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Related Experiment Videos

Multiple forms of dextran-binding proteins from Streptococcus mutans

M M McCabe, R M Hamelik

    Advances in Experimental Medicine and Biology
    |January 1, 1978
    PubMed
    Summary
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    Researchers identified five proteins in S. mutans with dextran synthesis and binding capabilities. These proteins may explain bacterial adherence and serve as vaccine targets.

    Area of Science:

    • Microbiology
    • Biochemistry
    • Immunology

    Background:

    • Streptococcus mutans (S. mutans) possesses multiple mechanisms for dextran binding.
    • Bacterial lectins are implicated in host tissue attachment.

    Purpose of the Study:

    • To isolate and characterize proteins involved in dextran synthesis and binding in S. mutans.
    • To investigate the role of these proteins in bacterial adherence and host infection.

    Main Methods:

    • Isolation of five distinct proteins from S. mutans.
    • Characterization of individual protein capacities for dextran synthesis and binding.

    Main Results:

    • Identification of five proteins with specific dextran-binding and synthesizing activities.

    Related Experiment Videos

  • These proteins provide a biochemical basis for observed dextran-binding mechanisms in S. mutans.
  • The presence of dextran-binding lectins suggests a role in initial host tissue attachment.

    • Conclusions:

    • The identified proteins are likely molecular determinants of S. mutans host infection.
    • These proteins may function as immunogens for vaccine development.
    • The multiplicity of dextran-binding proteins highlights the complexity of S. mutans adherence mechanisms.