The study characterizes VanG, a d-Ala:d-Ser ligase associated with vancomycin resistance in Enterococcus faecalis, revealing its structural and functional properties, including its role in synthesizing modified peptidoglycan precursors that reduce vancomycin binding affinity.

The paper reports the first laboratory-confirmed cases of vancomycin-resistant group B streptococcus (GBS) infections, identifying the vanG gene as responsible for vancomycin resistance.

The study identifies vanG elements as the cause of vancomycin resistance in Streptococcus agalactiae and Streptococcus anginosus, showing that these elements are inserted into the rumA gene and confer resistance through the production of d-Ala-d-Ser peptidoglycan precursors.

The study identified several AMR genes in C. difficile RT014 isolates, including tetracycline resistance genes (tetM, tetA(P), tetB(P), tetW), macrolide/lincosamide/streptogramin resistance gene ermB, and aminoglycoside resistance genes (aph3-III, Sat4A, ant6-Ia).

The study identified several antibiotic resistance genes in the ST201 strains of Clostridium difficile, including vancomycin resistance operons (VanA, VanB, VanG, VanE), virginiamycin A acetyltransferase, multidrug resistance efflux pumps, bacitracin resistance genes, tetracycline resistance genes, and fluoroquinolone resistance genes.

The study explores the complex resistomes of Paenibacillaceae, revealing diverse antibiotic resistance mechanisms including intrinsic and acquired resistance genes such as aadD2, vanA, vanB, vanC, vanD, vanE, vanF, vanG, mcr, bla, tet, qnr, erm, mph, lnu, lsa, vat, vgb, cat, cfr, optrA, poxtA, sul, dfr, mexAB-OprM, acrAB-TolC, and oqxAB.

The study reports the first linezolid- and vancomycin-resistant Streptococcus suis isolate harboring the optrA and vanG operons, indicating the potential risk of these resistance genes spreading to other Gram-positive bacteria.

The study identified several AMR genes in multidrug-resistant Enterococcus spp. isolated from wastewater treatment plants, including vancomycin resistance genes (vanA, vanM, vanG, vanC), macrolide resistance genes (ermB, msrC), tetracycline resistance genes (tetL), aminoglycoside resistance genes (aad(6'), aac(6')-Ie-aph(2")-Ia, ant(9')-Ia, aph(3')-IIIa, SAT-4, ant(6')-Ia), chloramphenicol resistance gene (cat), dihydrofolate reductase genes (dfrE, dfrF, dfrG), and lincosamide resistance genes (InuB, InuG).

The study identified several antibiotic resistance genes (ARGs) in human gut microbiota, including beta-lactam resistance genes (PBP-1A and PBP-2X) and vancomycin resistance genes (vanG, vanH, vanR, and vanU). These genes were found in various bacterial species and were linked to the resistance phenotypes of the bacteria.

Probiotics can reduce the number of antibiotic resistance genes in the gut of colonization-permissive, antibiotic-naïve individuals but exacerbate resistome expansion in the GI mucosa after antibiotic treatment by supporting the bloom of strains carrying vancomycin resistance genes.

The study identified numerous antimicrobial resistance genes (ARGs) in livestock and soil microbiomes, including tetracycline resistance genes (tet(W)_1, tet(Q)_1, tet(O)_1, tet(44)_1), macrolide resistance gene (ole(B)_1), colistin resistance genes (mcr-1.11, mcr-5.1, mcr-7.1), and vancomycin resistance genes (vanG, vanA-B, vanH-B, vanXY-G).

Mutations in vanR or vanS lead to constitutive expression of the vanG operon, allowing D-Ala-D-Ser synthesis and low-level vancomycin resistance in C. difficile.

The study identifies numerous AMR genes in Mycobacteroides abscessus complex, highlighting the widespread presence of resistance to multiple antibiotic classes, including beta-lactams, aminoglycosides, glycopeptides, and others. Key findings include the detection of beta-lactamases like blaLAP-1 and blaTLA-2, 23S rRNA methyltransferases such as erm(33), erm(43), and erm(44), and various aminoglycoside modifying enzymes. Additionally, vancomycin resistance genes like vanA, vanB, and vanC were identified, along with efflux pump genes contributing to multidrug resistance.

