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Cell Cycle. 2006 Jul;5(13):1361-5. Epub 2006 Jul 1.

Switching on chromatin: mechanistic role of histone H4-K16 acetylation.

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  • 1Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA.


How post-translational histone modifications regulate DNA utilization constitutes one of the central questions of chromatin biology. In studying the mechanistic role of histone H4-K16 acetylation, a mark with a functional role in maintaining transcriptionally permissive DNA domains or directly promoting gene transcription, we found that this acetylation both disrupts higher-order chromatin structure and changes the functional interaction of chromatin-associated proteins. The potential significance of this finding for in vivo chromatin structure, establishment of euchromatic domains, and promotion of gene transcription is examined.

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