobacteria.
The study presents a novel, cost-effective method for detecting carbapenemase-producing enterobacteria (CPE) using direct colorimetry of imipenem decomposition. The method relies on the specific color change induced by carbapenemases, particularly NDM-1, NMC-A, OXA-48, VIM-1, IMP-4, and KPC-2, which were experimentally validated for their ability to hydrolyze imipenem and produce a measurable yellow color. The method demonstrated high sensitivity (98%) and specificity (100%).
Multidrug-Resistant Enteropathogenic Escherichia coli Isolated from Diarrhoeic Calves, Milk, and Workers in Dairy Farms: A Potential Public Health Risk.
The study identified multiple AMR genes, including bla TEM, bla SHV, bla CTX-M-1, qnrA, qnrS, and bla VIM, in multidrug-resistant EPEC isolates from diarrhoeic calves, milk, and workers in Egyptian dairy farms.
Antibiotic resistance genes are differentially mobilized according to resistance mechanism.
The study identifies and characterizes antibiotic resistance genes (ARGs) and their mobilization through mobile genetic elements (MGEs), revealing that efflux genes are rarely mobilized, while certain ARGs like those encoding β-lactamases and aminoglycoside nucleotidyltransferases are highly mobilized.
Antimicrobial Resistance in E. coli Isolated from Shrimp and Salmon in Canada
The study identifies carbapenem resistance genes bla NDM-5 and bla VIM-1 in Escherichia coli from retail seafood in Canada, highlighting the presence of carbapenem-resistant Enterobacterales in the aquatic environment.
Optimization and development of high-resolution melting curve analysis (HRMA) assay for detection of New Delhi metallo-β-lactamase (NDM) producing Pseudomonas aeruginosa.
The study developed and optimized a high-resolution melting curve analysis (HRMA) assay for detecting New Delhi metallo-beta-lactamase (NDM)-producing Pseudomonas aeruginosa. The HRMA method demonstrated high analytical sensitivity and specificity for identifying NDM and MBL genes in P. aeruginosa strains.
Development of Microfluidic Chip-Based Loop-Mediated Isothermal Amplification (LAMP) Method for Detection of Carbapenemase Producing Bacteria.
The study developed a microfluidic chip-based LAMP method for the detection of carbapenemase-producing organisms (CPO) and evaluated its performance in identifying carbapenemase genes such as bla KPC, bla NDM, bla VIM, bla IMP, bla oprD2, bla OXA-23, bla OXA-48, and bla OXA-58.
Carbapenem-Resistant Organisms Isolated in Surgical Site Infections in Benin: A Public Health Problem.
The study identified carbapenem-resistant organisms in surgical site infections in Benin, highlighting the presence of bla CTX-M-1, bla TEM-1, bla OXA-48, bla NDM, and bla VIM genes, which confer resistance to multiple beta-lactam antibiotics.
Imipenem-Relebactam Susceptibility in Enterobacterales Isolates Recovered from ICU Patients from Spain and Portugal (SUPERIOR and STEP Studies).
The study identified several carbapenemase genes, including blaOXA-48, blaKPC-3, blaOXA-181, blaNDM-1, and blaVIM-2, which confer resistance to carbapenems in Enterobacterales isolates from ICU patients in Spain and Portugal. Additionally, other beta-lactamase genes such as ctxM-15, shv-like, and oxa-1 were found to contribute to resistance against cephalosporins and penicillins. The mobile colistin resistance gene mcr-9.1 was also detected in an Enterobacter hormaechei isolate.
Whole-Genome Sequencing Reveals Diversity of Carbapenem-Resistant Pseudomonas aeruginosa Collected through CDC's Emerging Infections Program, United States, 2016-2018.
Whole-Genome Sequencing Reveals Diversity of Carbapenem-Resistant Pseudomonas aeruginosa Collected through CDC's Emerging Infections Program, United States, 2016-2018.
Multidrug-Resistant Bacteria: Their Mechanism of Action and Prophylaxis.
The paper reviews the mechanisms of multidrug resistance in bacteria, focusing on resistance mechanisms such as beta-lactamases, vancomycin resistance genes, and other resistance determinants in both Gram-positive and Gram-negative bacteria.
Epidemiology, Mechanisms of Resistance and Treatment Algorithm for Infections Due to Carbapenem-Resistant Gram-Negative Bacteria: An Expert Panel Opinion.
The paper discusses the mechanisms of resistance in carbapenem-resistant Gram-negative bacteria, highlighting the role of various beta-lactamases such as blaOXA-51, blaOXA-23, blaOXA-24, blaOXA-48, blaKPC, blaNDM, blaVIM, and blaIMP, as well as aminoglycoside modifying enzymes like aac(6')-Ib and aadA, and quinolone resistance genes such as qnrS1.
Evaluation of the EasyScreen™ ESBL/CPO Detection Kit for the Detection of ß-Lactam Resistance Genes.
The EasyScreen™ ESBL/CPO Detection Kit effectively detects various β-lactam resistance genes, including bla VIM, bla NDM, bla IMP, bla OXA-48, bla KPC, bla OXA-23, bla OXA-51, bla SME, bla IMI, bla GES, bla TEM, bla SHV, bla CTX-M, bla CMY, bla DHA, and the mcr-1 gene, demonstrating high sensitivity and specificity for carbapenemase and ESBL detection in Enterobacterales, Pseudomonas spp., and Acinetobacter spp.
Prevalence of carbapenemase genes among carbapenem-nonsusceptible Enterobacterales collected in US hospitals in a five-year period and activity of ceftazidime/avibactam and comparator agents.
The study identified several carbapenemase genes, including bla KPC, bla OXA-181, bla NDM-1, bla NDM-5, bla VIM-1, and bla IMP-27, in carbapenem-nonsusceptible Enterobacterales isolates. New KPC variants, such as bla KPC-58, were characterized and showed resistance to ceftazidime/avibactam and low meropenem MIC values.
In vitro activity of ceftazidime/avibactam against carbapenem-nonsusceptible Klebsiella penumoniae isolates collected during the first wave of the SARS-CoV-2 pandemic: a Southern Italy, multicenter, surveillance study.
The study identified three ceftazidime/avibactam-resistant (CAZ/AVI-R) isolates carrying different carbapenemases: KPC-31, VIM-1, and NDM-1. These isolates belonged to high-risk clones (ST101, ST45, and ST147) and showed varying levels of resistance to other antibiotics.
Isolation of an Extensively Drug-Resistant Pseudomonas aeruginosa exoS(+)/O4 Strain Belonging to the "High-Risk" Clone ST654 and Coproducer of NDM-1 and the Novel VIM-80.
The study identifies a highly drug-resistant Pseudomonas aeruginosa strain (P-469) carrying the novel VIM-80 carbapenemase along with NDM-1, highlighting the need for genomic surveillance of high-risk clones.
Insights on the performance of phenotypic tests versus genotypic tests for the detection of carbapenemase-producing Gram-negative bacilli in resource-limited settings.
The study evaluated the performance of phenotypic tests (MHT, mCIM, BCT, CDT) versus genotypic tests for detecting carbapenemase-producing Gram-negative bacilli (CPO). It identified bla KPC, bla NDM, bla VIM, bla GIM, and bla OXA−48 as the most prevalent carbapenemase genes among the isolates.
Identification and characterization of bacteria isolated from patients with cystic fibrosis in Jordan.
The study identified blaKPC, blaNDM, blaVIM, and mecA as the primary resistance genes in bacteria isolated from patients with cystic fibrosis in Jordan. These genes conferred resistance to carbapenems and beta-lactams, highlighting the challenges in treating multidrug-resistant infections.
Dissemination of Carbapenemases and MCR-1 Producing Gram-Negative Bacteria in Aquatic Environments in Batna, Algeria.
Insights into Carbapenem Resistance in Vibrio Species: Current Status and Future Perspectives.
The paper discusses the prevalence and mechanisms of carbapenem resistance in Vibrio species, highlighting the role of carbapenemase genes such as blaNDM-1, blaVCC-1, blaVAM-1, blaVMB-1, blaVMB-2, and blaVmh in conferring resistance to carbapenems.
Insights into Carbapenem Resistance in Vibrio Species: Current Status and Future Perspectives.
The paper discusses the prevalence and mechanisms of carbapenem resistance in Vibrio species, highlighting the role of carbapenemase genes such as blaNDM-1, blaVCC-1, blaVAM-1, blaVMB-1, blaVMB-2, and blaVmh in conferring resistance to carbapenems.
Phenotypic and genotypic investigation of metallo-β-lactamases in Pseudomonas aeruginosa clinical isolates in Bushehr, Iran.
The study detected blaIMP, blaNDM, and blaVIM genes in Pseudomonas aeruginosa clinical isolates in Bushehr, Iran, highlighting the prevalence of these metallo-β-lactamase genes as a potential public health concern.
Evaluation of phenotypic detection of carbapenemase-producing Pseudomonas spp. from clinical isolates.
The study evaluated the performance of phenotypic tests (Carba NP, Blue Carba, and mCIM/eCIM) for detecting carbapenemase-producing Pseudomonas spp. in Brazil. It identified several carbapenemase genes, including bla VIM-2, bla SPM-1, bla IMP-10, bla VIM-24, bla NDM-1, and bla KPC-2, in clinical isolates.
Evaluation of phenotypic detection of carbapenemase-producing Pseudomonas spp. from clinical isolates.
The study evaluated the performance of phenotypic tests (Carba NP, Blue Carba, and mCIM/eCIM) for detecting carbapenemase-producing Pseudomonas spp. in Brazil. It identified several carbapenemase genes, including bla VIM-2, bla SPM-1, bla IMP-10, bla VIM-24, bla NDM-1, and bla KPC-2, in clinical isolates.
Epidemiological characteristics and molecular features of carbapenem-resistant Enterobacter strains in China: a multicenter genomic study.
The study identified bla NDM-1, bla NDM-5, bla IMP-26, bla IMP-4, and bla VIM-1 as the primary carbapenemase-encoding genes in carbapenem-resistant Enterobacter strains in China, with bla NDM being the most prevalent.
Beta-lactamase determinants and molecular typing of carbapenem-resistant classic and hypervirulent Klebsiella pneumoniae clinical isolates from southwest of Iran.
The study identified several beta-lactamase genes, including bla NDM, bla IMP, bla VIM, bla GES, bla OXA-48-like, bla CTX-M, bla SHV, bla TEM, bla FOX, bla DHA, bla CMY, bla LAT, and bla ACT, which are responsible for carbapenem resistance in Klebsiella pneumoniae isolates from southwest Iran.
Identification and Characterization of Plasmids and Genes from Carbapenemase-Producing Klebsiella pneumoniae in Makkah Province, Saudi Arabia.
The study identified multiple carbapenem-resistant genes, including blaVIM, blaOXA-48, and blaNDM-1, in carbapenem-resistant K. pneumoniae isolates from Makkah Province, Saudi Arabia.
Phenotypic and genotypic characterization of multi-drug resistance Pseudomonas aeruginosa isolated from urinary tract infections of non-catheterized and catheterized Chinese patients: A descriptive study over 3 years.
The study identified several AMR genes including OXA-23, MEX-ABR, NDM-1, VIM, and PSE in multidrug-resistant Pseudomonas aeruginosa isolates from urinary tract infections in both non-catheterized and catheterized patients.
Phenotypic and genotypic characterization of metallo-beta-lactamase producing Pseudomonas aeruginosa isolated from burn patients.
The study identified blaVIM and blaIMP genes in imipenem-resistant Pseudomonas aeruginosa isolates from burn patients, highlighting the prevalence of metallo-beta-lactamase production.
Increased zinc levels facilitate phenotypic detection of ceftazidime-avibactam resistance in metallo-β-lactamase-producing Gram-negative bacteria.
The study identifies several metallo-beta-lactamase genes (blaIMP-1, blaNDM-1, blaNDM-5, blaVIM-1, blaVIM-2, and blaVIM-4) that confer resistance to ceftazidime-avibactam in various Gram-negative bacteria. It highlights the importance of zinc supplementation in improving the detection of ceftazidime-avibactam resistance in metallo-beta-lactamase-producing isolates.
Increased zinc levels facilitate phenotypic detection of ceftazidime-avibactam resistance in metallo-β-lactamase-producing Gram-negative bacteria.
The study identifies several metallo-beta-lactamase genes (blaIMP-1, blaNDM-1, blaNDM-5, blaVIM-1, blaVIM-2, and blaVIM-4) that confer resistance to ceftazidime-avibactam in various Gram-negative bacteria. It highlights the importance of zinc supplementation in improving the detection of ceftazidime-avibactam resistance in metallo-beta-lactamase-producing isolates.
Increased zinc levels facilitate phenotypic detection of ceftazidime-avibactam resistance in metallo-β-lactamase-producing Gram-negative bacteria.
The study identifies several metallo-beta-lactamase genes (blaIMP-1, blaNDM-1, blaNDM-5, blaVIM-1, blaVIM-2, and blaVIM-4) that confer resistance to ceftazidime-avibactam in various Gram-negative bacteria. It highlights the importance of zinc supplementation in improving the detection of ceftazidime-avibactam resistance in metallo-beta-lactamase-producing isolates.
Detecting Carbapenemases in Animal and Food Samples by Droplet Digital PCR.
The study demonstrates the effectiveness of droplet digital PCR (ddPCR) in detecting bla KPC, bla VIM, and bla OXA-48-like carbapenemase genes in various animal and food samples, highlighting the prevalence of bla OXA-48-like genes.
Efficacy of Vaporized Hydrogen Peroxide Combined with Silver Ions against Multidrug-Resistant Gram-Negative and Gram-Positive Clinical Isolates.
The study evaluated the efficacy of 8% vaporized hydrogen peroxide combined with 30 mg/L silver ions against multidrug-resistant (MDR) clinical isolates of Klebsiella pneumoniae, Pseudomonas aeruginosa, and methicillin-resistant Staphylococcus aureus. It identified specific carbapenemase genes (bla KPC, bla VIM, bla IMP, bla NDM, and bla OXA-48) associated with resistance in these isolates.
Genotypic characterization and clonal relatedness of metallo-beta-lactamase-producing non-fermentative gram negative bacteria in the first 5 years of their circulation in Paraguay (2011-2015).
The study identified blaVIM-2, blaNDM-1, and blaIMP-18 as the主要 metallo-beta-lactamase genes in non-fermentative gram-negative bacteria in Paraguay, highlighting their prevalence and clonal spread.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Molecular Characterization of Carbapenem-Resistant Acinetobacter baumannii with Special Reference to Carbapenemases: A Systematic Review.
The paper reviews the molecular characteristics of carbapenem-resistant Acinetobacter baumannii, focusing on carbapenemases. It identifies several beta-lactamase genes, including OXA-23, OXA-51, OXA-58, VIM, NDM, IMP, KPC, and GES, which confer resistance to carbapenems. The study highlights the role of mobile genetic elements in the dissemination of these resistance genes.
Isolation of Hafnia paralvei co-harbouring bla(NDM-1) and bla(VIM-1) in a woman who underwent allogeneic hematopoietic stem cell transplantation.
The study reports the isolation of a multidrug-resistant Hafnia paralvei strain co-harbouring bla(NDM-1) and bla(VIM-1), highlighting the importance of monitoring for carbapenem resistance in non-traditional pathogens.
Expanded catalogue of metagenome-assembled genomes reveals resistome characteristics and athletic performance-associated microbes in horse.
The study identified a diverse array of antibiotic resistance genes (ARG) in the horse gut microbiome, highlighting the widespread use of antibiotics in horse management. The resistome characteristics were analyzed alongside the identification of microbes associated with athletic performance.
Susceptibility profile of bla (OXA-23) and metallo-β-lactamases co-harbouring isolates of carbapenem resistant Acinetobacter baumannii (CRAB) against standard drugs and combinations.
The study identified bla OXA-51, bla OXA-23, bla IMP, bla NDM, and bla VIM as the primary carbapenemase genes in CRAB isolates, with bla OXA-23 and bla NDM being particularly prevalent. These genes conferred resistance to carbapenems, and the presence of bla NDM was linked to reduced synergy in combination therapies.
Evaluation of in-vitro susceptibility of ß-lactam-resistant Gram-negative bacilli to ceftazidime-avibactam and ceftolozane-tazobactam from clinical samples of a general hospital in southern Brazil.
