Resistance to quinolones usually results from mutations in the topoisomerase genes encoded chromosomally and also the expression of efflux pumps, loss of porines and the transfer of plasmid-mediated genes. The aim of this study was to investigate the presence of plasmid-mediated quinolones resistance genes (qnrA, qnrB, qnrC, qnrS, qepA, and aac(6')-1b-cr) in clinical isolates of
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