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Title: CBX3 Regulates Efficient RNA Processing Genome Wide      
dateReleased:
05-24-2012
description:
HP1 alpha, beta, and gamma play an evolutionarily conserved role in the formation and maintenance of heterochromatin. In addition, some HP1 family members may also participate in transcriptional regulation of genes. Recently, HP1 gamma binding to the bodies of a subset of genes has been observed in human and murine cells. However, the generality of this phenomenon and the role HP1 gamma may play in this context are unknown. Genome-wide localization analysis reveals broad and general HP1 gamma binding at actively transcribed genes, which strongly correlates with gene activity across multiple cell types. Unexpectedly, we find HP1 gamma binding is necessary for efficient RNA processing of its target genes. Loss of HP1 gamma results in defective recruitment of splicing factors including U1-70K, and leads to accumulation of unspliced nascent transcripts genome-wide. Therefore, our data argue that the primary role of HP1 gamma is to ensure efficient RNA processing in mammalian cells. Genome-wide localization and function of HP1 gamma in multiple cell types using ChIP-chip, ChIP-seq, and RNA-seq
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-28115
refinement:
raw
alternateIdentifiers:
28115
keywords:
functional genomics
dateModified:
05-02-2014
availability:
available
types:
gene expression
name:
Homo sapiens
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-28115/E-GEOD-28115.raw.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-28115/E-GEOD-28115.processed.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE28115
storedIn:
Gene Expression Omnibus
qualifier:
not compressed
format:
HTML
accessType:
landing page
primary:
true
authentication:
none
authorization:
none
abbreviation:
EBI
homePage: http://www.ebi.ac.uk/
ID:
SCR:004727
name:
European Bioinformatics Institute
homePage: https://www.ebi.ac.uk/arrayexpress/
ID:
SCR:002964
name:
ArrayExpress
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