The study identified bla CTX-M, bla SHV, bla KPC, bla NDM-1, and bla VIM as the primary β-lactamase genes responsible for resistance to ceftazidime-avibactam and ceftolozane-tazobactam in β-lactam-resistant Gram-negative bacilli.
Development of a novel loop-mediated isothermal amplification assay for ß-lactamase gene identification using clinical isolates of Gram-negative bacteria.
The study developed LAMP assays for four β-lactamase genes (bla KPC, bla NDM-1, bla IMP-1 group, and bla VIM) and validated their specificity and sensitivity using clinical isolates of Gram-negative bacteria.
Rapid culture-independent loop-mediated isothermal amplification detection of antimicrobial resistance markers from environmental water samples.
The study developed and validated LAMP assays for rapid detection of mcr-1, blaKPC, blaOXA-48, blaOXA-23, and blaVIM genes in environmental water samples, demonstrating high sensitivity and specificity.
Evaluation of Xpert Carba-R for detecting carbapenemase-producing organisms in South Africa.
The Xpert Carba-R assay demonstrated high performance in detecting carbapenemase-producing organisms, with 98% sensitivity and 97% specificity. It successfully identified various carbapenemase genes, including bla KPC, bla NDM, bla VIM, bla OXA-48, and bla IMP-1, in both cultured isolates and spiked rectal swabs.
A 10-year microbiological study of Pseudomonas aeruginosa strains revealed the circulation of populations resistant to both carbapenems and quaternary ammonium compounds.
The study identified blaVIM-2 and blaGES-5 as carbapenem resistance genes and the overexpression of the MexAB-OprM efflux pump as a mechanism for resistance to DDAC in Pseudomonas aeruginosa.
Molecular characterizations of antibiotic resistance, biofilm formation, and virulence determinants of Pseudomonas aeruginosa isolated from burn wound infection.
The study identified bla TEM, bla VIM, and bla CTX-M as the most common beta-lactamase genes in Pseudomonas aeruginosa isolates from burn wounds, contributing to resistance against multiple antibiotics.
Prevalence and Characterization of Beta-Lactam and Carbapenem-Resistant Bacteria Isolated from Organic Fresh Produce Retailed in Eastern Spain.
The study identified various beta-lactamase genes, including bla_VIM, bla_IMP, bla_TEM, bla_OXA-48, bla_SHV, bla_CMY-2, and bla_KPC, in beta-lactam and carbapenem-resistant bacteria isolated from organic fresh produce in Valencia, Spain.
The Impact of Harsh Stratospheric Conditions on Survival and Antibiotic Resistance Profile of Non-Spore Forming Multidrug Resistant Human Pathogenic Bacteria Causing Hospital-Associated Infections.
The study examined the impact of stratospheric conditions on the survival and antibiotic resistance of multidrug-resistant bacteria. It found that exposure to stratospheric conditions led to a decrease in antibiotic resistance, with no loss of resistance genes detected.
Responses of carbapenemase-producing and non-producing carbapenem-resistant Pseudomonas aeruginosa strains to meropenem revealed by quantitative tandem mass spectrometry proteomics.
The study identified the VIM-4 metallo-beta-lactamase as a key factor in carbapenem resistance in Pseudomonas aeruginosa strain CCUG 51971, contributing to high resistance levels against imipenem and meropenem.
Molecular Mechanisms of Resistance to Ceftazidime/Avibactam in Clinical Isolates of Enterobacterales and Pseudomonas aeruginosa in Latin American Hospitals.
The study identifies multiple AMR genes and mutations contributing to CZA resistance in Enterobacterales and P. aeruginosa, including MBLs, blaKPC, blaVIM, blaIMP, blaNDM, blaSPM-1, and various mutations in genes related to efflux pumps, porins, and beta-lactamases.
Development of Nanobodies as Theranostic Agents against CMY-2-Like Class C β-Lactamases.
The study identifies three nanobodies (cAb CMY-2 (250), cAb CMY-2 (254), and cAb CMY-2 (272)) that specifically bind to CMY-2 β-lactamase, with cAb CMY-2 (254) showing the highest stability and affinity. These nanobodies act as noncompetitive inhibitors of CMY-2 activity and are used to develop a highly specific sandwich ELISA for detecting CMY-2-producing bacteria.
Coexistence of tmexCD3-toprJ1b tigecycline resistance genes with two novel bla (VIM-2)-carrying and bla (OXA-10)-carrying transposons in a Pseudomononas asiatica plasmid.
The study identifies the coexistence of tmexCD3-toprJ1b tigecycline resistance genes along with two novel transposons carrying blaVIM-2 and blaOXA-10 in a Pseudomonas asiatica plasmid, highlighting the potential for multidrug resistance dissemination in hospital sewage.
Ceftazidime-Avibactam plus aztreonam synergistic combination tested against carbapenem-resistant Enterobacterales characterized phenotypically and genotypically: a glimmer of hope.
The study identified several carbapenemase genes including bla NDM, bla VIM, bla OXA-48, and bla KPC in carbapenem-resistant Enterobacterales. The combination of ceftazidime-avibactam and aztreonam showed a synergistic effect against these resistant isolates.
Nanopore-based enrichment of antimicrobial resistance genes - a case-based study.
The study identifies NDM, KPC, and VIM carbapenemases in Raoultella ornithinolytica using PCR and nanopore sequencing, highlighting their role in carbapenem resistance.
High prevalence of extensively drug resistant and extended spectrum beta lactamases (ESBLs) producing uropathogenic Escherichia coli isolated from Faisalabad, Pakistan.
The study identified several ESBL genes including TEM-1, CTX-M1, CTX-M15, OXA-1, KPC, VIM, and GES in uropathogenic E. coli isolates from Faisalabad, Pakistan. These genes were associated with resistance to various beta-lactam antibiotics, highlighting the high prevalence of multidrug-resistant strains.
Limiting spread of VIM-positive Pseudomonas aeruginosa from colonized sink drains in a tertiary care hospital: A before-and-after study.
The study found that installing drain plugs in sinks significantly reduced the spread of VIM-positive Pseudomonas aeruginosa from the inner to the outer sink environment. The blaVIM gene was identified as the key factor responsible for carbapenem resistance in the isolates.
Characterization of Third Generation Cephalosporin- and Carbapenem-Resistant Aeromonas Isolates from Municipal and Hospital Wastewater.
The study identified several carbapenemase and ESBL genes in Aeromonas isolates from wastewater, highlighting the presence of bla KPC-2, bla VIM-2, bla OXA-48, bla IMP-13, bla GES-5, and bla MOX as significant contributors to antibiotic resistance.
High incidence of carbapenemase-producing Pseudomonas aeruginosa clinical isolates from Lagos, Nigeria.
The study identified blaNDM-1, blaVIM-5, and blaVIM-2 as the main carbapenemase genes in P. aeruginosa isolates from Lagos, Nigeria, contributing to high carbapenem resistance rates.
High incidence of carbapenemase-producing Pseudomonas aeruginosa clinical isolates from Lagos, Nigeria.
The study identified blaNDM-1, blaVIM-5, and blaVIM-2 as the main carbapenemase genes in P. aeruginosa isolates from Lagos, Nigeria, contributing to high carbapenem resistance rates.
A Narrative Review of Healthcare-Associated Gram-Negative Infections Among Pediatric Patients in Middle Eastern Countries.
The review highlights the high prevalence of carbapenem-resistant Klebsiella pneumoniae and Escherichia coli in Middle Eastern pediatric patients, with significant resistance mediated by genes such as bla OXA-48, bla NDM-1, and bla VIM.
Epidemiological and Genetic Characteristics of Clinical Carbapenem-Resistant Pseudomonas aeruginosa Strains in Guangdong Province, China.
The study identified blaIMP-45 as a major determinant of meropenem resistance in P. aeruginosa, and mutations in oprD, mexR, nalD, and armR were associated with meropenem resistance.
Genotyping and molecular investigation of plasmid-mediated carbapenem resistant clinical Klebsiella pneumoniae isolates in Egypt.
The study identified the prevalence of carbapenem resistance genes (blaIMP, blaVIM, blaOXA-48, blaNDM, and blaKPC) in clinical Klebsiella pneumoniae isolates in Egypt, highlighting the high levels of resistance and the potential for horizontal gene transfer.
Phylogenomics of Globally Spread Clonal Groups 14 and 15 of Klebsiella pneumoniae.
The study characterizes various AMR genes and mutations in K. pneumoniae clonal groups 14 and 15, highlighting the prevalence of bla CTX-M-15, bla OXA-232, bla NDM-1, and other beta-lactamases, along with quinolone resistance mechanisms.
Snapshot of Phenotypic and Molecular Virulence and Resistance Profiles in Multidrug-Resistant Strains Isolated in a Tertiary Hospital in Romania.
The study identified multiple beta-lactamase genes (bla CTX-M, bla SHV, bla TEM, bla KPC, bla OXA-48, bla NDM, bla OXA-23, bla OXA-24, bla VIM, and bla IMP) in multidrug-resistant strains of Klebsiella pneumoniae, Acinetobacter baumannii, and Pseudomonas aeruginosa. Additionally, several virulence genes involved in biofilm formation and tissue destruction were detected.
Carbapenemase investigation with rapid phenotypic test (RESIST-4 O.K.N.V) and comparison with PCR in carbapenem-resistant Enterobacterales strains.
The study evaluated the RESIST-4 O.K.N.V test for detecting carbapenemases and found that it had high sensitivity and specificity for OXA-48, KPC, and VIM, but lower sensitivity for NDM. The most prevalent carbapenemase was OXA-48, followed by NDM, KPC, and VIM.
Whole-genome sequencing reveals high-risk clones of Pseudomonas aeruginosa in Guangdong, China.
The study identified multiple AMR genes, including aac(6')-IIa, aac(6')-Ib4, aac(6')-Ib7, aac(6')-Ib9, aac(6')-Ib10, aac(3)-IId, aadA, aadA2, aadA3, aadA7, aadA13, bla OXA-50-Like, bla OXA-1-Like, bla OXA-10-Like, bla OXA-21-Like, bla VIM-2, bla IMP-9, bla IMP-45, bla KPC-2, bla CTX-M-13, bla CARB-1, bla CARB-3, qnrVC1, qnrVC6, bla PDC-3, and bla PDC-5, in Pseudomonas aeruginosa isolates from Guangdong, China, highlighting the high prevalence of multidrug-resistant and carbapenem-resistant strains.
Multidrug resistance, biofilm formation and detection of bla (CTX-M) and bla (VIM) genes in E. coli and Salmonella isolates from chutney served at the street-food stalls of Bharatpur, Nepal.
The study identified the presence of bla CTX-M and bla VIM genes in E. coli and Salmonella isolates from chutney samples, indicating the presence of extended-spectrum beta-lactamase (ESBL) and metallo-beta-lactamase (MBL) producers. These genes confer resistance to various beta-lactam antibiotics.
High-resolution characterization of short-term temporal variability in the taxonomic and resistome composition of wastewater influent.
The study highlights the importance of 24 h composite sampling over single grab sampling for capturing the full diversity of AMR gene families in wastewater influent, particularly for carbapenemase genes like bla VIM, bla KPC, bla IMP, and bla NDM, which were intermittently missed by grab sampling but reliably detected in composites.
International Epidemiology of Carbapenemase-Producing Escherichia coli.
The study identifies various carbapenemase genes, including bla NDM-5, bla KPC-2, and others, in carbapenemase-producing Escherichia coli isolates from different geographical regions.
Investigating and Treating a Corneal Ulcer Due to Extensively Drug-Resistant Pseudomonas aeruginosa.
The study identifies the presence of blaVIM-80 and blaGES-9 in an extensively drug-resistant Pseudomonas aeruginosa isolate causing a corneal ulcer, highlighting their role in carbapenem resistance.
Genomic surveillance of multidrug-resistant Klebsiella in Wales reveals persistent spread of Klebsiella pneumoniae ST307 and adaptive evolution of pOXA-48-like plasmids.
The study identifies various carbapenemase genes, including bla_OXA-244, bla_KPC-2, bla_OXA-48, bla_VIM-4, bla_IMP-4, and bla_CTX-M-15, which contribute to multidrug resistance in Klebsiella isolates in Wales.
Multicenter Evaluation of the BIOFIRE Blood Culture Identification 2 Panel for Detection of Bacteria, Yeasts, and Antimicrobial Resistance Genes in Positive Blood Culture Samples.
The BIOFIRE BCID2 Panel demonstrated high sensitivity and specificity for detecting bacteria, yeasts, and antimicrobial resistance genes in positive blood culture samples. It effectively identified various AMR genes such as CTX-M, IMP, KPC, NDM, OXA-48-like, VIM, mecA/C, mcr-1, and vanA/B in Enterobacterales and other pathogens.
Surveillance of carbapenem-resistant organisms using next-generation sequencing.
The study highlights the importance of next-generation sequencing (NGS) in detecting carbapenem-resistant organisms (CRO) and characterizing resistance genes such as blaKPC, blaNDM, blaVIM, blaIMP, and blaOXA-48. These genes were identified through PCR testing and sequencing, demonstrating their role in carbapenem resistance in Enterobacterales, Pseudomonas aeruginosa, and Acinetobacter baumannii.
Source-tracking ESBL-producing bacteria at the maternity ward of Mulago hospital, Uganda.
The study identified bla CTX-M, bla TEM, bla SHV, bla VIM, bla IMP, and bla NDM genes as the primary drivers of extended-spectrum beta-lactamase (ESBL) and carbapenemase resistance in E. coli, K. pneumoniae, and Enterobacter spp. isolates from the maternity ward of Mulago Hospital, Uganda.
The carbapenem inoculum effect provides insight into the molecular mechanisms underlying carbapenem resistance in Enterobacterales.
The study identified that various carbapenemase genes, including blaKPC-3, blaSME-2, blaIMP-4, blaNDM-1, blaVIM-27, blaCMY-10, and blaOXA-48, confer a meropenem inoculum effect when expressed in E. coli K-12. These genes were experimentally validated to show increased resistance with higher inocula.
Cefiderocol Treatment for Patients with Multidrug- and Carbapenem-Resistant Pseudomonas aeruginosa Infections in the Compassionate Use Program.
The study identified various beta-lactamase genes, including bla GES, bla VEB-9, bla PER-1, bla NDM-1, bla VIM-2, bla IMP-15, and bla IMP-18, as well as PDC variants like bla PDC-3 and bla PDC-19A, which contribute to resistance against ceftolozane-tazobactam and ceftazidime-avibactam in multidrug-resistant and carbapenem-resistant Pseudomonas aeruginosa isolates.
Propranolol restores susceptibility of XDR Gram-negative pathogens to meropenem and Meropenem combination has been evaluated with either tigecycline or amikacin.
The study identifies blaKPC, blaOXA-48, and blaVIM as the主要 carbapenemase genes in XDR CR-GNB isolates, which contribute to resistance against meropenem.
Genome-Based Epidemiologic Analysis of VIM/IMP Carbapenemase-Producing Enterobacter spp., Poland.
The study identified multiple bla VIM and bla IMP genes, along with various other AMR genes, in VIM/IMP carbapenemase-producing Enterobacter spp. in Poland. These genes were associated with different integrons and plasmid types, contributing to the spread of multidrug-resistant strains.
Genome-Based Epidemiologic Analysis of VIM/IMP Carbapenemase-Producing Enterobacter spp., Poland.
The study identified multiple bla VIM and bla IMP genes, along with various other AMR genes, in VIM/IMP carbapenemase-producing Enterobacter spp. in Poland. These genes were associated with different integrons and plasmid types, contributing to the spread of multidrug-resistant strains.
Genome-Based Epidemiologic Analysis of VIM/IMP Carbapenemase-Producing Enterobacter spp., Poland.
The study identified multiple bla VIM and bla IMP genes, along with various other AMR genes, in VIM/IMP carbapenemase-producing Enterobacter spp. in Poland. These genes were associated with different integrons and plasmid types, contributing to the spread of multidrug-resistant strains.
Genome-Based Epidemiologic Analysis of VIM/IMP Carbapenemase-Producing Enterobacter spp., Poland.
The study identified multiple bla VIM and bla IMP genes, along with various other AMR genes, in VIM/IMP carbapenemase-producing Enterobacter spp. in Poland. These genes were associated with different integrons and plasmid types, contributing to the spread of multidrug-resistant strains.
Genome-Based Epidemiologic Analysis of VIM/IMP Carbapenemase-Producing Enterobacter spp., Poland.
The study identified multiple bla VIM and bla IMP genes, along with various other AMR genes, in VIM/IMP carbapenemase-producing Enterobacter spp. in Poland. These genes were associated with different integrons and plasmid types, contributing to the spread of multidrug-resistant strains.
Antimicrobial resistance heterogeneity among multidrug-resistant Gram-negative pathogens: Phenotypic, genotypic, and proteomic analysis.
The study identified various AMR genes in multidrug-resistant Gram-negative pathogens, highlighting the prevalence of bla CTX-M-15, bla CMY-42, bla NDM-5, aadA, bla TEM-1B, bla OXA-232, bla NDM-1, rmtB, rmtC, bla VEB, bla VIM-2, aph(3'), strA/B, bla OXA-23, aph (3′), catB, dfrB, bla VIM-2, fosA, oqxA, oqxB, bla OXA-23, bla CARB, bla OXA-91, bla OXA-51, bla PAO, bla SHV, aph (3′)-Ib, aph (6)-Id, mphE, msrE, ermB, mphA, aadA, rmtB, qnrB, dfrA, sul1, sul2, and fosA7.
Extended-spectrum beta-lactamase-producing E. coli from retail meat and workers: genetic diversity, virulotyping, pathotyping and the antimicrobial effect of silver nanoparticles.
The study identified multiple AMR genes in ESBL-producing E. coli from retail meat and workers, including bla IMP, bla TEM, bla CTX-M-1, bla VIM, bla NDM, tetA (A), tetA (B), sul, flo R, and mcr-1. These genes conferred resistance to various antibiotics such as β-lactams, tetracycline, sulfonamides, fluoroquinolones, and colistin.
Acinetobacter baumannii: A multidrug-resistant pathogen, has emerged in Saudi Arabia.
The study highlights the emergence of multidrug-resistant Acinetobacter baumannii in Saudi Arabia, emphasizing the role of beta-lactamases such as blaOXA-23, blaOXA-24/40, and GES-5 in carbapenem resistance.
Surface water in Lower Saxony: A reservoir for multidrug-resistant Enterobacterales.
The study identified multidrug-resistant Enterobacterales in surface water in Lower Saxony, including carbapenemase genes bla KPC-2, bla VIM-1, and bla OXA-181, as well as the colistin resistance gene mcr-9. It also discovered the novel ESBL gene bla CTX-M-32 in surface water.
Screening for Resistant Bacteria, Antimicrobial Resistance Genes, Sexually Transmitted Infections and Schistosoma spp. in Tissue Samples from Predominantly Vaginally Delivered Placentae in Ivory Coast and Ghana.
The study identified multiple beta-lactamase genes, including bla CTX-M, bla IMP, bla GES, bla VIM, bla OXA-58-like, bla NDM, bla OXA-23-like, bla OXA-48-like, and bla KPC, in placental tissue samples from Ivory Coast and Ghana. These genes confer resistance to various beta-lactam antibiotics, indicating a high prevalence of antimicrobial resistance in the studied region.
Phenotypic and Genotypic Analysis of Bacterial Pathogens Recovered from Patients Diagnosed with Fever of Unknown Origin in Egypt.
The study identified bla OXA−48, bla VIM, bla IMP, bla TEM, bla CTX-M, aac(6′)-Ib, and bla SHV as prevalent resistance genes in multidrug-resistant (MDR) bacterial isolates from patients with fever of unknown origin in Egypt.
Extensively drug-resistant Pseudomonas aeruginosa panophthalmitis from contaminated artificial tears.
The study identifies the VIM-80 gene as a key contributor to extensive drug resistance in Pseudomonas aeruginosa causing panophthalmitis, highlighting the importance of cefiderocol as a treatment option.
Impact of acquired broad-spectrum beta-lactamases on susceptibility to oral penems/carbapenems (tebipenem, sulopenem, and faropenem) alone or in combination with avibactam and taniborbactam beta-lactamase inhibitors in Escherichia coli.
The study evaluates the impact of various beta-lactamases on the susceptibility of Escherichia coli to oral penems/carbapenems (tebipenem, sulopenem, and faropenem) and their combinations with beta-lactamase inhibitors avibactam and taniborbactam.
Evaluation of NG-Test CARBA 5 version 2, Cepheid Xpert Carba-R, and carbapenem inactivation methods in comparison to whole-genome sequencing for the identification of carbapenemases in non-fermenting Gram-negative bacilli.
The study evaluated the performance of NG-Test CARBA 5, Xpert Carba-R, and carbapenem inactivation methods for identifying carbapenemases in non-fermenting Gram-negative bacilli. It found that NG-Test CARBA 5 showed good performance for carbapenemase detection in Pseudomonas aeruginosa but had issues with false positives for IMP in Acinetobacter baumannii.
Evaluation of NG-Test CARBA 5 version 2, Cepheid Xpert Carba-R, and carbapenem inactivation methods in comparison to whole-genome sequencing for the identification of carbapenemases in non-fermenting Gram-negative bacilli.
The study evaluated the performance of NG-Test CARBA 5, Xpert Carba-R, and carbapenem inactivation methods for identifying carbapenemases in non-fermenting Gram-negative bacilli. It found that NG-Test CARBA 5 showed good performance for carbapenemase detection in Pseudomonas aeruginosa but had issues with false positives for IMP in Acinetobacter baumannii.
Three separate acquisitions of bla(NDM-1) in three different bacterial species from a single patient.
The study identified three distinct carbapenemase genes, including blaNDM-1, blaOXA-23, and blaVIM-1, in three different bacterial species from a single patient, indicating separate acquisitions of these resistance genes.
Characterization of two novel VIM-type metallo-β-lactamases, VIM-84 and VIM-85, associated with the spread of IncP-2 megaplasmids in Pseudomonas aeruginosa.
Two novel VIM-type metallo-β-lactamases, VIM-84 and VIM-85, were characterized. They confer resistance to β-lactams and are carried on IncP-2 megaplasmids, contributing to the spread of antimicrobial resistance in Pseudomonas aeruginosa.
Characterization of Beta-Lactam Resistome of Escherichia coli Causing Nosocomial Infections.
The study characterized the beta-lactam resistome of Escherichia coli causing nosocomial infections, identifying several beta-lactamase genes including blaTEM, blaCTX, blaSHV, blaBIL, blaDHA, blaCMY, blaIMP, blaLAP, blaP, blaVIM, and blaKPC, which confer resistance to various beta-lactam antibiotics.
Characterization of Carbapenemase- and ESBL-Producing Gram-Negative Bacilli Isolated from Patients with Urinary Tract and Bloodstream Infections.
The study identified multiple carbapenemase and ESBL genes, including bla KPC-2, bla KPC-3, bla NDM, bla CTX-M-15, bla CTX-M-27, bla CTX-M-14, bla SHV-187, bla SHV-12, bla OXA-181, and others, highlighting the diversity of beta-lactam resistance mechanisms in Gram-negative bacteria from urinary tract and bloodstream infections.
Analyses of Extended-Spectrum-β-Lactamase, Metallo-β-Lactamase, and AmpC-β-Lactamase Producing Enterobacteriaceae from the Dairy Value Chain in India.
The study identified several β-lactamase genes, including bla CMY, bla MOX, bla FOX, bla EBC, bla DHA, bla CTX-M1, bla SHV, bla TEM, bla VIM, bla IMP, bla SPM, bla SIM, and bla GIM, in Enterobacteriaceae isolates from milk samples in India, highlighting the presence of multidrug-resistant bacteria in the dairy value chain.
Comparative Genomics Reveals Novel Species and Insights into the Biotechnological Potential, Virulence, and Resistance of Alcaligenes.
The study identifies multiple antimicrobial resistance genes in Alcaligenes species, particularly in clinical isolates, highlighting the presence of genes conferring resistance to β-lactams, aminoglycosides, sulfonamides, and other antibiotics.
Comparative Genomics Reveals Novel Species and Insights into the Biotechnological Potential, Virulence, and Resistance of Alcaligenes.
The study identifies multiple antimicrobial resistance genes in Alcaligenes species, particularly in clinical isolates, highlighting the presence of genes conferring resistance to β-lactams, aminoglycosides, sulfonamides, and other antibiotics.
Uncovering the Resistance Mechanisms in Extended-Drug-Resistant Pseudomonas aeruginosa Clinical Isolates: Insights from Gene Expression and Phenotypic Tests.
The study identified bla GES-2, bla OXA48-like, bla NDM, bla SPM, and bla VIM as the main carbapenemase genes in MDR P. aeruginosa isolates. Overexpression of mex efflux pumps, particularly mex C, was strongly associated with multidrug resistance.
Genomic Characterization of IMP-Producing Pseudomonas aeruginosa in Bulgaria Reveals the Emergence of IMP-100, a Novel Plasmid-Mediated Variant Coexisting with a Chromosomal VIM-4.
The study reports the first occurrence of IMP-producing P. aeruginosa in Bulgaria, identifying a novel plasmid-mediated IMP-100 allele and a chromosomal VIM-4 gene. The p4782-IMP plasmid conferred resistance to multiple antibiotics, including cefiderocol.
In vitro potency of xeruborbactam in combination with multiple β-lactam antibiotics in comparison with other β-lactam/β-lactamase inhibitor (BLI) combinations against carbapenem-resistant and extended-spectrum β-lactamase-producing Enterobacterales.
Xeruborbactam (XER) showed superior in vitro potency against carbapenem-resistant and extended-spectrum β-lactamase-producing Enterobacterales when combined with various β-lactam antibiotics compared to other β-lactam/β-lactamase inhibitor combinations. XER effectively inhibited a wide range of β-lactamases, including metallo-β-lactamases (MBLs) and serine β-lactamases, enhancing the activity of antibiotics such as meropenem, cefepime, ceftolozane, ceftriaxone, aztreonam, piperacillin, and ertapenem.
In vitro potency of xeruborbactam in combination with multiple β-lactam antibiotics in comparison with other β-lactam/β-lactamase inhibitor (BLI) combinations against carbapenem-resistant and extended-spectrum β-lactamase-producing Enterobacterales.
Xeruborbactam (XER) showed superior in vitro potency against carbapenem-resistant and extended-spectrum β-lactamase-producing Enterobacterales when combined with various β-lactam antibiotics compared to other β-lactam/β-lactamase inhibitor combinations. XER effectively inhibited a wide range of β-lactamases, including metallo-β-lactamases (MBLs) and serine β-lactamases, enhancing the activity of antibiotics such as meropenem, cefepime, ceftolozane, ceftriaxone, aztreonam, piperacillin, and ertapenem.
Nationwide molecular epidemiology of carbapenemase-producing Citrobacter spp. in France in 2019 and 2020.
The study identified various carbapenemase genes, including bla OXA-48, bla NDM-1, bla OXA-181, bla VIM-1, and bla VIM-2, along with aminoglycoside resistance genes such as armA, rmtB1, and rmtC, and polymyxin resistance genes mcr9.1 and mcr9.2 in carbapenemase-producing Citrobacter spp. in France.
Nationwide molecular epidemiology of carbapenemase-producing Citrobacter spp. in France in 2019 and 2020.
The study identified various carbapenemase genes, including bla OXA-48, bla NDM-1, bla OXA-181, bla VIM-1, and bla VIM-2, along with aminoglycoside resistance genes such as armA, rmtB1, and rmtC, and polymyxin resistance genes mcr9.1 and mcr9.2 in carbapenemase-producing Citrobacter spp. in France.
Multicenter evaluation of the BIOFIRE Joint Infection Panel for the detection of bacteria, yeast, and AMR genes in synovial fluid samples.
The BIOFIRE Joint Infection Panel demonstrated high sensitivity and specificity for detecting bacteria and antimicrobial resistance (AMR) genes in synovial fluid samples. It effectively identified various AMR genes, including mecA/C and MREJ (MRSA), vanA/B, CTX-M, OXA-48-like, IMP, KPC, NDM, and VIM, in multiple bacterial species.
Acquired bla(VIM) and bla(GES) Carbapenemase-Encoding Genes in Pseudomonas aeruginosa: A Seven-Year Survey Highlighting an Increasing Epidemiological Threat.
The study identified bla(VIM) and bla(GES) carbapenemase-encoding genes as the most prevalent in Pseudomonas aeruginosa clinical strains, highlighting their increasing epidemiological significance.
Prioritization of Critical Factors for Surveillance of the Dissemination of Antibiotic Resistance in Pseudomonas aeruginosa: A Systematic Review.
The study identifies 25 critical mobile antibiotic resistance genes (ARGs) in Pseudomonas aeruginosa, including genes such as sul1, qacEΔ1, aac(6′)-Ib, bla VIM-1, and others, which are associated with various antibiotic classes and are linked to mobile genetic elements (MGEs).
Evaluated gene expressions of Metallo beta lactamase genes GIM and , VIM, SPM in Pseudomonas aeruginosa clinical isolates.
The study evaluated the gene expressions of Metallo-beta-lactamase genes GIM, VIM, and SPM in Pseudomonas aeruginosa clinical isolates, highlighting their role in carbapenem resistance.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Relative inhibitory activities of the broad-spectrum beta-lactamase inhibitor taniborbactam against metallo-beta-lactamases.
The study evaluates the inhibitory activity of taniborbactam against various metallo-beta-lactamases (MBLs), demonstrating that it effectively inhibits most NDM- and VIM-like enzymes but not SIM-1. Specific mutations in VIM-1 and NDM-1 were found to confer resistance to taniborbactam.
Microbiological profile of patients treated for postoperative peritonitis: temporal trends 1999-2019.
The study identifies the presence of carbapenemase genes (blaVIM, blaKPC, blaOXA-48, blaNDM, and blaIMP) in Escherichia coli isolates, indicating resistance to carbapenems. It also notes an increase in multidrug-resistant Enterobacterales, particularly ESBL-producing strains, over time.
Pseudomonas guariconensis Necrotizing Fasciitis, United Kingdom
The case involved Pseudomonas guariconensis carrying a Verona integron-encoded metallo-beta-lactamase gene, leading to reduced susceptibility to β-lactam antimicrobial agents.
Concurrent transmission of multiple carbapenemases in a long-term acute-care hospital.
The study identified bla VIM and bla KPC genes in Pseudomonas aeruginosa and various Enterobacterales, respectively, contributing to carbapenem resistance in a long-term acute-care hospital setting.
Characterization of VIM-29 and VIM-86, two VIM-1 variants isolated in multidrug-resistant Enterobacterales in France.
Characterization of VIM-29 and VIM-86, two VIM-1 variants isolated in multidrug-resistant Enterobacterales in France.
Molecular analysis of metallo-beta-lactamase-producing Pseudomonas aeruginosa in Switzerland 2022-2023.
The study identified blaNDM-1, blaIMP-1, and blaVIM-2 as the primary metallo-beta-lactamase genes responsible for resistance in Pseudomonas aeruginosa isolates in Switzerland. These genes conferred resistance to multiple beta-lactam antibiotics and cefiderocol.
Drug Discovery in the Field of β-Lactams: An Academic Perspective.
This review discusses the current state of beta-lactamase inhibitor research, focusing on novel chemotypes and their mechanisms of action against various beta-lactamase classes, highlighting the importance of structure-based design and the challenges in overcoming resistance.
Multiplex Microarrays in 96-Well Plates Photoactivated with 4-Azidotetrafluorobenzaldehyde for the Identification and Quantification of beta-lactamase Genes and Their RNA Transcripts.
The study developed a novel microarray technique using photoactivated 96-well plates to identify and quantify beta-lactamase genes and their RNA transcripts. The method successfully detected various beta-lactamase genes, including ESBLs, inhibitor-resistant beta-lactamases, and carbapenemases, demonstrating high specificity and reproducibility.
Evaluation of antimicrobial susceptibility tests for Acinetobacter and Pseudomonas species using disks containing a high dose of meropenem.
The study identified several beta-lactamase genes, including blaIMP-1, blaDIM-1, blaNDM-1, blaVIM-1, blaGES-5, blaOXA-23, blaOXA-51-like, and blaADC, which confer resistance to meropenem in Acinetobacter and Pseudomonas species.
Antimicrobial resistance in aeromonads and new therapies targeting quorum sensing.
The paper discusses the prevalence of antimicrobial resistance in Aeromonas species, highlighting the presence of various beta-lactamase genes such as blaTEM-24, blaIMP-19, blaVIM-4, blaKPC-2, blaNDM-1, blaVIM-2, blaOXA-48, blaIMP-13, blaGES-5, blaTEM-1, blaSHV-12, blaVEB-9, blaMOX, blaFOX, blaACC, and others. It also identifies genes like cphA, vat, mcr-3.41, mcr-7.1, sul, dfr, tetA, rsmA, and adeF associated with resistance to sulfonamides, trimethoprim, tetracycline, polymyxin, and other antibiotics. The study emphasizes the role of horizontal gene transfer and mobile genetic elements in the dissemination of these resistance genes.
Antimicrobial Resistance in Salmonella spp. from Food-Producing Animals and Human Cases in the EU
The study identifies several AMR genes, including bla CTX-M-1, bla CTX-M-14b, bla SHV-12, tet(X3), and tet(X4), in Salmonella isolates from food-producing animals and human cases in the EU. These genes confer resistance to various antibiotics, highlighting the spread of multidrug-resistant Salmonella strains.
Clonal Distribution and Its Association With the Carbapenem Resistance Mechanisms of Carbapenem-Non-Susceptible Pseudomonas aeruginosa Isolates From Korean Hospitals.
Carbapenem resistance in Pseudomonas aeruginosa isolates from Korean hospitals is mainly due to frameshift mutations in the oprD gene, along with the production of metallo-beta-lactamases (blaIMP-6, blaVIM-2, blaNDM-1) or hyperproduction of AmpC beta-lactamase.
Biofilm formation and antimicrobial resistance pattern of uropathogenic E. coli ST131 isolated from children with malignant tumors.
The study identified carbapenem resistance genes blaVIM, blaNDM, blaKPC, and blaIMP in E. coli ST131 isolates, along with biofilm-related genes lasR, pelA, and lecA. ST131 isolates showed higher antimicrobial resistance and biofilm-forming capabilities compared to non-ST131 isolates.
Prospective observational pilot study of the T2Resistance panel in the T2Dx system for detection of resistance genes in bacterial bloodstream infections.
The T2Resistance panel effectively detected various resistance genes in bacterial bloodstream infections, including bla KPC, bla NDM /bla IMP /bla VIM, bla CTXM-14/15, bla AmpC, and mec A/ mec C, demonstrating high sensitivity and rapid detection times.
Carbapenem-resistant hypervirulent ST23 Klebsiella pneumoniae with a highly transmissible dual-carbapenemase plasmid in Chile.
The study identifies a novel dual-carbapenemase plasmid in a hypervirulent ST23 Klebsiella pneumoniae strain from Chile, encoding KPC-2 and VIM-1 carbapenemases, which confer resistance to multiple beta-lactam antibiotics.
Enterobacter asburiae ST229: an emerging carbapenemases producer.
The study identifies the first case of Enterobacter asburiae ST229 co-harboring bla NDM-1 and bla VIM-1 carbapenemase genes in Italy, highlighting the emergence of carbapenemases in low-risk pathogens.
Biofilm-producing and carbapenems-resistant Escherichia coli nosocomial uropathogens: a cross-sectional study.
The study identified blaOXA48 and blaVIM genes as contributors to carbapenem resistance in biofilm-producing UPEC isolates, highlighting the need for targeted infection control measures.
Prevalence and characteristics of ertapenem-mono-resistant isolates among carbapenem-resistant Enterobacterales in China.
The study identified carbapenemase genes (bla KPC, bla NDM, bla IMP-4, bla OXA-181, and bla VIM-1) and porin mutations contributing to ertapenem-mono-resistance in carbapenem-resistant Enterobacterales (CRE) in China. ETP-mono-resistant CRE strains showed lower carbapenemase positivity and higher susceptibility to certain antibiotics compared to MEM/IPM-resistant strains.
Activity of Epsilon-poly-L-lysine against Multidrug-Resistant Pseudomonas aeruginosa and Klebsiella pneumoniae Isolates of Urinary Tract Infections.
The study identified various beta-lactamase genes, including blaSPM, blaKPC, blaSHV, blaCTX-M, blaOXA, blaTEM, blaPER, blaVIM, and blaVIM-2 in Pseudomonas aeruginosa, and blaCTX-M, blaTEM, blaKPC, blaNDM, and blaOXA in Klebsiella pneumoniae. Additionally, aac(3)-IV, aadA1, aac(3)-II, sul2, sul1, sul3, dfrA, cmlA, and tetA were found to confer resistance to aminoglycosides, sulfonamides, trimethoprim, chloramphenicol, and tetracyclines.
Activity of Epsilon-poly-L-lysine against Multidrug-Resistant Pseudomonas aeruginosa and Klebsiella pneumoniae Isolates of Urinary Tract Infections.
The study identified various beta-lactamase genes, including blaSPM, blaKPC, blaSHV, blaCTX-M, blaOXA, blaTEM, blaPER, blaVIM, and blaVIM-2 in Pseudomonas aeruginosa, and blaCTX-M, blaTEM, blaKPC, blaNDM, and blaOXA in Klebsiella pneumoniae. Additionally, aac(3)-IV, aadA1, aac(3)-II, sul2, sul1, sul3, dfrA, cmlA, and tetA were found to confer resistance to aminoglycosides, sulfonamides, trimethoprim, chloramphenicol, and tetracyclines.
Emergence of pandrug-resistant carbapenemase-producing Enterobacterales in dogs and cats: a cross-sectional study in Egypt.
The study identified multiple carbapenemase genes, including bla_OXA-181, bla_IMP, bla_OXA-48-like, bla_KPC, bla_VIM, and bla_NDM, in carbapenem-resistant Enterobacterales isolated from dogs and cats in Egypt.
The ICU environment contributes to the endemicity of the "Serratia marcescens complex" in the hospital setting.
The study identifies blaVIM-1 and blaOXA-48 as carbapenemase genes in Serratia isolates from ICU sinks, highlighting their role in carbapenem resistance and persistence in hospital environments.
Difficult-to-treat (DTR) Pseudomonas aeruginosa harboring Verona-Integron metallo-beta-lactamase (blaVIM): infection management and molecular analysis.
The study identifies blaVIM-2 as a gene responsible for carbapenem resistance in Pseudomonas aeruginosa, highlighting its role in difficult-to-treat infections and the need for targeted infection control measures.
Comprehensive analysis of antimicrobial resistance in the Southwest Indian Ocean: focus on WHO critical and high priority pathogens.
The study identifies multiple carbapenem-resistant Enterobacterales, Acinetobacter spp., Pseudomonas spp., and vancomycin-resistant Enterococcus spp. with various resistance genes such as bla NDM-1, bla NDM-4, bla NDM-5, bla NDM-6, bla OXA-181, bla IMI-1, bla OXA-23, bla OXA-24, bla OXA-58, bla VIM-2, and vanA.
Molecular characterization and descriptive analysis of carbapenemase-producing Gram-negative rod infections in Bogota, Colombia.
The study identified blaKPC-2 and blaKPC-3 as the most prevalent carbapenemase-encoding genes in carbapenem-resistant Gram-negative rods in Bogota, Colombia. These genes were frequently found in co-occurrence with blaVIM-2 and blaNDM-1 in healthcare-acquired infections.
Biodiversity of carbapenem-resistant bacteria in clinical samples from the Southwest Amazon region (Rondônia/Brazil).
The study identified various carbapenemase-encoding genes, including bla KPC -like, bla NDM -like, bla OXA-23 -like, bla OXA-58 -like, bla OXA-143 -like, bla OXA-48 -like, bla SPM -like, bla VIM -like, and bla IMP -like, in carbapenem-resistant bacteria from Rondônia, Brazil.
Antimicrobial combination effects against multidrug-resistant Acinetobacter baumannii and Pseudomonas aeruginosa strains: A cross-sectional study.
The study identified several beta-lactamase genes, including bla OXA-23, bla OXA-58, bla OXA-48, bla VIM, bla IMP, and bla NDM, which confer resistance to carbapenems in multidrug-resistant Acinetobacter baumannii and Pseudomonas aeruginosa strains.
The Distribution of Carbapenem-Resistant Acinetobacter Species and High Prevalence of CC92 OXA-23-Producing Acinetobacter Baumannii in Community Hospitals in South Korea.
The study identified blaOXA-23 as the dominant carbapenem resistance gene in Acinetobacter baumannii isolates from community hospitals in South Korea, with additional detection of blaNDM-1 and blaVIM-2 in non-baumannii Acinetobacter species.
Relative inhibitory activities of the broad-spectrum β-lactamase inhibitor xeruborbactam in comparison with taniborbactam against metallo-β-lactamases produced in Escherichia coli and Pseudomonas aeruginosa.
Relative inhibitory activities of the broad-spectrum β-lactamase inhibitor xeruborbactam in comparison with taniborbactam against metallo-β-lactamases produced in Escherichia coli and Pseudomonas aeruginosa.
Genome analyses of colistin-resistant high-risk bla(NDM-5) producing Klebsiella pneumoniae ST147 and Pseudomonas aeruginosa ST235 and ST357 in clinical settings.
The study identifies mgrB deletion and mutations in pmrB, eptA, arnT, eptB, ompA, basS, basR, arnA, cprR, and cprS as key mechanisms of colistin resistance in K. pneumoniae and P. aeruginosa.
Potential involvement of beta-lactamase homologous proteins in resistance to beta-lactam antibiotics in gram-negative bacteria of the ESKAPEE group.
The study identifies and characterizes beta-lactamase homologous proteins in gram-negative bacteria of the ESKAPEE group, highlighting their potential role in resistance to beta-lactam antibiotics.
Patient outcomes by baseline pathogen resistance phenotype and genotype in CERTAIN-1, a Phase 3 study of cefepime-taniborbactam versus meropenem in adults with complicated urinary tract infection.
The study characterizes various AMR genes and mutations in Enterobacterales and Pseudomonas aeruginosa, including bla CTX-M-15, bla OXA-1, bla OXA-181, bla OXA-48, bla NDM-1, bla KPC-3, bla VIM-2, ampC, cmrA, mexAB-OprM, mexXY-OprM, oprD, ompK35, ompK36, and ftsI, which confer resistance to cefepime and carbapenems.
Multidrug-Resistant Bacteria in Surgical Intensive Care Units: Antibiotic Susceptibility and β-Lactamase Characterization.
The study identified OXA-48 carbapenemase in 82.9% of K. pneumoniae isolates and NDM in 7.3%. bla CTX-M-15, bla SHV, and bla OXA-1 were also detected. Additionally, aac(6")-Ib, dfrA14, oqxA, and oqxB were found to confer resistance to aminoglycosides, trimethoprim, and fluoroquinolones.
Genetic Characteristics of Novel Inc(pSE5381-aadB) Plasmids, Integrative and Mobilizable Elements, and Integrative and Conjugative Elements in Pseudomonas aeruginosa.
The study identifies three novel bla OXA variants (bla OXA-1202, bla OXA-1203, and bla OXA-1204) in Pseudomonas aeruginosa, which confer resistance to beta-lactam antibiotics, including amoxicillin, ampicillin, ceftazidime, and cefoxitin.
A comparative evaluation of five phenotypic methods for identification of carbapenemase-producing Enterobacteriaceae: a modified carbapenemase detection test.
The study evaluates five phenotypic methods for detecting carbapenemase-producing Enterobacteriaceae, highlighting the modified Carba NP (mCNP) test as having the highest sensitivity (95.06%) for carbapenemase detection.
The Rising Tide of Antibiotic Resistance: A Study on Extended-Spectrum Beta-Lactamase and Carbapenem-Resistant Escherichia coli and Klebsiella pneumoniae.
The study identifies the presence of extended-spectrum beta-lactamase (ESBL)-producing and carbapenem-resistant Enterobacterales, specifically Escherichia coli and Klebsiella pneumoniae, in clinical settings in Pakistan. Key resistance genes include bla CTX-M, bla TEM, bla SHV, bla NDM, bla VIM, and bla IMP.
Resistance to ceftazidime-avibactam and other new β-lactams in Pseudomonas aeruginosa clinical isolates: a multi-center surveillance study.
The study identified metallo-beta-lactamases (VIM-2, VIM-1, FIM-1), extended-spectrum beta-lactamases (PER-1, GES-1), and other beta-lactamase genes as the primary mechanisms of resistance to ceftazidime-avibactam in Pseudomonas aeruginosa clinical isolates.
Resistance to ceftazidime-avibactam and other new β-lactams in Pseudomonas aeruginosa clinical isolates: a multi-center surveillance study.
The study identified metallo-beta-lactamases (VIM-2, VIM-1, FIM-1), extended-spectrum beta-lactamases (PER-1, GES-1), and other beta-lactamase genes as the primary mechanisms of resistance to ceftazidime-avibactam in Pseudomonas aeruginosa clinical isolates.
Molecular characterization and epidemiological investigation of colistin resistance in carbapenem-resistant Klebsiella pneumoniae in a tertiary care hospital in Tehran, Iran.
The study identified mcr-1 as a cause of colistin resistance in CRKP isolates and characterized multiple carbapenemase genes, including bla OXA−48, bla KPC, bla VIM, bla IMP, and bla NDM.
Antimicrobial Resistance in Carbapenem-Resistant Acinetobacter baumannii and Pseudomonas aeruginosa: Mechanisms, Spread, and Environmental Impacts
The paper discusses the prevalence of carbapenem-resistant Acinetobacter baumannii (CRAB) and Pseudomonas aeruginosa (CRPA) in hospital and municipal wastewater, highlighting the role of antibiotic resistance genes (ARGs) in the spread of carbapenem resistance. It emphasizes the environmental impact of antibiotic resistance and the need for better management strategies.
Antimicrobial Resistance in Carbapenem-Resistant Acinetobacter baumannii and Pseudomonas aeruginosa: Mechanisms, Spread, and Environmental Impacts
The paper discusses the prevalence of carbapenem-resistant Acinetobacter baumannii (CRAB) and Pseudomonas aeruginosa (CRPA) in hospital and municipal wastewater, highlighting the role of antibiotic resistance genes (ARGs) in the spread of carbapenem resistance. It emphasizes the environmental impact of antibiotic resistance and the need for better management strategies.
Antimicrobial Resistance in Carbapenem-Resistant Acinetobacter baumannii and Pseudomonas aeruginosa: Mechanisms, Spread, and Environmental Impacts
The paper discusses the prevalence of carbapenem-resistant Acinetobacter baumannii (CRAB) and Pseudomonas aeruginosa (CRPA) in hospital and municipal wastewater, highlighting the role of antibiotic resistance genes (ARGs) in the spread of carbapenem resistance. It emphasizes the environmental impact of antibiotic resistance and the need for better management strategies.
Antimicrobial Resistance in Carbapenem-Resistant Acinetobacter baumannii and Pseudomonas aeruginosa: Mechanisms, Spread, and Environmental Impacts
The paper discusses the prevalence of carbapenem-resistant Acinetobacter baumannii (CRAB) and Pseudomonas aeruginosa (CRPA) in hospital and municipal wastewater, highlighting the role of antibiotic resistance genes (ARGs) in the spread of carbapenem resistance. It emphasizes the environmental impact of antibiotic resistance and the need for better management strategies.
Emergence of heteroresistance to carbapenems in Gram-negative clinical isolates from two Egyptian hospitals.
The study identified carbapenemase genes such as bla NDM-1, bla VIM-2, bla GIM-1, and bla OXA-48 like in heteroresistant Gram-negative clinical isolates, highlighting their role in carbapenem resistance.
Performance of Flow Cytometry-Based Rapid Assay in Detection of Carbapenemase-Producing Enterobacterales.
The study evaluated a flow cytometry-based rapid assay for detecting and differentiating carbapenemase-producing Enterobacterales. It identified blaVIM-1, blaOXA-48, and blaKPC-2 as the most prevalent carbapenemase genes in the isolates analyzed.
Detection of Klebsiella pneumoniae Carbapenem Resistance Genes by qPCR: Choosing the Right Method for Total DNA Extraction.
The study evaluates various DNA extraction methods for the detection of carbapenem resistance genes in Klebsiella pneumoniae using qPCR, highlighting the importance of selecting the right method for reliable resistance gene detection.
