Evidence map›Paper›PMID 17170709›Full record

ArticleThe EMBO journal2007

Membrane potential governs lateral segregation of plasma membrane proteins and lipids in yeast.

Guido Grossmann, Miroslava Opekarová, Jan Malinsky, Ina Weig-Meckl, Widmar Tanner

Open access · hybridAbstract read
In one paragraph

Article in The EMBO journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 134 papers.

0numbers the graph read from it
0cells of the map it votes in
134citing papers in PubMed
4.7field-weighted citation impact, top 4% 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

134 citing papers in PubMed, 263 citations in OpenAlex.

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74 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

5 authors at 3 institutions in 2 countries.

Guido GrossmannUniversity of Regensburg, Cell Biology and Plant Physiology, Regensburg, Germany.
Miroslava Opekarová
Jan Malinsky
Ina Weig-Meckl
Widmar Tanner
University of Regensburg · DECzech Academy of Sciences · CZCzech Academy of Sciences, Institute of Experimental Medicine · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The plasma membrane potential is mainly considered as the driving force for ion and nutrient translocation. Using the yeast Saccharomyces cerevisiae as a model organism, we have discovered a novel role of the membrane potential in the organization of the plasma membrane. Within the yeast plasma membrane, two non-overlapping sub-compartments can be visualized. The first one, represented by a network-like structure, is occupied by the proton ATPase, Pma1, and the second one, forming 300-nm patches, houses a number of proton symporters (Can1, Fur4, Tat2 and HUP1) and Sur7, a component of the recently described eisosomes. Evidence is presented that sterols, the main lipid constituent of the plasma membrane, also accumulate within the patchy compartment. It is documented that this compartmentation is highly dependent on the energization of the membrane. Plasma membrane depolarization causes reversible dispersion of the H(+)-symporters, not however of the Sur7 protein. Mitochondrial mutants, affected in plasma membrane energization, show a significantly lower degree of membrane protein segregation. In accordance with these observations, depolarized membranes also considerably change their physical properties (detergent sensitivity).

Indexed as

Membrane PotentialsBiological TransportCell MembraneDetergentsErgosterolGenes, FungalMembrane LipidsMembrane MicrodomainsMembrane ProteinsProtonsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsSterolsDetergentsErgosterolMembrane LipidsMembrane ProteinsProtonsSaccharomyces cerevisiae ProteinsSterolsSUR7 protein, S cerevisiae

Identifiers

PMID17170709
PMCPMC1782361
OpenAlexW2122250742

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.