Abstract:Plasmid-mediated quinolone resistance (PMQR) involves genes for proteins that protect the quinolone targets, an enzyme that inactivates certain quinolones as well as aminoglycosides, and pumps that efflux quinolones. Quinolone susceptibility is reduced by these mechanisms but not to the level of clinical resistance unless chromosomal mutations are also present. PCR primers and conditions for PMQR gene detection are described as well as how to establish a plasmid location.
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