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Koch, F.* ; Fenouil, R.* ; Gut, M.* ; Cauchy, P.* ; Albert, T.K.* ; Zacarias-Cabeza, J.* ; Spicuglia, S.* ; de la Chapelle, A.L.* ; Heidemann, M. ; Hintermair, C. ; Eick, D. ; Gut, I.* ; Ferrier, P.* ; Andrau, J.C.*

Transcription initiation platforms and GTF recruitment at tissue-specific enhancers and promoters.

Nat. Struct. Mol. Biol. 18, 956-963 (2011)
Verlagsversion DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Recent work has shown that RNA polymerase (Pol) II can be recruited to and transcribe distal regulatory regions. Here we analyzed transcription initiation and elongation through genome-wide localization of Pol II, general transcription factors (GTFs) and active chromatin in developing T cells. We show that Pol II and GTFs are recruited to known T cell-specific enhancers. We extend this observation to many new putative enhancers, a majority of which can be transcribed with or without polyadenylation. Importantly, we also identify genomic features called transcriptional initiation platforms (TIPs) that are characterized by large areas of Pol II and GTF recruitment at promoters, intergenic and intragenic regions. TIPs show variable widths (0.4-10 kb) and correlate with high CpG content and increased tissue specificity at promoters. Finally, we also report differential recruitment of TFIID and other GTFs at promoters and enhancers. Overall, we propose that TIPs represent important new regulatory hallmarks of the genome.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter RNA-polymerase-II; Cell-specific enhancer; Genome-wide analysis; Gene-expression; T-Cells; Regulatory elements; Locus; Activation; Chromatin; Identification
ISSN (print) / ISBN 1545-9993
e-ISSN 1545-9985
Quellenangaben Band: 18, Heft: 8, Seiten: 956-963 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed