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DHA-1-producing Klebsiella pneumoniae in a teaching hospital in the Czech Republic

J. Empel, J. Hrabák, A. Kozińska, T. Bergerová, P. Urbášková, I. Kern-Zdanowicz, M. Gniadkowski,

. 2010 ; 16 (4) : 291-295. [pub] 20100712

Language English Country United States

Document type Journal Article, Research Support, Non-U.S. Gov't

E-resources Online Full text

NLK ProQuest Central from 2000-06-01 to 2018-12-31
Health & Medicine (ProQuest) from 2000-06-01 to 2018-12-31
Public Health Database (ProQuest) from 2000-06-01 to 2018-12-31

Thirty-eight AmpC-producing Klebsiella pneumoniae isolates identified from January to October 2006 in a large teaching hospital in the Czech Republic were analyzed. The AmpC cephalosporinase was identified as DHA-1, encoded by a plasmid-located complex class 1 integron, previously observed in a K. pneumoniae isolate from the Parisian region. The DHA-1 expression was inducible, and although in two isolates with higher resistance, the induction effect was masked at the phenotypic level. All of the isolates belonged to the international K. pneumoniae clone sequence type 11, split into two disseminated pulsed-field gel electrophoresis types. This is the first report on enterobacteriaceae with acquired AmpCs in the Czech Republic and possibly the first description of organisms with DHA-1 in the Central and Eastern Europe.

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