Browse AMR Genes
Explore antimicrobial resistance genes from the literature
Explore antimicrobial resistance genes from the literature
chloramphenicol acetyltransferase
Overview
| Allele | Database | Papers | Drug Classes | Organisms | Countries | Years | Sequence Accession | Protein Accession |
|---|---|---|---|---|---|---|---|---|
| catI | Reslit | 23 | Chloramphenicol, Phenicol | Salmonella enterica serovar Choleraesuis +15 | Europe, Peru|Bolivia, Bolivia, Japan|United States, United States, Germany, Mexico City, Eastern Cape, South Africa, India, China, Eastern Cape Province, Republic of South Africa|South Africa, Armenia|Georgia, South Korea, Egypt, Taiyuan City, Shanxi Province, China, Atlantic salmon, South Africa|Spain|Netherlands|Switzerland|India|China|Germany|Russia|USA|Australia|Other countries, South Africa |
| 2005, 2006, 2007, 2008, 2010, 2012, 2013, 2015, 2016, 2020, 2021, 2022, 2023, 2024, 2025 |
| NC_003143|NC_004061|NC_002528|NC_004741|NC_004631|NC_004545|NC_000913|NC_004431|NC_004088|NC_003198|NC_002695|NC_002655|NC_004344|NC_004337|NC_003197 |
| - |
| CatI | Reslit | 1 | Chloramphenicol | - | Amazon River|Kalamas River|Cam River|Cambridge|Amazon River Plume | 2023 | - | - |
The genome sequence of Salmonella enterica serovar Choleraesuis, a highly invasive and resistant zoonotic pathogen.
The study identifies multiple antimicrobial resistance genes on plasmids pSC138 and pSCV50 in Salmonella enterica serovar Choleraesuis SC-B67, including blaTEM-1, blaCMY-2, tetRA, strA, aadA2, sulI, sulII, catI, cmlA, aph, sat, mef, mer, ebr, qac, and blaTEM-67. Additionally, mutations in the chromosomal genes gyrA and parC, along with the inactivation of acrR, contribute to ciprofloxacin resistance.
Multidrug-resistant commensal Escherichia coli in children, Peru and Bolivia.
The study identified multiple multidrug-resistant commensal E. coli isolates in children from Peru and Bolivia, highlighting the prevalence of resistance genes such as blaTEM, tet(A), tet(B), dfrA8, sul1, sul2, and catI.
Population structure and resistance genes in antibiotic-resistant bacteria from a remote community with minimal antibiotic exposure.
The study identified various acquired antibiotic resistance genes in commensal E. coli isolates from a remote community with minimal antibiotic exposure, including blaTEM, catI, cmlA6, tet(A), tet(B), dfrA1, dfrA7, dfrA8, dfrA17, sul1, sul2, aphA1, aadA1, aadA2, aadA5, aadB, and sat-1. These genes were found to be similar to those seen in antibiotic-exposed settings, indicating the dissemination of resistant bacteria and resistance genes from such environments.
Complete DNA sequence and analysis of the transferable multiple-drug resistance plasmids (R Plasmids) from Photobacterium damselae subsp. piscicida isolates collected in Japan and the United States.
The study characterizes multiple-drug resistance plasmids from Photobacterium damselae subsp. piscicida, identifying genes conferring resistance to kanamycin, chloramphenicol, tetracycline, sulfonamide, and trimethoprim.
Genome sequence of adherent-invasive Escherichia coli and comparative genomic analysis with other E. coli pathotypes.
The study identifies several antimicrobial resistance genes in the plasmid of the adherent-invasive E. coli strain NRG857c, including blaTEM, tetC, tetA, catI, dhfrI, sulII, and sulI, which confer resistance to ampicillin, tetracycline, chloramphenicol, and sulfonamides.
Comparison of the prevalences and antimicrobial resistances of Escherichia coli isolates from different retail meats in the United States, 2002 to 2008.
