Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina

Giovanna Rincon Cruz, Marcela Radice, Samantha Sennati, Lucia Pallecchi, Gian María Rossolini, Gabriel Gutkind, Jose Alejandro Di Conza

Research output: Contribution to journalArticle

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.

Original languageEnglish
Pages (from-to)924-927
Number of pages4
JournalMemorias do Instituto Oswaldo Cruz
Volume108
Issue number7
DOIs
Publication statusPublished - Nov 2013

Keywords

  • ESBL-producing enterobacteriaceae
  • Fluoroquinolone
  • PMQR

ASJC Scopus subject areas

  • Microbiology (medical)
  • Medicine(all)

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