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THE CLUMPING OF STAPHYLOCOCCUS PYOGENES BY SERUM AND FIBRINOGEN-FREE PLASMAS

A E BROWN, A A FARUQUE

    Journal of Clinical Pathology
    |September 1, 1963
    PubMed

    Insights

    Fifty strains of Staphylococcus pyogenes were tested for coagulase using various plasma and serum reagents. All tested reagents effectively clumped the bacteria, indicating their utility in identifying this pathogen.

    Area of Science:

    • Microbiology
    • Bacteriology

    Background:

    • Staphylococcus pyogenes is a significant human pathogen.
    • Accurate identification of Staphylococcus pyogenes is crucial for effective treatment.

    Purpose of the Study:

    • To evaluate the efficacy of different plasma and serum reagents in detecting coagulase activity in Staphylococcus pyogenes.
    • To determine the reliability of the slide coagulase test for identifying Staphylococcus pyogenes.

    Main Methods:

    • Fifty strains of Staphylococcus pyogenes were subjected to coagulase testing.
    • The slide coagulase test was performed using standard plasma, serum, and modified fibrinogen-free plasma preparations.

    Main Results:

    • All tested Staphylococcus pyogenes strains exhibited positive coagulase activity.
    • Bacterial clumping was observed consistently across all tested reagent types, including plasma, serum, and fibrinogen-free plasma.

    Conclusions:

    • The slide coagulase test is a reliable method for identifying Staphylococcus pyogenes.
    • Various plasma and serum formulations are effective for detecting coagulase activity in this species.
    Keywords:
    BLOODFIBRINOGENHYDROLASESPLASMASTAPHYLOCOCCUS

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