Evidence map›Paper›PMID 9090886›Full record

ArticleThe Plant cell1997

A new class of plastidic phosphate translocators: a putative link between primary and secondary metabolism by the phosphoenolpyruvate/phosphate antiporter.

K Fischer, B Kammerer, M Gutensohn, B Arbinger, A Weber, R E Häusler, U I Flügge

Open access · bronzeAbstract read
In one paragraph

Article in The Plant cell, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.

0numbers the graph read from it
0cells of the map it votes in
79citing papers in PubMed
3.4field-weighted citation impact, top 7% 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

79 citing papers in PubMed, 242 citations in OpenAlex.

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  15. What Matters for CFrontiers in plant science · 2020
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19 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

7 authors at 1 institution in 1 country.

K FischerBotanisches Institut, Universität zu Köln, Germany.
B Kammerer
M Gutensohn
B Arbinger
A Weber
R E Häusler
U I Flügge
University of Cologne · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have purified a plastidic phosphate transport protein from maize endosperm membranes and cloned and sequenced the corresponding cDNAs from maize endosperm, maize roots, cauliflower buds, tobacco leaves, and Arabidopsis leaves. All of these cDNAs exhibit high homology to each other but only approximately 30% identity to the known chloroplast triose phosphate/phosphate translocators. The corresponding genes are expressed in both photosynthetically active tissues and in nongreen tissues, although transcripts were more abundant in nongreen tissues. Expression of the coding region in transformed yeast cells and subsequent transport measurements of the purified recombinant translocator showed that the protein mediates transport of inorganic phosphate in exchange with C3 compounds phosphorylated at C-atom 2, particularly phosphoenolpyruvate, which is required inside the plastids for the synthesis of, for example, aromatic amino acids. This plastidic phosphate transporter is thus different in structure and function from the known triose phosphate/phosphate translocator. We propose that plastids contain various phosphate translocators with overlapping substrate specificities to ensure an efficient supply of plastids with a single substrate, even in the presence of other phosphorylated metabolites.

Indexed as

Amino Acid SequenceAntiportersArabidopsisBrassicaCloning, MolecularDNA, ComplementaryGenes, PlantMolecular Sequence DataNicotianaPhosphatesPhosphoenolpyruvatePhotosynthesisPlant LeavesPlant RootsPlantsPlants, ToxicAntiportersDNA, ComplementaryPhosphatesPhosphoenolpyruvate

Identifiers

PMID9090886
PMCPMC156930
OpenAlexW2100309893

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.