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Nature's Ballistic Missile.

E J Robb, G L Barron

    Science (New York, N.Y.)
    |December 17, 1982
    PubMed
    Summary
    This summary is machine-generated.

    The parasitic fungus Haptoglossa mirabilis uses a unique gun-shaped cell to infect rotifer hosts. This specialized cell fires a projectile at high speed for initial host penetration.

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    Area of Science:

    • Mycology
    • Parasitology
    • Cell Biology

    Background:

    • Haptoglossa mirabilis is a parasitic fungus known to infect rotifer hosts.
    • The infection mechanism involves a specialized, predatory cell structure.

    Purpose of the Study:

    • To describe the unique cellular morphology and infection mechanism of Haptoglossa mirabilis.
    • To elucidate the structure and function of the fungus's "gun-shaped" attack cell.

    Main Methods:

    • Morphological analysis of Haptoglossa mirabilis.
    • Microscopic examination of the infection process in rotifer hosts.

    Main Results:

    • Haptoglossa mirabilis possesses a "gun-shaped" attack cell with a barrel and bore.
    • A complex, missile-like apparatus is housed within a basal chamber of the bore.

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  • The fungus fires this projectile at high velocity to penetrate the rotifer host.

    • Conclusions:

    • The "gun-shaped" cell represents a highly specialized predatory adaptation in Haptoglossa mirabilis.
    • The rapid firing of a projectile is crucial for the initial invasion of the rotifer host.