Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina
AUTOR(ES)
Cruz, Giovanna Rincon, Radice, Marcela, Sennati, Samantha, Pallecchi, Lucia, Rossolini, Gian María, Gutkind, Gabriel, Conza, Jose Alejandro Di
FONTE
Mem. Inst. Oswaldo Cruz
DATA DE PUBLICAÇÃO
2013-11
RESUMO
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-crgene was more frequently found in CTX-M-15-producing isolates, while qnrB was homogeneously distributed among all CTX-M producers.
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