Characterization of extended-spectrum beta-lactamases, antimicrobial resistance genes, and plasmid content in Escherichia coli isolates from different sources in Rio de Janeiro, Brazil.
2012
Abstract We analyse the diversity of extended-spectrum beta-lactamases (ESBLs), antibiotic resistance genes, and plasmid content among Escherichia coli from a community and a hospital setting in Rio de Janeiro, Brazil. ESBL producers (CTX-M-2, CTX-M-9, CTX-M-59) belonged to different phylogroups/sequence types, and bla CTX-M were identified in IncA/C plasmids, reinforcing the possible intraplasmid evolution of bla CTX-M-59 from bla CTX-M-2 and the implication of IncA/C on bla CTX-M spread.
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