The study identified several AMR genes and mutations in C. difficile isolates from South American camelids in Germany, including bla_CDD-1, vanZ1, aadE, tet(M), tet(40), vanG, vanR, vanS, vanT, and mutations in gyrA and gyrB associated with fluoroquinolone resistance.

The paper discusses the genetic basis of antibiotic resistance mechanisms in Enterococcus and Staphylococcus aureus, focusing on various resistance genes and mutations associated with glycopeptides, aminoglycosides, beta-lactams, macrolides, lincosamides, streptogramins, quinolones, tetracyclines, and fosfomycin.

The study identified various antibiotic-resistance genes in three strains of Enterococcus faecalis associated with streptococcosis in fish, including genes conferring resistance to tetracycline, macrolide-lincosamide-streptogramin, and vancomycin.

The study identifies multiple antibiotic resistance genes in E. coli WG5D, including multidrug efflux pumps and genes conferring resistance to various antibiotics such as fluoroquinolones, cephalosporins, and glycopeptides.

The study identified antibiotic resistance genes (ARGs) in Nocardia strains, revealing resistance to multiple drugs including rifampin and vancomycin. The mce gene family was linked to the pathogenicity and clinical severity of Nocardia keratitis.

The study identifies multiple antibiotic resistance genes in multidrug-resistant Enterobacter bugandensis strains isolated from the International Space Station, highlighting their potential to persist and succeed in extreme environments.

The study identified vancomycin-resistant genes (vanA, vanB, vanC, vanD, vanE, vanG) in intrinsically antibiotic-resistant bacteria from the gut microbiota of Indonesian individuals, highlighting the potential role of these bacteria in the spread of antibiotic resistance through horizontal gene transfer.

The study identified multiple AMR genes including VanC-1, VanG, Vex2, Vex3, emeA, Isa, ermB, TetM, fosB, ParC, ParE, gyrA, gyrB, MATE, MFS, and pmrA in multidrug-resistant Enterococcus faecium and Enterococcus faecalis. These genes conferred resistance to various antibiotics such as vancomycin, tetracycline, erythromycin, clindamycin, ciprofloxacin, and moxifloxacin.

The study reports a vanG-type vancomycin-resistant Streptococcus pneumoniae isolate from a 66-year-old patient with bacteremic pneumococcal pneumonia, highlighting the emergence of this resistance mechanism in a novel serotype 4/ST10172 strain.

The study identified a multidrug-resistant hypermucoviscous Klebsiella variicola strain LL2208 isolated from Chinese longsnout catfish, which exhibits resistance to various antibiotics including penicillins, macrolides, amphenicols, lincosamides, and glycopeptides. The strain possesses 30 antimicrobial resistance genes, including blaLEN-16, ompK37, pbp3, and vanG.

The study identified multiple antimicrobial resistance genes in pan-drug resistant Proteus mirabilis isolates, including genes conferring resistance to aminoglycosides, beta-lactams, tetracyclines, sulfonamides, and others. These genes were found on the chromosome and contributed to the isolates' resistance to various antibiotic classes.

The study identified various AMR genes in zoo animal microbiomes, including resistance to tetracyclines, lincomamides, fluoroquinolones, vancomycin, beta-lactams, and aminoglycosides.

The study identified multiple antimicrobial resistance (AMR) genes in Trueperella pyogenes, including tet(W/32/O), erm(X), vanG, sul1, and qacEdelta1, which confer resistance to tetracyclines, MLS B, glycopeptides, sulfonamides, and biocides, respectively. These genes were detected in various T. pyogenes isolates from different animal hosts and body sites, highlighting the genetic diversity and potential for AMR dissemination among different hosts.

The study identifies multiple antimicrobial resistance genes, including blaACT-2, fosA2, vanA, vanB, and vanG, in a multidrug-resistant Enterobacter asburiae isolate from a diabetic foot infection in Bangladesh.

This review highlights the pathogenesis, virulence factors, and antibiotic resistance genes of Riemerella anatipestifer, emphasizing its significance in poultry farming and the need for further research on its resistance mechanisms.

