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Role of M13 gene 1 protein in filamentous virus assembly

P Silver, W T Wickner

    Journal of Virology
    |July 1, 1980
    PubMed

    Insights

    The M13 gene 1 protein is essential for continuous virus production. However, it does not directly participate in the conversion of procoat to coat proteins during viral assembly.

    Area of Science:

    • Virology
    • Molecular Biology

    Background:

    • The M13 phage is a well-studied model organism for viral replication.
    • Understanding the roles of specific viral proteins is crucial for deciphering assembly mechanisms.

    Purpose of the Study:

    • To investigate the specific function of the M13 gene 1 protein in the viral life cycle.
    • To determine if the M13 gene 1 protein is directly involved in coat protein maturation.

    Main Methods:

    • Utilizing genetic manipulation of the M13 phage to alter gene 1 expression.
    • Employing biochemical assays to analyze protein processing and viral assembly intermediates.

    Main Results:

    • The M13 gene 1 protein is continuously required throughout the virus production process.
    • Absence of the M13 gene 1 protein does not impede the proteolytic cleavage of procoat to coat proteins.

    Conclusions:

    • The M13 gene 1 protein plays a vital role in sustained viral particle formation.
    • Its function is distinct from the direct proteolytic processing of coat proteins.

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