Correlation between Antibiotics-Resistance, Virulence Genes and Genotypes among Klebsiella pneumoniae Clinical Strains Isolated in Guangzhou, China.
The study identified carbapenemase genes KPC, VIM, and NDM, along with virulence genes entB, mrkD, ybtS, kfu, iutA, rmpA, and allS in Klebsiella pneumoniae clinical isolates. High resistance rates to penicillin and cephalosporins were observed, with KPC being the most prevalent carbapenemase gene.
Characterization of a novel multi-resistant Pseudomonas juntendi strain from China with chromosomal bla(VIM-2) and a megaplasmid coharboring bla(IMP-1-like) and bla(OXA-1).
The study identifies a novel multi-resistant Pseudomonas juntendi strain, L4326, which harbors a chromosomal bla(VIM-2) and a megaplasmid co-harboring bla(IMP-1-like) and bla(OXA-1).
Three prolonged outbreaks of metallo-β-lactamase-producing Pseudomonas aeruginosa in an Upper Austrian hospital, 2017-2023.
The study identified three distinct genomic clusters of metallo-beta-lactamase-producing Pseudomonas aeruginosa (MBL-Pa) in an Austrian hospital, linked to prolonged outbreaks. Key resistance genes included blaVIM-2, blaVIM-1, and blaIMP-13, which conferred resistance to carbapenems, cephalosporins, and penicillins.
Three prolonged outbreaks of metallo-β-lactamase-producing Pseudomonas aeruginosa in an Upper Austrian hospital, 2017-2023.
The study identified three distinct genomic clusters of metallo-beta-lactamase-producing Pseudomonas aeruginosa (MBL-Pa) in an Austrian hospital, linked to prolonged outbreaks. Key resistance genes included blaVIM-2, blaVIM-1, and blaIMP-13, which conferred resistance to carbapenems, cephalosporins, and penicillins.
Evaluation of the Xpert Carba-R assay for quantifying carbapenemase-producing bacterial load in stool samples.
The study evaluated the Xpert Carba-R assay for quantifying carbapenemase-producing bacterial load in stool samples, demonstrating the ability to estimate bacterial loads for bla NDM, bla KPC, and bla OXA-48 with acceptable accuracy, while bla IMP-1 and bla VIM showed higher limits of detection.
Plasmid-Mediated Spread of Carbapenem Resistance in Enterobacterales: A Three-Year Genome-Based Survey.
The study identified various carbapenemase genes, including KPC-2, KPC-3, OXA-48, NDM-1, NDM-5, VIM-1, OXA-23, and OXA-72, which contribute to carbapenem resistance in Enterobacterales. These genes were found in multiple species and were associated with plasmid-mediated resistance.
Biofilm Formation and Antibiotic Resistance Profiles in Carbapenemase-Producing Gram-Negative Rods-A Comparative Analysis between Screening and Pathological Isolates.
The study identified carbapenemase genes bla OXA-48-like, bla NDM, and bla VIM in clinical isolates of Klebsiella pneumoniae, Acinetobacter baumannii, and Pseudomonas aeruginosa. These genes were associated with carbapenem resistance but were not the main determinants of resistance in screening isolates.
Resistance and Co-Resistance of Metallo-Beta-Lactamase Genes in Diarrheal and Urinary-Tract Pathogens in Bangladesh.
The study identified blaNDM-1 and blaVIM genes in diarrheal and urinary-tract pathogens in Bangladesh, showing significant resistance to carbapenems and other beta-lactam antibiotics.
Molecular characterization of superbugs K. pneumoniae harboring extended-spectrum β-lactamase (ESBL) and carbapenemase resistance genes among hospitalized patients in southwestern Iran, Western Asia.
The study identified several AMR genes in K. pneumoniae isolates, including blaSHV, blaTEM, blaCTX-M, blaOXA-48, and blaVIM, which confer resistance to various β-lactam antibiotics. These genes were detected in clinical isolates from hospitalized patients in southwestern Iran.
Impact of AbaI mutation on virulence, biofilm development, and antibiotic susceptibility in Acinetobacter baumannii.
The study shows that the abaI gene deletion in Acinetobacter baumannii leads to increased susceptibility to several antibiotics, including imipenem, meropenem, gentamicin, kanamycin, tetracycline, and vancomycin, despite the upregulation of metallo-beta-lactamase (MBL) superfamily proteins and DcaP-like protein. The findings suggest that the abaI gene plays a significant role in modulating antibiotic resistance and virulence in A. baumannii.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Cefepime-taniborbactam activity against antimicrobial-resistant clinical isolates of Enterobacterales and Pseudomonas aeruginosa: GEARS global surveillance programme 2018-22.
Cefepime-taniborbactam showed potent in vitro activity against Enterobacterales and P. aeruginosa, particularly effective against isolates with carbapenemase genes such as blaIMP, blaNDM, and blaVIM, as well as those with mutations in ftsI, ompK35, and ompK36.
Evaluation of an expanded antibiotic resistance gene panel on prediction of antimicrobial susceptibility results for Gram-negative bacteria in blood cultures.
The study evaluated the QIAstat-Dx BCID panel for detecting antibiotic resistance genes in Gram-negative bacteria from blood cultures. It found that the panel effectively identified several resistance genes, including bla CTX-M, bla KPC, bla NDM, and others, which are crucial for predicting antimicrobial susceptibility. The panel showed high sensitivity and specificity for identifying resistance genes and predicting susceptibility, especially for beta-lactam antibiotics.
VIM-1-producing Enterobacter asburiae with mobile colistin resistance genes from wastewaters.
Three VIM-1-producing Enterobacter asburiae isolates were detected in hospital and municipal wastewaters, carrying blaVIM-1, mcr-10, and mcr-9 genes. These isolates exhibited multidrug resistance and highlighted the role of wastewaters in the spread of antimicrobial resistance.
Molecular epidemiology and carbapenem resistance mechanisms of Pseudomonas aeruginosa isolated from a hospital in Fujian, China.
The study identifies several carbapenem resistance mechanisms in Pseudomonas aeruginosa, including carbapenemase genes (blaIMP, blaVIM, blaNDM, blaKPC), mutations in the outer membrane porins oprD and opdP, and overexpression of multidrug efflux pumps.
Molecular epidemiology and carbapenem resistance mechanisms of Pseudomonas aeruginosa isolated from a hospital in Fujian, China.
The study identifies several carbapenem resistance mechanisms in Pseudomonas aeruginosa, including carbapenemase genes (blaIMP, blaVIM, blaNDM, blaKPC), mutations in the outer membrane porins oprD and opdP, and overexpression of multidrug efflux pumps.
Antimicrobial susceptibility to last-resort antibiotics in carbapenemase-producing bacteria from Ukrainian patients.
The study identified multiple carbapenemase genes, including blaNDM, blaOXA-48, blaKPC, blaIMP, blaVIM, and blaGES, which confer resistance to last-resort antibiotics in carbapenemase-producing bacteria from Ukrainian patients.
Understanding epistatic networks in the B1 beta-lactamases through coevolutionary statistical modeling and deep mutational scanning.
The study characterizes the epistatic networks in B1 beta-lactamases, focusing on NDM-1 and VIM-2, and identifies sequence-specific mutational heterogeneities that contribute to resistance against β-lactam antibiotics.
The enhanced antibacterial and antibiofilm properties of titanium dioxide nanoparticles biosynthesized by multidrug-resistant Pseudomonas aeruginosa.
The study identified the blaOXA-48 gene as the most prevalent carbapenemase gene in multidrug-resistant Pseudomonas aeruginosa isolates, contributing to carbapenem resistance.
Gram-Negative Bacilli Blood Stream Infection in Patients with Severe Burns: Microbiological and Clinical Evidence from a 9-Year Cohort.
The study identified several carbapenemase genes, including bla VIM, bla GES, and various OXA-like genes, in Gram-negative bacilli causing bloodstream infections in burn patients, highlighting the prevalence of multidrug-resistant strains.
Blood-rsCDM: a new rapid and simplified carbapenemase detection method for detecting carbapenemases in Enterobacterales directly from positive blood cultures.
The study presents a new rapid and simplified method, Blood-rsCDM, for detecting and characterizing carbapenemases in Enterobacterales directly from positive blood cultures. It effectively identifies various carbapenemase types, including KPC, NDM, IMP, VIM, and OXA-181, with high sensitivity and specificity.
Critical resistance to carbapenem and aminoglycosides in Pseudomonas aeruginosa: spread of bla(NDM)/16S methylase armA harboring isolates with intrinsic resistance mechanisms in Kerman, Iran.
The study identified multiple carbapenemase genes (bla_NDM, bla_IMP, bla_VIM, bla_SIM, bla_GES) and the 16S rRNA methylase gene armA in carbapenem-resistant Pseudomonas aeruginosa isolates from Kerman, Iran. These genes contribute to resistance against carbapenems and aminoglycosides, highlighting the complex resistance mechanisms in these isolates.
Development and Validation of a Point-of-Care Platform for Rapid Detection of ESBL and Carbapenemase Genes Using URECA-LAMP
The study presents a novel machine-learning-aided platform called URECA-LAMP for the rapid detection of ESBLs and carbapenemases in clinical isolates and urine samples. The platform uses LAMP technology combined with a smartphone application for automated interpretation of results, achieving high agreement rates with WGS results.
Prevalence and Molecular Epidemiology of Intestinal Colonization by Multidrug-Resistant Bacteria among Hematopoietic Stem-Cell Transplantation Recipients: A Bulgarian Single-Center Study.
The study identified several AMR genes including bla CTX-M, bla TEM, bla SHV, bla VIM, and vanA in multidrug-resistant bacteria isolated from HSCT recipients. These genes were associated with resistance to various antibiotics such as beta-lactams, carbapenems, and glycopeptides.
Genomic Characterization of 16S rRNA Methyltransferase-Producing Enterobacterales Reveals the Emergence of Klebsiella pneumoniae ST6260 Harboring rmtF, rmtB, bla(NDM-5), bla(OXA-232) and bla(SFO-1) Genes in a Cancer Hospital in Bulgaria.
The study identifies the emergence of Klebsiella pneumoniae ST6260 harboring multiple AMR genes, including rmtF, rmtB, bla(NDM-5), bla(OXA-232), and bla(SFO-1), highlighting the complexity of resistance mechanisms in Enterobacterales.
Genomic Characterization of 16S rRNA Methyltransferase-Producing Enterobacterales Reveals the Emergence of Klebsiella pneumoniae ST6260 Harboring rmtF, rmtB, bla(NDM-5), bla(OXA-232) and bla(SFO-1) Genes in a Cancer Hospital in Bulgaria.
The study identifies the emergence of Klebsiella pneumoniae ST6260 harboring multiple AMR genes, including rmtF, rmtB, bla(NDM-5), bla(OXA-232), and bla(SFO-1), highlighting the complexity of resistance mechanisms in Enterobacterales.
Genomic Characterization of 16S rRNA Methyltransferase-Producing Enterobacterales Reveals the Emergence of Klebsiella pneumoniae ST6260 Harboring rmtF, rmtB, bla(NDM-5), bla(OXA-232) and bla(SFO-1) Genes in a Cancer Hospital in Bulgaria.
The study identifies the emergence of Klebsiella pneumoniae ST6260 harboring multiple AMR genes, including rmtF, rmtB, bla(NDM-5), bla(OXA-232), and bla(SFO-1), highlighting the complexity of resistance mechanisms in Enterobacterales.
Myroides species, pathogenic spectrum and clinical microbiology sight in Mexican isolates.
The study identified multiple AMR genes in Myroides spp. isolates, including beta-lactamases (blaIMP-27, blaIMP-35, blaGOB-16, blaMUS-1, blaOXA-229, blaOXA-351, blaOXA-97), erythromycin esterase (ereB), and polymyxin resistance genes (mcr-3.6, mcr-3.7, mcr-3.10), indicating a high level of multidrug resistance.
Public health concern of antimicrobial resistance and virulence determinants in E. coli isolates from oysters in Egypt.
The study identified multiple AMR genes in E. coli isolates from oysters in Egypt, including bla TEM, bla CTX-M, bla SHV, bla OXA-1, bla CMY-2, bla KPC, bla NDM, bla OXA-48, and bla VIM, as well as virulence genes such as papC, sfa, exhA, eaeA, and estA.
Prevalence of bla(OXA-48) and other carbapenemase encoding genes among carbapenem-resistant Pseudomonas aeruginosa clinical isolates in Egypt.
The study identified blaVIM, blaOXA-48, blaKPC, blaIMP, blaGES, and blaNDM as prevalent carbapenemase encoding genes among carbapenem-resistant P. aeruginosa isolates in Egypt. blaOXA-48 was frequently associated with the Tn1999 transposon.
Carbapenemase-producing bacteria recovered from Nairobi River, Kenya surface water and from nearby anthropogenic and zoonotic sources.
The study identified multiple carbapenemase-encoding genes, including bla NDM, bla KPC, bla VIM, bla OXA-48-like, bla IMP, and bla GES, in various bacterial species from Nairobi River and surrounding environments.
Molecular characteristics and antibiotic resistance mechanisms of multidrug-resistant Pseudomonas aeruginosa in Nanning, China.
The study identified NDM-1, IMP-9, VIM-2, and KPC-2 carbapenemase genes as major contributors to multidrug resistance in Pseudomonas aeruginosa strains in Nanning, China.
Antimicrobial Resistance in Acinetobacter baumannii and Carbapenem-Resistant Enterobacteriaceae
The paper discusses the mechanisms of carbapenem resistance in various bacterial species, highlighting the roles of beta-lactamases such as KPC, NDM, VIM, IMP, and OXA-48. These genes are plasmid-encoded and facilitate horizontal gene transfer, contributing to multidrug resistance.
Antibiotic resistance genotype, phenotype, and clinical outcomes in patients with Gram-negative infections at Rabin Medical Center in Israel.
The study identified blaCTX-M-15 as associated with multidrug-resistance in E. coli, blaOXA-72 copy number as predictive of meropenem MIC in A. baumannii, and RJX84154 as associated with multidrug-resistance across multiple pathogens.
The association between the genetic structures of commonly incompatible plasmids in Gram-negative bacteria, their distribution and the resistance genes.
The study characterizes various resistance genes carried by incompatible plasmids in Gram-negative bacteria, highlighting their role in the spread of antibiotic resistance. Key genes include beta-lactamases like bla VIM-1, bla SHV-12, bla TEM-1B, and bla CTX-M-15, as well as sulfonamide resistance genes sul1 and sul2, tetracycline resistance gene tetA, and polymyxin resistance gene mcr-1.
The association between the genetic structures of commonly incompatible plasmids in Gram-negative bacteria, their distribution and the resistance genes.
The study characterizes various resistance genes carried by incompatible plasmids in Gram-negative bacteria, highlighting their role in the spread of antibiotic resistance. Key genes include beta-lactamases like bla VIM-1, bla SHV-12, bla TEM-1B, and bla CTX-M-15, as well as sulfonamide resistance genes sul1 and sul2, tetracycline resistance gene tetA, and polymyxin resistance gene mcr-1.
Molecular Epidemiology and Clinical Characterization of Carbapenemase-Producing Enterobacter Species From an International Cohort.
The study identifies bla KPC, bla NDM, bla IMP, bla IMI, and bla VIM as the primary carbapenemase genes in carbapenemase-producing Enterobacter species, along with fluoroquinolone resistance mutations in gyrA and parC, and porin gene mutations in ompF and ompC.
Activity of ceftolozane/tazobactam and comparators against gram-negative bacilli: Results from the Study for Monitoring Antimicrobial Resistance Trends (SMART - Brazil), 2018‒2021.
The study identified several beta-lactamase genes, including bla KPC-2, bla CTX-M variants, and bla NDM-1, which confer resistance to carbapenems and cephalosporins in Gram-negative bacilli in Brazil. These genes were detected in Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa isolates.
Activity of ceftolozane/tazobactam and comparators against gram-negative bacilli: Results from the Study for Monitoring Antimicrobial Resistance Trends (SMART - Brazil), 2018‒2021.
The study identified several beta-lactamase genes, including bla KPC-2, bla CTX-M variants, and bla NDM-1, which confer resistance to carbapenems and cephalosporins in Gram-negative bacilli in Brazil. These genes were detected in Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa isolates.
