Browse AMR Genes
Explore antimicrobial resistance genes from the literature
Explore antimicrobial resistance genes from the literature
methylase
Overview
Phenotypes and genotypes of erythromycin-resistant Streptococcus pyogenes strains in Italy and heterogeneity of inducibly resistant strains.
The study identifies three erythromycin resistance phenotypes in Streptococcus pyogenes: cMLS, iMLS, and M. The ermB and ermTR genes were associated with cMLS and iMLS strains, while mefA was linked to the M phenotype.
Prevalence and mechanisms of macrolide resistance in clinical isolates of group A streptococci from Ontario, Canada.
The study identified the mef gene encoding an efflux pump responsible for macrolide resistance and the ermTR gene encoding a methyltransferase causing ribosomal modification in group A streptococci.
Resistance to macrolides in Streptococcus pyogenes in France in pediatric patients.
The study identified ermB, mefA, and ermTR genes as responsible for macrolide resistance in Streptococcus pyogenes isolates from French pediatric patients.
Prevalence of polyclonal mefA-containing isolates among erythromycin-resistant group A streptococci in Southern Taiwan.
The study identifies mefA, ermB, and ermTR as the primary genes responsible for erythromycin resistance in group A streptococci in southern Taiwan, with mefA being particularly prevalent in the M-phenotype isolates.
In vitro activity of the new ketolide telithromycin compared with those of macrolides against Streptococcus pyogenes: influences of resistance mechanisms and methodological factors.
The study identified ermTR, mefA, and ermB genes as key resistance mechanisms in Streptococcus pyogenes against macrolides, lincosamides, and streptogramin B.
Resistance determinants and clonal diversity in group A streptococci collected during a period of increasing macrolide resistance.
The study identified erm(B), erm(TR), and mef(A) as key resistance determinants in group A streptococci, with erm(B) being the most prevalent contributor to increased macrolide resistance.
Antibacterial resistance of community-acquired respiratory tract pathogens recovered from patients in Latin America: results from the PROTEKT surveillance study (1999-2000).
The study identified various macrolide resistance genes, including mef(A), erm(B), mefA, ermTR, and ermB, in Streptococcus pneumoniae and Streptococcus pyogenes isolates from Latin America.
Six-month multicenter study on invasive infections due to group B streptococci in Argentina.
The study identified several AMR genes in group B streptococci, including aac(6')-aph(2"), mefA, ermTR, tetM, and tetO, which confer resistance to aminoglycosides, macrolides, and tetracyclines. These genes were experimentally validated through PCR and susceptibility testing.
Clinical and molecular epidemiology of erythromycin-resistant beta-hemolytic lancefield group G streptococci causing bacteremia.
The study identifies ermTR, ermB, and mef genes as mediators of erythromycin resistance in beta-hemolytic group G streptococci, highlighting the role of horizontal gene transfer in the spread of resistance.
Genetic diversity among type emm28 group A Streptococcus strains causing invasive infections and pharyngitis.
The study identified the presence of macrolide resistance genes mefA, ermB, and ermTR in less than 2% of the emm28 group A Streptococcus strains analyzed.
Rapid determination of macrolide and lincosamide resistance in group B streptococcus isolated from vaginal-rectal swabs.
The study developed real-time PCR assays to detect ermB, ermTR, and mefA genes in Group B Streptococcus (GBS) isolates, showing that the presence of erm genes predicts clindamycin resistance with high sensitivity and specificity.
New genetic element carrying the erythromycin resistance determinant erm(TR) in Streptococcus pneumoniae.
The study identifies a new genetic element carrying the erythromycin resistance determinant erm(TR) in a clinical isolate of Streptococcus pneumoniae, demonstrating that the wild-type erm(TR) gene confers erythromycin resistance.
Macrolide and tetracycline resistance and emm type distribution of Streptococcus pyogenes isolates recovered from Turkish patients.
The study identified erm(TR) as the primary macrolide resistance gene and tet(O) as the most common tetracycline resistance gene in Streptococcus pyogenes isolates from Turkey.
Phenotypes and genotypes of erythromycin-resistant Streptococcus pyogenes strains isolated from invasive and non-invasive infections from Mexico and the USA during 1999-2010.
