ArticleAntioxidants (Basel, Switzerland)2023
Stromal Ascorbate Peroxidase (
Article in Antioxidants (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 24 citations in OpenAlex.
- Molecular basis of drought tolerance in Rosa xanthina: an integrated analysis of physiology, transcriptome, and NAC transcription factor.BMC genomics · 2026Article
- Proteomic analysis of proteins responsive to drought stress in barley.BMC plant biology · 2026Article
- Molecular Mechanisms and Crosstalk Signaling in Soybean's Response to Water Deficit and Excess: Implications for Stress Resilience and Productivity.Plants (Basel, Switzerland) · 2025Article
- Ascorbic Acid Priming Boosts Cotton Seed Chilling Tolerance via Membrane Stability and Antioxidant Cycles.Plants (Basel, Switzerland) · 2025Article
- Protein networks: integrating pathways for plant heat stress adaptation.Functional & integrative genomics · 2025Review
- Review
- Integrative RNA-seq and ATAC-seq analysis unveils antioxidant defense mechanisms in salt-tolerant rice variety Pokkali.BMC plant biology · 2025Article
- The overexpression ofMolecular breeding : new strategies in plant improvement · 2025Article
- Glucosinolates Mediated Regulation of Enzymatic Activity in Response to Oxidative Stress inPlants (Basel, Switzerland) · 2024Review
- Drought Tolerance in Plants: Physiological and Molecular Responses.Plants (Basel, Switzerland) · 2024Review
- Biochemical and Functional Profiling of Thioredoxin-Dependent Cytosolic GPX-like Proteins inBiomolecules · 2024Article
- The coat protein of citrus yellow vein clearing virus directly targets the ascorbate peroxidase 1 in lemon (ClAPX1) to facilitate virus accumulation.Frontiers in plant science · 2023Article
Corrections and comments
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Authors and funding
14 authors at 6 institutions in 4 countries.
Funding
Abstract
Chloroplast ascorbate peroxidases exert an important role in the maintenance of hydrogen peroxide levels in chloroplasts by using ascorbate as the specific electron donor. In this work, we performed a functional study of the stromal APX in rice (OsAPX7) and demonstrated that silencing of OsAPX7 did not impact plant growth, redox state, or photosynthesis parameters. Nevertheless, when subjected to drought stress, silenced plants (APX7i) show a higher capacity to maintain stomata aperture and photosynthesis performance, resulting in a higher tolerance when compared to non-transformed plants. RNA-seq analyses indicate that the silencing of OsAPX7 did not lead to changes in the global expression of genes related to reactive oxygen species metabolism. In addition, the drought-mediated induction of several genes related to the proteasome pathway and the down-regulation of genes related to nitrogen and carotenoid metabolism was impaired in APX7i plants. During drought stress, APX7i showed an up-regulation of genes encoding flavonoid and tyrosine metabolism enzymes and a down-regulation of genes related to phytohormones signal transduction and nicotinate and nicotinamide metabolism. Our results demonstrate that OsAPX7 might be involved in signaling transduction pathways related to drought stress response, contributing to the understanding of the physiological role of chloroplast APX isoforms in rice.
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Registered trials
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