Evidence map›Paper›PMID 23275552›Full record

ArticleNucleic acids research2013

CTD serine-2 plays a critical role in splicing and termination factor recruitment to RNA polymerase II in vivo.

Bo Gu, Dirk Eick, Olivier Bensaude

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers.

0numbers the graph read from it
0cells of the map it votes in
75citing papers in PubMed
3.6field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

75 citing papers in PubMed, 114 citations in OpenAlex.

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15 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 2 institutions in 2 countries.

Bo GuEcole Normale Supérieure, IBENS, 46, rue d'Ulm, Paris 75005, France.
Dirk Eick
Olivier Bensaude
Centre National de la Recherche Scientifique · FRInstitut de Biologie de l'École Normale Supérieure · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Co-transcriptional pre-mRNA processing relies on reversible phosphorylation of the carboxyl-terminal domain (CTD) of Rpb1, the largest subunit of RNA polymerase II (RNAP II). In this study, we replaced in live cells the endogenous Rpb1 by S2A Rpb1, where the second serines (Ser2) in the CTD heptapeptide repeats were switched to alanines, to prevent phosphorylation. Although slower, S2A RNAP II was able to transcribe. However, it failed to recruit splicing components such as U2AF65 and U2 snRNA to transcription sites, although the recruitment of U1 snRNA was not affected. As a consequence, co-transcriptional splicing was impaired. Interestingly, the magnitude of the S2A RNAP II splicing defect was promoter dependent. In addition, S2A RNAP II showed an impaired recruitment of the cleavage factor PCF11 to pre-mRNA and a defect in 3'-end RNA cleavage. These results suggest that CTD Ser2 plays critical roles in co-transcriptional pre-mRNA maturation in vivo: It likely recruits U2AF65 to ensure an efficient co-transcriptional splicing and facilitates the recruitment of pre-mRNA 3'-end processing factors to enhance 3'-end cleavage.

Indexed as

RNA 3' End ProcessingRNA SplicingAlanineAmino Acid SubstitutionCell LineHumansmRNA Cleavage and Polyadenylation FactorsNuclear ProteinsPromoter Regions, GeneticProtein Structure, TertiaryProtein SubunitsProto-Oncogene Proteins c-fosRibonucleoproteinsRNA CleavageRNA Polymerase IIRNA, Small NuclearAlaninemRNA Cleavage and Polyadenylation FactorsNuclear ProteinsProtein SubunitsProto-Oncogene Proteins c-fosRibonucleoproteinsRNA Polymerase IIRNA, Small NuclearSerineSplicing Factor U2AFU1 small nuclear RNAU2AF2 protein, humanU2 small nuclear RNA

Identifiers

PMID23275552
PMCPMC3561981
OpenAlexW2116313207

What OpenQuestion holds

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LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.