Epidemiological and genetic characteristics of clinical carbapenemase-producing Enterobacterales isolates from Batna hospitals in Algeria.
The study identified bla OXA−48−like, bla NDM, bla VIM, and bla KPC genes as the primary carbapenemase genes in carbapenem-resistant Enterobacterales isolates from Batna hospitals in Algeria. It also reported novel combinations of these genes, highlighting the complexity of resistance mechanisms.
Neutral drift upon threshold-like selection promotes variation in antibiotic resistance phenotype.
The study shows that neutral drift along threshold-like fitness landscapes can generate and maintain high phenotypic variation in antibiotic resistance, even under low antibiotic concentrations, demonstrating the emergence of high-resistance variants from a low-resistance starting population.
Import of global high-risk clones is the primary driver of carbapenemase-producing Pseudomonas aeruginosa in Norway.
The study identifies the emergence of carbapenemase-producing Pseudomonas aeruginosa in Norway, primarily linked to international travel and hospitalization, highlighting the importance of genomic surveillance and infection control measures.
National Multicenter Study on the Prevalence of Carbapenemase-Producing Enterobacteriaceae in the Post-COVID-19 Era in Argentina: The RECAPT-AR Study.
The study identified bla NDM, bla KPC, and bla OXA-163 as the main carbapenemase genes in Enterobacterales isolates from Argentina, with NDM and KPC being the most prevalent.
Tracking Multidrug Resistance in Gram-Negative Bacteria in Alexandria, Egypt (2020-2023): An Integrated Analysis of Patient Data and Diagnostic Tools.
The study identified bla NDM-5 as the most prevalent carbapenemase gene in E. coli isolates from Alexandria, Egypt, along with other resistance genes such as bla OXA-48, bla VIM, bla CTX-M-15, aadA2, aac(6')-Ib, qnrS1, dfrA12, sul1, and sul2.
Characterization of Metallo β-Lactamase Producing Enterobacterales Isolates with Susceptibility to the Aztreonam/Avibactam Combination.
The study characterizes metallo-beta-lactamase producing Enterobacterales isolates and identifies resistance mechanisms, including blaNDM-1 and blaVIM-1 genes, as well as mutations in ompK36, pmrB, gyrA, and parC that contribute to resistance against carbapenems, colistin, and fluoroquinolones.
First VIM-producing representative of Pseudomonas putida group from the largest Bulgarian hospital.
The study reports the first VIM-2-producing Pseudomonas kurunegalensis isolate from Bulgaria, demonstrating resistance to carbapenems and susceptibility only to colistin and tobramycin.
ESKAPE pathogens rapidly develop resistance against antibiotics in development in vitro.
The study identifies that ESKAPE pathogens rapidly develop resistance against antibiotics in development in vitro, with resistance mutations already present in natural populations and mobile resistance genes prevalent in clinical isolates, soil, and human gut microbiomes.
Evidence of dissemination of a clc-type integrative and conjugative element to Stenotrophomonas maltophilia, mediating acquisition of sul1 and other resistance determinants.
The study reports the isolation of a Stenotrophomonas maltophilia strain carrying a clc-type integrative and conjugative element (ICE) that mediates the acquisition of multiple resistance determinants, including sul1, blaVIM-1, aac(6')-Ib, aac(6')-31, qacE∆1, cld, and merEDAPTR.
Comparative analysis of salivary antimicrobial resistance genes in dental students: A PCR and questionnaire study.
The study identified several antimicrobial resistance (AMR) genes in the saliva of dental students, including blaCTX-M grp 1, blaCTX-M grp 9, blaCTX-M grp 8, blaOXA-48, blaKPC-1, blaVIM, DHA, ACC, MOX, armA, and rmtB. These genes are associated with resistance to beta-lactams, carbapenems, and aminoglycosides.
Clinical evaluation of a multiplex droplet digital PCR for diagnosing suspected bloodstream infections: a prospective study.
The study evaluated a multiplex droplet digital PCR (ddPCR) assay for diagnosing bloodstream infections, identifying key AMR genes such as bla KPC, bla NDM, bla VIM, bla IMP, bla OXA48, vanA, vanM, and mecA in clinical isolates.
Double carbapenemases in Klebsiella pneumoniae blood isolates: dissemination in a single medical center via multiple plasmids and a variety of highly efficient clones.
The study identifies bla KPC-2, bla KPC-3, and bla VIM-1 genes as the primary carbapenemase genes responsible for resistance in Klebsiella pneumoniae blood isolates. These genes were found on separate plasmids and contributed to extensive drug resistance.
Occurrence of "under-the-radar" antibiotic resistance in anthropogenically affected produce.
The study identifies several clinically relevant AMR genes, including beta-lactamases (bla CTX-M, bla TEM, bla SHV, bla VIM-1), aminoglycoside resistance genes (aadA5, dfrA17, mph(A)), quinolone resistance gene (qnrS1), and sulfonamide resistance gene (sul1), which were found in anthropogenically affected lettuce samples. These genes were associated with multidrug-resistant (MDR) Enterobacteriaceae and were capable of horizontal gene transfer.
Comparative analysis of selected methods of carbapenemase determination among clinical Klebsiella pneumoniae.
The study evaluated methods for detecting carbapenemase-producing Klebsiella pneumoniae strains, identifying NDM, KPC, OXA-48, and VIM carbapenemases as the most prevalent.
Antimicrobial activity of peptoids against Metallo-β-lactamase-producing Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and other WHO priority pathogens, including Candida auris.
The study identified bla NDM and bla VIM genes in certain bacterial isolates, which confer resistance to carbapenems. These genes were detected in K. pneumoniae JIE2713 and P. aeruginosa AR-1270, indicating their role in metallo-beta-lactamase production and resistance to carbapenems.
Rapid Simultaneous Detection of the Clinically Relevant Carbapenemase Resistance Genes blaKPC, blaOXA48, blaVIM and blaNDM with the Newly Developed Ready-to-Use qPCR CarbaScan LyoBead.
The study introduces the qPCR CarbaScan LyoBead assay, a robust and efficient tool for detecting clinically relevant carbapenemase resistance genes, including blaKPC, blaOXA48, blaVIM, and blaNDM. The assay demonstrated 100% specificity and sensitivity across a diverse range of bacterial strains.
Characterization of Klebsiella pneumoniae Isolates Resistant to Cefiderocol from Hospitals and Outpatient Settings in Croatia.
The study characterizes AMR genes in FDC-resistant K. pneumoniae isolates, identifying bla OXA-48, bla KPC, bla NDM, bla CTX-M, aac(6')-Ib, aadA1, aadA2, qnrB, shv, and tem as significant contributors to resistance.
Combating Metallo-β-Lactamase-Producing Pseudomonas aeruginosa: The Fractional Inhibitory Concentration Index as a Tool to Evaluate Antibiotic Synergy.
The study identified blaIMP-13 and blaVIM-2 as resistance genes in multidrug-resistant P. aeruginosa isolates, demonstrating the effectiveness of cefiderocol combined with imipenem-relebactam against IMP-producing strains.
Genotypic and phenotypic analyses of two distinct sets of Pseudomonas aeruginosa urinary tract isolates.
The study identified multiple AMR genes and mutations in P. aeruginosa UTI isolates from the UK and Kuwait, highlighting the presence of multidrug-resistant strains, especially in Kuwaiti isolates. Key AMR genes included aac(3)-IV, aph(3')-Ib, aph(3')-IIb, aph(4)-Ia, aph(6)-Id, crpP, dfrB1, aac(6')-Ib7, aac(6')-ii, aaA61, blaPDC, and blaVIM-28. Mutations in gyrA were also found to contribute to fluoroquinolone resistance.
High prevalence of carbapenem-resistant Pseudomonas aeruginosa and identification of a novel VIM-type metallo-β-lactamase, VIM-92, in clinical isolates from northern China.
The study identifies a novel VIM-type metallo-beta-lactamase, VIM-92, in carbapenem-resistant Pseudomonas aeruginosa isolates from northern China, which confers resistance to multiple beta-lactam antibiotics.
Next-generation diagnostics of bloodstream infections enabled by rapid whole-genome sequencing of bacterial cells purified from blood cultures.
The study presents a rapid whole-genome sequencing workflow (LC-WGS) for diagnosing bloodstream infections, demonstrating accurate identification of bacterial pathogens and detection of clinically relevant resistance markers within 4.2 hours. The workflow successfully identified various AMR genes, including bla CTX-M-15, bla DHA-1, bla KPC-2, bla KPC-3, bla NDM-1, bla OXA-23, armA, mecA, vanRSHAXYZ, aac(6')-Ie/aph(2'')-Ia, aph(3')-IIIa, aac(6')-I, sul1, and dfrA17.
Ceftazidime-avibactam plus aztreonam cocktail for the treatment of VIM-producing Pseudomonas aeruginosa infections: good enough to have another?
The study characterizes several AMR genes and mutations in VIM-producing P. aeruginosa isolates, including aac(6')-Ib3, aac(6')-Il, aac(6')-Ib-Hangzhou, aadA6, qnrVC1, VIM-2, VIM-1, blaCARB-4, and mutations in mexR and mexB. These genes and mutations contribute to resistance against various antibiotics such as aminoglycosides, quinolones, and beta-lactams.
Ceftazidime-avibactam plus aztreonam cocktail for the treatment of VIM-producing Pseudomonas aeruginosa infections: good enough to have another?
The study characterizes several AMR genes and mutations in VIM-producing P. aeruginosa isolates, including aac(6')-Ib3, aac(6')-Il, aac(6')-Ib-Hangzhou, aadA6, qnrVC1, VIM-2, VIM-1, blaCARB-4, and mutations in mexR and mexB. These genes and mutations contribute to resistance against various antibiotics such as aminoglycosides, quinolones, and beta-lactams.
Rapid prediction of carbapenemases in Pseudomonas aeruginosa by imipenem/relebactam and MALDI-TOF MS.
The study characterizes various carbapenemase genes such as blaIMP-13, blaIMP-94, blaNDM-1, blaNDM-5, blaNDM-7, blaNDM-23, blaVIM-1, blaVIM-2, blaVIM-20, blaKPC-2, blaKPC-3, blaGES-1, blaGES-5, blaGES-7, blaGES-20, blaPER-1, blaVEB-1, blaCTX-M-15, blaCTX-M-9, blaSHV-12, blaFOX-4, blaCMY-2, blaDHA-1, blaOXA-2, blaOXA-10, blaOXA-14, blaOXA-15, and blaOXA-48 in Pseudomonas aeruginosa using MALDI-TOF MS hydrolysis assays.
Rapid prediction of carbapenemases in Pseudomonas aeruginosa by imipenem/relebactam and MALDI-TOF MS.
The study characterizes various carbapenemase genes such as blaIMP-13, blaIMP-94, blaNDM-1, blaNDM-5, blaNDM-7, blaNDM-23, blaVIM-1, blaVIM-2, blaVIM-20, blaKPC-2, blaKPC-3, blaGES-1, blaGES-5, blaGES-7, blaGES-20, blaPER-1, blaVEB-1, blaCTX-M-15, blaCTX-M-9, blaSHV-12, blaFOX-4, blaCMY-2, blaDHA-1, blaOXA-2, blaOXA-10, blaOXA-14, blaOXA-15, and blaOXA-48 in Pseudomonas aeruginosa using MALDI-TOF MS hydrolysis assays.
Rapid prediction of carbapenemases in Pseudomonas aeruginosa by imipenem/relebactam and MALDI-TOF MS.
The study characterizes various carbapenemase genes such as blaIMP-13, blaIMP-94, blaNDM-1, blaNDM-5, blaNDM-7, blaNDM-23, blaVIM-1, blaVIM-2, blaVIM-20, blaKPC-2, blaKPC-3, blaGES-1, blaGES-5, blaGES-7, blaGES-20, blaPER-1, blaVEB-1, blaCTX-M-15, blaCTX-M-9, blaSHV-12, blaFOX-4, blaCMY-2, blaDHA-1, blaOXA-2, blaOXA-10, blaOXA-14, blaOXA-15, and blaOXA-48 in Pseudomonas aeruginosa using MALDI-TOF MS hydrolysis assays.
Rapid prediction of carbapenemases in Pseudomonas aeruginosa by imipenem/relebactam and MALDI-TOF MS.
The study characterizes various carbapenemase genes such as blaIMP-13, blaIMP-94, blaNDM-1, blaNDM-5, blaNDM-7, blaNDM-23, blaVIM-1, blaVIM-2, blaVIM-20, blaKPC-2, blaKPC-3, blaGES-1, blaGES-5, blaGES-7, blaGES-20, blaPER-1, blaVEB-1, blaCTX-M-15, blaCTX-M-9, blaSHV-12, blaFOX-4, blaCMY-2, blaDHA-1, blaOXA-2, blaOXA-10, blaOXA-14, blaOXA-15, and blaOXA-48 in Pseudomonas aeruginosa using MALDI-TOF MS hydrolysis assays.
Impact of the Technical Snow Production Process on Bacterial Community Composition, Antibacterial Resistance Genes, and Antibiotic Input-A Dual Effect of the Inevitable.
The study identified several antibiotic resistance genes (ARGs) in water and snow samples from ski resorts, including blaTEM, blaCTX-M, mecA, ereA, ermB, strA, tetK, and sulIII. These genes were associated with resistance to beta-lactams, macrolides, aminoglycosides, tetracyclines, and sulfonamides. The presence of these ARGs highlights the potential environmental impact of technical snow production on antimicrobial resistance.
Polyclonal carbapenemase-producing Escherichia coli in Northern Italy: the emergence of NDM-7.
The study identifies the emergence of NDM-7 in polyclonal carbapenemase-producing E. coli in Northern Italy, highlighting the presence of various carbapenemase genes such as bla KPC-3, bla VIM-1, and bla NDM-7, along with other resistance genes.
Evaluation of the multiplex PCR combined with capillary electrophoresis technique for detecting pathogenic bacteria and antibiotic resistance genes in bone infections.
The study evaluated the performance of mPCR-CE for detecting pathogens and antibiotic resistance genes in bone infections, highlighting the effectiveness of the method in identifying multidrug-resistant organisms such as MRSA, ESBL-producing bacteria, and carbapenem-resistant Enterobacteriaceae.
The importance of monitoring a new antibiotic: ceftazidime/avibactam usage and resistance experience from England, 2016 to 2020.
The study identified the presence of ceftazidime/avibactam resistance in Enterobacterales in England, with nearly 90% of resistance cases associated with metallo-beta-lactamase (MBL) genes such as bla KPC, bla OXA-48-like, bla NDM, bla VIM, and bla IMP. These genes were experimentally validated as conferring resistance to ceftazidime/avibactam.
Diagnostic algorithm for the detection of carbapenemases and extended-spectrum β-lactamases in carbapenem-resistant Pseudomonas aeruginosa.
The study identifies several carbapenemase and extended-spectrum beta-lactamase genes, including bla(VIM-2), bla(VIM-4), bla(IMP-1), bla(NDM-1), bla(GES-5), and bla(KPC-2), which confer resistance to carbapenems and other beta-lactam antibiotics in carbapenem-resistant Pseudomonas aeruginosa.
Diagnostic algorithm for the detection of carbapenemases and extended-spectrum β-lactamases in carbapenem-resistant Pseudomonas aeruginosa.
The study identifies several carbapenemase and extended-spectrum beta-lactamase genes, including bla(VIM-2), bla(VIM-4), bla(IMP-1), bla(NDM-1), bla(GES-5), and bla(KPC-2), which confer resistance to carbapenems and other beta-lactam antibiotics in carbapenem-resistant Pseudomonas aeruginosa.
Diagnostic algorithm for the detection of carbapenemases and extended-spectrum β-lactamases in carbapenem-resistant Pseudomonas aeruginosa.
The study identifies several carbapenemase and extended-spectrum beta-lactamase genes, including bla(VIM-2), bla(VIM-4), bla(IMP-1), bla(NDM-1), bla(GES-5), and bla(KPC-2), which confer resistance to carbapenems and other beta-lactam antibiotics in carbapenem-resistant Pseudomonas aeruginosa.
Dynamically chiral phosphonic acid-type metallo-β-lactamase inhibitors.
