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Updated: May 28, 2025

Analysis of Termination of Transcription Using BrUTP-strand-specific Transcription Run-on TRO Approach
Published on: March 12, 2017
Promoter-proximal RNA polymerase II termination regulates transcription during human cell type transition
Kseniia Lysakovskaia1, Arjun Devadas1, Björn Schwalb1
1Department of Molecular Biology, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.
Promoter-proximal termination of RNA polymerase II (Pol II) plays a key role in regulating gene transcription during human cell transitions. This process influences both gene upregulation and downregulation by affecting initiation frequency and termination rates.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- Gene transcription in metazoans is primarily regulated at the promoter-proximal region.
- RNA polymerase II (Pol II) can terminate transcription within this region, but its regulatory role in cells is not fully understood.
Purpose of the Study:
- To investigate the contribution of promoter-proximal termination to gene transcription regulation during human cell type transitions.
- To quantify changes in transcription kinetics, including initiation and termination, using multiomics analysis.
Main Methods:
- Extended previous multiomics analysis to quantify transcription kinetics.
- Analyzed changes in gene transcription during a human cell type transition event.
Main Results:
- Gene upregulation correlated with increased initiation frequency and decreased promoter-proximal termination.
- Gene downregulation correlated with decreased initiation frequency and increased promoter-proximal termination.
Conclusions:
- Promoter-proximal termination of Pol II is a significant mechanism for regulating human gene transcription.
- This regulatory role is evident during dynamic cellular processes like cell type transitions.
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