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  • Title: Immunocytochemical analysis of P-fimbrial structure: localization of minor subunits and the influence of the minor subunit FsoE on the biogenesis of the adhesin.
    Author: Riegman N, Hoschützky H, van Die I, Hoekstra W, Jann K, Bergmans H.
    Journal: Mol Microbiol; 1990 Jul; 4(7):1193-8. PubMed ID: 1978223.
    Abstract:
    Antibodies recognizing the non-adhesive minor P-fimbral subunit protein E and the P-fimbrial adhesin were used in an immunocytochemical analysis of P-fimbrial structure. It was demonstrated that P-fimbriae of the serotypes F71, F72 and F11 carry their adhesin in a complex with protein E. These complexes are commonly found at the tip of the fimbrial structure. In P-fimbriae of serotype F9, expressed by the uropathogenic Escherichia coli strain 21086, adhesin-protein E complexes are localized at the tips as well as along the shafts of the fimbriae. Protein E of F71 fimbriae (FsoE) plays a catalysing role in the biogenesis of the adhesin, but has no effect on the eventual localization of the adhesin.
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