Browse AMR Genes
Explore antimicrobial resistance genes from the literature
Explore antimicrobial resistance genes from the literature
Beta-lactamase
Overview
Genomic Characterization of Extended-Spectrum Cephalosporin-Resistant Salmonella enterica in the Colombian Poultry Chain.
The study identifies bla CMY−2, bla CTX−M−165, bla SHV−12, and bla SHV−129 as the most prevalent ESBL/pAmpC genes conferring resistance to extended-spectrum cephalosporins in Salmonella enterica isolated from the Colombian poultry chain.
An Outbreak of Carbapenem-Resistant and Hypervirulent Klebsiella pneumoniae in an Intensive Care Unit of a Major Teaching Hospital in Wenzhou, China.
The study identified carbapenem-resistant and hypervirulent Klebsiella pneumoniae isolates carrying bla KPC−2, aac(3')-Ia, aac(6')-Ib, ANT(3')-Ia, rmtB, rmtC, qnrB, qnrS, oqxA, bla SHV−11, bla CTX−M−2 group, bla CTX−M−9 group, bla TEM−1, bla CMY−2, and bla DHA genes, contributing to multidrug resistance.
Serotype Diversity and Antimicrobial Resistance Profile of Salmonella enterica Isolates From Freshwater Turtles Sold for Human Consumption in Wet Markets in Hong Kong.
The study identifies the multidrug-resistance gene cfr for the first time in Salmonella, highlighting the expansion of the cfr reservoir and potential horizontal spread to other bacteria. It also detects various AMR genes such as floR, sul2, aph(3')-Ia, aph(3”)-Ib, aph(6)-Id, aac(6')-Ib-cr, bla CMY−2, bla TEM−1, qnrS1, erm(B), mph(E), msr(E), qepA8, arr-3, sul1, dfrA12, dfrA27, tet(A), tet(D), catB3, aadA16, aac(3)-IV, aph(4)-Ia, aadA2, and fosA7.
Characterization of extended-spectrum cephalosporins and fluoroquinolone resistance of a Salmonella enterica serovar Thompson isolate from ready-to-eat pork product in China.
The study identifies the presence of bla CMY−2, qnrS1, and qepA8 genes on an IncA/C plasmid in a multidrug-resistant Salmonella enterica serovar Thompson isolate from a ready-to-eat pork product in China, highlighting the role of conjugative plasmids in the spread of extended-spectrum cephalosporin and fluoroquinolone resistance.
Genetic characterization of third- or fourth-generation cephalosporin-resistant avian pathogenic Escherichia coli isolated from broilers.
The study identified various beta-lactamase genes, including bla CTX-M-15, bla TEM-1, bla CTX-M-1, bla CTX-M-14, bla SHV-12, bla CTX-M-27, bla OXA-1, bla TEM-135, and bla CMY-2, in third- or fourth-generation cephalosporin-resistant avian pathogenic E. coli isolates from Korean broiler operations.
Genomic epidemiology of ceftriaxone-resistant non-typhoidal Salmonella enterica strain in China.
The study identified several CTX-M-type extended-spectrum beta-lactamase (ESBL) genes, including bla CTX-M−55, bla CTX-M−65, bla CTX-M−14, bla CTX-M−125, bla CTX-M−130, and bla CTX-M−27, as well as the AmpC beta-lactamase gene bla CMY−2, which are associated with ceftriaxone resistance in Salmonella enterica strains.
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