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Bioinformatics
Article . 2005 . Peer-reviewed
Data sources: Crossref
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Bioinformatics
Article
Data sources: UnpayWall
Bioinformatics
Article . 2006
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Histone acetylation and transcriptional regulation in the genome of Saccharomyces cerevisiae

Authors: Kay Tatsuoka; Xiang Guo; Rongxiang Liu;

Histone acetylation and transcriptional regulation in the genome of Saccharomyces cerevisiae

Abstract

Abstract Motivation: In eukaryotic genomes, histone acetylation and thereafter departure from the chromatin are essential for gene transcription initiation. Because gene transcription is tightly regulated by transcription factors, there are some speculations on the cooperation of histone acetylation and transcription factor binding. However, systematic statistical analyses of this relationship on a genomic scale have not been reported. Results: We apply several statistical methods to explore this relationship on two recent genomic datasets: acetylation levels on 11 histone lysines and binding activities of 203 transcription factors, both in promoter regions across the yeast genome. By canonical correlation analysis, we find that a histone acetylation pattern is correlated with a certain profile of transcription factor binding in the genome. Furthermore, after clustering the genes by their acetylation levels on the 11 histone lysines, the genes within clusters show distinct transcription factor binding profiles, as discovered by principle component analysis. Even after applying fairly stringent statistical measurement, most of these clusters have transcription factors with binding activities significantly deviated from the overall genome. We conclude that in the yeast genome, there is a strong correlation between histone acetylation and transcription factor binding in the promoter regions. Contact: ron.2.liu@gsk.com Supplementary information: Supplementary Data are available at Bioinformatics online.

Keywords

Histones, Transcriptional Activation, Binding Sites, Gene Expression Regulation, Fungal, Chromosome Mapping, Acetylation, Saccharomyces cerevisiae, Genome, Fungal, Protein Binding, Transcription Factors

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    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
17
Average
Top 10%
Top 10%
gold