Article
Two chromosomally located qnrB variants, qnrB6 and the new qnrB16, in Citrobacter spp. isolates causing bacteraemia.
Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases - 1 Dec 2009
Sanchez-Cespedes J, Marti S, Soto S M, Alba V, Melción C, Almela M, Marco F, Vila J
Abstract excerpt
The objective of this study was to determine the prevalence of the plasmid-borne quinolone resistance genes qnrA, qnrB and qnrS in a collection of Enterobacteriaceae causing bacteraemia. The presence of the three genes was tested for using multiplex PCR in 306 clinical isolates. Plasmid analysis was performed using I-CeuI and S1 nuclease digestion and hybridization with specific probes for the qnr and 23S rRNA...
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