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Title: EPOP Functionally Links Elongin and Polycomb in Pluripotent Stem Cells      
keywords:
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ID:
PRJNA316432
description:
The cellular plasticity of pluripotent stem cells is thought to be sustained by genomic regions that display both active and repressive chromatin properties. These regions exhibit low levels of gene expression, yet the mechanisms controlling these levels remain unknown. Here, we describe Elongin BC as a binding factor at the promoters of bivalent sites. Biochemical and genome-wide analysis shows that Elongin BC is associated with Polycomb Repressive Complex 2 (PRC2) in pluripotent stem cells. Elongin BC is recruited to chromatin by the PRC2-associated factor EPOP (Elongin- and POlycomb-associated Protein, also termed C17orf96, esPRC2p48, E130012A19Rik), a protein expressed in the inner cell mass of the mouse blastocyst. Both EPOP and Elongin BC are required to maintain low levels of expression at PRC2 genomic targets. Our results indicate that keeping the balance between activating and repressive cues is a more general feature of chromatin in pluripotent stem cells than previously appreciated. Overall design: List of ChIPseq samples (C17orf96, EloB, Suz12, H3K27me3, H3K4me3) and RNAseq samples (control, C17orf96, Suz12, EloB)
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landingpage: http://www.ncbi.nlm.nih.gov/bioproject/PRJNA316432
authentication:
none
authorization:
none
ID:
pmid:27863225
name:
Mus musculus
ncbiID:
ncbitax:10090
abbreviation:
NCBI
homePage: http://www.ncbi.nlm.nih.gov
ID:
SCR:006472
name:
National Center for Biotechnology Information
homePage: http://www.ncbi.nlm.nih.gov/bioproject
ID:
SCR:004801
name:
NCBI BioProject