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The capsule of the gonococcus.

J F James, J Swanson

    The Journal of Experimental Medicine
    |April 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    All 16 strains of Neisseria gonorrhoeae showed encapsulation, a key feature for this bacterium. These capsules, though fragile, were consistently observed across various strains and colony types.

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    Area of Science:

    • Microbiology
    • Bacteriology
    • Microscopy

    Background:

    • Neisseria gonorrhoeae is a significant human pathogen.
    • Capsular structures can influence bacterial virulence and host interactions.
    • Understanding gonococcal surface structures is crucial for disease research.

    Purpose of the Study:

    • To investigate the presence and characteristics of the capsule in Neisseria gonorrhoeae.
    • To determine if encapsulation is a consistent feature across different strains.

    Main Methods:

    • Utilized established light microscopy techniques.
    • Examined 16 diverse strains of Neisseria gonorrhoeae.
    • Assessed encapsulation in both recently isolated and long-term passaged organisms.

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    Main Results:

    • Encapsulation was demonstrated in all 16 Neisseria gonorrhoeae strains examined.
    • Capsules were visible in recently isolated and long-term passaged strains.
    • All colony types within the tested strains exhibited encapsulation.
    • The gonococcal capsule was observed to be fragile and easily disrupted by mechanical forces.

    Conclusions:

    • Neisseria gonorrhoeae consistently possesses a demonstrable capsule.
    • Capsulation is a stable characteristic across different strains and colony types.
    • The fragility of the gonococcal capsule may be a factor in its study and role in infection.