The study identified mef A, erm B, and erm TR as the primary genes responsible for erythromycin resistance in Streptococcus pyogenes isolates from Mexico and the USA. The M phenotype was linked to mef A, while the cMLS and iMLS phenotypes were associated with erm B and erm TR, respectively.
Population structure and antimicrobial resistance of invasive serotype IV group B Streptococcus, Toronto, Ontario, Canada.
The study identified ermTR and ermT genes associated with macrolide resistance, and tetM gene associated with tetracycline resistance in serotype IV group B Streptococcus strains.
Emergence of Serotype IV Group B Streptococcus Adult Invasive Disease in Manitoba and Saskatchewan, Canada, Is Driven by Clonal Sequence Type 459 Strains.
The study identified the tetracycline resistance gene tetM and the macrolide/lincosamide resistance gene ermTR in serotype IV Group B Streptococcus (GBS) strains, which are responsible for the emergence of invasive disease in Manitoba and Saskatchewan, Canada.
In vitro antimicrobial susceptibility of Helcococcus kunzii and molecular analysis of macrolide and tetracycline resistance.
The study identified erm(TR) as a cause of high-level erythromycin resistance and tet(M) as a cause of tetracycline resistance in Helcococcus kunzii.
Epidemiological and Inducible Resistance in Coagulase Negative Staphylococci.
The study identified erm(A), erm(B), erm(C), and erm(TR) genes in erythromycin-resistant Coagulase Negative Staphylococci (CNS) isolates, indicating inducible clindamycin resistance. The majority of the isolates exhibited unique genomic patterns, suggesting limited transmission of resistant strains.
Population and Whole Genome Sequence Based Characterization of Invasive Group A Streptococci Recovered in the United States during 2015.
The study identified several AMR genes and mutations in invasive group A streptococci, including ermT, ermB, ermTR, tetM, lsaC, mef, msrD, and mutations in ParC and GyrA that confer resistance to macrolides, tetracycline, and fluoroquinolones.
Changes in Macrolide Resistance Among Group A Streptococci in Serbia and Clonal Evolution of Resistant Isolates.
The study identified the genes mefA, ermB, ermTR, and tetM as responsible for macrolide and tetracycline resistance in Group A Streptococci in Serbia.
Increasing macrolide resistance among Streptococcus agalactiae causing invasive disease in non-pregnant adults was driven by a single capsular-transformed lineage, Portugal, 2009 to 2015.
The study identifies a significant increase in macrolide resistance among Streptococcus agalactiae isolates causing invasive disease in non-pregnant adults in Portugal, primarily linked to the expansion of a specific capsular-transformed lineage (CC1) harboring resistance genes such as erm(B), erm(TR), erm(T), mef(E), tet(M), tet(O), and tet(L).
The draft genomes and investigation of serotype distribution, antimicrobial resistance of group B Streptococcus strains isolated from urine in Suzhou, China.
The study identified several AMR genes in GBS isolates from urine in Suzhou, including tetM, ermB, mefE, lnuB, and others, associated with resistance to tetracycline, erythromycin, clindamycin, and fluoroquinolones.
High prevalence of group B streptococcus ST17 hypervirulent clone among non-pregnant patients from a Hungarian venereology clinic.
The study identified high levels of macrolide and clindamycin resistance in Streptococcus agalactiae isolates from non-pregnant patients in Hungary, with the presence of ermB, ermTR, mef, and linB genes contributing to resistance. The ST-17 hypervirulent clone was prevalent among the isolates.
emm Types and clusters and macrolide resistance of pediatric group A streptococcal isolates in Central Greece during 2011-2017.
The study identified macrolide resistance genes erm(B), erm(TR), and mef(A) in Streptococcus pyogenes isolates from Central Greece, with erm(B) and erm(TR) being the primary drivers of resistance.
Streptococcus agalactiae: Identification methods, antimicrobial susceptibility, and resistance genes in pregnant women.
The study identified resistance genes ermB, mefA, and ermTR in erythromycin and/or clindamycin-resistant Streptococcus agalactiae strains from pregnant women in Brazil.
