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. 2007 Feb;45(2):620-6.
doi: 10.1128/JCM.01917-06. Epub 2006 Nov 15.

CTX-M beta-lactamase-producing Escherichia coli in French hospitals: prevalence, molecular epidemiology, and risk factors

Jean-Philippe Lavigne  1 , Hélène Marchandin, Julien Delmas, Jérôme Moreau, Nicole Bouziges, Evelyne Lecaillon, Laurent Cavalie, Hélène Jean-Pierre, Richard Bonnet, Albert Sotto
Affiliations

CTX-M beta-lactamase-producing Escherichia coli in French hospitals: prevalence, molecular epidemiology, and risk factors

Jean-Philippe Lavigne et al. J Clin Microbiol. 2007 Feb.

Abstract

In 2004, 65 CTX-M-producing Escherichia coli isolates were collected from infected patients in four French hospitals. The blaCTX-M-15 genes were predominant. Pulsed-field gel electrophoresis highlighted a clonal propagation of CTX-M-15-producing strains belonging to phylogenetic group B2, notably in the community. The main risk factors for acquiring these isolates were urinary tract infections or the presence of a urinary catheter in diabetic or renal failure patients.

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Figures

FIG. 1.
FIG. 1.
Dendrogram of XbaI-digested genomic DNAs and phylogenetic groups of all CTX-M-15-producing E. coli isolates from four hospitals in France. Strains were clustered with the unweighted-pair group method using average linkages. The scale indicates the percentage of genetic similarity.
See this image and copyright information in PMC

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