The study identified the presence of the tetK and far1 genes in a Panton-Valentine leukocidin-positive community-acquired methicillin-resistant Staphylococcus aureus strain, which conferred resistance to tetracycline and fusidic acid respectively. A novel plasmid (pUB102) carrying these genes was also characterized.

The study identifies new variants of the mecA and mph(C) genes in Staphylococcus species isolated from horses, which confer resistance to beta-lactam and macrolide antibiotics, respectively. Additionally, the aac(6')-Ie-aph(2')-Ia gene was found to confer resistance to gentamicin.

The study identified tetracycline resistance genes (tet(M)), erythromycin resistance genes (erm(B)), and penicillin resistance gene (blaZ) in lactic acid bacteria isolated from poultry and swine meat products.

The study developed a DNA microarray for the simultaneous detection of antibiotic resistance genes in staphylococcal clinical isolates, identifying genes such as mecA, blaZ, aac(6')-Ie-aph(2''), ermA, ermC, and msrA, which confer resistance to methicillin, penicillin, gentamicin, erythromycin, clindamycin, and macrolides/streptogramin B.

The study identified a multidrug-resistant PVL+ CA-MRSA ST59 strain in Taiwan with a novel SCC mec type VII, carrying resistance genes such as tetK, cat, aadE, aph(3')-IIIa, ermB, blaZ, and cadDX.

The study characterizes new SCCmec elements and mutations in topoisomerase genes associated with fluoroquinolone and methicillin resistance in Staphylococcus pseudintermedius.

The study identified that 25.5% of MSSA isolates produced type A Bla, 15.3% type B, 45.9% type C, and 13.2% were blaZ negative. Type A Bla producers showed higher cefazolin MICs compared to type B and C producers, indicating a significant inoculum effect associated with cefazolin treatment failure.

The study highlights the emergence of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) and characterizes the genetic elements, such as blaZ and mecA, that confer resistance. It discusses the role of genomic sequencing in understanding the evolution and virulence of CA-MRSA.

The study demonstrates the use of a high-density microarray for the identification of pathogens and the detection of antibiotic resistance genes, including blaZ, ermC, mph, and tetK, in clinical samples.

The study characterizes various methicillin-resistant Staphylococcus aureus (MRSA) clones, highlighting their antimicrobial resistance and virulence-associated markers, with a focus on SCC mec types and PVL status.

The study identified a high prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in the surgical units of Mulago hospital in Kampala, Uganda. It also characterized several AMR genes including mecA, blaZ, and aminoglycoside-modifying enzymes such as aac(6')-Ie-aph(2'')-Ia, aph(3')-IIIa, and ant(4')-Ia.

The study identified various AMR genes in S. aureus strains from foods and food handlers, including blaZ, mupA, ermC, msrB, msrA, aacA, aphD, aadD, and tetK, which confer resistance to beta-lactams, mupirocin, erythromycin, clindamycin, aminoglycosides, and tetracycline.

The study identified several antibiotic resistance genes in staphylococcal isolates, including mecA for methicillin resistance, aac(6')/aph(2"), aph(3')-IIIa, and ant(4')-Ia for gentamicin resistance, ermA, ermB, ermC, and msrA for erythromycin resistance, tetK and tetM for tetracycline resistance, and blaZ for penicillin resistance.

The study identified various AMR genes in nasal Staphylococcus aureus isolates from donkeys, including blaZ, erm(A), erm(C), tet(M), and fusC, which confer resistance to penicillin, erythromycin, tetracycline, and fusidic acid.

The study identified the blaZ gene as responsible for penicillin resistance in S. aureus isolates from bovine mastitis. The gene was found on plasmids in a significant portion of the isolates, but its location did not explain the higher prevalence of resistance in Finland compared to Sweden.

The study identified several AMR genes and mutations associated with drug resistance in S. aureus, including blaZ, mecA, tet, tetM, aacA-aphD, and mutations in rpsL, rpsJ, grlA, and gyrA.

The study identifies key AMR genes and mutations in the EMRSA-15 pandemic clone, including blaZ, ermC, mecA, and mutations in grlA and gyrA that confer fluoroquinolone resistance.

The study identifies a novel pseudo-staphylococcal cassette chromosome mec element (ψSCCmec57395) in methicillin-resistant Staphylococcus pseudintermedius CC45, along with various AMR genes such as mecA, blaZ, aac(6')-Ie–aph(2')-Ia, aph(3')-III, ant(6)-Ia, sat4, erm(B), tet(M), dfr(G), and cat pC221. Additionally, fluoroquinolone resistance was linked to specific mutations in gyrA and grlA.

The study identifies mecA and blaZ as genes responsible for methicillin resistance in MRSA, demonstrating their role in conferring resistance to beta-lactam antibiotics.

The study identified several AMR genes in MRSA and MSSA isolates, including ermC, tetK, tetM, blaZ, msrA, and ermA, which confer resistance to clindamycin, tetracycline, penicillin, and erythromycin. These findings highlight the genetic basis of antimicrobial resistance in S. aureus isolates from military personnel in the US and Afghanistan.

The study identifies the presence of multiple drug resistance genes on a plasmid encoding exfoliative toxin B in Staphylococcus aureus, including aac(6')-aph(2"), msrA, and blaZ, which confer resistance to gentamicin, kanamycin, tobramycin, erythromycin, and penicillin.

The study identified the blaZ gene, which encodes a beta-lactamase, as a determinant of resistance to penicillin, ampicillin, and amoxicillin in Staphylococcus aureus isolates from bovine mastitis in eastern Poland.

