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Related Experiment Videos

The SWI-SNF complex: a chromatin remodeling machine?

C L Peterson1, J W Tamkun

  • 1Program in Molecular Medicine, University of Massachusetts Medical Center, Worcester 01605, USA.

Trends in Biochemical Sciences
|April 1, 1995
PubMed
Summary
This summary is machine-generated.

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The SWI-SNF complex regulates gene expression by counteracting transcription repression. Biochemical studies show this complex uses ATP to alter nucleosome structure, impacting gene accessibility.

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • The SWI-SNF complex is crucial for regulating gene expression in eukaryotes.
  • Genetic studies in yeast suggest its role in antagonizing chromatin-mediated transcriptional repression.

Purpose of the Study:

  • To investigate the function of the SWI-SNF complex in gene expression regulation.
  • To understand the biochemical mechanism by which SWI-SNF affects chromatin structure.

Main Methods:

  • Genetic analysis in Saccharomyces cerevisiae.
  • Biochemical assays examining SWI-SNF complex activity.

Main Results:

  • SWI-SNF complex antagonizes chromatin-mediated repression of transcription.

Related Experiment Videos

  • Biochemical evidence indicates SWI-SNF complexes utilize ATP hydrolysis to disrupt nucleosome structure.

    • Conclusions:

    • The SWI-SNF complex plays a vital role in eukaryotic gene regulation.
    • ATP-dependent disruption of nucleosome structure is a key mechanism for SWI-SNF function.