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Applied and Environmental Microbiology, September 2007, p. 5945-5948, Vol. 73, No. 18
0099-2240/07/$08.00+0     doi:10.1128/AEM.00929-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Water Buffaloes (Bubalus bubalis) Identified as an Important Reservoir of Shiga Toxin-Producing Escherichia coli in Brazil{triangledown}

Murilo G. Oliveira,1 José R. Feitosa Brito,2 Roberta R. Carvalho,1 Beatriz E. C. Guth,3 Tânia A. T. Gomes,3 Mônica A. M. Vieira,3 Maria A. M. F. Kato,4 Isabel I. Ramos,4 Tânia M. I. Vaz,4 and Kinue Irino4*

Universidade Federal de Juiz de Fora, Minas Gerais, Brazil,1 Embrapa-Gado de Leite, Minas Gerais, Brazil,2 Universidade Federal de São Paulo, Escola Paulista de Medicina, São Paulo, Brazil,3 Instituto Adolfo Lutz, São Paulo, Brazil4

Received 25 April 2007/ Accepted 8 July 2007

The presence of Shiga toxin-producing Escherichia coli (STEC) in water buffaloes is reported for the first time in South America. The prevalence of STEC ranged from 0 to 64% depending on the farm. STEC isolates exhibiting the genetic profiles stx1stx2ehxA iha saa and stx2ehxA iha saa predominated. Of the 20 distinct serotypes identified, more than 50% corresponded to serotypes associated with human diseases.


* Corresponding author. Mailing address: Instituto Adolfo Lutz, Av. Dr Arnaldo, 351, 9° andar CEP 01246-902, Bairro Cerqueira Cesar, São Paulo, Brazil. Phone: 55-11-3068-2896. Fax: 55-11-3085-3505. E-mail: kirino{at}ial.sp.gov.br

{triangledown} Published ahead of print on 20 July 2007.


Applied and Environmental Microbiology, September 2007, p. 5945-5948, Vol. 73, No. 18
0099-2240/07/$08.00+0     doi:10.1128/AEM.00929-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.