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Journal of Clinical Microbiology, November 2006, p. 4214-4217, Vol. 44, No. 11
0095-1137/06/$08.00+0     doi:10.1128/JCM.01022-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Characterization of Atypical Enteropathogenic Escherichia coli Strains That Express Typical Localized Adherence in HeLa Cells in the Absence of the Bundle-Forming Pilus{triangledown}

Rodrigo Tavanelli Hernandes,1 Mônica Aparecida Midolli Vieira,1 Sylvia Mendes Carneiro,2 Fábia Andréia Salvador,1 and Tânia Aparecida Tardelli Gomes1*

Departamento de Microbiologia, Imunologia e Parasitologia da Universidade Federal de São Paulo, Escola Paulista de Medicina, São Paulo,1 Laboratório de Biologia Celular do Instituto Butantan, São Paulo, São Paulo, Brazil2

Received 16 May 2006/ Returned for modification 21 July 2006/ Accepted 28 August 2006

The characterization of nine atypical enteropathogenic Escherichia coli strains expressing localized adherence in HeLa cells in the absence of the bundle-forming pilus revealed a diversity of serotypes, plasmids, and virulence genes. Although the strains lacked known E. coli adhesin genes, the identification of new adhesins could contribute to the characterization of similar enteropathogenic E. coli isolates.

* Corresponding author. Mailing address: Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de São Paulo, Escola Paulista de Medicina, Rua Botucatu, 862, 3o. Andar, Vila Clementino, São Paulo, São Paulo, CEP 04023-062, Brazil. Phone: 55-11-5576 4537. Fax: 55-11-5572 4711. E-mail: tatgomes{at}ecb.epm.br.

{triangledown} Published ahead of print on 6 September 2006.

Journal of Clinical Microbiology, November 2006, p. 4214-4217, Vol. 44, No. 11
0095-1137/06/$08.00+0     doi:10.1128/JCM.01022-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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