The study identifies the pBC16 tetracycline resistance gene (tet) in Bacillus subtilis and demonstrates that its regulation follows a variation of the translation attenuation model, where the wild-type gene confers resistance without requiring mutations.

The study demonstrates the successful incorporation of the cat and tet genes into the stx2 gene of prophages using the lambda Red recombinase system, resulting in the production of recombinant prophages that confer resistance to chloramphenicol and tetracycline.

The study identifies multiple AMR genes and mutations in a multidrug-resistant Staphylococcus aureus strain, including mecA, aadD, bleO, ermC, tet, and a chromosomal mutation in gyrA, contributing to resistance against beta-lactams, aminoglycosides, macrolides, tetracyclines, and fluoroquinolones.

The study identified QRDR mutations in gyrA and parC, as well as the aac(6')-Ib-cr gene, class 1 and class 2 integrons, and various resistance genes including blaTEM-1, catA1, dfrA1, dfrA17, aadA1, aadA5, strA, tet, and aphA1-Ia in ETEC strains, contributing to multidrug resistance.

The study identified various genomic islands (GIs) in enterobacteria, including those carrying antibiotic resistance genes such as beta-lactamase (bla), tetracycline efflux protein (tet), and mercury resistance operon (mer). These GIs were found to be horizontally transferred and contributed to the virulence and resistance profiles of the strains analyzed.

The study reports the emergence of tetracycline-resistant Vibrio cholerae O1 biotype El Tor serotype Ogawa with classical ctxB from a recent cholera outbreak in Orissa, India. The isolates showed resistance to tetracycline through an efflux-mediated mechanism.

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.

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 reports a high prevalence of multidrug-resistant (MDR) Salmonella Typhi isolates during a prolonged typhoid fever outbreak in Uganda, with 83% of 18 isolates being MDR. It also notes an increase in antimicrobial resistance compared to 2009 isolates.

The study identifies multiple antimicrobial resistance genes in MRSA strains from Krasnoyarsk, Siberian Russia, including mecA, blaZ, ermA, ermC, cat, aacA-aphD, aadD, tet, spc, ble, qacA, cad, and mer, which confer resistance to various antibiotics such as methicillin, ampicillin, erythromycin, clindamycin, chloramphenicol, gentamicin, kanamycin, tetracycline, spectinomycin, bleomycin, quaternary ammonium compounds, cadmium, and mercury.

The study identified several antibiotic resistance genes in Weissella species, including fosB, mdt-fosB, mrp, vanZ, sul, tet, and drrC, which confer resistance to fosfomycin, methicillin, teicoplanin, sulfonamide, tetracycline, and daunorubicin respectively.

ShortBRED was developed to improve the accuracy and efficiency of profiling antibiotic resistance (AR) protein families in metagenomic data. The study identified tetracycline-resistant ribosomal protection proteins and Class A beta-lactamases as the most widely distributed resistance mechanisms globally.

The study identified tetracycline, trimethoprim, and amoxicillin resistance genes (tet, dfrA, and blaTEM-1) in E. coli strains from buffalo and cattle populations in Zimbabwe, highlighting the role of human-animal interfaces in the dissemination of antibiotic resistance.

The study identifies Saccharomyces cerevisiae IFST 062013 as a potential probiotic with resistance to tetracycline, ampicillin, gentamicin, penicillin, polymyxin B, and nalidixic acid.

The study identified multiple antimicrobial resistance genes in 11 multidrug-resistant Klebsiella pneumoniae isolates, including ESBL genes (blaCTX-M-15, blaSHV-12, blaTEM-1B), fluoroquinolone resistance genes (oqxAB, qnrB), and others such as catA, catB, tet, sul, dfr, and fosA. These genes contribute to resistance against various antibiotics, highlighting the complex resistance profile of these isolates.

The study identified the beta-lactamase gene blaTEM-171 and the tetracycline resistance gene tet(A) in the multidrug-resistant coliform strain COL1, which were validated through plasmid transformation and antibiotic susceptibility testing.

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 identified numerous antibiotic resistance genes (ARGs) in antibiotic manufacturing effluents and receiving sediments, highlighting the presence of both known and potentially novel resistance mechanisms. Key findings include the discovery of macrolide resistance genes such as hflx, msr(e), mph(e), mph(g), and mef(c), as well as sulfonamide resistance genes sul1 and sul2, and beta-lactamase genes like bla ges-1, bla veb-9, and bla cm y-10. Additionally, trimethoprim resistance genes dfr14, dfra1, and dfr17 were identified.

