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Long Polar Fimbriae Contribute to Colonization by Escherichia Coli O157:H7 in Vivo

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Journal Infect Immun
Date 2004 Sep 24
PMID 15385526
Citations 47
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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.

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