Evaluation of clonality in enterococci isolated in Brazil carrying Tn1546-like elements associated with vanA plasmids

FEMS Microbiology Letters
Izabel Cristina Vanzato PalazzoAna Lúcia C Darini

Abstract

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 Tn1546 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.

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Citations

Jan 9, 2008·Antimicrobial Agents and Chemotherapy·Carla NovaisLuísa V Peixe
Jul 12, 2011·The Journal of Hospital Infection·I C V PalazzoA L da Costa Darini
Jan 15, 2015·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·Thaís Panhan MerloIlana Lopes Baratella Cunha Camargo
Sep 11, 2012·Diagnostic Microbiology and Infectious Disease·Leila Priscilla Pinheiro da SilvaAna Lúcia da Costa Darini
Dec 13, 2006·Memórias do Instituto Oswaldo Cruz·Marinalda Anselmo VilelaMárcia Maria Camargo de Morais

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