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Related Experiment Videos

Histone and chromatin cross-talk.

Wolfgang Fischle1, Yanming Wang, C David Allis

  • 1Department of Biochemistry and Molecular Genetics, University of Virginia, Health Sciences Center, 1300 Jefferson Park Avenue, Charlottesville, VA 22908-0733, USA.

Current Opinion in Cell Biology
|March 22, 2003
PubMed
Summary

Chromatin organization dynamically regulates gene function through histone modifications. These epigenetic marks and their cross-talk form complex circuits controlling cellular responses to signals.

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • Genomics

Background:

  • Chromatin serves as the nucleus's primary substrate for genetic processes.
  • Dynamic chromatin organization is increasingly recognized as a critical regulator of genomic function.
  • The cell nucleus integrates numerous internal and external signals via chromatin.

Purpose of the Study:

  • To review the role of dynamic chromatin organization in regulating genomic function.
  • To explore the significance of post-translational modifications of histones.
  • To elucidate the complex epigenetic circuits involving cross-talk between regulatory components.

Main Methods:

  • Literature review of studies on chromatin dynamics.
  • Analysis of post-translational histone modifications.

Related Experiment Videos

  • Investigation of signaling pathways influencing chromatin structure.

    • Main Results:

    • Histone modifications ('marks') are crucial mediators of genome activity.
    • These marks respond to upstream signaling pathways.
    • Emerging evidence reveals intricate cross-talk between various chromatin regulatory components.

    Conclusions:

    • Dynamic chromatin organization is central to eukaryotic cellular function.
    • Epigenetic circuits, involving histone modifications and their interactions, are key to cellular signaling and gene regulation.