Evidence map›Paper›PMID 19704637›Full record

ArticlePlant signaling & behavior2008

How do plants respond to copper deficiency?

Hiroaki Yamasaki, Marinus Pilon, Toshiharu Shikanai

Open access · bronzeAbstract read
In one paragraph

Article in Plant signaling & behavior, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
1.3field-weighted citation impact, top 16% 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

17 citing papers in PubMed, 64 citations in OpenAlex.

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  5. Response of JuvenilePlants (Basel, Switzerland) · 2023
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  11. Transcriptome Analysis ofFrontiers in plant science · 2020
    Article
  12. Article
  13. Double genetically modified symbiotic system for improved Cu phytostabilization in legume roots.Environmental science and pollution research international · 2017
    Article
  14. Article
  15. Article
  16. Article
  17. Article
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

3 authors at 3 institutions in 3 countries.

Hiroaki YamasakiGraduate School of Agriculture; Kyushu University; Fukuoka, Japan.
Marinus Pilon
Toshiharu Shikanai
Colorado State University · USGraduate School USA · USKyushu University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The transition metal copper is essential for all organisms yet excess copper is toxic because of production of free radicals via its free form. Therefore, the levels of copper are precisely regulated in a cell. Under copper depleted conditions, the expression of Cu/Zn superoxide dismutase (SOD) is downregulated and its function is compensated by Fe SOD in chloroplasts of higher plants. We presented evidence that a microRNA, miR398, is involved in this downregulation of Cu/Zn SOD genes in Arabidopsis thaliana when grown at low copper levels, corresponding to less than 1 microM Cu in tissue culture media. However, a green alga, Chlamydomonas reinhardtii, adjusts to copper depletion by modifying the photosynthetic apparatus from copper containing plastocyanin to iron containing cytochrome c(6). During evolution plants modified one of the main strategies to respond to copper deficiency probably to adapt to different metal environments.

Indexed as

chloroplastcopperironmicroRNAplastocyaninsuperoxide dismutase

Identifiers

PMID19704637
PMCPMC2634185
OpenAlexW1992548910

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.