Evidence map›Paper›PMID 15278288›Full record

ArticleCurrent genetics2004

Expression studies of GUP1 and GUP2, genes involved in glycerol active transport in Saccharomyces cerevisiae, using semi-quantitative RT-PCR.

Rui Oliveira, Cândida Lucas

Open access · goldAbstract readComparative Study
PubMed Publisher
In one paragraph

Article in Current genetics, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.5field-weighted citation impact, top 38% 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

6 citing papers in PubMed, 23 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

2 authors at 1 institution in 1 country.

Rui OliveiraDepartamento de Biologia Campus de Gualtar, Centro de Biologia da Universidade do Minho (CB-UM), Braga, Portugal.
Cândida Lucas
University of Minho · PT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glycerol active uptake in Saccharomyces cerevisiae, characterised physiologically as a proton symport, was previously described as repressed by glucose, induced by growth on non-fermentable carbon sources and unresponsive to growth under salt stress. GUP1 and GUP2 were identified and characterised as genes involved in glycerol active uptake. Using semi-quantitative RT-PCR, GUP1 and GUP2 transcription was measured. Unlike active transport activity determined previously, this was shown to be constitutive and not affected by either glucose repression or growth under salt stress. Furthermore, transcription of GUP1 and GUP2 was not affected in the gpd1gpd2 mutant strain grown under salt stress in the presence of small amounts of glycerol, in which case a very high Vmax of glycerol uptake was reported. Intracellular compounds were determined. Glycerol, acetate and trehalose were found to be the major compounds accumulated. Surprisingly, the gpd1gpd2 mutant was found to produce significant amounts of glycerol. Yet, the results provide no evidence for a correlation between the amount of each compound and the glycerol transport activity in any of the strains.

Indexed as

Gene Expression Regulation, FungalAcetatesBiological Transport, ActiveCarrier ProteinsDNA PrimersGlycerolMembrane ProteinsMembrane Transport ProteinsMutationReverse Transcriptase Polymerase Chain ReactionSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTrehaloseAcetatesCarrier ProteinsDNA PrimersGlycerolGup1 protein, S cerevisiaeGUP2 protein, S cerevisiaeMembrane ProteinsMembrane Transport ProteinsSaccharomyces cerevisiae ProteinsTrehalose

Identifiers

PMID15278288
OpenAlexW2040120147

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.