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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,

. 2013 ; 15 (2) : 548-56.

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc13031836

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.

Citace poskytuje Crossref.org

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