GCN5,a Yeast Transcriptional Coactivator, Induces Chromatin Reconfiguration ofHIS3Promoterin Vivo

Gcn5p, the nuclear histone acetyltransferase (HAT A), is a component of the multiprotein adaptor complex,ADA.Its role as a transcriptional coactivator is required for full induction of most of the genes regulated byGCN4.In this study we present experimental evidence demonstrating that, during gene a...

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Bibliographic Details
Published in:Biochemical and biophysical research communications Vol. 242; no. 1; pp. 84 - 87
Main Authors: Filetici, P., Aranda, C., Gonzàlez, A., Ballario, P.
Format: Journal Article
Language:English
Published: Elsevier Inc 06-01-1998
Online Access:Get full text
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Summary:Gcn5p, the nuclear histone acetyltransferase (HAT A), is a component of the multiprotein adaptor complex,ADA.Its role as a transcriptional coactivator is required for full induction of most of the genes regulated byGCN4.In this study we present experimental evidence demonstrating that, during gene activation, the nuclease sensitive region ofHIS3promoter, harbouring the poly (dA:dT) and theGCN4binding site, is invaded by nucleosomes in agcn5disrupted strain. These data demonstrate, for the first time, that Gcn5p affects directly the chromatin organization of a chromosomal gene during its transcriptional activation.
ISSN:0006-291X
1090-2104
DOI:10.1006/bbrc.1997.7918