Long Polar Fimbriae Contribute to Colonization by Escherichia coli O157:H7 In Vivo
Open Access
- 1 October 2004
- journal article
- Published by American Society for Microbiology in Infection and Immunity
- Vol. 72 (10) , 6168-6171
- https://doi.org/10.1128/iai.72.10.6168-6171.2004
Abstract
The contribution of long polar fimbriae to intestinal colonization by Escherichia coli O157:H7 was evaluated in sheep, conventional pigs, and gnotobiotic piglets. E. coli O157:H7 strains with lpfA1 and lpfA2 mutated were recovered in significantly lower numbers and caused fewer attachment and effacement lesions than the parent strain.Keywords
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