The study identified several AMR genes and mutations in E. coli isolates from retail meats, including bla CMY, cmlA, flo, catI, and mutations in gyrA and parC associated with fluoroquinolone resistance.
The structural basis for substrate versatility of chloramphenicol acetyltransferase CATI.
The study characterizes the structure and function of chloramphenicol acetyltransferase CATI, demonstrating its ability to inactivate chloramphenicol and bind fusidic acid, providing insights into its substrate versatility.
DNA microarray for genotyping antibiotic resistance determinants in Acinetobacter baumannii clinical isolates.
The study developed a DNA microarray for genotyping antibiotic resistance determinants in Acinetobacter baumannii clinical isolates, identifying numerous resistance genes and mutations associated with carbapenem, aminoglycoside, fluoroquinolone, and other antibiotic resistances.
Characterization of Escherichia coli Isolates from an Urban Lake Receiving Water from a Wastewater Treatment Plant in Mexico City: Fecal Pollution and Antibiotic Resistance.
The study identified the catI gene as a key determinant of chloramphenicol resistance in E. coli isolates from an urban lake receiving wastewater, highlighting the role of sediments and wastewater treatment plants in the spread of antibiotic resistance.
Identification and antimicrobial resistance prevalence of pathogenic Escherichia coli strains from treated wastewater effluents in Eastern Cape, South Africa.
The study identified several AMR genes in E. coli isolates from wastewater effluents, including strA, aadA, catI, cmlA1, blaTEM, and various tetracycline resistance genes (tetA, tetB, tetC, tetD, tetK, tetM). These genes conferred resistance to multiple antibiotics such as streptomycin, gentamicin, chloramphenicol, ampicillin, and tetracycline.
Characterization of Discriminatory Antimicrobial Resistance Genes in Aquatic Environments Using Machine Learning
The study identifies discriminatory antibiotic resistance genes (ARGs) using an extremely randomized tree (ERT) algorithm, highlighting genes like sul1, tet(W), and ermB as significant markers for differentiating resistomes across various aquatic environments.
Genomic profiling of antimicrobial resistance genes in clinical isolates of Salmonella Typhi from patients infected with Typhoid fever in India.
The study identified several AMR genes and mutations in Salmonella Typhi isolates, including beta-lactamases (blaTEM-1B, blaTEM-116), chloramphenicol resistance gene (catA1), trimethoprim resistance genes (dfrA7, dfrA15), sulfamethoxazole resistance genes (sul1, sul2), and fluoroquinolone resistance mutations in gyrA, gyrB, parC, and parE genes.
Antibiotic Resistance Patterns of Pseudomonas spp. Isolated From Raw Milk Revealed by Whole Genome Sequencing.
The study identified various AMR genes and mutations in Pseudomonas spp. isolated from raw milk, highlighting the prevalence of multidrug-resistant strains and the presence of resistance determinants such as beta-lactamases, aminoglycoside-modifying enzymes, and efflux pumps.
Occurrence, identification, and antibiogram signatures of selected Enterobacteriaceae from Tsomo and Tyhume rivers in the Eastern Cape Province, Republic of South Africa.
The study identified various beta-lactamase genes (bla TEM, bla CTX-M, bla SHV, bla OXA-1-like, bla PER, bla VIM, bla IMP, bla KPC, bla GES, bla OXA-48-like), plasmid-mediated AmpC beta-lactamase genes (bla EBC, bla ACC, bla FOX, bla CIT), tetracycline resistance genes (tetA, tetB, tetD, tetM), chloramphenicol resistance gene (catII), and sulfonamide resistance gene (sulII) in Enterobacteriaceae isolates from Tsomo and Tyhume rivers.
Extended-Spectrum β-Lactamases in Human Isolates of Multidrug-Resistant Non-typhoidal Salmonella enterica.
The study identified several β-lactamase genes, including bla CTX-M-5, bla OXA-1, bla CTX-M-15, bla CTX-M-3, and bla TEM-1, which contribute to extended-spectrum β-lactamase (ESBL) production in multidrug-resistant non-typhoidal Salmonella enterica isolates. Additionally, a mutation in the gyrA gene (D87N) was linked to quinolone resistance.
