ArticleBMC plant biology2013
Dynamic compartment specific changes in glutathione and ascorbate levels in Arabidopsis plants exposed to different light intensities.
Article in BMC plant biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 104 citations in OpenAlex.
- Chloroplasts as ingredients for food: a review.Food & function · 2026Review
- Integrative analysis of transcriptome and metabolism reveals functional roles of redox homeostasis in low light and salt combined stress in Leymus chinensis.BMC genomics · 2025Article
- High-precision lighting for plants: monochromatic red laser diodes outperform LEDs in photosynthesis and plant growth.Frontiers in plant science · 2025Article
- The role of blue light in plant stress responses: modulation through photoreceptors and antioxidant mechanisms.Frontiers in plant science · 2025Review
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- A comprehensive assessment of photosynthetic acclimation to shade in C4 grass (Cynodon dactylon (L.) Pers.).BMC plant biology · 2024Article
- Comparative Bioactive Compounds and Mineral Properties of South African and LesothoPlants (Basel, Switzerland) · 2024Article
- Genome-wide association study unveils ascorbate regulation by PAS/LOV PROTEIN during high light acclimation.Plant physiology · 2023Article
- How do barley plants with impaired photosynthetic light acclimation survive under high-light stress?Planta · 2023Article
- The Protective Effect of Exogenous Ascorbic Acid on Photosystem Inhibition of Tomato Seedlings Induced by Salt Stress.Plants (Basel, Switzerland) · 2023Article
- The action of enhancing weak light capture via phototropic growth and chloroplast movement in plants.Stress biology · 2022Review
- Organelle-specific localization of glutathione in plants grown under different light intensities and spectra.Histochemistry and cell biology · 2022Review
- Light Intensity- and Spectrum-Dependent Redox Regulation of Plant Metabolism.Antioxidants (Basel, Switzerland) · 2022Review
- Metabolic engineering in food crops to enhance ascorbic acid production: crop biofortification perspectives for human health.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
- Transgenerational effect of UV-B priming on photochemistry and associated metabolism in rice seedlings subjected to PEG-induced osmotic stress.Photosynthetica · 2022Article
- Three-dimensional quantitative imaging of Tobacco mosaic virus and Zucchini yellow mosaic virus induced ultrastructural changes.Protoplasma · 2021Review
- Elevating Ascorbate in Arabidopsis Stimulates the Production of Abscisic Acid, Phaseic Acid, and to a Lesser Extent Auxin (IAA) and Jasmonates, Resulting in Increased Expression ofInternational journal of molecular sciences · 2021Article
- Comparison of Light Condition-Dependent Differences in the Accumulation and Subcellular Localization of Glutathione inInternational journal of molecular sciences · 2021Article
- Subcellular Roles of Glutathione in Mediating Plant Defense during Biotic Stress.Plants (Basel, Switzerland) · 2020Review
- Chloroplast avoidance movement: a novel paradigm of ROS signalling.Photosynthesis research · 2020Review
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundExcess light conditions induce the generation of reactive oxygen species (ROS) directly in the chloroplasts but also cause an accumulation and production of ROS in peroxisomes, cytosol and vacuoles. Antioxidants such as ascorbate and glutathione occur in all cell compartments where they detoxify ROS. In this study compartment specific changes in antioxidant levels and related enzymes were monitored among Arabidopsis wildtype plants and ascorbate and glutathione deficient mutants (vtc2-1 and pad2-1, respectively) exposed to different light intensities (50, 150 which was considered as control condition, 300, 700 and 1,500 μmol m(-2) s(-1)) for 4 h and 14 d.
resultsThe results revealed that wildtype plants reacted to short term exposure to excess light conditions with the accumulation of ascorbate and glutathione in chloroplasts, peroxisomes and the cytosol and an increased activity of catalase in the leaves. Long term exposure led to an accumulation of ascorbate and glutathione mainly in chloroplasts. In wildtype plants an accumulation of ascorbate and hydrogen peroxide (H2O2) could be observed in vacuoles when exposed to high light conditions. The pad2-1 mutant reacted to long term excess light exposure with an accumulation of ascorbate in peroxisomes whereas the vtc2-1 mutant reacted with an accumulation of glutathione in the chloroplasts (relative to the wildtype) and nuclei during long term high light conditions indicating an important role of these antioxidants in these cell compartments for the protection of the mutants against high light stress.
conclusionThe results obtained in this study demonstrate that the accumulation of ascorbate and glutathione in chloroplasts, peroxisomes and the cytosol is an important reaction of plants to short term high light stress. The accumulation of ascorbate and H2O2 along the tonoplast and in vacuoles during these conditions indicates an important route for H2O2 detoxification under these conditions.
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