The study identified various antibiotic resistance genes within integron gene cassettes in wastewater treatment plants, including aadA1, aadA2, aadA5, blaOXA-1, blaOXA-10, blaOXA-101, blaOXA-129, blaOXA-21, blaOXA-28, catB8, dfrA14, erm, qacE2, sul1, tet, orfD, and orfA, which confer resistance to aminoglycosides, beta-lactams, chloramphenicol, trimethoprim, sulfonamides, tetracyclines, and quaternary ammonium compounds.

The study identifies clinically relevant ESBL-producing K. pneumoniae ST307 and E. coli ST38 in an urban West African rat population, highlighting the presence of multidrug-resistant strains carrying various resistance genes such as blaCTX-M-15, blaCTX-M-14, blaCTX-M-9, and others.

The study identified tetracycline resistance in Clostridium perfringens isolates from diarrheic and non-diarrheic dogs in Korea, with 25.0% of isolates showing resistance to tetracycline.

The paper discusses the prevalence and mechanisms of antimicrobial resistance in Streptococcus species, particularly focusing on macrolide, lincosamide, and tetracycline resistance. Key genes identified include erm(B), erm(A), lnuB, lnuD, mefA, mefE, msr, tet(B), tet(K), tet(L), tet(M), tet(O), and tet(S).

The study identifies a tetracycline resistance determinant in the Streptococcus faecalis plasmid pCF-10 and maps regions involved in conjugal transfer and pheromone response.

The study compared various plasmid extraction methods to identify those that effectively recover antibiotic resistance plasmids from complex broiler cecal samples. The exogenous plasmid isolation method was found to be the most consistent and reliable for obtaining a wide range of resistance plasmids.

The study identifies a novel integrative conjugative element (ICE), ICESsuHN105, carrying multiple antibiotic resistance genes in Streptococcus suis serotype 5 strain HN105, contributing to its multidrug resistance phenotype.

The study identifies that deletions in the tetracycline resistance determinant of plasmid RP1 reduce the thermosensitivity of a trfA(Ts) derivative in Pseudomonas aeruginosa, indicating that the tet gene products destabilize the plasmid replicon at higher temperatures.

The study identified tetracycline resistance in Listeria monocytogenes isolates from retail foods in Zhejiang Province, China.

The study identified resistance to ampicillin, sulfamethoxazole, and tetracycline in Salmonella isolates from a pig slaughterhouse, with no significant changes in resistance patterns after cleaning and disinfection procedures.

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.

The study identifies acquired antimicrobial resistance genes in Salmonella Napoli, including aadA, bla, tet, and sul, which confer resistance to streptomycin, beta-lactams, tetracyclines, and sulfonamides, respectively.

The study identified the presence of cpb2 and cpe toxin genes in Clostridium perfringens isolates from duck farms in Shandong, China, with cpb2 prevalence at 30.85% and cpe at 0.5%. High levels of antibiotic resistance were observed, particularly to gentamicin, bacitracin, lincomycin, and tetracycline.

The study identified several AMR genes in Salmonella isolates from Kenya, including blaTEM-1, aadA1, strA, strB, catA1, dhfr1, sul1, and sul2, which confer resistance to various antibiotics such as penicillins, cephalosporins, streptomycin, chloramphenicol, trimethoprim, and sulfonamides.

The study demonstrates the use of nanopore sequencing for rapid identification of pathogens, antibiotic resistance genes, and virulence genes from simulated blood samples and positive blood cultures. It identified 39 antibiotic resistance genes and 77 virulence genes in a Klebsiella pneumoniae strain, including blaKPC-2, blaSHV-12, blaTEM-1, blaCTX-M-65, rmtB, aadA, AAC(6')-IIb, baeR, mdtABC, acrAB, oqxAB, tet, H-NS, gyrA, and parC.

The study identifies the circulation of pandemic sequence types ST131, ST648, and ST410 of extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli in Rwanda, highlighting their multidrug resistance and potential for transmission among patients, caregivers, and the community.

The study identified multiple AMR genes in Salmonella enterica serovar Albany, including ampC, str, tet, sul, nal, and cat, which confer resistance to various antibiotics such as ampicillin, streptomycin, tetracycline, sulfisoxazole, nalidixic acid, and chloramphenicol. These findings highlight the multidrug-resistant nature of S. Albany isolates in Korean broiler chickens.

The paper discusses emerging antimicrobial options for multidrug-resistant (MDR) bacterial infections, focusing on new antibiotics and their mechanisms of action against various resistant pathogens.

The study highlights the widespread presence of Campylobacter spp. in duck-related isolates and reports high resistance rates to fluoroquinolones, tetracycline, and other antibiotics. It emphasizes the need for improved surveillance and control measures to address antimicrobial resistance in Campylobacter.

The study identified florfenicol (FFC) and tetracycline (TET) resistance in Salmonella Typhimurium isolates, with some isolates showing multidrug resistance (MDR).

