Cited by 345Epigenetics and DNA MethylationGenomics and Chromatin DynamicsCancer-related gene regulation

The Murine Polycomb Group Protein Eed Is Required for Global Histone H3 Lysine-27 Methylation

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Montgomery, Nathan D., Yee, Della, Chen, Andrew, Kalantry, Sundeep, Chamberlain, Stormy J., Otte, Arie P., Magnuson, Terry·2005·Current Biology

Abstract

PcG proteins mediate heritable transcriptional silencing by generating and recognizing covalent histone modifications. One conserved PcG complex, PRC2, is composed of several proteins including the histone methyltransferase (HMTase) Ezh2, the WD-repeat protein Eed, and the Zn-finger protein Suz12. Ezh2 methylates histone H3 on lysine 27 (H3K27), which serves as an epigenetic mark mediating silencing. H3K27 can be mono-, di-, or trimethylated (1mH3K27, 2mH3K27, and 3mH3K27, respectively). Hence, either PRC2 must be regulated so as to add one methyl group to certain nucleosomes but two or three to others, or distinct complexes must be responsible for 1m-, 2m-, and 3mH3K27. Consistent with the latter possibility, 2mH3K27 and 3mH3K27, but not 1mH3K27, are absent in Suz12-/- embryos, which lack both Suz12 and Ezh2 protein. Mammalian proteins required for 1mH3K27 have not been identified. Here, we demonstrate that unlike Suz12 and Ezh2, Eed is required not only for 2m- and 3mH3K27 but also global 1mH3K27. These results provide a functionally important distinction between PRC2 complex components and implicate Eed in PRC2-independent histone methylation.

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Crossref · 10.1016/j.cub.2005.04.051

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  • PRC2 inactivation was achieved by genetic ablation of EED, a core subunit of PRC2 essential for complex stability and catalytic activity.

    “PRC2 inactivation was achieved by the genetic ablation of EED, a core subunit of PRC2, which is essential for complex stability and catalytic activity29.”

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Authors
Montgomery, N. D., Yee, D., Chen, A., Kalantry, S., Chamberlain, S. J., Otte, A. P., & Magnuson, T.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • University of Amsterdam (NL)
Corresponding author
Magnuson, Terry
Venue
Current Biology
Publisher
Elsevier BV
Published
2005-05
Volume
15
Issue
10
Pages
942-947
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2110241629
Cited by
345
References
21
Citations by year
2026: 3 · 2025: 6 · 2024: 8 · 2023: 10 · 2022: 18 · 2021: 14 · 2020: 11 · 2019: 14 · 2018: 15 · 2017: 23 · 2016: 23 · 2015: 14 · 2014: 19 · 2013: 23 · 2012: 20
FWCI
7.65
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • UvA-DARE (University of Amsterdam) (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • UNC Libraries
Funders
  • American Cancer Society
  • National Institutes of Health
  • Howard Hughes Medical Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer-related gene regulation
Keywords
EED, Polycomb group proteins, polycomb repressive complex 2, histone H3 lysine 27 methylation, H3K27me3, EZH2, SUZ12, transcriptional silencing, epigenetic inheritance, mouse embryo
MeSH terms
Animals, Cloning, Molecular, Embryo, Mammalian, Fluorescent Antibody Technique, Genetic Vectors, Histones, Lysine, Methylation, Repressor Proteins, Stem Cells, Blotting, Northern, Blotting, Western, Reverse Transcriptase Polymerase Chain Reaction, Gene Silencing, Epigenesis, Genetic, Mice, Polycomb Repressive Complex 2

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