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.

Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina / Cruz, Giovana Rincon; Radice, Marcela; Sennati, Samantha; Pallecchi, Lucia; Rossolini, Gian María; Gutkind, Gabriel; Conza, Jose Alejandro Di. - In: MEMÓRIAS DO INSTITUTO OSWALDO CRUZ. - ISSN 1678-8060. - ELETTRONICO. - 108:(2013), pp. 924-927. [10.1590/S0074-02762013005000002]

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

ROSSOLINI, GIAN MARIA;
2013

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.
2013
108
924
927
Cruz, Giovana Rincon; Radice, Marcela; Sennati, Samantha; Pallecchi, Lucia; Rossolini, Gian María; Gutkind, Gabriel; Conza, Jose Alejandro Di
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1085782
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