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Isolation of a beta-lactamase-producing, aminoglycoside-resistant strain of Enterococcus faecium
P E Coudron1, S M Markowitz, E S Wong
1Department of Pathology, McGuire Veterans Affairs Medical Center, Richmond, Virginia 23249.
Antimicrobial Agents and Chemotherapy
|May 1, 1992
Abstract:
Beta-Lactamase-producing, aminoglycoside-resistant strains of Enterococcus faecalis have been isolated from different geographic areas and are endemic at our institution. We report the isolation of a beta-lactamase-producing, aminoglycoside-resistant strain of E. faecium. The beta-lactamase was plasmid mediated and transferable with high frequency into a plasmid-free E. faecalis recipient strain. MICs suggested that the E. faecium strain also contained intrinsic (chromosomal) resistance to penicillins.