The study found that lead-resistant S. aureus (RPb) showed resistance to ampicillin and streptomycin, while cadmium-resistant S. aureus (RCd) did not show resistance to these antibiotics. The zntA and zntR genes were involved in heavy metal resistance mechanisms.

The study identified the blaZ and mecA genes in ophthalmic Staphylococcus pseudintermedius isolates from dogs, with blaZ conferring resistance to penicillin and mecA conferring resistance to oxacillin and penicillin.

The study introduces a rapid optical method called β-LEAF to detect beta-lactamase production and assess the activity of β-lactam antibiotics, demonstrating its consistency with traditional methods.

The study identifies a novel 5-bp TATCC frameshift insertion in an ABC transporter gene and a 3-bp GCT nonframeshift insertion in the pdhA gene as potential mechanisms for oxacillin resistance in Staphylococcus aureus isolates lacking the mecA gene.

The study identified multiple AMR genes in MRSA isolates from bovines, including blaZ, blaI, blaR, tetM, ermC, aacA-aphD, aadD, aphA3, cat, sdrM, and fosB, which confer resistance to penicillin, tetracycline, erythromycin, gentamicin, kanamycin, chloramphenicol, and fosfomycin.

The study identified several genes associated with elevated vancomycin MIC in Staphylococcus aureus bacteremia isolates, including blaZ, sea, clfA, splA, and the ACME locus. These genes were found to be linked to higher vancomycin MICs and were associated with specific clonal complexes and virulence factors.

The study identified the blaZ gene, which encodes penicillinase, as the only antibiotic resistance gene commonly found in methicillin-susceptible Staphylococcus aureus (MSSA) isolates. Other antibiotic resistance genes were sporadically detected and the overall prevalence of resistance genes did not increase during the study period.

The study detected antibiotic resistance in probiotic bacteria from dietary supplements, including resistance to streptomycin, gentamycin, aztreonam, and ciprofloxacin. Intrinsic resistance genes such as aac(6')-aph(2"), ant(6), aph(3')-IIIa, and blaZ were identified as potential contributors to the observed resistance profiles.

The study demonstrates that mecC-encoded PBP2c does not mediate resistance to penicillin, and the adjacent blaZ gene is required for penicillin resistance. The combination of penicillin and clavulanic acid effectively treats mecC-MRSA infections in vitro and in a wax moth larva model.

The study analyzed non-pseudomonal bacterial species from pediatric cystic fibrosis patients, identifying several AMR genes and mutations. Key findings include the presence of beta-lactamase genes (blaZ, blaI, blaRI) in Staphylococcus aureus, fosfomycin resistance gene fosB, fusidic acid resistance gene fusC, and efflux pumps smeZ, smeJ, and smeK in Stenotrophomonas maltophilia. Additionally, Enterobacter cloacae isolates carried resistance genes qacE delta 1, sul1, and dfrA5.

The study identified multiple antimicrobial resistance genes in methicillin-resistant staphylococci isolated from pigs in Nigeria, including mecA, blaZ, erm(C), erm(B), str, tet(K), tet(M), tet(L), dfrG, dfrK, aacA/aphD, aphA3, cat pC221, and cat pC223. Additionally, a Ser84Leu mutation in the gyrA gene was found to confer ciprofloxacin resistance.

The study identified the presence of antibiotic resistance genes blaZ, mecA, tetK, and tetM in Staphylococcus aureus isolates from healthy ruminants, highlighting the potential reservoir of antimicrobial-resistant S. aureus in nasal carriage.

The study identifies multiple AMR genes in CC97 MRSA isolates from Italian dairy cattle and pigs, including erm(B), erm(C), vga(A), tet(K), tet(M), blaZ, and aacA-aphD, which confer resistance to various antibiotics such as erythromycin, clindamycin, tiamulin, tetracycline, penicillin, and aminoglycosides.

The study identified multiple antimicrobial resistance genes in Staphylococcus epidermidis isolates from urinary tract infections in Pakistan, including tetM, tetK, aac(6')/aph(2"), aacA-aphD, ermA, blaZ, mecA, MeccA, and blaTEM-1, indicating widespread multidrug resistance.

The study identified the blaZ, aph(3')-IIIa, and tem genes as responsible for penicillin, gentamicin, and ampicillin resistance in Staphylococcus aureus isolates from periodontitis patients.

The study identifies the mecC gene in Staphylococcus stepanovicii strain IMT28705, which confers methicillin resistance. Additionally, the blaZ gene, encoding a beta-lactamase, was found in the same genomic region.

The study identifies the downregulation of mecA and blaZ genes in MRSA under the synergistic effect of SIPI-8294 and oxacillin, suggesting interference with oxacillin resistance mechanisms.

The study characterizes the complete genome of Staphylococcus aureus Tager 104, identifying the blaZ gene as a beta-lactamase that confers resistance to penicillins and cephalosporins.

Only one isolate was resistant to penicillin, carrying the blaZ gene, while no resistance to other antibiotics was found.

The study identified the ermC gene, which confers resistance to macrolides, lincosamides, and streptogramin B, and SAAV_1916, a multidrug ABC transporter, which is associated with resistance in the highly virulent MRSA1679a strain.

The study found that the blaZ gene is strongly correlated with penicillin resistance in Staphylococcus spp., particularly in S. saprophyticus. The zone edge test was the most sensitive phenotypic method for detecting beta-lactamase production.

