QEPAQueensland Environmental Protection Agency (Australia)
QEPAQuality Environmental Professional Associates (Colorado)
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References in periodicals archive ?
Plasmid-mediated quinolone efflux involves two types of pumps, the quinolone efflux pump (QepA) and the olaquindox (OqxAB) efflux pump.
The current work is the first Egyptian study to investigate the QepA and OqxAB efflux pumps among K.
The plasmid mediated resistant determinants, qnrA, qnrB, qnrS, and qepA were detected by PCR.
In our study, it is clearly established that qnrA and qepA had predominantly involved in lateral transfer of quinolone resistance.
Additional resistance mechanisms such as mutations in chromosomal gyrA and gyrC genes or presence of efflux pumps such as QepA, can also be responsible for the observed high resistance levels.
These are the quinolone resistance determinant (qnr) genes (gnrA, qnrB, gnrC, qnrD, and qnrS), variant aminoglycoside acetyl-transferase gene [aac(6')-Ib-cr], and efflux pumps-encoding genes (qepA and oqxAB) (Cattoir et al.
Qualitative PCR assays were used to assess the presence of nine PMQR genes [qnrA, qnrB, qmC, qnrD, qnrS, qepA, oqxA, oqxB, aac(6)-Ib-cr] in all environmental and control subsamples.
As noted previously, the N and P loads contributed by the EIA drainage network can raise concentrations downstream in the Nogoa River at Duckponds to levels that exceed the recommended water quality guidelines (QEPA 2006).
Prevalence of qnr, aac(6)-Ib-cr, qepA, and oqxAB in Escherichia coli isolates from humans, animals, and the environment.
The aac(6 )-Ib and qepA genes were amplified in a separate PCR by using primers and conditions as described (8,9).
Although fluoroquinolone resistance in Enterobacteriaceae is predominantly due to topoisomerase mutations, 3 plasmid-mediated mechanisms have been described that confer decreased susceptibility to ciprofloxacin: quinolone resistance proteins (Qnr), Aac(6')-Ib-cr, and QepA efflux (2).