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Antimicrobial Agents and Chemotherapy, February 2005, p. 776-778, Vol. 49, No. 2
0066-4804/05/$08.00+0     doi:10.1128/AAC.49.2.776-778.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

Detection of KPC Carbapenem-Hydrolyzing Enzymes in Enterobacter spp. from Brooklyn, New York

Division of Infectious Diseases,¹ Department of Microbiology, State University of New York—Downstate, Brooklyn, New York²

Received 17 May 2004/ Returned for modification 10 August 2004/ Accepted 3 October 2004

Enterobacter spp. are rarely resistant to carbapenems. In this report, one Enterobacter sp. isolate possessed bla_KPC-3 and two possessed bla_KPC-2. For all three strains, the imipenem MICs were dependent on the inoculum and testing method; two were reported by the clinical laboratories to be carbapenem susceptible. Improved detection methods will be necessary to identify these enzymes.

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