The study identified blaZ and mecA genes associated with beta-lactamic resistance in Staphylococcus aureus isolates from bovine mastitis, with blaZ linked to penicillin resistance and mecA to oxacillin and cefoxitin resistance.

The study identified several AMR genes in MRSA isolates from healthy turkeys and broilers, including ermA, ermB, ermC, tetK, tetM, lnuA, mphC, vgaA, aadD, aphA3, blaZ, blaI, blaR, and mecA. These genes conferred resistance to various antibiotics such as erythromycin, clindamycin, tetracycline, lincomycin, macrolides, streptogramins, tobramycin, neomycin, kanamycin, and beta-lactam antibiotics.

The study identified 39 distinct AMR genes across eight antibiotic classes in the gut microbiome of eleven preterm infants, including the beta-lactamase gene blaZ and the methicillin resistance gene mecA.

The study identified the presence of antimicrobial resistance genes mecA, BlaZ, and tetK in Staphylococcus aureus isolates from broiler chickens, indicating resistance to methicillin, penicillin, and tetracycline, respectively.

The study identified the presence of CA-MRSA ST93-IV and LA-MRSA ST398-V in Australian pigs, farm workers, and the environment. It also reported the first linezolid-resistant MRSA isolate in Australia. Resistance mechanisms included genes such as blaZ, ermC, fexA, tetK, tetL, vgaA, lnuB, aadD, aadE, and cfr.

The study identified blaZ and mecA genes in Staphylococcus aureus isolates from bovine mastitis, indicating resistance to penicillin and methicillin/oxacillin, respectively.

The study identified blaZ and mecA genes responsible for β-lactam resistance in Staphylococci from dry bovine udders, along with the PVL gene associated with virulence.

The study identifies the presence of penicillin resistance genes blaZ, blaR1, and blaI in Staphylococcus aureus GN strains, highlighting their role in penicillin resistance.

The study identified several antibiotic resistance genes in multiple drug-resistant Staphylococcus aureus isolates from food of animal origin in Egypt, including blaZ, tetK, ermB, msrA, ermC, and aac(6')-aph(2").

The study identified two blaZ-positive Staphylococcus aureus isolates and evaluated the performance of various phenotypic tests for detecting penicillinase, highlighting their low sensitivity and positive predictive value due to the low prevalence of blaZ in Japanese isolates.

The study identified multiple antimicrobial resistance (AMR) genes associated with the International Space Station (ISS) environmental surfaces, highlighting the presence of resistance mechanisms against various antibiotics, including beta-lactams, fluoroquinolones, and tetracyclines. Notably, genes such as mecA, blaZ, and qacB were detected, indicating resistance to methicillin, penicillin, and quaternary ammonium compounds, respectively.

The study identified blaZ, msrA, and ermC genes as responsible for penicillin and erythromycin resistance in Staphylococcus aureus isolates from healthy students in Malaysia.

The study identified AMR genes erm(C), aacC-aphD, and blaZ in MRSA isolates from swine and primates, along with a chromosomal mutation gyrA Ser84Leu associated with ciprofloxacin resistance.

The study identifies several antibiotic resistance genes in the multidrug-resistant S. epidermidis strain G6_2, including aac(6')-aph(2"), blaZ, mecA, fosB, mphC, msrA, tetK, and qacC, which confer resistance to various antibiotics. Additionally, point mutations in ileS and fusA are associated with resistance to mupirocin and fusidic acid.

The study identified three S. argenteus isolates from rabbits in Thailand, with one isolate showing susceptibility to all tested antimicrobials and two showing resistance to penicillin and doxycycline. The S. argenteus isolates carried the blaZ gene, while S. aureus isolates carried additional resistance genes such as mecA, aacA-aphD, and mrs(A). Mutations in gyrA and grlA were found in an S. aureus isolate, indicating potential fluoroquinolone resistance.

The paper discusses various antimicrobial resistance genes and mutations in staphylococci of animal origin, highlighting their roles in resistance to multiple antibiotics such as macrolides, lincosamides, streptogramins, oxazolidinones, and others. Key genes include erm, msr, mph, ere, lnu, vga, cfr, optrA, dfr, fus, ileS2, blaZ, aadD, ble, fosD, fosB, czrC, and qac genes, which confer resistance to specific antibiotics and are prevalent in different staphylococcal species.

The study identifies several AMR genes in multidrug-resistant Staphylococcus capitis isolates associated with neonatal sepsis, including blaZ, fusB, aadD, qacA, and aac(6')-aph(2'). These genes confer resistance to amoxicillin, fusidic acid, aminoglycosides, chlorhexidine, and gentamicin, respectively.

The study identified several AMR genes in staphylococci from clinical and food samples in Algeria, including blaZ, mecA, tetM, tetK, aacA-aphD, and ermC. These genes conferred resistance to penicillin, methicillin, tetracycline, gentamicin, and erythromycin.

The study identified multiple methicillin-resistant Staphylococcus pseudintermedius (MRSP) strains in two Italian kennels, highlighting the presence of various resistance mechanisms including beta-lactam, aminoglycoside, macrolide, tetracycline, and chloramphenicol resistance genes.

The study identified blaZ and msrA as significant antimicrobial resistance genes in Staphylococcus aureus isolates from meat and milk samples in the Eastern Cape, South Africa.

The study identifies and characterizes the beta-lactamase genes bla CTX-M-15, bla CMY-2, mecA, and blaZ as the primary mechanisms of cefotaxime resistance in the studied strains of Escherichia coli and Staphylococcus aureus.

