The PRC2-associated factor C17orf96 is a novel CpG island regulator in mouse ES cells

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The PRC2-associated factor C17orf96 is a novel CpG island regulator in mouse ES cells

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Title: The PRC2-associated factor C17orf96 is a novel CpG island regulator in mouse ES cells
Author: Liefke, Robert; Shi, Yang

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Citation: Liefke, Robert, and Yang Shi. 2015. “The PRC2-Associated Factor C17orf96 Is a Novel CpG Island Regulator in Mouse ES Cells.” Cell Discovery 1 (April 28): 15008. doi:10.1038/celldisc.2015.8.
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Abstract: CpG islands (CGIs) are key DNA regulatory elements in the vertebrate genome and are often found at gene promoters. In mammalian embryonic stem (ES) cells, CGIs are decorated by either the active or repressive histone marks, H3K4me3 and H3K27me3, respectively, or by both modifications (‘bivalent domains’), but their precise regulation is incompletely understood. Remarkably, we find that the polycomb repressive complex 2 (PRC2)-associated protein C17orf96 (a.k.a. esPRC2p48 and E130012A19Rik) is present at most CGIs in mouse ES cells. At PRC2-rich CGIs, loss of C17orf96 results in an increased chromatin binding of Suz12 and elevated H3K27me3 levels concomitant with gene repression. In contrast, at PRC2-poor CGIs, located at actively transcribed genes, C17orf96 colocalizes with RNA polymerase II and its depletion leads to a focusing of H3K4me3 in the core of CGIs. Our findings thus identify C17orf96 as a novel context-dependent CGI regulator.
Published Version: doi:10.1038/celldisc.2015.8
Other Sources: http://www.nature.com/articles/celldisc20158
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:23014895
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