The study identified tetE as the predominant tetracycline resistance gene in Aeromonas veronii isolates from catfish, followed by tetB, tetA, tetC, and tetD.

The study found that high concentrations of chlortetracycline (CTC) selected for increased tetracycline resistance in aerobic bacterial populations, with a greater diversity of tet resistance genes detected in the high-CTC chemostat compared to low-CTC and control chemostats.

The study identified tetA and tetE tetracycline resistance genes in Aeromonas strains from Brazil, demonstrating their role in plasmid and chromosomal resistance. The plasmid pSS2 was shown to carry the tetA gene and contribute to tetracycline resistance.

The study identified a high prevalence of multidrug-tolerant bacteria and various antimicrobial resistance genes in ornamental fish and their carriage water, highlighting the potential risk of resistance gene spread through the aquatic environment.

The study identified tetA and tetE genes as the primary determinants of tetracycline resistance in Korean Aeromonas salmonicida isolates, along with point mutations in gyrA and parC contributing to quinolone resistance.

The study identifies various AMR genes in Salmonella enterica, Escherichia coli, and Enterococcus spp. isolated from U.S. food animals, including aac(3'), aac(6'), aadA, aadA1, aadA2, aadA12, aphAI, aph(3')-Ii-iv, strA, strB, bla CMY-2, bla TEM-1, bla PSE-1, floR, cmlA, cat1, cat2, sul1, sul2, dfr1, dfrA10, tet(A), tet(B), tet(C), tet(D), tet(G), and tetR.

The study identified the prevalence of tetracycline resistance genes, particularly tet(A), among multi-drug resistant bacteria in water distribution systems in southwestern Nigeria, highlighting the potential for horizontal gene transfer.

The study identified various antimicrobial resistance genes in STEC isolates from cattle, including ampC, blaTEM, tetE, tetB, and tetC, which confer resistance to beta-lactams and tetracyclines. These findings highlight the importance of monitoring antimicrobial resistance in STEC strains.

The study identifies 13 antibiotic resistance genes in a multidrug-resistant Aeromonas salmonicida strain, including the ESBL CTX-M-3, TEM-1, and the unusual β-lactamase SCO-1, along with other resistance mechanisms such as aminoglycoside modification, sulfonamide resistance, tetracycline efflux, and chloramphenicol acetylation.

The study identified various AMR genes in Salmonella enterica isolates from equine patients, including beta-lactamases, aminoglycoside modifying enzymes, and genes conferring resistance to tetracyclines, macrolides, and other antibiotics.

The study identifies several AMR genes, including floR, fexA, and various tetracycline resistance genes (tetA, tetB, tetE, tetH, tetL, tetM, tet34, tet35), associated with resistance to florfenicol and oxytetracycline in gut bacteria from salmon farms. These genes were found in multiple bacterial species, highlighting the widespread nature of AMR in aquatic environments.

The study detected high levels of multidrug-resistant (MDR) Escherichia coli in pig farms in Kupang, Indonesia, with a significant prevalence of tet(A) and tet(E) genes associated with tetracycline resistance.

The study identified multiple antimicrobial resistance genes in Aeromonas veronii strain MS-17-88, including beta-lactamase genes (imiS, ampS), phenicol resistance genes (floR, catB2, catB7, vat(F)), colistin resistance genes (mcr-3, mcr-7.1), tetracycline resistance genes (tet(34), tet(35), tet(E)), and a trimethoprim resistance gene (dfrA3).

The study identifies several AMR genes, including bla TEM, bla CTX-M-2, bla CTX-M-8/25, tetA, and tetE, which are associated with multidrug resistance in coliform bacteria from hospital wastewater.

The study found that anaerobic digestion of dairy manure significantly reduced the abundance of antibiotic resistance genes, including various ESBL genes such as bla CTX-M-1, bla CTX-M-14, bla CTX-M-15, bla CTX-M-27, bla CTX-M-55, and bla PER-1, as well as other resistance genes like aac(6')-Ib-cr, aph(3')-Ib, aph(6)-Id, bla OXA-1, catB4, dfrA1, floR, lnu(G), sul2, aadA2, mph(E), msr(E), tet(C), tet(E), and tet(X).