The study reports the isolation of Methicillin-resistant Staphylococcus aureus (MRSA) from two dolphins, identifying the presence of the methicillin-resistance gene mecA, penicillase genes blaZ, blaI, and blaR, as well as genes for macrolide resistance (ermC) and aminoglycoside resistance (aadD).

The study reports a case of severe disseminated infection caused by methicillin-sensitive Staphylococcus aureus (MSSA) clonal complex 398, which exhibited resistance to penicillin, erythromycin, and clindamycin due to the presence of the blaZ and erm(T) genes.

The study identified various antimicrobial resistance genes in the nasal microbiome of infants with cystic fibrosis, including beta-lactamases, chloramphenicol efflux pumps, tetracycline resistance proteins, and enzymes involved in folic acid synthesis inhibition.

The study identifies various antibiotic resistance genes (ARGs) associated with multidrug resistance, including macrolide, beta-lactam, tetracycline, and methicillin resistance genes, highlighting the presence of these genes in postmortem microbiome samples.

The study identified a dominant PVL-positive ST5-MRSA-IVc clone in Sri Lanka, which was also found in the UK and Australia. The clone exhibited resistance to methicillin, erythromycin, tetracycline, gentamicin, and streptothricin.

The paper discusses the role of Staphylococcus aureus in various animal hosts, highlighting the presence of antimicrobial resistance genes such as blaZ, mecA, mecC, tetracycline resistance genes, and chloramphenicol resistance genes. It emphasizes the significance of mobile genetic elements in the adaptation and spread of these resistance determinants among different host species.

The study found that Staphylococcus lugdunensis isolates were mostly susceptible to antibiotics, with 74.6% susceptible to penicillin G. Two isolates carrying the mecA gene were found to harbor the SCC mec type IVa(2B), and the blaZ gene was identified in one isolate, contributing to penicillin resistance.

The study reviews the inoculum effect of β-lactam antibiotics against various bacterial pathogens, highlighting that beta-lactamase enzymes are the primary mechanism responsible for the inoculum effect, although other mechanisms may also contribute.

This study identified 10 LA-MRSA isolates from dairy cows in Germany, all belonging to clonal complex CC398. These isolates exhibited resistance to methicillin, tetracycline, and macrolides/lincosamides, with the presence of mecA, blaZ, tet(K), tet(M), erm(A), and spc genes.

The study identified high levels of multidrug resistance in MRSA isolates, with resistance to fluoroquinolones, macrolides, and lincosamides being prevalent. The blaZ and mecA genes were detected in all isolates, contributing to resistance against penicillin and methicillin, respectively.

The study identified several AMR genes in coagulase-negative Staphylococcus (CNS) isolates from poultry in Poland, including blaZ, mecA, tetK, tetL, ermA, ermB, aac(6')-Ie-aph(2'')-Ia, msrA/B, and cfr. These genes conferred resistance to various antibiotics such as beta-lactams, methicillin, tetracyclines, macrolides, lincosamides, streptogramin B, aminoglycosides, phenicols, oxazolidinones, pleuromutilins, and streptogramin A.

The study identified high resistance to oxacillin, clindamycin, erythromycin, ciprofloxacin, and gentamicin among S. aureus isolates. The mecA and blaZ genes were detected, contributing to beta-lactam resistance. New sequence types (STs) were classified, indicating clonal diversity.

The study identified various AMR genes in methicillin-resistant Staphylococcus pseudintermedius (MRSP) isolates from Argentina, including mecA, blaZ, ermB, dfrG, aph(3')-III, ant(6)-Ia, tetM, and aac(6')-Ie-aph(2')-Ia. Mutations in gyrA (S84L) and grlA (S80I) were associated with ciprofloxacin resistance.

The study identified several AMR genes in multidrug-resistant staphylococci from high-frequency touched surfaces in London, including blaZ, qacA/B, dfrC, norA, ant(4')-Ib, AAC(6')-Ie-APH(2")-Ia, fusB, msrA, ermC, mphC, tetK, mupA, cat, dfrG, lnuA, fusC, aph3-IIIa, sat4A, vgaA, and others. These genes conferred resistance to various antibiotics such as penicillin, fusidic acid, mupirocin, tetracycline, erythromycin, and chloramphenicol.

The study identifies several AMR genes and mutations associated with reduced oxacillin susceptibility in equine Staphylococcus aureus isolates, including blaZ, aadD, dfrG, tet(L), and aacA-aphD, along with various mutations in genes such as FemA, FemB, FemX, CcpA, GdpP, and PBP1-4.

The study identifies several AMR genes and mutations associated with hospital adaptation and pathogenicity in Staphylococcus haemolyticus, highlighting the importance of mecA, aacA-aphD, blaZ, ermC, mphC, qacA, qacB, folP, folB, and sraP in clinical isolates.

This study identified the first report of linezolid resistance in coagulase-negative staphylococci (CoNS) isolated from healthy turkeys in Egypt. The study found that 79.5% of the isolates were resistant to linezolid, and the resistance was associated with the presence of the cfr, optrA, and valS genes. The study also found high levels of resistance to other antibiotics, including erythromycin, chloramphenicol, oxacillin, daptomycin, and tigecycline.

The study identifies silenced antibiotic resistance genes in Staphylococcus aureus, highlighting the prevalence of transient antibiotic resistance due to mutations that inactivate resistance genes, leading to apparent susceptibility but potential re-emergence of resistance.

