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Antimicrob Agents Chemother. 2013 May;57(5):2397-400. doi: 10.1128/AAC.02108-12. Epub 2013 Mar 4.

Coproduction of 16S rRNA methyltransferase RmtD or RmtG with KPC-2 and CTX-M group extended-spectrum β-lactamases in Klebsiella pneumoniae.

Author information

1
Enteric Diseases and Infections by Special Pathogens Laboratory, Instituto Adolfo Lutz, São Paulo, Brazil.

Abstract

Eight Klebsiella pneumoniae clinical strains with high-level aminoglycoside resistance were collected from eight hospitals in São Paulo State, Brazil, in 2010 and 2011. Three of them produced an RmtD group 16S rRNA methyltransferase, RmtD1 or RmtD2. Five strains were found to produce a novel 16S rRNA methyltransferase, designated RmtG, which shared 57 to 58% amino acid identity with RmtD1 and RmtD2. Seven strains coproduced KPC-2 with or without various CTX-M group extended-spectrum β-lactamases, while the remaining strain coproduced CTX-M-2.

PMID:
23459483
PMCID:
PMC3632927
DOI:
10.1128/AAC.02108-12
[Indexed for MEDLINE]
Free PMC Article

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