Identification of efflux pump-mediated multidrug-resistant bacteria by the ethidium bromide-agar cartwheel method.
BACKGROUND/AIM:
Bacterial multidrug resistance may be mediated by the overexpression of efflux pumps. Conventional evaluation of efflux activity using efflux pump substrates, such as ethidium bromide, requires specialised instrumentation. The agar-based method, previously reported, has been modified to evaluate as many as twelve bacterial strains and has been termed the ethidium bromide-agar cartwheel method.
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