ArticleNucleic acids research2019
RNA polymerase II plays an active role in the formation of gene loops through the Rpb4 subunit.
Article in Nucleic acids research, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 46 citations in OpenAlex.
- Spt5's central KOW domains and the Pol II stalk collaborate to regulate chromatin and 3'-end processing in Saccharomyces cerevisiae.G3 (Bethesda, Md.) · 2026Article
- Protein-interaction network analysis reveals the role of Prp19 splicing factor in transcription of both intron-containing and intron-lacking genes.PLoS genetics · 2026Article
- MYC Binding Near Transcriptional End Sites Regulates Basal Gene Expression, Read-Through Transcription, and Intragenic Contacts.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- CREPT is required for the metastasis of triple-negative breast cancer through a co-operational-chromatin loop-based gene regulation.Molecular cancer · 2025Article
- CTDP1 and RPB7 stabilize Pol II and permit reinitiation.Nature communications · 2025Article
- The general transcription factors (GTFs) of RNA polymerase II and their roles in plant development and stress responses.Critical reviews in biochemistry and molecular biology · 2024Review
- TFIIB-Termination Factor Interaction Affects Termination of Transcription on Genome-Wide Scale.International journal of molecular sciences · 2024Article
- Genome-wide analysis of TFIIB's role in termination of transcription.Research square · 2024Article
- Protein interaction network revealed by quantitative proteomic analysis links TFIIB to multiple aspects of the transcription cycle.Biochimica et biophysica acta. Proteins and proteomics · 2024Article
- Ssu72: a versatile protein with functions in transcription and beyond.Frontiers in molecular biosciences · 2024Review
- A direct interaction between CPF and RNA Pol II links RNA 3' end processing to transcription.Molecular cell · 2023Article
- Never a dull enzyme, RNA polymerase II.Transcription · 2023Review
- Article
- The Association of Rpb4 with RNA Polymerase II Depends on CTD Ser5P Phosphatase Rtr1 and Influences mRNA Decay inInternational journal of molecular sciences · 2022Article
- Beyond the canonical role of TFIIB in eukaryotic transcription.Current genetics · 2022Review
- Cell Cycle-Dependent Transcription: The Cyclin Dependent Kinase Cdk1 Is a Direct Regulator of Basal Transcription Machineries.International journal of molecular sciences · 2022Review
- CFIm25 regulates human stem cell function independently of its role in mRNA alternative polyadenylation.RNA biology · 2022Article
- Rpb4 and Puf3 imprint and post-transcriptionally control the stability of a common set of mRNAs in yeast.RNA biology · 2021Article
- Chromatin architectural proteins regulate flowering time by precluding gene looping.Science advances · 2021Article
- Boosting Detection of Low-Abundance Proteins in Thermal Proteome Profiling Experiments by Addition of an Isobaric Trigger Channel to TMT Multiplexes.Analytical chemistry · 2021Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gene loops are formed by the interaction of initiation and termination factors occupying the distal ends of a gene during transcription. RNAPII is believed to affect gene looping indirectly owing to its essential role in transcription. The results presented here, however, demonstrate a direct role of RNAPII in gene looping through the Rpb4 subunit. 3C analysis revealed that gene looping is abolished in the rpb4Δ mutant. In contrast to the other looping-defective mutants, rpb4Δ cells do not exhibit a transcription termination defect. RPB4 overexpression, however, rescued the transcription termination and gene looping defect of sua7-1, a mutant of TFIIB. Furthermore, RPB4 overexpression rescued the ssu72-2 gene looping defect, while SSU72 overexpression restored the formation of gene loops in rpb4Δ cells. Interestingly, the interaction of TFIIB with Ssu72 is compromised in rpb4Δ cells. These results suggest that the TFIIB-Ssu72 interaction, which is critical for gene loop formation, is facilitated by Rpb4. We propose that Rpb4 is promoting the transfer of RNAPII from the terminator to the promoter for reinitiation of transcription through TFIIB-Ssu72 mediated gene looping.
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