Mapping cell type-specific transcriptional enhancers using high affinity, lineage-specific Ep300 bioChIP-seq

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Mapping cell type-specific transcriptional enhancers using high affinity, lineage-specific Ep300 bioChIP-seq

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Title: Mapping cell type-specific transcriptional enhancers using high affinity, lineage-specific Ep300 bioChIP-seq
Author: Zhou, Pingzhu; Gu, Fei; Zhang, Lina; Akerberg, Brynn N; Ma, Qing; Li, Kai; He, Aibin; Lin, Zhiqiang; Stevens, Sean M; Zhou, Bin; Pu, William T

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Citation: Zhou, P., F. Gu, L. Zhang, B. N. Akerberg, Q. Ma, K. Li, A. He, et al. 2017. “Mapping cell type-specific transcriptional enhancers using high affinity, lineage-specific Ep300 bioChIP-seq.” eLife 6 (1): e22039. doi:10.7554/eLife.22039. http://dx.doi.org/10.7554/eLife.22039.
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Abstract: Understanding the mechanisms that regulate cell type-specific transcriptional programs requires developing a lexicon of their genomic regulatory elements. We developed a lineage-selective method to map transcriptional enhancers, regulatory genomic regions that activate transcription, in mice. Since most tissue-specific enhancers are bound by the transcriptional co-activator Ep300, we used Cre-directed, lineage-specific Ep300 biotinylation and pulldown on immobilized streptavidin followed by next generation sequencing of co-precipitated DNA to identify lineage-specific enhancers. By driving this system with lineage-specific Cre transgenes, we mapped enhancers active in embryonic endothelial cells/blood or skeletal muscle. Analysis of these enhancers identified new transcription factor heterodimer motifs that likely regulate transcription in these lineages. Furthermore, we identified candidate enhancers that regulate adult heart- or lung- specific endothelial cell specialization. Our strategy for tissue-specific protein biotinylation opens new avenues for studying lineage-specific protein-DNA and protein-protein interactions. DOI: http://dx.doi.org/10.7554/eLife.22039.001
Published Version: doi:10.7554/eLife.22039
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5295818/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:31731675
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