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Bacterial pili (fimbriae) are protein appendages which extend from the cell surface and serve to adhere the microorganism to body surfaces. These appendages have been isolated, purified and characterized as vaccine candidates. These vaccines stimulate an immune response which serves at least with ...
Further, native fungal fimbriae can function as a mammalian extracellular matrix component. They can act as a substratum which permits animal cells to adhere, spread, and proliferate in a manner similar to animal collagens. The implications of this finding to both phylogeny and pathology are ...
Homologues of these genes and of the subunit (pilin) gene have been described in various different bacterial species, but not always in association with type 4 fimbrial biosynthesis and function. Pil-like proteins are also involved in protein secretion, DNA transfer by conjugation and ...
Table 1. Localization, function, biogenesis, and genotype of P. gingivalis fimbrial proteins. Empty CellComponentLocalizationFunctionBiogenesisGenotype FimA fimbriaeFimA Outside (main shaft portion) Binding to salivary molecules, such as proline-rich proteins and statherins, cell surface proteins, such ...
Fimbriae are bacterial cell surface organelles involved in the pathogenesis of many bacterial species, including Gallibacterium anatis, in which a F17-like fimbriae of the chaperone-usher (CU) family was recently shown to be an important virulence factor
Hfq-dependent sRNAs usually require Hfq proteins for in vivo stability and function16,18. To deter- mine whether Hfq protein is required for modulating biofilm formation by sRNAs, we examined the Hfq dependency of three selected inhibitory sRNAs (ArcZ, DsrA, and SdsR), previously identified as...
Availability of the purified Fim2 and Fim3 also provided an opportunity to assess their individual roles in the immunogenicity and protective efficacy. As a virulence factor of B. pertussis, the ability of Prn to function as adhesin has been investigated both in vitro and in vivo [10, 23]....
Homologues of these genes and of the subunit (pilin) gene have been described in various different bacterial species, but not always in association with type 4 fimbrial biosynthesis and function. Pil-like proteins are also involved in protein secretion, DNA transfer by conjugation and ...
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