Genomic characterization of nine Clostridioides difficile strains isolated from Korean patients with Clostridioides difficile infection.
Nine Clostridioides difficile strains isolated from Korean patients were analyzed, revealing diverse antibiotic resistance genes including those conferring resistance to erythromycin, clindamycin, glycopeptides, fluoroquinolones, aminoglycosides, and tetracyclines.
Deciphering Multidrug-Resistant Acinetobacter baumannii from a Pediatric Cancer Hospital in Egypt.
The study identified various AMR genes and mutations in multidrug-resistant Acinetobacter baumannii isolates from a pediatric cancer hospital in Egypt, highlighting the presence of bla NDM, bla OXA-23-like, bla OXA-51-like, and other resistance genes, along with mutations in pmrA and lptF contributing to colistin resistance.
The resistomes of Mycobacteroides abscessus complex and their possible acquisition from horizontal gene transfer.
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.
Epidemiological characteristics, virulence potential, antimicrobial resistance profiles, and phylogenetic analysis of Aeromonas caviae isolated from extra-intestinal infections.
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.
Concordance between Genotypic and Phenotypic Drug-Resistant Profiles of Shigella Isolates from Taiyuan City, Shanxi Province, China, 2005 to 2016.
The study identified various AMR genes and mutations in Shigella isolates from Taiyuan City, including beta-lactamases (blaTEM-1, blaOXA-1, blaCTX-M-14, blaCTX-M-55), quinolone resistance genes (qnrS1), aminoglycoside resistance genes (aac(3)-IId), tetracycline resistance genes (tetA, tetB), macrolide resistance genes (mphA, ermB), and chloramphenicol resistance gene (catI). Mutations in gyrA and parC were associated with fluoroquinolone resistance.
ARGs Detection in Listeria Monocytogenes Strains Isolated from the Atlantic Salmon (Salmo salar) Food Industry: A Retrospective Study.
The study identified various AMR genes in L. monocytogenes strains from Atlantic salmon, including tetracycline resistance genes (tetC, tetD, tetK, tetL, tetS), aminoglycoside resistance genes (aadA, strA, aacC2, aphA1, aphA2), macrolide resistance genes (cmlA1, catI, catII), and oxazolidinone resistance genes (cfr, optrA, poxtA).
Decoding the genetic structure of conjugative plasmids in international clones of Klebsiella pneumoniae: A deep dive into blaKPC, blaNDM, blaOXA-48, and blaGES genes.
The study characterizes the genetic structure of plasmids harboring major carbapenemase genes (blaKPC, blaNDM, blaOXA-48, and blaGES) in Klebsiella pneumoniae, identifying the most prevalent allele types and their co-occurrence with other resistance genes.
Antibiotic resistance and virulence profiles of Proteus mirabilis isolated from broiler chickens at abattoir in South Africa.
The study identified multiple antibiotic resistance genes in Proteus mirabilis isolates from broiler chickens, including bla CTX-M, bla TEM, qnrA, qnrD, mcr-1, catI, catII, and ampC, highlighting the presence of multidrug-resistant strains and extended-spectrum beta-lactamase-producing isolates.
Genomic insights into novel ST7947 carbapenem-resistant hypervirulent Klebsiella pneumoniae: a threat from an Indian hospital setting.
The study identifies several AMR genes and mutations in the novel ST7947 carbapenem-resistant hypervirulent Klebsiella pneumoniae isolate BB-7, including bla CTX-M-15, bla SHV-28, bla TEM-1, bla OXA-1, bla OXA-232, armA, aadA2, baeR, tetD, adeF, emrR, AAC(6')-Ib-cr6, catI, sul1, mphE, msrE, dfrA1, oqxA, and fosA, as well as mutations in GyrA, ParC, OmpA, OmpK37, and ArnT that confer resistance to multiple antibiotics.
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