Evidence map›Paper›PMID 25123508›Full record

ArticleGenetics2014

The switch from fermentation to respiration in Saccharomyces cerevisiae is regulated by the Ert1 transcriptional activator/repressor.

Najla Gasmi, Pierre-Etienne Jacques, Natalia Klimova, Xiao Guo, Alessandra Ricciardi, François Robert, Bernard Turcotte

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 22% 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

24 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.

  1. Pooled it
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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.

Najla GasmiDepartment of Biochemistry, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1.
Pierre-Etienne JacquesInstitut de recherches cliniques de Montréal, Montréal, QC, Canada H2W 1R7.
Natalia KlimovaInstitut de recherches cliniques de Montréal, Montréal, QC, Canada H2W 1R7.
Xiao GuoDepartment of Microbiology and Immunology, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1.
Alessandra RicciardiDepartment of Microbiology and Immunology, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1.
François RobertInstitut de recherches cliniques de Montréal, Montréal, QC, Canada H2W 1R7 Département de Médecine, Faculté de Médecine, Université de Montréal, QC, Canada H3C 3J7.
Bernard TurcotteDepartment of Biochemistry, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1 Department of Medicine, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1 Department of Microbiology and Immunology, McGill University Health Centre, McGill University, Montreal, QC, Canada H3A 1A1 bernard.turcotte@mcgill.ca.
McGill University Health Centre · CAMontreal Clinical Research Institute · CAUniversité de Montréal · CA

Funding

Canadian Institutes of Health Research 82891
6 · The paper itself

Abstract

In the yeast Saccharomyces cerevisiae, fermentation is the major pathway for energy production, even under aerobic conditions. However, when glucose becomes scarce, ethanol produced during fermentation is used as a carbon source, requiring a shift to respiration. This adaptation results in massive reprogramming of gene expression. Increased expression of genes for gluconeogenesis and the glyoxylate cycle is observed upon a shift to ethanol and, conversely, expression of some fermentation genes is reduced. The zinc cluster proteins Cat8, Sip4, and Rds2, as well as Adr1, have been shown to mediate this reprogramming of gene expression. In this study, we have characterized the gene YBR239C encoding a putative zinc cluster protein and it was named ERT1 (ethanol regulated transcription factor 1). ChIP-chip analysis showed that Ert1 binds to a limited number of targets in the presence of glucose. The strongest enrichment was observed at the promoter of PCK1 encoding an important gluconeogenic enzyme. With ethanol as the carbon source, enrichment was observed with many additional genes involved in gluconeogenesis and mitochondrial function. Use of lacZ reporters and quantitative RT-PCR analyses demonstrated that Ert1 regulates expression of its target genes in a manner that is highly redundant with other regulators of gluconeogenesis. Interestingly, in the presence of ethanol, Ert1 is a repressor of PDC1 encoding an important enzyme for fermentation. We also show that Ert1 binds directly to the PCK1 and PDC1 promoters. In summary, Ert1 is a novel factor involved in the regulation of gluconeogenesis as well as a key fermentation gene.

Indexed as

FermentationGene Expression Regulation, FungalBase SequenceBinding SitesFructose-BisphosphataseGene OntologyGluconeogenesisMutationPhosphoenolpyruvate Carboxykinase (GTP)Promoter Regions, GeneticProtein BindingSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTranscription FactorsErt1 protein, S cerevisiaeFBP1 protein, S cerevisiaeFructose-BisphosphatasePhosphoenolpyruvate Carboxykinase (GTP)Saccharomyces cerevisiae ProteinsTranscription FactorsfermentationgluconeogenesisSaccharomyces cerevisiaetranscriptional regulatorzinc cluster proteins

Identifiers

PMID25123508
PMCPMC4196612
OpenAlexW2146403889

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.