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Immunochemical studies on Staphylococcus aureus plasma membrane. 2. Antigenic properties

P Aasjord, A Grov

    Acta Pathologica Et Microbiologica Scandinavica. Section B, Microbiology
    |June 1, 1978
    PubMed
    Summary

    Serological examination of Staphylococcus aureus Cowan I revealed that lipoteichoic acid (LTA) and its membrane glycoprotein possess distinct antigenic determinants. These findings are crucial for understanding bacterial surface structures and immune responses.

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    Acta pathologica, microbiologica, et immunologica Scandinavica. Section B, Microbiology·1984
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    Antibodies to Staphylococcus aureus peptidoglycan and lipoteichoic acid in staphylococcal infections.

    Scandinavian journal of infectious diseases. Supplementum·1983

    Area of Science:

    • Immunology
    • Microbiology
    • Biochemistry

    Background:

    • Staphylococcus aureus is a significant human pathogen.
    • Understanding the antigenic properties of bacterial cell surface components is crucial for vaccine development and diagnostics.

    Purpose of the Study:

    • To serologically characterize the antigenic determinants of the cytoplasmic membrane and lipoteichoic acid (LTA) from S. aureus Cowan I.

    Main Methods:

    • Serological examination of isolated cytoplasmic membrane and LTA from S. aureus Cowan I.

    Main Results:

    • Lipoteichoic acid (LTA) contains alpha- and beta-glucosyl substituents and ester-linked alanine, which act as antigenic determinants.
    • The bacterial membrane also contains a glycoprotein with antigenic determinants in both protein and sugar components.

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    Conclusions:

    • Both LTA and the membrane glycoprotein of S. aureus Cowan I possess unique antigenic structures.
    • These identified antigenic determinants can be targets for serological assays and potential therapeutic interventions.