The study identified 64 unique antimicrobial resistance genes (ARGs) in fecal samples from clinically healthy individuals in Australia, with a focus on tetracycline, beta-lactam, and MLS B resistance genes.

The study identifies and characterizes the tigecycline resistance gene tet(X4) and a novel tet(A) variant, tet(A)-v, in Escherichia coli strains from swine farms, highlighting their role in multidrug resistance and the potential for horizontal gene transfer.

The study identified multiple antimicrobial resistance genes in S. algae strains, including genes conferring resistance to beta-lactams, aminoglycosides, quinolones, phenicols, macrolides, sulfonamides, tetracyclines, and lincosamides.

The study identifies multiple AMR genes in Mucilaginibacter sp. 21p, including genes for resistance to quinolones, aminoglycosides, beta-lactamases, sulfonamides, tetracyclines, daptomycin, arsenic, zinc, manganese, cobalt, and cadmium. These genes are part of efflux pumps and other resistance mechanisms, indicating the strain's adaptability to metal(loid) and antibiotic stressors in contaminated environments.

The study identified bla NDM-5 as a prevalent carbapenem resistance gene in Klebsiella pneumoniae isolates from goose farms in Hainan, China. Additionally, other resistance genes such as bla CTX-M, aadA, oqxAB, tet, and mcr-1 were also detected, highlighting the complex resistance profiles of these isolates.

The study demonstrates that natural transformation in biofilms enables the transfer of SCCmec-mediated methicillin resistance in Staphylococcus aureus, highlighting the role of TCS13 and TCS17 in regulating competence and transformation efficiency.

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.

The study identifies plasmids in the gut microbiomes of semi-isolated human groups, including resistance genes such as aph, tet, tem, and dfrf, which confer resistance to aminoglycosides, tetracyclines, beta-lactams, and trimethoprim, respectively.

The study identified four variants of bla CTX-M (CTX-M-15, CTX-M-55, CTX-M-64, and CTX-M-65) in extended-spectrum cephalosporin-resistant Escherichia coli from livestock and in-contact humans in Southeast Nigeria. Other AMR genes such as bla TEM-1b, aac 3-IId, qnr S1, and sul 2 were also characterized.

The study identified several AMR genes, including erm, tet, aac(6')-Ib, and vanA, in bacteria associated with aerobic vaginitis in women with recurrent pregnancy loss. These genes conferred resistance to various antibiotics such as erythromycin, tetracycline, kanamycin, gentamicin, and vancomycin.

The study identified several AMR genes in E. coli isolates from the GCC marine environment, including bla TEM-1, bla CTX-M-15, qnrS1, tet, sul, and dfr, which conferred resistance to various antibiotics such as ampicillin, cefotaxime, ceftazidime, ciprofloxacin, tetracycline, sulfamethoxazole, and trimethoprim.

The study reports the presence of tetracycline resistance in Klebsiella pneumoniae isolates from various aquatic animals, highlighting the potential risk of antimicrobial resistance in food sources.

The study identifies multiple AMR genes, including blaNDM-1, blaOXA-10, blaPER-4, aph(3')-VI, ant(2'')-Ia, ant(3')-Ia, sul1, catB8, catA1, mph(E), and tet, in a multidrug-resistant Providencia rettgeri strain. These genes contribute to resistance against various antibiotics, including carbapenems, beta-lactams, aminoglycosides, sulfonamides, chloramphenicol, macrolides, and tetracyclines.

The study identifies various antimicrobial resistance genes (ARGs) and their dissemination patterns across the global plasmidome using %GC content analysis. Key findings include the identification of genes such as sul, dfrA, qnr, CTX-M, OXA, APH(3'), ANT(3''), AAC(6'), mcr, erm, tet, and qac, which are associated with resistance to sulfonamides, trimethoprim, quinolones, beta-lactams, aminoglycosides, polymyxins, macrolides, lincosamides, streptogramins, tetracyclines, and quaternary ammonium compounds.

The study identified high levels of resistance to streptomycin, sulfisoxazole, and tetracycline among Salmonella enterica serovars isolated from Canadian turkey flocks. Key serovars included S. Uganda, S. Hadar, and S. Reading, with S. Uganda showing the highest multidrug resistance.

The study identified various AMR genes in 37 A. baumannii strains causing nosocomial meningitis, including beta-lactamases, aminoglycoside modifying enzymes, tetracycline resistance genes, macrolide resistance genes, phenicol resistance genes, sulfonamide resistance genes, rifamycin resistance genes, and antiseptic resistance genes.

The study identifies 31 antibiotic resistance genes in Aeromonas veronii strain VGP, including aac, tetA-02, tnpA-05, aacC, and aadA2-02, which confer resistance to various antibiotics such as aminoglycosides, tetracycline, and others. The strain was found to be resistant to six antibiotics: penicillin, ampicillin, oxacillin, amoxicillin, imipenem, and vancomycin.

