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Methylation of histone H3 Lys 4 in coding regions of active genes.
Proc. Natl. Acad. Sci. U.S.A. 99, 8695-8700 (2002)
Posttranslational modifications of histone tails regulate chromatin structure and transcription. Here we present global analyses of histone acetylation and histone H3 Lys 4 methylation patterns in yeast. We observe a significant correlation between acetylation of histones H3 and H4 in promoter regions and transcriptional activity. In contrast, we find that dimethylation of histone H3 Lys 4 in coding regions correlates with transcriptional activity. The histone methyltransferase Set1 is required to maintain expression of these active, promoter-acetylated, and coding region-methylated genes. Global comparisons reveal that genomic regions deacetylated by the yeast enzymes Rpd3 and Hda1 overlap extensively with Lys 4 hypo- but not hypermethylated regions. In the context of recent studies showing that Lys 4 methylation precludes histone deacetylase recruitment, we conclude that Set1 facilitates transcription, in part, by protecting active coding regions from deacetylation.
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Publication type
Article: Journal article
Document type
Scientific Article
ISSN (print) / ISBN
0027-8424
e-ISSN
1091-6490
Quellenangaben
Volume: 99,
Issue: 13,
Pages: 8695-8700
Publisher
National Academy of Sciences
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Functional Epigenetics (IFE)