Features of Streptococcus agalactiae strains recovered from pregnant women and newborns attending different hospitals in Ethiopia.
The study identified tetracycline resistance genes tetM, tetL, and tetO, macrolide/lincosamide resistance genes ermTR, ermB, and lnu, and aminoglycoside resistance gene aac(6')-Ib in Streptococcus agalactiae isolates. Additionally, mutations in gyrA and parC were associated with fluoroquinolone resistance.
Determination of Capsular Serotypes, Antibiotic Susceptibility Pattern, and Molecular Mechanism of Erythromycin Resistance among Clinical Isolates of Group B Streptococcus in Isfahan, Iran.
The study identified ermB, ermTR, and mefA genes as the primary mechanisms of erythromycin resistance in Group B Streptococcus isolates, with ermB being the most prevalent.
Multiple-locus variable-number tandem repeat analysis for genotyping of erythromycin-resistant group B streptococci in Iran.
The study identified ermTR, ermB, and tetM as the primary resistance genes in erythromycin-resistant group B streptococci (GBS) isolates from Iran, with ermTR and ermB being strongly associated with the constitutive MLSB phenotype.
Tetracycline, Macrolide and Lincosamide Resistance in Streptococcus canis Strains from Companion Animals and Its Genetic Determinants.
The study identified tetracycline resistance genes tet(O), tet(M), and tet(T), and MLS resistance genes erm(B) and erm(TR) in Streptococcus canis strains from companion animals.
Antibiotic resistance genes and molecular typing of Streptococcus agalactiae isolated from pregnant women.
The study identified several antibiotic resistance genes in Streptococcus agalactiae isolates from pregnant women, including ermB, mefA/E, ermTR, tetM, tetO, and aphA3, which confer resistance to macrolides, tetracyclines, and aminoglycosides.
Molecular Epidemiology of Group B Streptococcus Isolates from Pregnant Women with Premature Rupture of Membranes in Fuzhou, China.
The study identified several AMR genes in GBS isolates from pregnant women with PROM in Fuzhou, China, including mreA, ermB, mefA, mefE, ermA, ermTR, tetM, and tetK, which are associated with resistance to erythromycin and tetracycline.
Macrolide-Lincosamide Resistance and Virulence Genes in Staphylococcus aureus Isolated from Clinical Specimens in Ardabil, Iran.
The study identified high frequencies of erythromycin and clindamycin resistance in Staphylococcus aureus isolates from Ardabil, Iran, with ermC being the most prevalent erythromycin resistance gene.
Ecological prevalence, genetic diversity, and multidrug resistance of Salmonella enteritidis recovered from broiler and layer chicken farms.
The study identified various AMR genes in Salmonella enteritidis isolates from broiler and layer chicken farms, including blaCTX-M, blaDHA-1, qnrA, qnrB, qnrS, gyrA, erm(B), erm(C), msr(A), tet(A), and tet(B). These genes conferred resistance to multiple antibiotics such as beta-lactams, quinolones, macrolides, and tetracyclines.
ICESp1109, a Novel Hybrid Integrative Conjugative Element of Macrolide-Resistant Streptococcus pyogenes Serotype M77 Collected Between 2003 and 2017 in Poland.
The study identifies the tet(O) and erm(TR) genes as responsible for tetracycline and macrolide resistance, respectively, in Streptococcus pyogenes M77/ST63 strains. A novel hybrid integrative conjugative element, ICE Sp1109, was discovered, combining features of ICE Sp2906 and ICE Sp1108.
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.
A novel erythromycin resistance methylase gene (ermTR) in Streptococcus pyogenes.
The study identifies a novel erm gene, ermTR, which mediates MLS B resistance in Streptococcus pyogenes. This gene is distinct from the ermAM class and confers resistance to erythromycin and clindamycin.
Erythromycin Resistance Genes in Group A Streptococci in Finland. The Finnish Study Group for Antimicrobial Resistance.
The study identified mefA as the predominant erythromycin resistance gene in M-phenotype isolates and ermTR as the predominant gene in MLS B-resistant isolates in Finland.
No comments yet. Be the first to comment!