ArticlePlanta2014
Glutathione and transpiration as key factors conditioning oxidative stress in Arabidopsis thaliana exposed to uranium.
Article in Planta, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 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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Who cites it
8 citing papers in PubMed, 39 citations in OpenAlex.
- Review
- Potential role of tocopherol in protecting crop plants against abiotic stresses.Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Review
- Soil Contamination with Europium Induces Reduced Oxidative Damage inPlants (Basel, Switzerland) · 2023Article
- Ultrafast laser filament-induced fluorescence for detecting uranium stress in Chlamydomonas reinhardtii.Scientific reports · 2022Article
- Uranium accumulation and its phytotoxicity symptoms in Pisum sativum L.Environmental science and pollution research international · 2020Article
- Differential Regulation of Stomatal Conductance as a Strategy to Cope With Ammonium Fertilizer Under Ambient Versus Elevated COFrontiers in plant science · 2019Article
- Investigation of low-levelEnvironmental science and pollution research international · 2017Article
- Induction of Oxidative Stress and Antioxidative Mechanisms in Arabidopsis thaliana after Uranium Exposure at pH 7.5.International journal of molecular sciences · 2015Article
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Although oxidative stress has been previously described in plants exposed to uranium (U), some uncertainty remains about the role of glutathione and tocopherol availability in the different responsiveness of plants to photo-oxidative damage. Moreover, in most cases, little consideration is given to the role of water transport in shoot heavy metal accumulation. Here, we investigated the effect of uranyl nitrate exposure (50 μM) on PSII and parameters involved in water transport (leaf transpiration and aquaporin gene expression) of Arabidopsis wild type (WT) and mutant plants that are deficient in tocopherol (vte1: null α/γ-tocopherol and vte4: null α-tocopherol) and glutathione biosynthesis (high content: cad1.3 and low content: cad2.1). We show how U exposure induced photosynthetic inhibition that entailed an electron sink/source imbalance that caused PSII photoinhibition in the mutants. The WT was the only line where U did not damage PSII. The increase in energy thermal dissipation observed in all the plants exposed to U did not avoid photo-oxidative damage of mutants. The maintenance of control of glutathione and malondialdehyde contents probed to be target points for the overcoming of photoinhibition in the WT. The relationship between leaf U content and leaf transpiration confirmed the relevance of water transport in heavy metals partitioning and accumulation in leaves, with the consequent implication of susceptibility to oxidative stress.
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Registered trials
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