The study identified antimicrobial resistance genes such as ant(6)-Ia, blaZ, dfrA, and dfrG in Staphylococcus aureus isolates, along with the equine-adapted leukocidin gene lukPQ and the complement inhibitor gene scn-eq. These findings highlight the presence of virulence and resistance determinants in S. aureus isolates from horses.

The study identifies various AMR genes and mutations in multidrug-resistant Staphylococcus epidermidis strains isolated from a children's hospital in Mexico City, highlighting the presence of genes such as blaZ, mecA, and others, as well as mutations in gyrA and rpoB contributing to resistance.

The study identified that Trp-containing peptides synergistically enhance the antibacterial activity of antibiotics against multidrug-resistant Staphylococcus epidermidis by reducing the expression of resistance genes such as bla Z, tet(m), and msr A.

The study identified several antibiotic and biocide resistance genes in Staphylococcus species associated with bovine mastitis in Rwanda, including blaZ, tet(K), erm(C), vga(A), sal(A), lnu(A), msr(A), dfrA, dfrD, dfrG, smr, qacAB, cadD, copB, and arsA. These genes conferred resistance to various antibiotics such as penicillin, tetracycline, erythromycin, clindamycin, trimethoprim, and biocides like quaternary ammonium compounds.

The study identified several antimicrobial resistance genes, including blaZ, tet(K), tet(L), tet(M), and various erm genes, in Staphylococcus aureus isolates from food products in Denmark. Additionally, the tst gene was detected in CC398 and CC45 isolates, indicating the presence of toxic shock syndrome toxin.

The study characterizes the first mecA-positive multidrug-resistant Staphylococcus pseudintermedius isolate from an Argentinean patient, identifying several AMR genes and mutations associated with resistance to multiple antibiotics.

The study identified several AMR genes in MRSA isolates from raw milk, including blaZ, tetK, dfrA1, aacA-D, ermA, and gyrA, which confer resistance to various antibiotics such as penicillin, tetracycline, trimethoprim-sulfamethoxazole, gentamicin, erythromycin, and fluoroquinolones.

The study identified eight genes associated with moderate antibiotic resistance and resistance against xenobiotics in Lactobacillus helveticus D75 and D76, including blaZ, pbpX, mprF, and had.

The study identified the presence of the beta-lactamase gene blaZ in Staphylococcus aureus strains, which conferred resistance to ampicillin. The MIC assay showed higher resistance levels in the strains compared to the resistance breakpoints.

The review highlights the prevalence of antimicrobial resistance in farm animals in Brazil, particularly in Salmonella, E. coli, and Campylobacter. Key resistance genes identified include blaCTX-M-2 and blaTEM-1, which confer resistance to beta-lactam antibiotics.

The study identified several antimicrobial resistance genes, including blaZ, vanB, tetK, tetL, and msrA/B, in Staphylococcus aureus isolates from milk. These genes were associated with resistance to penicillin, vancomycin, tetracycline, and macrolides. Additionally, biofilm-forming genes icaA, icaB, icaC, icaD, and bap were detected, highlighting the potential public health risk posed by these isolates.

The study identified blaZ as a gene conferring resistance to penicillin in Staphylococcus aureus isolates. No resistance to vancomycin, daptomycin, synercid, linezolid, or ceftaroline was found. MRSA isolates showed high resistance to penicillin and other antibiotics.

The study identified antibiotic resistance genes blaZ, ermC, aac(3), aph(2), and norA in Staphylococcus aureus isolates associated with bovine mastitis in Russia. These genes conferred resistance to penicillin, erythromycin, and gentamicin.

The study identified multiple AMR genes in Staphylococcus and Streptococcus isolates from bovine milk, including blaZ, mecA, erm(C), aac(aph)D, tetK, tetL, tetM, lnuA, erm(A), erm(B), aphA-3, aad-6, and optrA, indicating widespread resistance to beta-lactams, macrolides, aminoglycosides, tetracyclines, and linezolid.

The study identified several antibiotic resistance genes in Staphylococcus aureus isolates from retail meat, including blaZ, tetK, aacA-D, and ermA, which confer resistance to penicillin, tetracycline, gentamicin, and macrolides/lincosamides/streptogramin B, respectively.

The study identified several AMR genes in Staphylococcus aureus isolates from goat mastitis, including blaZ, ermA, ermB, mecA, tetK, tetM, norA, norC, and lmrS. These genes conferred resistance to various antibiotics such as penicillin, erythromycin, methicillin, tetracycline, and fluoroquinolones.

The study identified several AMR genes in E. coli isolates from meat in South Africa, including aadA, strA, aph(3)-Ia, aph(3)-IIa, aac(3)-IIa, blaTEM, blaZ, ampC, cat1, cat2, cmlA1, sul1, sul2, tetA, tetB, tetC, tetD, and tetM, which confer resistance to various antibiotics such as streptomycin, kanamycin, neomycin, gentamicin, amoxicillin, ampicillin, chloramphenicol, cotrimoxazole, and tetracycline.

The study characterizes two S. aureus ST398 strains, one methicillin-resistant (MRSA) and one methicillin-susceptible (MSSA), isolated from a pig transporter. The MRSA strain harbors the mecA gene, while the MSSA strain lacks it due to a large deletion. Both strains exhibit resistance to several antibiotics including tetracycline, lincosamides, aminoglycosides, and trimethoprim.

The study identified three antibiotic resistance genes in the methicillin-resistant Staphylococcus lugdunensis strain JICS135: mecA, blaZ, and aac(6')-aph(2''). These genes confer resistance to β-lactam antibiotics, penicillins, cephalosporins, and aminoglycosides.