The study identified several antimicrobial resistance genes in Aeromonas spp. isolated from fish farms, including blaSHV-01, mexF, tetE, floR1, and sul3, which were associated with resistance to beta-lactams, tetracycline, phenicol, and sulfonamide-trimethoprim.

The study identified multiple tetracycline resistance genes (tet(A), tet(B), tet(C), tet(D), tet(E), and tet(G)) in Salmonella spp. strains isolated from animals and food, highlighting the prevalence of these genes and their potential role in the spread of antibiotic resistance.

Three Salmonella spp. strains were isolated from marine animals in Sicily, showing resistance to ampicillin, tetracycline, and sulfamethoxazole. All strains harbored multiple antibiotic resistance genes, including blaTEM, blaOXA, tet(A), tet(D), tet(E), sulI, and sulII.

The study identified multiple antibiotic resistance genes in Aeromonas spp. isolated from freshwater fish in Malaysia, including blaTEM, blaSHV, sul1, aadA, strA-strB, tetA, and tetE, which confer resistance to ampicillin, sulfamethoxazole, streptomycin, and tetracycline.

The study identified 17 AMR genes in Aeromonas veronii isolates from tilapia, highlighting extensive antibiotic resistance traits, including resistance to beta-lactams, aminoglycosides, tetracyclines, and others.

The study identified several tetracycline resistance genes (tetA, tetB, tetD, tetE), florfenicol resistance gene (floR), chloramphenicol resistance gene (cat), quinolone resistance gene (qnrS), and aminoglycoside resistance genes (aac(6')-1b, strA-strB) in Aeromonas hydrophila and Aeromonas veronii isolates from aquatic animals.

The study identifies several AMR genes and mutations associated with resistance to various antibiotics in wastewater environments, highlighting the role of these genes in the spread of antimicrobial resistance.

The review discusses various mechanisms of antibiotic resistance in bacteria, including resistance genes such as blaCTX-M, ermB, tet(O), vanA, vanB, and aac(6')-Ie-aph(2")-Ia, as well as mutations in gyrA, gyrB, and 23S rRNA associated with resistance to fluoroquinolones, macrolides, and other antibiotics.

The paper discusses the prevalence and mechanisms of antimicrobial resistance, focusing on tetracycline resistance genes such as tetA, tetB, tetC, tetD, tetE, tetI, and tetY in Escherichia coli. These genes are associated with efflux mechanisms that contribute to resistance against tetracycline.

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 multiple antibiotic resistance genes in Vibrio species from freshwater samples in Southwest Nigeria, including sulI, sulII, ampC, blaOXA, blaPSE, tetA, tetE, strA, aacC2, and aphA1, highlighting the environmental spread of resistance genes.

The study identified the presence of antibiotic-resistant coliform bacteria and enterococci in flour, plant powders, and dough samples. The blaSHV, tetA, and tetE genes were detected in isolates, indicating resistance to ampicillin and tetracycline. Enterococci were less prevalent compared to coliform bacteria and were found only in non-cereal flours.

The study characterized multiple antimicrobial resistance (AMR) genes in Aeromonas media strain SD/21-15, including beta-lactamases (bla MOX-9, bla OXA-427), carbapenemases (crp), polymyxin resistance genes (mcr, mcr-3, mcr-3.6), tetracycline resistance (tet(E)), quinolone resistance (qnrS2), and multidrug efflux pumps (mexB).

The paper discusses the presence of antibiotic resistance genes (ARGs) in bivalve molluscs, highlighting the spread of resistance to various antibiotics such as colistin, beta-lactams, fluoroquinolones, and tetracyclines. It emphasizes the role of bivalve aquacultures in the dissemination of ARGs and the potential risks to human health through the food chain.

The study identifies various tetracycline resistance genes (tetC, tetE, tetG, tetM, tetO, tetQ, tetW, tetX), sulfonamide resistance gene (sulI), aminoglycoside resistance genes (ant(2')-Ia, ant(3')-Ia, aph(6')-Id, aph(33')-Ib, aac(6')-Ib), beta-lactam resistance genes (blaGES, blaVEB), chloramphenicol resistance gene (catB3), MLS resistance genes (ereA, ermB), and multidrug resistance genes (acrB, mexB, mexF) in municipal sewage treatment plants, highlighting their association with mobile genetic elements and microbial communities.