The study introduces dynamically chiral phosphonic acid-based inhibitors that effectively inhibit metallo-β-lactamase enzymes VIM-2, GIM-1, and NDM-1, providing a novel approach to combat β-lactam resistance.
Pan-genome analysis of the Enterobacter hormaechei complex highlights its genomic flexibility and pertinence as a multidrug resistant pathogen.
The study identifies a wide range of antibiotic resistance genes in the Enterobacter hormaechei complex, highlighting its multidrug-resistant nature and the role of mobile genetic elements in the dissemination of resistance.
Assessment of in vitro antimicrobial activities of ceftolozane/tazobactam and ceftazidime/avibactam against carbapenem-resistant Pseudomonas aeruginosa clinical isolates.
The study identified bla NDM, bla VIM, and bla OXA-48 as the primary carbapenemase genes in carbapenem-resistant P. aeruginosa isolates, with bla NDM being the most prevalent. These genes conferred resistance to carbapenems, and the effectiveness of ceftazidime/avibactam and ceftolozane/tazobactam was significantly reduced in isolates harboring these genes.
Identification of a Potential High-Risk Clone and Novel Sequence Type of Carbapenem-Resistant Pseudomonas aeruginosa in Metro Manila, Philippines.
The study identifies OprD mutations as a significant mechanism of carbapenem resistance in Pseudomonas aeruginosa isolates from the Philippines, highlighting the importance of porin dysfunction in resistance development.
Defining antimicrobial susceptibility testing methods and breakpoints among Achromobacter species.
The study identifies several beta-lactamase genes, including bla OXA-114, bla AXC, bla VIM-4, and bla AMZ-1, which confer resistance to carbapenems in Achromobacter species. These findings are crucial for establishing antimicrobial susceptibility testing breakpoints.
Phenotypic and genotypic characterization of carbapenemase-producing Escherichia coli clinical isolates in Thi-Qar, Iraq.
The study identified bla NDM, bla OXA, bla OXA-48, bla OXA-51, and bla VIM as the primary carbapenemase genes in carbapenem-resistant E. coli isolates from Thi-Qar, Iraq.
AmrProfiler: A Comprehensive Tool for Antimicrobial Resistance Gene Detection and Analysis
AmrProfiler identifies a wide range of AMR genes and mutations across multiple bacterial species, demonstrating high accuracy and broader species coverage compared to existing tools.
Acanthamoeba castellanii Can Facilitate Plasmid Transfer Between Environmental Pseudomonas spp.
The study demonstrates that Acanthamoeba castellanii enhances the plasmid transfer of the blaVIM-2 gene between Pseudomonas oleovorans and Pseudomonas aeruginosa, highlighting the role of amoebae in facilitating horizontal gene transfer of antimicrobial resistance.
Microbiological Risks to Health Associated with the Release of Antibiotic-Resistant Bacteria and β-Lactam Antibiotics Through Hospital Wastewater.
The study identifies the presence of β-lactam resistance genes such as bla KPC, bla OXA-48, bla NDM, and bla VIM in various bacterial isolates from hospital wastewater, highlighting the risk of antibiotic-resistant pathogens and the need for improved wastewater management.
Inhibitory activity of meso-dimercaptosuccinic acid against IMP metallo-β-lactamase variants in Pseudomonas aeruginosa.
The study identifies that meso-dimercaptosuccinic acid (DMSA) enhances the efficacy of ceftazidime (CAZ) and cefepime (FEP) against IMP-producing Pseudomonas aeruginosa by inhibiting IMP metallo-β-lactamase variants, demonstrating significant synergistic effects.
Inhibitory activity of meso-dimercaptosuccinic acid against IMP metallo-β-lactamase variants in Pseudomonas aeruginosa.
The study identifies that meso-dimercaptosuccinic acid (DMSA) enhances the efficacy of ceftazidime (CAZ) and cefepime (FEP) against IMP-producing Pseudomonas aeruginosa by inhibiting IMP metallo-β-lactamase variants, demonstrating significant synergistic effects.
Carbapenem-resistance in Acinetobacter baumannii: prevalence, antibiotic resistance profile and carbapenemase genes in clinical and hospital environmental strains.
The study identified bla KPC, bla VIM, and bla IMP carbapenemase genes in Acinetobacter baumannii isolates from clinical and hospital environmental samples, highlighting the prevalence of multidrug-resistant strains and the importance of monitoring carbapenem resistance.
Prevalence and molecular characterisation of multi-drug resistant ST11 hypervirulent Klebsiella pneumoniae in a teaching hospital.
The study identifies several AMR genes in CRKP strains, including bla KPC-2, bla NDM-1, bla VIM, bla SHV-12, bla TEM-1b, aac(6')-Ib-cr, qnrS, qnrB, rmtB, ant(3'')-I, armA, sul1, sul2, iucA, iutA, iroN, ybtS, mrkD, fimH, and p rmpA. These genes confer resistance to carbapenems, quinolones, aminoglycosides, and sulfonamides. Additionally, the study highlights the transferability of these genes through conjugation.
Evaluation of QuickMIC system for rapid antimicrobial susceptibility testing of Gram-negative pathogens from positive blood cultures, including strains producing extended-spectrum β-lactamases and carbapenemases.
The study evaluated the QuickMIC system for rapid antimicrobial susceptibility testing of Gram-negative pathogens, including strains producing extended-spectrum β-lactamases (ESBLs) and carbapenemases. It identified several β-lactamase genes such as bla CTX-M, bla KPC, bla NDM, bla VIM, bla OXA-23-like, bla FIM, and bla VEB, which confer resistance to various beta-lactam antibiotics.
Detection of β-lactam resistance genes in Gram-negative bacteria from positive blood cultures using a microchip-based molecular assay.
The study evaluated the Alifax GNR microchip assay for detecting β-lactam resistance genes in Gram-negative bacteria from positive blood cultures, demonstrating high accuracy and broader coverage compared to existing methods.
Antibiotics Resistance Profile of Clinical Isolates of Pseudomonas aeruginosa Obtained from Farwaniya Hospital in Kuwait Using Phenotypic and Molecular Methods.
The study identified blaVEB, blaVIM, aac(6')-Ib, and qnrS as the most prevalent resistance genes in MDR P. aeruginosa isolates. Mutations in gyrA (Thr83Ile) and parC (Ser87Leu) were strongly associated with fluoroquinolone resistance.
Establishing Clinical and Laboratory Standards Institute M45 antimicrobial susceptibility testing methods and breakpoints for Pseudomonas other than Pseudomonas aeruginosa.
The study established tentative CLSI M45 antimicrobial susceptibility testing breakpoints for Pseudomonas other than Pseudomonas aeruginosa (POPA). It identified various beta-lactamase genes, including metallo-beta-lactamases (MBLs) such as bla POM-1, bla POM-2, bla PAM-1, bla PST-1, bla VIM-2, bla CARB-2, bla DHA-1, and bla IMP-13, which confer resistance to carbapenems. Additionally, multidrug-resistant efflux pumps like ttgABC and tmexCD-toprJ were found to contribute to carbapenem resistance. Other resistance genes for aminoglycosides, trimethoprim-sulfamethoxazole, quaternary ammonium compounds, chloramphenicol, and fluoroquinolones were also detected.
Analysis of clinical characteristics of patients with coronavirus disease 2019 based on a superior carbapenem-resistant Enterobacterales identification strategy.
The study evaluated the performance of GeneXpert Carba-R and immunochromatography for detecting carbapenemases in 115 gram-negative isolates, focusing on bla KPC, bla NDM, bla OXA-48, bla IMP, and bla VIM genes. It highlighted the importance of accurate detection of carbapenemase-producing Enterobacterales to guide antibiotic treatment in patients with COVID-19.
Validation of immunochromatographic test in broth-enriched rectal swab specimens.
The study validated the O.K.N.V.I. RESIST-5 immunochromatographic test for detecting five common carbapenemases (KPC, NDM, OXA-48, VIM, and IMP) in broth-enriched rectal swabs with 100% sensitivity and specificity after 6 hours of incubation without meropenem.
Carbapenem-resistant Enterobacterales among patients with bloodstream infections in South Africa: Consolidated surveillance data, 2015-2021.
The study identified carbapenemase genes bla OXA-48, bla NDM, and bla VIM as significant contributors to carbapenem resistance in Enterobacterales isolates from bloodstream infections in South Africa.
Tracing the evolutionary trajectory of the IncP-2 plasmid co-harboring bla (IMP-45) and bla (VIM-1): an outbreak of Pseudomonas aeruginosa co-producing IMP-45 and VIM-1 carbapenemases in China.
The study documents an outbreak of P. aeruginosa co-producing VIM-1 and IMP-45 carbapenemases in a tertiary hospital in China, highlighting the emergence of highly resistant strains among transplant patients.
Antimicrobial resistance and beta-lactamase gene distribution among clinical isolates: a two-year cohort study.
The study identified several beta-lactamase genes, including blaCTX-M, blaSHV, blaTEM, blaOXA-48, blaKPC, blaVIM, and blaNDM, which are associated with resistance to various antibiotics in E. coli isolates.
Impact of the COVID-19 pandemic on the epidemiology and molecular features of Pseudomonas aeruginosa bloodstream infections.
The study identified blaVIM-2 as a gene conferring resistance to colistin, ceftazidime-avibactam, and ceftolozane-tazobactam in Pseudomonas aeruginosa bloodstream infections. Mutations in the oprD gene were found to contribute to carbapenem resistance.
Molecular and genomic insights into multidrug-resistant (MDR) and extensively drug-resistant (XDR) Pseudomonas aeruginosa causing burn wound infections in Bangladesh.
The study identified multiple beta-lactamase genes, including blaNDM-1, blaVIM-2, blaPER-1, blaCTX-M, blaOXA-1, and blaOXA-48, as well as efflux pump genes like mexA, mexC, and mexE, contributing to multidrug resistance in P. aeruginosa isolates from burn wound infections in Bangladesh.
Carbapenem-Resistant Gram-Negative Bacteria in Hospitalized Patients: A Five-Year Surveillance in Italy.
The study identifies the presence of carbapenem-resistant Klebsiella pneumoniae isolates carrying bla KPC, bla NDM, bla VIM, and bla IMP genes, which confer resistance to carbapenems.
Distribution of Carbapenemase Genes Associated With Global High-Risk Sequence Types in Pseudomonas aeruginosa Isolates From Chronic Leg Ulcer Patients in Northern Tanzania.
The study identified various carbapenemase genes, including blaOXA-50, blaOXA-488, blaOXA-396, blaOXA-10, blaOXA-395, blaOXA-486, blaVIM-2, and blaDIM-1, in Pseudomonas aeruginosa isolates from chronic leg ulcer patients in northern Tanzania, highlighting the presence of multidrug-resistant strains.
Comparative genomics of Pseudomonas paraeruginosa.
The study identifies various AMR genes and mutations in Pseudomonas paraeruginosa, including carbapenemases like blaVIM-2, blaVIM-6, blaVIM-28, and blaKPC-2, as well as efflux pump genes (mexAB-oprM, mexCD-oprJ, etc.), and mutations in oprD, mexS, mexR, mexZ, lasR, mvfR, and vqsM that contribute to antibiotic resistance.
Comparative genomics of Pseudomonas paraeruginosa.
The study identifies various AMR genes and mutations in Pseudomonas paraeruginosa, including carbapenemases like blaVIM-2, blaVIM-6, blaVIM-28, and blaKPC-2, as well as efflux pump genes (mexAB-oprM, mexCD-oprJ, etc.), and mutations in oprD, mexS, mexR, mexZ, lasR, mvfR, and vqsM that contribute to antibiotic resistance.
Comparative genomics of Pseudomonas paraeruginosa.
The study identifies various AMR genes and mutations in Pseudomonas paraeruginosa, including carbapenemases like blaVIM-2, blaVIM-6, blaVIM-28, and blaKPC-2, as well as efflux pump genes (mexAB-oprM, mexCD-oprJ, etc.), and mutations in oprD, mexS, mexR, mexZ, lasR, mvfR, and vqsM that contribute to antibiotic resistance.
Broad spectrum of β-lactamase coverage and potent antimicrobial activity of xeruborbactam in combination with meropenem against carbapenemase-producing Enterobacterales, including strains resistant to new β-lactam/β-lactamase inhibitor combinations.
Xeruborbactam in combination with meropenem shows potent activity against carbapenemase-producing Enterobacterales, including strains resistant to other β-lactam/β-lactamase inhibitor combinations. Specific β-lactamases like blaIMP-23 and blaSPM-1 were identified as resistant to xeruborbactam.
Aztreonam-avibactam for the treatment of serious infections caused by metallo-β-lactamase-producing Gram-negative pathogens: a Phase 3 randomized trial (ASSEMBLE).
The study evaluated aztreonam-avibactam for treating infections caused by metallo-β-lactamase-producing Gram-negative bacteria, identifying NDM-1, NDM-5, VIM-2, and L1 as key resistance genes.
Metagenomic analysis after selective culture enrichment of hospital and community wastewater enhances antimicrobial resistance gene detection.
The study identifies various beta-lactamase genes such as bla CTX-M, bla KPC, bla NDM, and bla VIM, along with other resistance genes like erm(TR), lsa, efrA, efrB, and optrA, which were detected through selective culture enrichment of wastewater samples.
Protracted outbreaks of VIM-producing Pseudomonas aeruginosa in a surgical intensive care unit in France, January 2018 to June 2024.
The study identified blaVIM-2 and blaVIM-4 as the primary carbapenem resistance genes in VIM-producing Pseudomonas aeruginosa (PA-VIM) during prolonged outbreaks in a French surgical intensive care unit. These genes were detected in both patient and environmental isolates.
Protracted outbreaks of VIM-producing Pseudomonas aeruginosa in a surgical intensive care unit in France, January 2018 to June 2024.
The study identified blaVIM-2 and blaVIM-4 as the primary carbapenem resistance genes in VIM-producing Pseudomonas aeruginosa (PA-VIM) during prolonged outbreaks in a French surgical intensive care unit. These genes were detected in both patient and environmental isolates.
Reviving Furosemide as a Metallo-β-Lactamase Inhibitor against MDR Acinetobacter baumannii.
Furosemide acts as a metallo-β-lactamase inhibitor against MDR Acinetobacter baumannii by reducing the expression of bla NDM and bla VIM genes and interfering with carbapenemase activity.
Emergence of drug-resistant Klebsiella pneumoniae phylogroups (K. quasipneumoniae and K. variicola) causing human infections.
The study identified the emergence of drug-resistant Klebsiella pneumoniae phylogroups K. quasipneumoniae and K. variicola, with significant resistance to carbapenems, colistin, and polymyxin B. Key resistance mechanisms included mutations in the PhoP and PhoQ genes and the presence of carbapenemase genes such as bla NDM, bla OXA-48, bla VIM, and bla IMP.
Sustainable Joullié-Ugi and Continuous Flow Implementation Led to Novel Captopril-Inspired Broad-Spectrum Metallo-β-Lactamase Inhibitors.
The study reports the development of novel MBL inhibitors inspired by captopril, focusing on improving inhibitory activity against various MBLs while minimizing off-target effects on ACE-1.
Inhibition of metallo-β-lactamases in carbapenem resistant Gram negative bacilli by omeprazole and pantoprazole.
Omeprazole and pantoprazole inhibit metallo-beta-lactamases (MBLs) and reduce meropenem MIC in carbapenem-resistant Gram-negative bacteria. They downregulate MBL genes bla NDM, bla IMP, and bla VIM.
Phenotypic characterisation and prevalence of carbapenem-resistant Enterobacterales in a tertiary care centre in Bihar India.
The study identifies the prevalence of carbapenem-resistant Enterobacterales (CRE) in Bihar, India, highlighting the dominance of Class B carbapenemases (blaNDM, blaOXA-48, blaIMP, blaKPC, blaVIM) and the co-expression of Class A and Class B carbapenemases in E. coli and K. pneumoniae.
Impact of Dietary Inputs on Carbapenem Resistance Gene Dynamics and Microbial Safety During Bioconversion of Agri-Food Waste and Anaerobic Digestate by Hermetia illucens Larvae.
The study identifies the presence of carbapenem resistance genes (bla VIM, bla OXA-48, bla GES, and bla KPC) in Hermetia illucens larvae and frass, primarily associated with legume-based diets. These genes were not detected in young larvae or in diets containing onion or digestate.
