BAF controls genome accessibility
Transcriptomics Dataset
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General Information
AccessionGSE67382
TitleBAF controls genome accessibility
DescriptionSomatic differentiation requires induction of lineage specific genes to fulfill specialized tissue functions yet the genomic control of this process is incompletely understood. Using the epidermis as a model, we show here that the BAF chromatin remodeling complex is essential to maintain a subset of open chromatin regions, which are strikingly enriched for the DNA binding motif of the stratified epithelial lineage-determining transcription factor p63 (p=1X10-1786). These p63 sites are intrinsically inaccessible. BAF is required to displace nucleosomes ~40 base pairs away from p63 motifs to enable p63 binding, to maintain active histone marks, and to recruit RNA polymerase II to promote gene expression. In this process, p63 was itself also essential for full BAF recruitment to p63 binding sites. Intrinsically, p63 binding sequences favor nucleosome occupancy. Our data therefore suggest a model where a lineage-specific transcription factor cooperates with the BAF complex to establish genome accessibility and engage tissue-specific gene expression.
Landing Pagehttps://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE67382
RepositoryGene Expression Omnibus
Tools used to analyze the dataset
Dataset Accession
ARCHS4
Published September 2017
ARCHS4 provides access to gene counts from HiSeq 2000 and HiSeq 2500 platforms for human and mouse experiments from GEO ...
4645
Clustergrammer
Published October 2017
Web-based tool for visualizing and analyzing high-dimensional data as interactive and shareable heatmaps
4645
Canned Analyses generated with the dataset
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Tool Name
Interactive heatmap visualization of RNA-seq dataset GSE67382
ARCHS4, Clustergrammer
Highly interactive web-based heatmap visualization of the top 500 most variable genes in t...
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