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Transcription termination and late control in phage lambda.

J W Roberts

    Proceedings of the National Academy of Sciences of the United States of America
    |September 1, 1975
    PubMed
    Summary
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    The bacteriophage lambda Q gene product overcomes a transcription termination site to enable late gene expression. This mechanism is crucial for controlling the phage

    Area of Science:

    • Molecular Biology
    • Genetics
    • Virology

    Background:

    • Bacteriophage lambda's gene expression is tightly regulated.
    • A transcription termination site exists between the late gene promoter and the late genes.

    Purpose of the Study:

    • To investigate the role of the lambda Q gene product in overcoming transcription termination.
    • To understand the control mechanism of late gene expression in bacteriophage lambda.

    Main Methods:

    • The study proposes a regulatory mechanism involving the lambda Q gene product.
    • Analysis of transcription termination and gene expression control.

    Main Results:

    • The lambda Q gene product is proposed to overcome the transcription termination barrier.

    Related Experiment Videos

  • This action facilitates the expression of late genes.

    • Conclusions:

    • The lambda Q gene product plays a critical role in bacteriophage lambda's lytic cycle by ensuring late gene expression.
    • Understanding this termination bypass mechanism is key to phage biology.