ArticleJournal of plant research2014
Oxygen deficit alleviates phosphate overaccumulation toxicity in OsPHR2 overexpression plants.
Article in Journal of plant research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
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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.
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Who cites it
5 citing papers in PubMed.
- Arbuscular Mycorrhizal Fungi-Mediated Reconfiguration of Poplar Leaf C-N-P Metabolic Networks: Environment-Dependent Synergies and Nutrient Interactions.Journal of fungi (Basel, Switzerland) · 2026Article
- Decoding the ZmNF-YC1-ZmAPRG pathway for phosphorus efficiency.Frontiers in plant science · 2025Article
- Transgenic expression of rice OsPHR2 increases phosphorus uptake and yield in wheat.Protoplasma · 2022Article
- Positive interactions of major-effect QTLs with genetic background that enhances rice yield under drought.Scientific reports · 2018Article
- Mutation of OsGIGANTEA Leads to Enhanced Tolerance to Polyethylene Glycol-Generated Osmotic Stress in Rice.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Overexpression of OsPHR2 increases phosphate (Pi) uptake and causes overaccumulation of Pi in rice plants, which is toxic to rice plants when they are grown in media with a sufficient Pi supply. The toxicity that results from OsPHR2 overexpression can be significantly relieved by growing the plants in a waterlogged paddy field. A comparison of the Pi uptake and growth status of OsPHR2-overexpression plants (PHR2-Oe plants) grown in paddy fields or in a laboratory setting in aerated or stagnant hydroponic conditions indicated that the oxygen limitation that is present in paddy fields and in stagnant rice culture solutions inhibits the Pi overaccumulation toxicity of PHR2-Oe plants by reducing their Pi uptake. Quantitative RT-PCR demonstrated that the expression of Pi-starvation-induced (PSI) genes was induced by oxygen limitation in both wild-type and PHR2-Oe plants. The induction of PSI genes is the consequence of reducing the Pi concentration in stagnant plants. Thus, when evaluating the efficiency of Pi use in rice germplasm or transgenic materials under hydroponic conditions, the impact of the low oxygen condition that exists in waterlogged paddies should be considered.
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Registered trials
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