The study identified multiple AMR genes in Rothia nasimurium Y1, including vanA, vanC, vanB, vanE, vanD, vanG, vanF, vanM, vanL, vanO, vanN, mtrA, vanRA, arlR, vanRI, vanRB, vanRC, vanRD, vanRF, vanRG, CpxR, kdpE, vanRM, vanRN, baeR, adeR, vanRL, smeR, gyrA, gyrB, parC, Mfd, mfd, PBP2, PBP2x, EF-Tu, dfrE, pncA, tetB(P), tetQ, tet44, tetT, tetW, tetS, tetM, tetO, otr(A), tet36, tet32, clbC, clbB, clbA, cipA, cfrA, cfrC, sul3, ParY, murA, cls, and ileS, which confer resistance to various antibiotics such as glycopeptides, beta-lactams, fluoroquinolones, tetracyclines, sulfonamides, aminoglycosides, lincosamides, phenicols, macrolides, and others.

The study identifies several AMR genes in bacterial isolates from wild aquatic birds in Northern Italy, including beta-lactamases (blaTEM, blaCMY-1, blaCMY-2, blaNDM, blaKPC), colistin resistance genes (mcr-2, mcr-3, mcr-4), tetracycline resistance genes (tetA, tetB, tetC, tetL, tetM, tetK), macrolide resistance genes (ermB, vatD, vgA, msrC), vancomycin resistance genes (vanC1, vanC2, vanM, vanG), sulfonamide resistance genes (sul1, sul2, sul3), aminoglycoside resistance genes (aac(3), aac(6')-Ib, aph(3')-Ia, armA, rmtB, rmtC, rmtF), and nitrofurantoin resistance genes (nfsA, nfsB).

The study identified numerous antibiotic resistance genes (ARGs) in the gut microbiota of wild rodents, including genes conferring resistance to elfamycin, tetracycline, and glycopeptides. Notable ARGs include Cdif_EFTu_ELF, Ecol_EFTu_KIR, Efac_EFTu_GE2A, Saur_fusA_FA, and Cdif_rpoB_RIF, which were found to be widely distributed among rodent gut microbiomes.

The study identified several AMR genes in a multidrug-resistant Bacillus cereus strain isolated from hospital wastewater, including beta-lactamases (BcII, BcIII, BcI), glycopeptide resistance genes (vanW, vanY, vanT), tetracycline resistance gene (tetB(P)), fosfomycin resistance gene (fosB), and efflux pump genes (bcrA, bcrB, ykkCD, qacJ).

The study identified multiple vancomycin resistance genes, including vanW, vanG, vanT, vanY, vanXY, vanH, and others, in the caecal microbiota of red grouse. Additionally, a tetracycline resistance gene (adeF) and a metronidazole resistance gene (nimJ) were detected.

The study identified several antimicrobial resistance (AMR) genes in a dairy wastewater sample, including beta-lactamases, aminoglycoside acetyltransferases, tetracycline resistance proteins, quinolone resistance proteins, and macrolide ribosome methyltransferases. These genes were found in various bacterial species such as Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, and Pseudomonas aeruginosa.

The study identifies 42 antimicrobial resistance (AMR) genes in the pan-drug resistant Klebsiella pneumoniae isolate KPNW, including beta-lactamases (bla CTX-M-15, bla NDM-1, bla OXA-1, bla TEM-63, bla TEM-104, bla SHV-28), tetracycline resistance genes (tet(A)), and efflux pump genes (oqxA, oqxB, marA, marR, ompK37, pbp3, crp, h-ns, kpnG, kpnH, parC, rsmA). Additionally, the isolate shows resistance to polymyxin B and colistin through modifications in lipid A (eptB, arnT, lptD, msbA, vanG) and other mechanisms.

The study identified 19 antibiotic resistance genes (ARGs) in Clostridium species from the gut of giant pandas, including glycopeptide resistance genes (vanG, vanH, vanR, vanT, vanW, vanX, vanY), tetracycline resistance genes (tet(Q), tetA(P), tetB(P)), multidrug resistance genes (cplR, sdrM, ermQ), and disinfectant resistance genes (qacG, qacJ).