期刊
NATURE
卷 489, 期 7414, 页码 75-82出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nature11232
关键词
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资金
- National Institutes of Health [HG004592, HG004563, GM076036, R01MH084676]
- National Science Foundation Graduate Research Fellowship [DGE-0718124]
- National Science Foundation
- Research Council of Norway
- caBIG In Silico Center of Excellence, NCI/NIH [HHSN261200800001E]
- Medical Research Council [MC_UP_1102/1] Funding Source: researchfish
- MRC [MC_UP_1102/1] Funding Source: UKRI
DNase I hypersensitive sites (DHSs) are markers of regulatory DNA and have underpinned the discovery of all classes of cis-regulatory elements including enhancers, promoters, insulators, silencers and locus control regions. Here we present the first extensive map of human DHSs identified through genome-wide profiling in 125 diverse cell and tissue types. We identify similar to 2.9 million DHSs that encompass virtually all known experimentally validated cis-regulatory sequences and expose a vast trove of novel elements, most with highly cell-selective regulation. Annotating these elements using ENCODE data reveals novel relationships between chromatin accessibility, transcription, DNA methylation and regulatory factor occupancy patterns. We connect similar to 580,000 distal DHSs with their target promoters, revealing systematic pairing of different classes of distal DHSs and specific promoter types. Patterning of chromatin accessibility at many regulatory regions is organized with dozens to hundreds of co-activated elements, and the transcellular DNase I sensitivity pattern at a given region can predict cell-type-specific functional behaviours. The DHS landscape shows signatures of recent functional evolutionary constraint. However, the DHS compartment in pluripotent and immortalized cells exhibits higher mutation rates than that in highly differentiated cells, exposing an unexpected link between chromatin accessibility, proliferative potential and patterns of human variation.
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