Kinetic competition between elongation rate and binding of NELF controls promoter-proximal pausing

Jian Li, Yingyun Liu, Ho Sung Rhee, Saikat Kumar B. Ghosh, Lu Bai, Benjamin Franklin Pugh, David Scott Gilmour

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

Pausing of RNA polymerase II (Pol II) 20-60bp downstream of transcription start sites is a major checkpoint during transcription in animal cells. Mechanisms that control pausing are largely unknown. We developed permanganate-ChIP-seq to evaluate the state of Pol II at promoters throughout the Drosophila genome, and a biochemical system that reconstitutes promoter-proximal pausing to define pausing mechanisms. Stable open complexes of Pol II are largely absent from the transcription start sites of most mRNA genes but are present at snRNA genes and the highly transcribed heat shock genes following their induction. The location of the pause is influenced by the timing between when NELF loads onto Pol II and how fast Pol II escapes the promoterregion. Our biochemical analysis reveals that thesequence-specific transcription factor, GAF, orchestrates efficient pausing by recruiting NELF to promoters before transcription initiation and by assisting in loading NELF onto Pol II after initiation.

Original languageEnglish (US)
Pages (from-to)711-722
Number of pages12
JournalMolecular cell
Volume50
Issue number5
DOIs
StatePublished - Jun 6 2013

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Transcription Initiation Site
Genes
Small Nuclear RNA
RNA Polymerase II
Drosophila
Shock
Transcription Factors
Hot Temperature
Genome
Messenger RNA
permanganic acid

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Cell Biology

Cite this

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abstract = "Pausing of RNA polymerase II (Pol II) 20-60bp downstream of transcription start sites is a major checkpoint during transcription in animal cells. Mechanisms that control pausing are largely unknown. We developed permanganate-ChIP-seq to evaluate the state of Pol II at promoters throughout the Drosophila genome, and a biochemical system that reconstitutes promoter-proximal pausing to define pausing mechanisms. Stable open complexes of Pol II are largely absent from the transcription start sites of most mRNA genes but are present at snRNA genes and the highly transcribed heat shock genes following their induction. The location of the pause is influenced by the timing between when NELF loads onto Pol II and how fast Pol II escapes the promoterregion. Our biochemical analysis reveals that thesequence-specific transcription factor, GAF, orchestrates efficient pausing by recruiting NELF to promoters before transcription initiation and by assisting in loading NELF onto Pol II after initiation.",
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Kinetic competition between elongation rate and binding of NELF controls promoter-proximal pausing. / Li, Jian; Liu, Yingyun; Rhee, Ho Sung; Ghosh, Saikat Kumar B.; Bai, Lu; Pugh, Benjamin Franklin; Gilmour, David Scott.

In: Molecular cell, Vol. 50, No. 5, 06.06.2013, p. 711-722.

Research output: Contribution to journalArticle

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