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Related Experiment Videos

The NuRD complex: linking histone modification to nucleosome remodeling.

Q Feng1, Y Zhang

  • 1Department of Biochemistry and Biophysics, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC 27599-7295, USA.

Current Topics in Microbiology and Immunology
|February 25, 2003
PubMed
Summary

The NuRD complex couples ATP-dependent nucleosome remodeling with histone deacetylation, impacting gene silencing and development. This chromatin regulator is crucial for DNA methylation and transcriptional control.

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • Chromatin Biology

Background:

  • Core histone tail modifications and ATP-dependent nucleosome remodeling are vital for chromatin function.
  • The NuRD/Mi-2 complex possesses both nucleosome remodeling and histone deacetylase activities.
  • NuRD is implicated in methylated DNA silencing and has roles in embryonic patterning and Ras signaling in C. elegans.

Purpose of the Study:

  • To investigate the coupled activities of nucleosome remodeling and histone modification within the NuRD complex.
  • To explore the role of NuRD in gene regulation, including methylated DNA silencing.
  • To understand the broader functions of NuRD in biological processes like embryonic patterning.

Main Methods:

  • Purification and characterization of the NuRD/Mi-2 complex.

Related Experiment Videos

  • Assays for nucleosome remodeling and histone deacetylase activities.
  • Investigating NuRD's role in methylated DNA silencing and gene transcription.

    • Main Results:

    • The NuRD/Mi-2 complex demonstrates coupled nucleosome remodeling and histone deacetylase activities.
    • NuRD is a component of the MeCP1 complex, highlighting its role in silencing methylated DNA.
    • NuRD functions in embryonic patterning and Ras signaling pathways in Caenorhabditis elegans.

    Conclusions:

    • Nucleosome remodeling and histone tail modification can be functionally coupled within the NuRD complex.
    • NuRD plays a significant role in epigenetic gene silencing and transcriptional regulation.
    • The NuRD complex is essential for diverse biological processes, including development and signaling.