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Abe, K. ; Schauer, T. ; Torres-Padilla, M.E.

Distinct patterns of RNA polymerase II and transcriptional elongation characterize mammalian genome activation.

Cell Rep. 41:111865 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
How transcription is regulated as development commences is fundamental to understand how the transcriptionally silent mature gametes are reprogrammed. The embryonic genome is activated for the first time during zygotic genome activation (ZGA). How RNA polymerase II (Pol II) and productive elongation are regulated during this process remains elusive. Here, we generate genome-wide maps of Serine 5 and Serine 2-phosphorylated Pol II during and after ZGA in mouse embryos. We find that both phosphorylated Pol II forms display similar distributions across genes during ZGA, with typical elongation enrichment of Pol II emerging after ZGA. Serine 2-phosphorylated Pol II occurs at genes prior to their activation, suggesting that Serine 2 phosphorylation may prime gene expression. Functional perturbations demonstrate that CDK9 and SPT5 are major ZGA regulators and that SPT5 prevents precocious activation of some genes. Overall, our work sheds molecular insights into transcriptional regulation at the beginning of mammalian development.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Cdk9 ; Cp: Developmental Biology ; Cp: Molecular Biology ; Embryonic Transcription ; Genome Activation ; Mouse Embryo ; Rna Polymerase ; Spt5 ; Transcriptional Elongation ; Zga; Gene-expression; In-vivo; Mouse Oocytes; Muerv-l; Chromatin; Cells; Seq; Spt5; Degradation; Termination
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 2211-1247
e-ISSN 2211-1247
Zeitschrift Cell Reports
Quellenangaben Band: 41, Heft: 13, Seiten: , Artikelnummer: 111865 Supplement: ,
Verlag Cell Press
Verlagsort 50 Hampshire St, Floor 5, Cambridge, Ma 02139 Usa
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epigenetics and Stem Cells (IES)
POF Topic(s) 30204 - Cell Programming and Repair
Forschungsfeld(er) Stem Cell and Neuroscience
PSP-Element(e) G-506200-001
Förderungen DFG
Helmholtz Association
Uehara Foundation
DOI 10.1016/j.celrep.2022.111865
WOS ID 000944541600001
Scopus ID 85144470510
PubMed ID 36577375
Erfassungsdatum 2023-01-11
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