2005•Antimicrobial Agents and ChemotherapyOpen access

Occurrence of CTX-M-3, CTX-M-15, CTX-M-14, and CTX-M-9 Extended-Spectrum β-Lactamases in Enterobacteriaceae Clinical Isolates in Korea

Jung Min Kim, Yu-Mi Lim, Young-Sook Jeong, Sung-Yong Seol

Abstract

Among 603 isolates of Enterobacteriaceae collected between June and November 2003 from three university hospitals within Korea, bla(CTX-M-3), bla(CTX-M-15), bla(CTX-M-14), and bla(CTX-M-9) were detected in 41 isolates of species from five different genera of Enterobacteriaceae, Escherichia coli, Klebsiella pneumoniae, Citrobacter freundii, Enterobacter spp., and Serratia marcescens.

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Key concepts: Citrobacter freundii, Enterobacteriaceae, Serratia marcescens, Citrobacter, Klebsiella pneumoniae, Microbiology, Enterobacter, Serratia