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Merck

Rapid identification of carbapenemase types in Enterobacteriaceae and Pseudomonas spp. by using a biochemical test.

Antimicrobial agents and chemotherapy (2012-10-17)
Laurent Dortet, Laurent Poirel, Patrice Nordmann
RESUMEN

A biochemical test (Carba NP test II) was developed to identify carbapenemase production in Enterobacteriaceae and Pseudomonas spp. and to discriminate between the different types of carbapenemases (classes A, B, and D). It is based on the detection of the acidification resulting from imipenem hydrolysis, coupled with tazobactam and EDTA as inhibitors. This is an easy and reliable technique (100% sensitivity and specificity) for detection of not only carbapenemase activity but also carbapenemase types in Enterobacteriaceae and Pseudomonas aeruginosa.

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