Characterization of Glycopeptide-Resistant Enterococcus faecium (GRE) from Broilers and Pigs in Denmark: Genetic Evidence that Persistence of GRE in Pig Herds Is Associated with Coselection by Resistance to Macrolides
- 1 July 2000
- journal article
- research article
- Published by American Society for Microbiology in Journal of Clinical Microbiology
- Vol. 38 (7) , 2774-2777
- https://doi.org/10.1128/jcm.38.7.2774-2777.2000
Abstract
Glycopeptide-resistant enterococci (GRE) from broilers and pigs were characterized to investigate the background for the persistence of GRE in pig herds. All porcine isolates belonged to closely related pulsed-field gel electrophoretic (PFGE) types, with theermB and vanA genes located on the same transferable genetic element. Broiler isolates belonged to different PFGE types. The persistence of GRE in Danish pig herds after the ban of glycopeptides may be explained by the genetic link betweenermB and vanA and coselection by use of macrolides for treatment and growth promotion.Keywords
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