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Cited by 351

The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.

Relationship between Histone H3 Lysine 9 Methylation, Transcription Repression, and Heterochromatin Protein 1 Recruitment

Open access
Stewart, M. David, Li, Jiwen, Wong, Jiemin·2005·Molecular and Cellular Biology

Abstract

Histone H3 lysine 9 (H3-K9) methylation has been shown to correlate with transcriptional repression and serve as a specific binding site for heterochromatin protein 1 (HP1). In this study, we investigated the relationship between H3-K9 methylation, transcriptional repression, and HP1 recruitment by comparing the effects of tethering two H3-K9-specific histone methyltransferases, SUV39H1 and G9a, to chromatin on transcription and HP1 recruitment. Although both SUV39H1 and G9a induced H3-K9 methylation and repressed transcription, only SUV39H1 was able to recruit HP1 to chromatin. Targeting HP1 to chromatin required not only K9 methylation but also a direct protein-protein interaction between SUV39H1 and HP1. Targeting methyl-K9 or a HP1-interacting region of SUV39H1 alone to chromatin was not sufficient to recruit HP1. We also demonstrate that methyl-K9 can suppress transcription independently of HP1 through a mechanism involving histone deacetylation. In an effort to understand how H3-K9 methylation led to histone deacetylation in both H3 and H4, we found that H3-K9 methylation inhibited histone acetylation by p300 but not its association with chromatin. Collectively, these data indicate that H3-K9 methylation alone can suppress transcription but is insufficient for HP1 recruitment in the context of chromatin exemplifying the importance of chromatin-associated factors in reading the histone code.

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Crossref · 10.1128/mcb.25.7.2525-2538.2005

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Metadata

Authors
Stewart, M. D., Li, J., & Wong, J.
Venue
Molecular and Cellular Biology
Published
2005-04-01
Volume
25
Issue
7
Pages
2525-2538
ISSN
  • 0270-7306 (ISSN-L)
  • 1098-5549
OpenAlex
W2104870341
Cited by
351
References
65
FWCI
10.83
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Relationship between Histone H3 Lysine 9 Methylation, Transcription Repression, and Heterochromatin Protein 1 Recruitment. https://app.cochat.ai/papers/10.1128/mcb.25.7.2525-2538.2005
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Stewart, M. D., Li, J., & Wong, J. (2005). Relationship between Histone H3 Lysine 9 Methylation, Transcription Repression, and Heterochromatin Protein 1 Recruitment. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.25.7.2525-2538.2005

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