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Cited by 311

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A trithorax-group complex purified from Saccharomyces cerevisiae is required for methylation of histone H3

Open access
Nagy, Peter L., Griesenbeck, Joachim, Kornberg, Roger D., Cleary, Michael L.·2002·Proceedings of the National Academy of Sciences

Abstract

Histone methylation has emerged as an important mechanism for regulating the transcriptional accessibility of chromatin. Several methyltransferases have been shown to target histone amino-terminal tails and mark nucleosomes associated with either euchromatic or heterochromatic states. However, the biochemical machinery responsible for regulating histone methylation and integrating it with other cellular events has not been well characterized. We report here the purification, molecular identification, and genetic and biochemical characterization of the Set1 protein complex that is necessary for methylation of histone H3 at lysine residue 4 in Saccharomyces cerevisiae . The seven-member 363-kDa complex contains homologs of Drosophila melanogaster proteins Ash2 and Trithorax and Caenorhabditis elegans protein DPY-30, which are implicated in the maintenance of Hox gene expression and regulation of X chromosome dosage compensation, respectively. Mutations of Set1 protein comparable to those that disrupt developmental function of its Drosophila homolog Trithorax abrogate histone methylation in yeast. These studies suggest that epigenetic regulation of developmental and sex-specific gene expression are species-specific readouts for a common chromatin remodeling machinery associated mechanistically with histone methylation.

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Metadata

Authors
Nagy, P. L., Griesenbeck, J., Kornberg, R. D., & Cleary, M. L.
Venue
Proceedings of the National Academy of Sciences
Published
2001-12-18
Volume
99
Issue
1
Pages
90-94
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2070959297
Cited by
311
References
3
FWCI
6.95
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A trithorax-group complex purified from Saccharomyces cerevisiae is required for methylation of histone H3. https://app.cochat.ai/papers/10.1073/pnas.221596698
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Nagy, P. L., Griesenbeck, J., Kornberg, R. D., & Cleary, M. L. (2002). A trithorax-group complex purified from Saccharomyces cerevisiae is required for methylation of histone H3. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.221596698

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