Evidence map›Paper›PMID 18716630›Full record

ArticleThe EMBO journal2008

Mutations of RNA polymerase II activate key genes of the nucleoside triphosphate biosynthetic pathways.

Marta Kwapisz, Maxime Wery, Daphné Després, Yad Ghavi-Helm, Julie Soutourina, Pierre Thuriaux, François Lacroute

Open access · greenAbstract read
In one paragraph

Article in The EMBO journal, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.8field-weighted citation impact, top 16% 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

25 citing papers in PubMed, 37 citations in OpenAlex.

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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

7 authors at 3 institutions in 1 country.

Marta KwapiszCEA, iBiTec-S, Service de Biologie Intégrative et Génétique Moléculaire, Gif-sur-Yvette, France.
Maxime Wery
Daphné Després
Yad Ghavi-Helm
Julie Soutourina
Pierre Thuriaux
François Lacroute
Institut de Biologie et Technologies · FRCentre National de la Recherche Scientifique · FRCommissariat à l'Énergie Atomique et aux Énergies Alternatives · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The yeast URA2 gene, encoding the rate-limiting enzyme of UTP biosynthesis, is transcriptionally activated by UTP shortage. In contrast to other genes of the UTP pathway, this activation is not governed by the Ppr1 activator. Moreover, it is not due to an increased recruitment of RNA polymerase II at the URA2 promoter, but to its much more effective progression beyond the URA2 mRNA start site(s). Regulatory mutants constitutively expressing URA2 resulted from cis-acting deletions upstream of the transcription initiator region, or from amino-acid replacements altering the RNA polymerase II Switch 1 loop domain, such as rpb1-L1397S. These two mutation classes allowed RNA polymerase to progress downstream of the URA2 mRNA start site(s). rpb1-L1397S had similar effects on IMD2 (IMP dehydrogenase) and URA8 (CTP synthase), and thus specifically activated the rate-limiting steps of UTP, GTP and CTP biosynthesis. These data suggest that the Switch 1 loop of RNA polymerase II, located at the downstream end of the transcription bubble, may operate as a specific sensor of the nucleoside triphosphates available for transcription.

Indexed as

Gene Expression RegulationMutationAspartate CarbamoyltransferaseBinding SitesCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)DNA-Binding ProteinsFungal ProteinsGene Expression Regulation, FungalIMP DehydrogenaseModels, BiologicalNucleosidesPromoter Regions, GeneticRNA Polymerase IISaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTranscription FactorsAspartate CarbamoyltransferaseCarbamoyl-Phosphate Synthase (Glutamine-Hydrolyzing)DNA-Binding ProteinsFungal ProteinsIMD2 protein, S cerevisiaeIMP DehydrogenaseNucleosidesPPR1 protein, S cerevisiaeRNA Polymerase IISaccharomyces cerevisiae ProteinsTranscription FactorsURA2 protein, S cerevisiae

Identifiers

PMID18716630
PMCPMC2525842
OpenAlexW2073342442

What OpenQuestion holds

Textmetadata
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.