SGD Paper 
Parra MA and Wyrick JJ (2007) Regulation of Gene Transcription by the Histone H2A N-Terminal Domain. Mol Cell Biol 27(21):7641-8
Abstract: Histone N-terminal domains play critical roles in regulating chromatin structure and gene transcription. Relatively little is known, however, about the role of the histone H2A N-terminal domain in transcription regulation. We have used DNA microarrays to characterize the changes in genome-wide expression caused by mutations in the N-terminal domain of histone H2A. Our results indicate that the N-terminal domain of histone H2A functions primarily to repress the transcription of a large subset of the yeast genome, and that most of the H2A-repressed genes are also repressed by the histone H2B N-terminal domain. Using the histone H2A microarray data, we selected three reporter genes (BNA1, BNA2, and GCY1), which we subsequently used to map regions in the H2A N-terminal domain responsible for this transcriptional repression. These studies revealed that a small subdomain in the H2A N-terminal tail, comprised of residues 16 to 20, is required for the transcriptional repression of these reporter genes. Deletion of the either the entire histone H2A N-terminal domain or just this small subdomain imparts sensitivity to UV irradiation. Finally, we show that two residues in this H2A subdomain, serine-17 and arginine-18, are specifically required for the transcriptional repression of the BNA2 reporter gene.
| Status: Published | Type: Journal Article | PubMed ID: 17724083 |
Topics addressed in this paper
Number of different genes curated to this paper: 7
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