A multiplex real-time polymerase chain reaction (PCR) assay was developed for the detection of clinically prevalent IMP, VIM, and OXA-23 gene families. The assay was designed to work on the BD MAX open platform which is a fully automated system for all PCR processes including sample extraction to PCR resulting. A total of 107 well-characterized carbapenem resistant Enterobacteriaceae were evaluated and the results were 100% concordant with the reference test isolates. This assay will serve to complement PCR screens that detect the major carbapenemase families of NDM, KPC, and OXA-48-like.
Keywords: Carbapenem resistance; Enterobacteriaceae; Real-time PCR.
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