title: Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina.
abstract: High quinolone resistance rates were observed among oxyiminocephalosporin-resistant enterobacteria. In the present study, we searched for the prevalence of plasmid-mediated quinolone resistance (PMQR) genes within the 55 oxyiminocephalosporin-resistant enterobacteria collected in a previous survey. The main PMQR determinants were aac(6')-Ib-cr and qnrB, which had prevalence rates of 42.4% and 33.3%, respectively. The aac(6')-Ib-cr gene was more frequently found in CTX-M-15-producing isolates, while qnrB was homogeneously distributed among all CTX-M producers.
authors.forename: Giovana Rincon
authors.initials: GR
authors.lastname: Cruz
authors.forename: Marcela
authors.initials: M
authors.lastname: Radice
authors.forename: Samantha
authors.initials: S
authors.lastname: Sennati
authors.forename: Lucia
authors.initials: L
authors.lastname: Pallecchi
authors.forename: Gian María
authors.initials: GM
authors.lastname: Rossolini
authors.forename: Gabriel
authors.initials: G
authors.lastname: Gutkind
authors.forename: Jose Alejandro Di
authors.initials: JA
authors.lastname: Conza
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001118:Argentina; D018550:Cephalosporin Resistance; D004755:Enterobacteriaceae / Q000145:classification / Q000187:drug effects*; D029968:Escherichia coli Proteins / Q000235:genetics; D006801:Humans; D008826:Microbial Sensitivity Tests; D015995:Prevalence; D015363:Quinolones / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D029968:Escherichia coli Proteins; D015363:Quinolones
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