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Fimbriation in gliding bacteria.

T H MacRae, W J Dobson, H D McCurdy

    Canadian Journal of Microbiology
    |August 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Most gliding prokaryotes possess polar fimbriae, hair-like appendages crucial for bacterial adhesion and motility. Exceptions include some species lacking fimbriae or exhibiting different arrangements, like peritrichous fimbriae in Chloroflexus aurantiacus.

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    Area of Science:

    • Microbiology
    • Cell Biology
    • Bacteriology

    Background:

    • Gliding motility is a complex bacterial movement mechanism.
    • The role of surface appendages in bacterial adhesion and motility is under investigation.
    • Prokaryotic cell surface structures are diverse and functionally significant.

    Purpose of the Study:

    • To investigate the presence and distribution of fimbriae in various gliding prokaryote strains.
    • To characterize the ultrastructure of fimbriae in specific gliding bacteria.
    • To explore potential associations between fimbriae and observed cellular structures.

    Main Methods:

    • Microscopy techniques, including electron microscopy, were employed.
    • A collection of twenty-two gliding prokaryote strains were examined.

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  • Comparative analysis of fimbrial presence and morphology across different species.

    • Main Results:

    • Fimbriae were detected in nineteen out of twenty-two gliding prokaryote strains.
    • Polar fimbriae were the predominant type observed.
    • Chloroflexus aurantiacus exhibited abundant peritrichous fimbriae.
    • Specific fimbriae were associated with unique 'holes' and electron-transparent collars.

    Conclusions:

    • Fimbriae are a common feature among gliding prokaryotes, suggesting a conserved role in their lifestyle.
    • Variations in fimbrial distribution (polar vs. peritrichous) exist across different gliding bacteria.
    • The observed association of fimbriae with specialized structures warrants further investigation into their function.