期刊
NATURE BIOTECHNOLOGY
卷 28, 期 5, 页码 495-U155出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nbt.1630
关键词
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资金
- Bio-X graduate
- German Research Foundation [Hi 1423/2-1]
- Human Frontier Science Program [LT000896/2009-l]
- Stanford Graduate
- US National Institutes of Health [1R01HD059862]
- Edward Mallinckrodt
We developed the Genomic Regions Enrichment of Annotations Tool (GREAT) to analyze the functional significance of cis-regulatory regions identified by localized measurements of DNA binding events across an entire genome. Whereas previous methods took into account only binding proximal to genes, GREAT is able to properly incorporate distal binding sites and control for false positives using a binomial test over the input genomic regions. GREAT incorporates annotations from 20 ontologies and is available as a web application. Applying GREAT to data sets from chromatin immunoprecipitation coupled with massively parallel sequencing (ChIP-seq) of multiple transcription-associated factors, including SRF, NRSF, GABP, Stat3 and p300 in different developmental contexts, we recover many functions of these factors that are missed by existing gene-based tools, and we generate testable hypotheses. The utility of GREAT is not limited to ChIP-seq, as it could also be applied to open chromatin, localized epigenomic markers and similar functional data sets, as well as comparative genomics sets.
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