The study identifies a multidrug-resistant E. coli ST69 strain carrying the bla(CTX-M-27) gene on a hybrid plasmid, along with various other antibiotic resistance genes such as aminoglycoside, macrolide, sulfonamide, tetracycline, and trimethoprim resistance genes.

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 various AMR genes in bacterial isolates from synanthropic rodents and shrews, including mecA, mecC, blaTEM, blaSHV, blaCTX-M, tet, sul3, sul4, and qnrA, indicating their role as reservoirs of AMR pathogens.

The study identifies Salmonella enterica serovars Takoradi, Tananarive, and Uganda from food samples in Tripura, highlighting their resistance to tetracycline and reduced susceptibility to azithromycin.

Four multidrug-resistant strains of extraintestinal pathogenic Escherichia coli (ExPEC) were identified in puppies with acute pneumonia, carrying resistance genes such as TEM, CTX-M-55, mec, tet, AAC-IId, cmlA, dfrA, and sul. These strains were classified as ST131 or ST43 and showed resistance to cephalosporins, tetracyclines, and penicillins, but were susceptible to aminoglycosides, beta-lactamase inhibitors, carbapenems, chloramphenicols, and sulfonamides.

The study identified 448 drug resistance genes in the goat-derived K. oxytoca strain KOHN1, including genes conferring resistance to beta-lactams, tetracyclines, fluoroquinolones, and fosfomycins. It also identified 146 virulence genes, including vgrG, hcp, clpV, and fimA.

The study identified antibiotic residues and antibiotic-resistant bacteria (ARB) in various water sources in Ede, Nigeria, highlighting the presence of multidrug-resistant (MDR) bacteria such as Bacillus spp. and Staphylococcus. It also assessed the ecological and health risks associated with these residues and proposed a photocatalytic material for water disinfection.

The study identifies and characterizes various antibiotic resistance genes (ARGs) involved in horizontal gene transfer, highlighting the role of genetic compatibility and ecological connectivity in the dissemination of these genes.

The study identified several AMR genes in coagulase-negative staphylococci (CoNS) that are capable of transferring antibiotic resistance to both Staphylococcus aureus and Escherichia coli. These genes include bla, aac(6')-Ib, tet(M), and qnrS1.

The study evaluated the stability and antimicrobial activity of hydrogels containing tetracycline and chlortetracycline, with and without azeloglycine. All formulations showed antimicrobial activity against Staphylococcus aureus, and azeloglycine improved the stability of tetracycline in alkaline conditions.

The study identified tetracycline, sulfonamide, and penicillin resistance in Staphylococcus aureus, Enterococcus faecium, and Streptococcus agalactiae isolates from dairy cows in Eritrea.

The study characterizes several AMR genes, including blaIPM-4, blaOXA-1, blaOXA-10, aacA4, blaOXA-101, aadA11, aadA9, qacEΔ1, sat2-aadA1, and others, highlighting their role in conferring resistance to various antibiotics in different bacterial species.

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 the tet(A)-v1 gene as a significant factor in tigecycline resistance among carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates from pediatric patients. It also characterizes various carbapenemase genes, including bla IMP-4, bla NDM-5, bla NDM-1, and bla KPC-2, contributing to carbapenem resistance.

The study identified 16 distinct AMR genes in 15 patients using NTS, highlighting the effectiveness of NTS in detecting resistance genes in ESKAPE pathogens.

The study characterizes bla NDM-9 -carrying carbapenem-resistant Escherichia coli (CREC) and identifies various antibiotic resistance genes (ARGs) contributing to multidrug resistance. It highlights the role of mobile genetic elements in the dissemination of bla NDM-9 and emphasizes the importance of surveillance for these high-risk clones.

The study describes the creation of a new filamentous phage, fd-tet, which incorporates a segment of transposon Tn10 encoding tetracycline resistance. This phage can be used as a cloning vector to produce large quantities of cloned DNA in single-stranded form.

The study investigated the effects of various antibiotics on protein synthesis and respiration in procyclic Trypanosoma brucei brucei, revealing that D-chloramphenicol, erythromycin, and tetracycline inhibit both cytoplasmic and mitochondrial protein synthesis, likely through their impact on mitochondrial respiration.

Expression of the plasmid-encoded tetracycline resistance gene (tet) in E. coli leads to reduced membrane-bound ATPase activity, affecting cell growth in minimal media.

The study demonstrates the transfer and cure of a small plasmid carrying tetracycline resistance in Staphylococcus aureus 1030 (55)TetR strains, highlighting the role of plasmids in antibiotic resistance mechanisms.