Avibactam up-regulates the expression of blaZ and pbp2a in S. aureus SF8300, indicating its role in activating the bla and mec divergons.

Two resistance genes, aadD2 and blaZ, were identified in S. caprae SY333 and experimentally validated for their roles in conferring resistance to aminoglycosides and beta-lactams, respectively.

The study identified multiple AMR genes in MRSA isolates from bloodstream infections, including blaZ, ermA, ermC, msrA/B, mphC, aac(6')-Ie-aph(2'')-Ia, and ant(4')-Ia, which conferred resistance to various antibiotics such as beta-lactams, macrolides, lincosamides, streptogramin B, and aminoglycosides.

The study identifies the blaZ gene encoding a beta-lactamase and a point mutation in the vraS gene associated with vancomycin intermediate resistance in a pvl-positive USA1100/ST30 methicillin-resistant Staphylococcus aureus isolate.

The study identifies blaZ as a gene encoding a beta-lactamase that contributes to the cefazolin inoculum effect (CzIE) in methicillin-susceptible Staphylococcus aureus (MSSA) isolates, leading to reduced susceptibility to cephalosporins.

The study evaluates various phenotypic methods for detecting penicillinase production in Staphylococcus epidermidis, highlighting the importance of the blaZ gene in conferring resistance to penicillin.

The study identified various AMR genes and mutations associated with daptomycin resistance in MRSA strains, including genes such as aac(6')-Ib, blaZ, mecA, ermC, fexB, tetM, tet38, dfrC, fosD, and vgaA, as well as mutations in mprF, rpoB, grlA, grlB, and gyrA.

The study shows that sanguisorbigenin (SGB) exhibits antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and enhances the efficacy of beta-lactam antibiotics. SGB reduces the expression of mecA, blaR1, and blaZ genes, which are involved in beta-lactam resistance.

The study identified various antibiotic resistance genes in Staphylococcus aureus isolates from Nepalese primates, including erm(C), aacA-aphD, blaZ, msr(A), and mph(C). These genes conferred resistance to multiple antibiotics such as erythromycin, clindamycin, gentamicin, penicillin, and others.

The study identified a highly virulent community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) ST9-SCCmec XII isolate, ZY462471, which exhibited resistance to multiple antibiotics including erythromycin, clindamycin, oxacillin, tetracycline, ciprofloxacin, levofloxacin, and gentamicin. The isolate was found to harbor the mecA, blaZ, and ermC genes, contributing to its resistance profile.

The study identifies beta-lactamase (blaZ and SA1529) and penicillin-binding proteins (pbpA, pbp2, pbp3) in EVs from MRSA that contribute to β-lactam antibiotic resistance by degrading antibiotics and altering cell wall synthesis.

This review discusses the mechanisms of β-lactam resistance in Staphylococcus aureus, focusing on penicillin-binding proteins (PBPs) and their roles in peptidoglycan biosynthesis. It highlights the importance of PBP2, PBP1, PBP3, and PBP4 in resistance mechanisms and their interactions with β-lactam antibiotics.

The study identified several AMR genes in Staphylococcus aureus isolates, including blaZ, tet(K), norA, lmrS, mepR, and fosB, which confer resistance to penicillin, tetracycline, fluoroquinolones, and fosfomycin. No resistance genes were found in S. pseudintermedius isolates.

The study identifies multidrug-resistant Staphylococcus aureus ST188 and various Klebsiella pneumoniae strains with distinct resistance mechanisms, highlighting the role of colonization in causing infections in ICU patients.

The study identified antibiotic resistance genes in Escherichia coli and Staphylococcus aureus from wildlife meat and feces, including blaCMY, aadA, sul1, sul2, tetA, tetB, tetK, tetL, tetM, vanA, vanB, and blaZ, which conferred resistance to ampicillin, streptomycin, sulfonamides, tetracycline, vancomycin, and penicillin.

The study identified various AMR genes in non-aureus staphylococci from ovine and human sources, including blaZ, tetK, msrA, ermC, smr, and qacA/B, which confer resistance to penicillin, tetracycline, erythromycin, and antiseptics.

The study identified several AMR genes in ST72 isolates, including blaZ, aadD, ermC, msr(A), mph(C), tetK, aac(6')-aph(2'), fusC, and dfrG, which confer resistance to various antibiotics. K07-204 showed resistance to methicillin, ampicillin, erythromycin, kanamycin, and tetracycline, while K07-561 exhibited resistance to ampicillin and tetracycline. Additionally, K07-204 was found to be highly resistant to lysostaphin.

The study reports a case of implanted port catheter system infection caused by methicillin-resistant Staphylococcus pseudintermedius ST71-SCC mec III, identifying several AMR genes and mutations including aac(6')-aph(2''), ant(6')-Ia, aph(3')-III, sat4A, mecA, blaZ, erm(B), dfrG, GyrA Ser84Leu, and GrlA Ser80Ile.

The study identified the presence of the blaZ gene in 80% of Staphylococcus epidermidis isolates, indicating β-lactam resistance. Methicillin resistance was detected in 60% of isolates, and high resistance to penicillin (93%) was observed.

All 31 MRSP isolates were multidrug-resistant, showing resistance to penicillin, macrolides, lincosamides, aminoglycosides, tetracycline, and trimethoprim-sulfamethoxazole. Key resistance genes identified include blaZ, ermB, msr(A/B), aac(6')-Ie-aph(2'')-Ia, aph(3')-IIIa, ant(4')-Ia, tetM, tetK, and dfrG.

