In Vivo Selection of Fluoroquinolone-Resistant Escherichia coli Isolates Expressing Plasmid-Mediated Quinolone Resistance and Expanded-Spectrum β-Lactamase

作者: Laurent Poirel , Johann D. D. Pitout , Lucy Calvo , Jose-Manuel Rodriguez-Martinez , Deirdre Church

DOI: 10.1128/AAC.50.4.1525-1527.2006

关键词:

摘要: A ciprofloxacin-resistant Escherichia coli isolate, isolate 1B, was obtained from a urinary specimen of Canadian patient treated with norfloxacin for infection due to ciprofloxacin-susceptible 1A. Both isolates harbored plasmid-encoded sul1 -type integron qnrA1 and bla VEB-1 genes. Isolate 1B had amino acid substitutions in gyrase topoisomerase.

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