Article
The AmpC phenotype in Norwegian clinical isolates of Escherichia coli is associated with an acquired ISEcp1-like ampC element or hyperproduction of the endogenous AmpC.
The Journal of antimicrobial chemotherapy - 1 Oct 2008
Haldorsen Bjørg, Aasnaes Bettina, Dahl Kristin H, Hanssen Anne-Merethe, Simonsen Gunnar S, Walsh Timothy R, Sundsfjord Arnfinn, Lundblad Eirik W
Abstract excerpt
OBJECTIVES: The aim of the study was to examine resistance mechanisms associated with an AmpC phenotype in Norwegian clinical isolates of Escherichia coli. METHODS: Clinical E. coli isolates (n = 106) with reduced susceptibility to third-generation cephalosporins without clavulanic acid synergy were collected from 12 Norwegian laboratories from 2003 to 2005. Twenty-two isolates with an AmpC phenotype were...
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