Plasmid-Mediated Quinolone Resistance Genes, aac(6′)-Ib-cr, qnrS, qnrB, and qnrA, in Urinary Isolates of Escherichia coli and Klebsiella pneumoniae at a Teaching Hospital, Thailand

Abstract excerpt

A total of 121 Escherichia coli (47 extended-spectrum β-lactamase [ESBL] and 74 non-ESBL producers) and 75 Klebsiella pneumoniae isolates (49 ESBL and 26 non-ESBL producers) were collected from urine samples between October 2010 and April 2011 at a university hospital and assessed for the presence of plasmid-mediated quinolone resistance (PMQR) genes. Twenty-seven E. coli (22.3%) and 49 K. pneumoniae (65.3%)...

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