The study identified blaZ, mecA, and tet(K) as the main antimicrobial resistance genes in Staphylococcus aureus isolates from surgical site infections in Ghana. These genes conferred resistance to penicillin, methicillin, and tetracycline, respectively.

The study characterizes the antimicrobial resistance genes and mutations in Staphylococcus argenteus isolates from North America, highlighting the presence of mecA, mgrA, arlR, mepR, blaZ, fosB, lmrS, and aac(6')-Ie-APH(2')-Ia, which confer resistance to various antibiotics.

The study presents a cross-resistance platform (CRP) consisting of 28 Staphylococcus aureus strains with defined resistance genotypes, designed to detect cross-resistance between established and novel antibacterial agents. The CRP includes various AMR genes and mutations that confer resistance to multiple antibiotic classes.

The study identified several AMR genes in S. aureus isolates from intensive pig production in South Africa, including ermC, blaZ, tetK, aac(6')-aph(2"), and mecA, which confer resistance to erythromycin, penicillin, tetracycline, gentamicin, and methicillin respectively.

The study identified various AMR genes and mutations in S. aureus isolates from SSTIs in ambulatory patients in Portugal, including blaZ, mecA, erm(A), erm(C), msr(A), mph(C), aadD, aacA-aphD, aph(3')-IIIa, and fusC, along with mutations in grlA, gyrA, and fusA associated with fluoroquinolone and fusidic acid resistance.

The study identified blaZ and tetK as genes conferring resistance to penicillin and tetracycline, respectively, in Staphylococcus aureus from orthopaedic implant-associated infections using nanopore shotgun metagenomic sequencing.

The study identified several AMR genes in Staphylococcus aureus CC130 isolates, including mecC, blaZ, tet(K), arsB, and arsC. These genes conferred resistance to methicillin, penicillin, tetracycline, arsenite, and arsenate. The presence of the IEC system in some mecC-positive MRSA-CC130 strains suggests potential human adaptation.

The paper discusses the mechanisms of antibiotic resistance in methicillin-resistant Staphylococcus aureus (MRSA), focusing on genes such as blaZ, mecA, and dltA, which are involved in beta-lactam and glycopeptide resistance. It highlights the importance of understanding these resistance mechanisms to develop new therapeutic strategies.

Demethoxycurcumin (DMC) inhibits the expression of PBP2a and beta-lactamase (blaZ), reversing methicillin-resistance in Staphylococcus aureus.

The study identified several AMR genes in E. coli and S. aureus isolates, including beta-lactamases (blaOXA-1, blaTEM-1A), chloramphenicol acetyltransferase (catA1), trimethoprim resistance gene (dfrA1), fluoroquinolone resistance gene (floR), sulfonamide resistance genes (sul1, sul2), methicillin resistance gene (mecA), beta-lactamase (blaZ-like), and tetracycline efflux pumps (tet(K), tet(M)).

The study identified several AMR genes in MRSP isolates, including blaZ, mecA, cat-pC221, ermB, ermC, tetM, dfrG, aac6-aph2, ant6-Ia, aph3-III, and aadD, which confer resistance to various antibiotics such as oxacillin, penicillin, chloramphenicol, erythromycin, clindamycin, tetracycline, trimethoprim, and gentamicin.

The study identified several antibiotic resistance genes in Staphylococcus aureus isolates from bulk tank milk samples, including norA, aph(3')-Ia, blaZ, and mecA. These genes conferred resistance to fluoroquinolones, aminoglycosides, beta-lactams, and methicillin, respectively.

The study identified various AMR genes in S. aureus isolates from Fort Portal Regional Referral Hospital, including blaZ, dfrA, dfrG, ermA, ermC, msrA, tetK, and tetM, contributing to resistance against multiple antibiotics. Additionally, mecA was detected, indicating methicillin resistance.

The study identifies the presence of blaZ, mecA, and erm(B) genes in Staphylococcus coagulans isolates, along with various mutations in grlA and gyrA that contribute to fluoroquinolone resistance.

The study identified the blaZ gene in several Staphylococcus species, including S. chromogenes, S. aureus, S. warneri, S. auricularis, S. caprae, and S. simulans, which conferred resistance to penicillin. Additionally, the tetK and tetM genes were found in S. aureus isolates, providing resistance to tetracycline.

The study identifies multiple AMR genes and mutations in ST9 S. aureus, including mecA, blaZ, lnu(B), lsa(E), erm(C), fexA, tet(L), dfrG, vwb, and the MDR ST9 element, highlighting their role in multidrug resistance and host adaptation.

The study characterizes the molecular relationships between two-component systems of virulence factors and the expression of the beta-lactamase gene in MRSA-BSI isolates, highlighting the role of genes such as mecA, blaZ, mecI, mecRI, sarA, RNAIII, and SaeRS in β-lactam resistance.

The study identified several antimicrobial resistance genes in staphylococci isolated from mastitic cow's milk in Kenya, including blaZ, strB, msrA, ermB, tetM, and tetK, which confer resistance to beta-lactams, streptomycin, erythromycin, and tetracycline.

The study identified various antimicrobial resistance genes in Staphylococcus aureus isolates from equids, including blaZ, mupA, lnuA, tetK, tetL, tetM, norA, dfrC, dfrG, dfrK, ermA, ermC, msrA, mphC, qacA/B, qacC, and fosB. An isolate (17-021) was found to carry the lnuA gene and mupA plasmid, conferring resistance to clindamycin and mupirocin. A mutation in the prs gene was associated with phenotypic susceptibility to β-lactam drugs in a mecA-positive isolate.

