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  • oqxAB encoding a multidrug efflux pump in human clinical isolates of Enterobacteriaceae.

oqxAB encoding a multidrug efflux pump in human clinical isolates of Enterobacteriaceae.

Antimicrobial agents and chemotherapy (2009-06-17)
Hong Bin Kim, Minghua Wang, Chi Hye Park, Eui-Chong Kim, George A Jacoby, David C Hooper
ABSTRACT

The genes for multidrug efflux pump OqxAB, which is active on fluoroquinolones, were found in human clinical isolates on a plasmid in Escherichia coli and on the chromosome of Klebsiella pneumoniae. IS26-like sequences flanked the plasmid-mediated oqxAB genes, suggesting that they had been mobilized as part of a composite transposon.

MATERIALS
Product Number
Brand
Product Description

Supelco
Ciprofloxacin, VETRANAL®, analytical standard
Sigma-Aldrich
Ciprofloxacin, ≥98% (HPLC)