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. Author manuscript; available in PMC: 2011 Feb 4.
Published in final edited form as: Transpl Infect Dis. 2009 Feb 18;11(3):257–265. doi: 10.1111/j.1399-3062.2009.00374.x

Fig. 1.

Fig. 1

Modified Hodge tests of K. pneumoniae isolates from patient 1. A 10-μg imipenem disk was placed in the center of a MHA plate shortly after being inoculated with the carbapenem-sensitive strain E. coli ATCC 25922, and isolates Kpn1014 and Kpn1016 were struck radially from the disk to the plate edge. Kpn1014 is blaKPC-2-negative and shows a concentric zone of growth inhibition at its intersection with ATCC 25922, whereas invagination of ATCC 25922 growth into the imipenem zone of inhibition adjacent to Kpn1016 is indicative of carbapenemase production.