The study identified multiple antimicrobial resistance genes in Aeromonas caviae isolates from extra-intestinal infections, including blaMOX, blaPER-3, blaOXA, blaNDM, blaCphA, qnrS2, qnrVC, aac(6')-Ib-cr, tet(A), tet(E), tet(31), dfrA1, dfrA12, dfrA14, dfrA15b, floR, catB3, catII, and catI, which confer resistance to various antibiotics such as cephalosporins, carbapenems, fluoroquinolones, tetracyclines, trimethoprim, and chloramphenicol.

The study identified the distribution of tetracycline resistance genes (tetA, tetB, tetC, tetE, tetM, tetO, and tetX) in Escherichia coli isolates from pig slaughterhouses in Banten Province, Indonesia. The tetO gene was the most dominant in floor surface samples, while tetA was dominant in effluent samples.

The study identified tetracycline resistance genes (tet(A), tet(B), tet(E)) and a quinolone resistance gene (qnr(S)) in extracellular enzyme-producing bacteria isolated from tilapia, highlighting the need for careful selection of probiotic candidates to avoid antibiotic resistance dissemination.

The study reveals that immigration of influent wastewater into activated sludge leads to an increase in the abundance of over 70% of the quantified antibiotic resistance genes (ARGs). Specific ARGs such as blaTEM, blaMOX, qnrS, qnrB, mphE, dfrA, tetO, tetQ, tetE, marR, msrD, robA, qacL, blaOXA, and ereA were found to increase in abundance with immigration, indicating the impact of influent immigration on the persistence of AMR in wastewater treatment plants.

The study identified various AMR genes in Aeromonas strains isolated from ready-to-eat seafood, including beta-lactamases (bla OXA-12, bla OXA-780, bla OXA-427, bla OXA-956, cphA1, cphA2, cphA5), quinolone resistance gene qnrS2, sulfonamide resistance gene sul1, aminoglycoside resistance gene aadA1, tetracycline efflux pump tet(E), and efflux pump qacEΔ1.

The study identified the presence of multiple AMR genes, including blaOXA-232, blaCTX-M-15, blaSHV-28, fosA, oqxA, oqxB, tet(E), AAC(6')-Ib, APH(3'')-Ib, APH(6)-Id, TEM-1, sul2, QnrB17, QnrB1, dfrA14, arr-2, AAC(6')-Ib9, and rmtF, in OXA-232-producing CRKP isolates from a hospital outbreak in China.

The study identified the tetracycline resistance gene tetE and the quinolone resistance gene qnrB in Aeromonas salmonicida AG2.13.2 and Aeromonas rivipollensis AG2.13.5, indicating their resistance to tetracycline, oxytetracycline, and quinolones.

The study identified tetracycline, sulfamethoxazole, and trimethoprim/sulfamethoxazole resistance genes (tetD, tetB, tetM, tetE, sul1, sul2, and dfrA) in Vibrio and Aeromonas isolates from raw seafood samples in Japan.

The study identifies a high prevalence of antimicrobial resistance (AMR) genes in Aeromonas isolates from children with moderate-to-severe diarrhea (MSD) in Karachi, Pakistan. Key AMR genes include beta-lactamases (blaCMY-1, oxa-12, cphA2, mox), sulfonamide resistance (sul1), aminoglycoside resistance (aac(6')-lld), and tetracycline resistance (tetE).

The study identified several AMR genes in Aeromonas isolates from freshwater fish in Hebei Province, including TEM, tetA, floR, sul2, Ant(3")-I, and qacEΔ1, which confer resistance to various antibiotics such as penicillin, tetracycline, chloramphenicol, sulfonamide, aminoglycoside, and quinolone.

The study identifies specific tetracycline resistance mechanisms (efflux pumps, ribosomal protection proteins, and type 1 tetracycline destructases) that are preferentially selected by different generations of tetracycline antibiotics, highlighting the evolutionary dynamics of resistance.

The study identified high levels of antimicrobial resistance in bacterial isolates from finfish aquaculture in Thailand, with particular emphasis on beta-lactam, tetracycline, and fluoroquinolone resistance in Gram-negative bacteria, and beta-lactam, macrolide, fluoroquinolone, and peptide resistance in Gram-positive bacteria. Unique resistance gene families, such as the SMR efflux pump and OXA beta-lactamase, were found in Aeromonas spp. and V. vulnificus.