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Volume 18, Number 9—September 2012

Dispatch

Rapid Detection of Carbapenemase-producing Enterobacteriaceae

Patrice NordmannComments to Author , Laurent Poirel, and Laurent Dortet
Author affiliations: Faculté de Médecine Paris Sud, Le Kremlin-Bicêtre, France (P. Nordmann, L. Poirel, L. Dortet); and Institut National de la Santé et de la Recherche Médicale, Paris, France (P. Nordmann, L. Poirel, L. Dortet)

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Figure 1

Representative results of the Carba NP test. The Carba NP test was performed with a noncarbapenemase producer (Escherichia coli producing the extended-spectrum β-lactamase CTX-M-15, upper panel) and with a carbapenemase producer (Klebsiella pneumoniae–producing New Delhi metallo-β-lactamase-1, lower panel) in a reaction medium without (left panel) and with (right panel) imipenem. Uninoculated wells are shown as controls. Photographs were taken after a 1.5-hour incubation.

Figure 1. . Representative results of the Carba NP test. The Carba NP test was performed with a noncarbapenemase producer (Escherichia coli producing the extended-spectrum β-lactamase CTX-M-15, upper panel) and with a carbapenemase producer (Klebsiella pneumoniae–producing New Delhi metallo-β-lactamase-1, lower panel) in a reaction medium without (left panel) and with (right panel) imipenem. Uninoculated wells are shown as controls. Photographs were taken after a 1.5-hour incubation.

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