Histone H2A/H2B Dimer Exchange by ATP-Dependent Chromatin Remodeling Activities

Michael Bruno, Andrew Flaus, Chris Stockdale, Chantal Rencurel, Helder Ferreira, Tom Owen-Hughes

Research output: Contribution to a Journal (Peer & Non Peer)Articlepeer-review

166 Citations (Scopus)

Abstract

ATP-dependent chromatin remodeling activities function to manipulate chromatin structure during gene regulation. One of the ways in which they do this is by altering the positions of nucleosomes along DNA. Here we provide support for the ability of these complexes to move nucleosomes into positions in which DNA is unraveled from one edge. This is expected to result in the loss of histone-DNA contacts that are important for retention of one H2A/H2B dimer within the nucleosome. Consistent with this we find that several chromatin remodeling complexes are capable of catalyzing the exchange of H2A/H2B dimers between chromatin fragments in an ATP-dependent reaction. This provides eukaryotes with additional means by which they may manipulate chromatin structure.

Original languageEnglish
Pages (from-to)1599-1606
Number of pages8
JournalMolecular Cell
Volume12
Issue number6
DOIs
Publication statusPublished - Dec 2003
Externally publishedYes

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