The study identified several antibiotic resistance genes in Staphylococcus aureus isolates from retail raw milk in northern Xinjiang, China, including blaZ, mecA, ermA, ermB, ermC, aacA-aphD, tetK, tetM, vanA, rpoB, linA, optrA, and cfr, which confer resistance to penicillin, methicillin, oxacillin, erythromycin, gentamicin, tetracycline, vancomycin, rifampin, clindamycin, linezolid, chloramphenicol, and florfenicol.

The study identified various antibiotic resistance genes in Staphylococcus aureus isolates from coastal beaches and rivers on the island of Hawai'i, highlighting the presence of multidrug-resistant strains.

The study identified several AMR genes in S. aureus isolates from raw milk samples, including blaZ for penicillin resistance, tetK for tetracycline resistance, mecA for methicillin resistance, ermC for erythromycin and clindamycin resistance, and dfrG for co-trimoxazole resistance.

The study identified vancomycin-resistant Streptococcus equi subsp. equi isolates carrying the vanA gene, along with tetK, blaZ, and fexA genes, indicating resistance to vancomycin, tetracycline, penicillin, and chloramphenicol, respectively.

The study identified a high proportion of oxacillin-susceptible mecA-positive Staphylococcus aureus isolates, highlighting the need for genetic testing to accurately detect methicillin-resistant S. aureus.

The study reports two false-negative results in detecting meticillin-resistant Staphylococcus aureus (MRSA) using the Cepheid Xpert MRSA NxG assay. The isolates were resistant to multiple antibiotics, including beta-lactams, aminoglycosides, and tetracyclines, and carried resistance genes such as blaZ, mecA, erm(T), aac(6')-aph(2"), tet(L), and tet(M).

The study characterized the antibiotic resistance profiles of Staphylococcus pseudintermedius isolates from cats in Poland, identifying several resistance genes including blaZ, mecA, aac(6')Ie-aph(2")Ia, ermB, tet(L), and tet(M).

The study identified several antibiotic resistance genes, including blaTEM, blaSHV, blaZ, and mecA, in various foodborne pathogens isolated from raw kebab and hamburger samples. These genes were found to confer resistance to multiple antibiotics, highlighting the presence of multidrug-resistant bacteria in these food products.

The study identified several AMR genes in S. aureus isolates from ready-to-eat food samples, including blaZ, aacA-D, tetK, ermA, and gyrA, which conferred resistance to penicillin, aminoglycosides, tetracyclines, macrolides, and fluoroquinolones.

The study identified three antibiotic resistance genes (blaZ, fosB, and tet38) in Staphylococcus aureus using shotgun-metagenomics. These genes were associated with resistance to penicillin, fusidic acid, and tetracycline.

The study identified the co-carriage of antibiotic resistance genes (ARGs) and metal resistance genes (MRGs) in sewage-associated staphylococci, particularly highlighting the presence of blaZ, cadD, cadX, erm(C), and Vga(A)LC in various isolates.

The study identified several antimicrobial resistance genes in Staphylococcus aureus isolates from human and food samples in northern Algeria, including blaZ, ermB, ermC, aphA3, sat, tetK, and tetM.

The study evaluated antimicrobial susceptibility testing methods for Staphylococcus lugdunensis, identifying blaZ and mecA as key genes responsible for penicillin and oxacillin resistance, respectively.

The study identified several antibiotic resistance genes in Staphylococcus spp. isolated from goat milk, including blaZ, mecA, tetK, and tetM, which confer resistance to penicillin, methicillin, and tetracycline.

The study identified several antimicrobial resistance genes, including blaZ, vanA, ermB, tetM, and optrA, in Enterococcus species isolated from subclinical mastitic milk. High rates of multidrug resistance were observed, particularly against oxacillin, vancomycin, and linezolid.

The study identified 14 AMR-associated genes, including blaI, blaR1, blaZ, tet(38), merR1, and norB4, in S. aureus isolates from New Zealand dairy cattle. These genes were associated with resistance to penicillin, tetracycline, mercury, and ciprofloxacin. The presence of resistance genes remained low, and no significant associations were found between resistance genes and antimicrobial usage or dry cow therapy.

The study identified mecC-positive MRSA strains ST425-t742 and ST130-t843 in surface waters, along with various AMR genes such as mecC, blaZ, ermT, msr(A/B), vgaA, tetL, mecA, mph(C), aac(6')-Ie-aph(2'')-Ia, aph(3')-IIIa, dfrA, fusB, and catpC221 in Staphylococcus aureus and coagulase-negative staphylococci.

The study identified resistance genes ermB, ermC, blaZ, tetM, tetO, and tetK in Streptococcus uberis isolates from sheep milk, contributing to resistance against erythromycin, penicillin, and tetracycline.

The study reports the first isolation of CC5-MRSA-IV-SCCfus 'Maltese Clone' from bat guano in Algeria, highlighting the presence of fusidic acid resistance element fusC, fosfomycin resistance gene fosB, and penicillinase gene blaZ in the MRSA isolates.

The study identified the blaZ gene conferring penicillin resistance in 84% of the isolates, tet(K) or tetM genes for tetracycline resistance in 20% of the isolates, and the dfrG gene for trimethoprim resistance in 28% of the isolates.