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Evaluation of commercial veterinary probiotics containing enterococci for transferrable vancomycin resistance genes

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Objective Vancomycin resistant enterococci (VRE) are of significant public health concern. The identification of VRE in livestock and food has increased. The objective of this study was to determine if… Click to show full abstract

Objective Vancomycin resistant enterococci (VRE) are of significant public health concern. The identification of VRE in livestock and food has increased. The objective of this study was to determine if the transferrable vancomycin resistance genes vanA and vanB were present in probiotics marketed for use in animals that claimed to contain Enterococcus spp. Results Of the 40 products selected, Enterococcus spp. DNA was successfully extracted from 36 products. Of these 36 products with enterococcal DNA, 2 (6%) had a PCR product consistent with vanA which was confirmed by sequencing. None of the products appeared to contain vanB.

Keywords: vancomycin; transferrable vancomycin; vancomycin resistance; resistance genes; enterococci

Journal Title: BMC Research Notes
Year Published: 2020

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