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Related Experiment Videos

[Microbiological and immunodiagnostic studies in experimental erysipeloid].

G I Denisov, B V Karal'nik

    Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii
    |April 1, 1984
    PubMed
    Summary

    The passive hemagglutination test detected Erysipelothrix rhusiopathiae antibodies and antigens in mice. Higher infection doses increased antigen presence but decreased antibody levels.

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    Area of Science:

    • Veterinary Microbiology
    • Immunology

    Background:

    • Erysipelothrix rhusiopathiae causes significant disease in animals.
    • Accurate diagnostic methods are crucial for controlling E. rhusiopathiae infections.

    Purpose of the Study:

    • To evaluate the passive hemagglutination test for detecting E. rhusiopathiae antibodies and antigens.
    • To investigate the relationship between infection dose, antigen distribution, and antibody response.

    Main Methods:

    • Passive hemagglutination test using specific antigenic and antibody erythrocytic reagents.
    • Analysis of blood serum and internal organs of infected mice.

    Main Results:

    • The passive hemagglutination test successfully detected antibodies to E. rhusiopathiae specific and type-specific antigens in infected mice.
    • Antigens were identified in the internal organs of infected animals.
    • Increased infective dose led to higher contamination levels and antigen retention in organs, concurrently decreasing specific antibody activity in serum.

    Conclusions:

    • The passive hemagglutination test is a viable method for diagnosing E. rhusiopathiae infections.
    • Infection dynamics involve antigen persistence in organs and a complex antibody response, influenced by the infective dose.

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