Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina
oleh: Giovanna Rincon Cruz, Marcela Radice, Samantha Sennati, Lucia Pallecchi, Gian Maria Rossolini, Gabriel Gutkind, Jose Alejandro Di Conza
| Format: | Article |
|---|---|
| Diterbitkan: | Fundação Oswaldo Cruz (FIOCRUZ) 2013-11-01 |
Deskripsi
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.