Evidence map›Paper›PMID 20363944›Full record

ArticleJournal of bacteriology2010

Biochemical characterization of the C4-dicarboxylate transporter DctA from Bacillus subtilis.

Maarten Groeneveld, Ruud G J Detert Oude Weme, Ria H Duurkens, Dirk Jan Slotboom

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.9field-weighted citation impact, top 15% 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

22 citing papers in PubMed, 34 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

4 authors at 2 institutions in 2 countries.

Maarten GroeneveldDepartment of Biochemistry, University of Groningen, Groningen Biomolecular Science and Biotechnology Institute, Nijenborgh 4, 9747 AG Groningen, Netherlands.
Ruud G J Detert Oude Weme
Ria H Duurkens
Dirk Jan Slotboom
University of Groningen · NLInstitute of Molecular Life Sciences · HU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bacterial secondary transporters of the DctA family mediate ion-coupled uptake of C(4)-dicarboxylates. Here, we have expressed the DctA homologue from Bacillus subtilis in the Gram-positive bacterium Lactococcus lactis. Transport of dicarboxylates in vitro in isolated membrane vesicles was assayed. We determined the substrate specificity, the type of cotransported ions, the electrogenic nature of transport, and the pH and temperature dependence patterns. DctA was found to catalyze proton-coupled symport of the four C(4)-dicarboxylates from the Krebs cycle (succinate, fumurate, malate, and oxaloacetate) but not of other mono- and dicarboxylates. Because (i) succinate-proton symport was electrogenic (stimulated by an internal negative membrane potential) and (ii) the divalent anionic form of succinate was recognized by DctA, at least three protons must be cotransported with succinate. The results were interpreted in the light of the crystal structure of the homologous aspartate transporter Glt(Ph) from Pyrococcus horikoshii.

Indexed as

Bacillus subtilisBacterial ProteinsBiological TransportDicarboxylic AcidsDicarboxylic Acid TransportersFumaratesGene Expression Regulation, BacterialHydrogen-Ion ConcentrationMalatesSubstrate SpecificitySuccinatesTemperatureBacterial ProteinsDicarboxylic AcidsDicarboxylic Acid TransportersFumaratesMalatesmalic acidSuccinates

Identifiers

PMID20363944
PMCPMC2876488
OpenAlexW2119386959

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.