Evidence map›Paper›PMID 8000010›Full record

ArticlePlant molecular biology1994

Isolation and characterization of P-type H(+)-ATPase genes from potato.

K Harms, R V Wöhner, B Schulz, W B Frommer

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Plant molecular biology, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
5.1field-weighted citation impact, top 5% 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

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 64 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 1 institution in 1 country.

K HarmsInstitut für Genbiologische Forschung, Berlin, FRG.
R V Wöhner
B Schulz
W B Frommer
Institut für biologische Forschung · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

H(+)-ATPase cDNAs were identified in a potato leaf library using an Arabidopsis gene as a probe. Based on their sequences, the clones could be grouped into at least two classes. A similar classification was obtained from the analysis of sequence data from four tobacco genes. Both potato genes are expressed in all tissues analysed, higher levels of expression were found in leaves and stem than in roots and tubers. For both genes, no significant differences in level of expression could be detected under a variety of conditions such as cold treatment, anaerobiosis, sucrose induction or treatment with a synthetic cytokinin. Only 2,4-D and prolonged periods of darkness lead to a slight reduction in mRNA levels. The reduction in darkness was compensated after transfer of the plants back into the light. Expression of the ATPase genes remained constant in transgenic plants which are inhibited in phloem loading due to antisense inhibition of the sucrose transporter. On the other hand, expression of the sucrose transporter is inducible by auxin and cytokinin but not by sucrose. Taken together, these data suggest that at least the two plasma membrane H(+)-ATPase genes analysed are rather constant in their expression and that either other genes respond to external stimuli or that most of the regulation occurs at the posttranscriptional level.

Indexed as

Amino Acid SequenceBase SequenceBiological TransportBlotting, NorthernBlotting, SouthernChromosome MappingCloning, MolecularDNA, ComplementaryGene ExpressionGene LibraryGenes, PlantMolecular Sequence DataPlant LeavesProton-Translocating ATPasesSelection, GeneticSequence Homology, Amino AcidDNA, ComplementaryProton-Translocating ATPasesSucrose

Identifiers

PMID8000010
OpenAlexW2046812247

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.