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Vancomycin-resistant enterococci in rooks (Corvus frugilegus) wintering throughout Europe
V. Oravcova, A. Ghosh, L. Zurek, J. Bardon, S. Guenther, A. Cizek, I. Literak,
Language English Country England, Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Anti-Bacterial Agents pharmacology MeSH
- Bacterial Proteins genetics MeSH
- Enterococcus drug effects genetics isolation & purification physiology MeSH
- Feces microbiology MeSH
- Carbon-Oxygen Ligases genetics MeSH
- Microbial Sensitivity Tests MeSH
- Multilocus Sequence Typing MeSH
- Gene Transfer, Horizontal genetics MeSH
- Electrophoresis, Gel, Pulsed-Field MeSH
- Vancomycin Resistance * genetics MeSH
- Cluster Analysis MeSH
- Vancomycin pharmacology MeSH
- Crows genetics microbiology MeSH
- Disease Reservoirs microbiology MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Europe MeSH
This study's aims were to assess the prevalence of, and to characterize, vancomycin-resistant enterococci (VRE) from rooks (Corvus frugilegus) wintering in Europe during 2010/2011. Faeces samples were cultivated selectively for VRE and characterized. Pulsed-field gel electrophoresis and multilocus sequence typing (MLST) were used to examine epidemiologic relationships of vanA-containing VRE. The vanA-carrying VRE were tested in vitro for mobility of vancomycin resistance traits. VRE were found in 62 (6%) of 1073 rook samples. Enterococcal species diversity comprised Enterococcus gallinarum (48 isolates), followed by E. faecium (9) and E. faecalis (5). Eight VRE harboured the vanA and ermB genes. Seven vanA-carrying VRE originated from the Czech Republic and one from Germany. All vanA-carrying VRE were identified as E. faecium. Based on MLST analysis, six vanA-positive isolates were grouped as ST92 type, one isolate belonged to ST121, and the remaining one was described as a novel type ST671. Seven out of eight isolates were able to transfer the vancomycin resistance trait via filter mating with a transfer rate of 8.95 ± 3.25 × 10(-7) transconjugants per donor. In conclusion, wintering rooks in some European countries may disseminate clinically important enterococci and pose a risk for environmental contamination.
References provided by Crossref.org
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- $a This study's aims were to assess the prevalence of, and to characterize, vancomycin-resistant enterococci (VRE) from rooks (Corvus frugilegus) wintering in Europe during 2010/2011. Faeces samples were cultivated selectively for VRE and characterized. Pulsed-field gel electrophoresis and multilocus sequence typing (MLST) were used to examine epidemiologic relationships of vanA-containing VRE. The vanA-carrying VRE were tested in vitro for mobility of vancomycin resistance traits. VRE were found in 62 (6%) of 1073 rook samples. Enterococcal species diversity comprised Enterococcus gallinarum (48 isolates), followed by E. faecium (9) and E. faecalis (5). Eight VRE harboured the vanA and ermB genes. Seven vanA-carrying VRE originated from the Czech Republic and one from Germany. All vanA-carrying VRE were identified as E. faecium. Based on MLST analysis, six vanA-positive isolates were grouped as ST92 type, one isolate belonged to ST121, and the remaining one was described as a novel type ST671. Seven out of eight isolates were able to transfer the vancomycin resistance trait via filter mating with a transfer rate of 8.95 ± 3.25 × 10(-7) transconjugants per donor. In conclusion, wintering rooks in some European countries may disseminate clinically important enterococci and pose a risk for environmental contamination.
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