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Evaluation of clonality in enterococci isolated in Brazil carrying Tn 1546-like elements associated with vanA plasmids.
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- معلومة اضافية
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- نبذة مختصرة :
Fifty-one vancomycin-resistant enterococci samples isolated from different geographic regions in Brazil were studied. All the isolates harboured the vanA gene as demonstrated by PCR analysis, and in a majority of strains the gene was associated with a transferable plasmid of 70 kb. A single variant of the prototype Tn 1546 associated with common transferable vanA-containing plasmids has spread among the enterococcal strains circulating in Brazil. The VanA element integrity in these enterococci strains and the different pulsed-field gel electrophoresis patterns suggest horizontal transmission of the vancomycin resistance transposon in Brazilian strains. [ABSTRACT FROM AUTHOR]
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