Outbreak Caused by VIM-1- and VIM-4-Positive Proteus mirabilis in a Hospital in Zagreb.
The study reports an outbreak of carbapenem-resistant Proteus mirabilis in a psychiatric hospital in Zagreb, Croatia, characterized by the presence of VIM-1 and VIM-4 carbapenemases, along with other resistance genes such as bla CTX-M-15, bla TEM, and aminoglycoside resistance genes.
Evaluation of the rapid lateral flow assay (LFA) for detection of five major carbapenemase enzyme families in genotypically characterised bacterial isolates.
The study evaluates a rapid lateral flow assay (LFA) for the detection of five major carbapenemase enzyme families (KPC, NDM, VIM, IMP, and OXA-48-like) in genotypically characterized bacterial isolates. The LFA showed high sensitivity and specificity for detecting these carbapenemases, with some limitations noted for NDM detection.
Evaluation of the rapid lateral flow assay (LFA) for detection of five major carbapenemase enzyme families in genotypically characterised bacterial isolates.
The study evaluates a rapid lateral flow assay (LFA) for the detection of five major carbapenemase enzyme families (KPC, NDM, VIM, IMP, and OXA-48-like) in genotypically characterized bacterial isolates. The LFA showed high sensitivity and specificity for detecting these carbapenemases, with some limitations noted for NDM detection.
Evaluation of the rapid lateral flow assay (LFA) for detection of five major carbapenemase enzyme families in genotypically characterised bacterial isolates.
The study evaluates a rapid lateral flow assay (LFA) for the detection of five major carbapenemase enzyme families (KPC, NDM, VIM, IMP, and OXA-48-like) in genotypically characterized bacterial isolates. The LFA showed high sensitivity and specificity for detecting these carbapenemases, with some limitations noted for NDM detection.
One health approach unravels worrying antimicrobial resistance patterns: A cross-sectional study in Kisii, Kenya.
The study identified several AMR genes, including blaTEM, blaOXA-48, blaSHV, blaCTXM-15, blaCTXM-8, blaCTXM-1, blaCTXM-9, blaVIM, and blaNDM, which were associated with resistance to various antibiotics in Enterobacterales isolates from human, animal, and environmental samples in Kisii, Kenya.
Carbapenemase-encoding genes in critical gram-negative bacteria isolated from ICU patients with infections and/or gastrointestinal carriage, and environmental samples in the amhara National Regional state, Ethiopia.
The study identified carbapenemase-encoding genes, including bla NDM, bla OXA-23, bla VIM, bla OXA-48, and bla OXA-58, in critical Gram-negative bacteria from ICU patients and environmental samples in Ethiopia.
Rapid detection of carbapenemases in multiresistant Gram-negative strains: evaluation of two tests.
The study evaluated the performance of the NG CARBA-5 test and the Allplex Entero-DR assay for detecting carbapenemases in multidrug-resistant Gram-negative bacteria. Both tests were able to detect various carbapenemase genes, including blaKPC, blaNDM, blaOXA-48, blaVIM, and blaIMP.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
High-throughput screening of monoclonal antibodies against carbapenemases using a multiplex protein microarray platform.
The study identifies and characterizes monoclonal antibodies targeting various carbapenemases (bla KPC, bla NDM, bla IMP-1, bla VIM, bla OXA-23, bla OXA-48, bla OXA-58) and the mcr-1 gene, which confers resistance to colistin. These antibodies show high specificity and sensitivity in detecting resistance determinants using a protein microarray platform.
Genomic features and fitness cost of co-existence of bla (KPC-2) and bla (VIM-2) plasmids in ICU-derived pan-drug resistant Pseudomonas aeruginosa.
The study identified the coexistence of bla KPC-2 and bla VIM-2 plasmids in a pan-drug resistant Pseudomonas aeruginosa strain, highlighting their role in carbapenem resistance and stability.
Genomic features and fitness cost of co-existence of bla (KPC-2) and bla (VIM-2) plasmids in ICU-derived pan-drug resistant Pseudomonas aeruginosa.
The study identified the coexistence of bla KPC-2 and bla VIM-2 plasmids in a pan-drug resistant Pseudomonas aeruginosa strain, highlighting their role in carbapenem resistance and stability.
An NGS-assisted diagnostic workflow for culture-independent detection of bloodstream pathogens and prediction of antimicrobial resistances in sepsis.
The study evaluated the diagnostic performance of PISTE™ technology, an NGS-based workflow for detecting bloodstream pathogens and predicting antimicrobial resistance. It showed high accuracy in identifying pathogens and predicting resistance genes, including beta-lactamases, carbapenemases, aminoglycoside modifying enzymes, tetracycline efflux pumps, and quinolone resistance proteins.
Molecular insights into the persistence and co-occurrence of two different carbapenem-resistant Pseudomonas aeruginosa lineages within a hospital setting.
The study identifies several carbapenem-resistant Pseudomonas aeruginosa lineages with specific resistance genes, including blaOXA-10, blaVIM-2, and others, highlighting the role of plasmids in the spread of resistance.
Molecular characterization of carbapenem-resistant Enterobacterales (CRE) and in vitro activity of novel beta lactams against CRE isolates from Malaysia.
The study identified bla NDM, bla OXA-48-like, and bla VIM as the主要 carbapenemase genes in CRE isolates from Malaysia. Cefiderocol showed the highest in vitro activity against CRE isolates, particularly those harboring bla NDM.
Navigating an evolving microbial landscape: emerging antimicrobial resistance trends and precision stewardship in Tianjin tertiary hospitals (2021-2023).
The study identified significant trends in antimicrobial resistance (AMR) patterns among clinical isolates from hospitals in Tianjin, highlighting the increasing resistance of Klebsiella pneumoniae to various antibiotics, including carbapenems, and the notable decline in ceftazidime/avibactam resistance in E. coli. Additionally, it noted the emergence of resistance in Acinetobacter baumannii and Pseudomonas aeruginosa to several antimicrobials.
Insights into the Metabolic Adaptations of a Carbapenem-Resistant Klebsiella pneumoniae Strain on Exposure to Sublethal Concentrations of Ertapenem.
The study identified VIM-1, AAC(6')-Ib, APH(3')-Ia, ANT(3'')-Ia, Sul1, and DfrA1 as genes with significant differential abundance in a carbapenem-resistant K. pneumoniae strain exposed to sublethal concentrations of ertapenem, indicating their roles in antibiotic resistance.
Epidemiological and Microbiological Characterization of Carbapenemase-Producing Klebsiella pneumoniae Isolates in a Regional Greek Hospital: A Retrospective Study.
The study identified multiple carbapenemase-producing Klebsiella pneumoniae isolates, including blaNDM-1, blaVIM-1, blaKPC-2, and blaCTX-M-15, highlighting the prevalence of multidrug-resistant strains in a regional Greek hospital.
Antibiotic resistance in white stork cloaca and environmental samples
The study identified various antibiotic resistance genes in bacterial isolates from white stork cloaca and environmental samples, highlighting the presence of resistance mechanisms against beta-lactams, aminoglycosides, quinolones, and polymyxins.
The carbapenem inoculum effect provides insights into the molecular mechanisms underlying carbapenem resistance in the Enterobacterales.
The study identified that various carbapenemase genes, including blaKPC-3, blaSME-2, blaIMP-4, blaNDM-1, blaVIM-27, blaCMY-10, and blaOXA-48, when expressed in E. coli, significantly increased meropenem MICs and exhibited an inoculum effect. These findings highlight the role of carbapenemases in carbapenem resistance and the importance of the inoculum effect in diagnosing carbapenemase-producing CRE.
ESBL-producing Klebsiella pneumoniae gut colonisation and subsequent health-care associated bacteraemia in preterm newborns: a descriptive cohort with nested case-control study.
The study identifies several AMR genes, including bla CTX-M-1, bla SHV, bla TEM, bla OXA-48, bla NDM, and bla VIM, in ESBL-producing K. pneumoniae isolates from preterm neonates. These genes confer resistance to various beta-lactam antibiotics and carbapenems.
One-step degradation of 4 classes of β-lactam using beta-lactamase enzyme cocktail.
The study identified and characterized four beta-lactamases (CTX-33, VIM-1, ACT-3, and OXA-65) with broad substrate spectra for degrading β-lactam antibiotics. An optimized enzyme cocktail (CTX-33:VIM-1 at 4:1 ratio) effectively degraded all four classes of β-lactam antibiotics (penicillin, cephalosporin, carbapenem, and monobactam) in various water samples.
In vitro activity of cefiderocol against nosocomial Acinetobacter baumannii.
The study assessed the in vitro activity of cefiderocol against multidrug-resistant Acinetobacter baumannii isolates and found that cefiderocol exhibited high efficacy, with very low resistance rates. However, the presence of various beta-lactamase genes, including bla OXA-23G, bla OXA-24G, bla OXA-48G, bla OXA-58G, bla VEB, bla PER, bla GES, bla KPC, bla NDM, bla VIM, bla IMP, and bla IMI, was associated with resistance to other antibiotics.
Recurring acquisition of carbapenemase genes and global emergence of Pseudomonas aeruginosa ST-1047, a lineage shaped by geopolitical conflicts.
The study identifies the recurrence of carbapenemase genes, including blaIMP-1, blaVIM-11, blaNDM-1, and blaDIM-1, in Pseudomonas aeruginosa ST-1047, highlighting their role in the global spread of this lineage, particularly linked to geopolitical conflicts.
Multidrug-resistant Pseudomonas aeruginosa: Pathogenesis, resistance mechanisms, and novel therapeutic strategies.
The paper discusses the multidrug resistance mechanisms of Pseudomonas aeruginosa, including beta-lactamases, aminoglycoside modifying enzymes, efflux pumps, and mutations in porin genes. It highlights the role of these mechanisms in antibiotic resistance and the challenges they pose in treating infections.
Proteomic landscape of imipenem resistance in Pseudomonas aeruginosa: a comparative investigation between clinical and control strains.
The study identifies the VIM-2 metallo-beta-lactamase as a key determinant of imipenem resistance in the clinical Pseudomonas aeruginosa strain ST235, highlighting its role in the stable proteomic profile under antibiotic pressure.
Revisiting the Metallo-β-Lactamase-Mediated Antibiotic Resistance: Exploring Novel Mechanisms and Therapeutic Strategies.
The paper discusses the role of metallo-beta-lactamases (MβLs) such as NDM, VIM, and IMP in mediating resistance to carbapenems and other β-lactam antibiotics. It highlights the importance of these enzymes in clinical settings and explores potential therapeutic strategies to combat their resistance mechanisms.
Antibiotic resistance in mastitis-causing bacteria: Exploring antibiotic-resistance genes, underlying mechanisms, and their implications for dairy animal and public health.
The study identifies several AMR genes and mutations in Staphylococcus aureus and coagulase-negative staphylococci associated with mastitis, including blaZ, mecA, tetK, tetM, aphA3, aacA-aphD, aadD, ermA, msrA, mphC, lnuB, and vanA, which confer resistance to various antibiotics such as β-lactams, tetracyclines, aminoglycosides, macrolides, and glycopeptides.
First nationwide survey on Pseudomonas aeruginosa in Bolivia: susceptibility profiles, resistome, and genomic epidemiology.
The study identified multiple carbapenemases, extended-spectrum beta-lactamases, and 16S rRNA methyltransferases in multidrug-resistant Pseudomonas aeruginosa isolates from Bolivia, highlighting the prevalence of high-risk clones and resistance mechanisms.
Monitoring of Antimicrobial Resistance Genes and Susceptibility Profiles in Bacterial Isolates From Animal-Origin Meat.
The study identified several AMR genes, including bla_KPC, bla_NDM, bla_OXA-48, bla_SPM, bla_VIM, bla_TEM, bla_SHV, bla_CTX-M, and mcr-1, in bacterial isolates from animal-origin meat samples. These genes conferred resistance to various antibiotics, including carbapenems, beta-lactams, and polymyxins.
An integrated phenotypic and genomic approach to characterize MBL-producing Enterobacterales strains circulating in a Sicilian transplant center.
The study characterizes MBL-producing Enterobacterales strains, identifying NDM-1, NDM-5, and VIM-1 as the most prevalent metallo-beta-lactamases. It also identifies various aminoglycoside, quinolone, and sulfonamide resistance genes, highlighting the multidrug-resistant nature of these isolates.
Detection of K. pneumoniae Hospital-Acquired Strains That Produce Carbapenemases in Thrace Tertiary Hospital.
The study identified the presence of various carbapenemase genes, including blaKPC, blaOXA-48_like, blaVIM, and blaNDM, in K. pneumoniae strains, highlighting the prevalence of these resistance mechanisms in hospital-acquired isolates.
Diversity in Carbapenemases in Enterobacterales in Southeastern Austria Before and During the COVID-19 Pandemic.
The study identified various carbapenemase genes, including blaVIM-1, blaNDM-1, blaOXA-48, blaOXA-181, blaOXA-244, blaKPC-2, blaKPC-3, and blaGES, in carbapenem-resistant Enterobacterales isolates from Southeastern Austria. The prevalence of CRE decreased during the COVID-19 pandemic, and dual-carbapenemase-producing isolates were observed for the first time.
Aeromonas Infections in Humans-Antibiotic Resistance and Treatment Options.
The paper discusses the emergence of multidrug-resistant Aeromonas strains, highlighting the presence of various beta-lactamases (blaCphA, blaKPC, blaNDM, blaVIM), polymyxin resistance genes (mcr-3, mcr-7), and fluoroquinolone resistance (qnrA).
APC24-7, a covalent combination of boronic acid and chelator moieties, restores β-lactam efficiency against metallo-β-lactamase-producers.
APC24-7, a compound combining a boronic acid and a Zn2+-chelator, effectively restores meropenem susceptibility in metallo-beta-lactamase (MBL)-producing bacteria, including those resistant to taniborbactam.
Zinc starvation uncovers bacterial host-specific proteases that shape NDM adaptability in Acinetobacter baumannii.
The study identifies NDM-1 and NDM-5 as metallo-beta-lactamases that confer resistance to carbapenems in Acinetobacter baumannii. It also shows that the stability of NDM-1 is influenced by host-specific proteases CtpA and DegP.
Alarming colistin and carbapenem resistance in Klebsiella pneumoniae: molecular insights from Tehran hospitals, Iran.
The study identified high prevalence of carbapenem and colistin resistance in Klebsiella pneumoniae isolates from Tehran hospitals, with bla TEM, bla SHV, bla CTX-M, bla NDM, and bla OXA-48 being the major resistance genes. Colistin resistance was observed in 16.7% of isolates, but no mcr genes were detected.
Multidrug-resistant gram-negative bacteria in Spanish ICU patients: clinical and microbiological characterization (MURAN-UCI Project).
The study identifies several AMR genes and mutations in multidrug-resistant gram-negative bacteria, including bla VIM-1, bla CTX-M-15, bla OXA-48, and mutations in oprD, mexR, and nalD, contributing to resistance against various antibiotics.
Multidrug-resistant gram-negative bacteria in Spanish ICU patients: clinical and microbiological characterization (MURAN-UCI Project).
The study identifies several AMR genes and mutations in multidrug-resistant gram-negative bacteria, including bla VIM-1, bla CTX-M-15, bla OXA-48, and mutations in oprD, mexR, and nalD, contributing to resistance against various antibiotics.
In Vitro Evaluation of Fosfomycin Combinations Against Metallo-β-Lactamase-Producing Klebsiella pneumoniae and Pseudomonas aeruginosa Clinical Isolates.
The study evaluated the in vitro synergistic activity of fosfomycin (FOS) in combination with other antimicrobials against MBL-producing K. pneumoniae and P. aeruginosa. It found that FOS combinations showed significant synergy, particularly with CAZ-AVI and COL, suggesting their potential utility in treating infections caused by MBL-producing bacteria.
In Vitro Evaluation of Fosfomycin Combinations Against Metallo-β-Lactamase-Producing Klebsiella pneumoniae and Pseudomonas aeruginosa Clinical Isolates.
The study evaluated the in vitro synergistic activity of fosfomycin (FOS) in combination with other antimicrobials against MBL-producing K. pneumoniae and P. aeruginosa. It found that FOS combinations showed significant synergy, particularly with CAZ-AVI and COL, suggesting their potential utility in treating infections caused by MBL-producing bacteria.
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