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  • Title: Cloning of the genes that control formation of the fimbrial colonization factor antigen III (CFA/III) from an enterotoxigenic Escherichia coli.
    Author: Shinagawa H, Taniguchi T, Yamaguchi O, Yamamoto K, Honda T.
    Journal: Microbiol Immunol; 1993; 37(9):689-94. PubMed ID: 7903787.
    Abstract:
    Enterotoxigenic Escherichia coli strain 260-1 produces colonization factor antigen III and heat-labile enterotoxin. A 55-kb plasmid controlling the expression of the colonization factor antigen was isolated from this strain after it was labeled with ampicillin resistance transposon, Tn3. When this plasmid was introduced into E. coli K-12 strains, it induced the formation of pili that were morphologically and immunologically identical to those on the surface of 260-1 cells, as examined by electron microscopic observation and with the specific antiserum. The physical map of the plasmid was constructed, and the 17.4-kb region was found to be responsible for the expression of the pili.
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