ArticleAntioxidants (Basel, Switzerland)2024
Exogenous GABA Enhances Copper Stress Resilience in Rice Plants via Antioxidant Defense Mechanisms, Gene Regulation, Mineral Uptake, and Copper Homeostasis.
Article in Antioxidants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Integrated nutrient and plant growth regulator management improves cadmium phytoextraction in Ricinus communis.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Foliar spray of salicylic acid and gamma-aminobutyric acid mitigates chromium toxicity in barley by regulating antioxidant defense, nutrient uptake, and secondary metabolites.BMC plant biology · 2026Article
- Role of Copper Homeostasis and Cuproptosis in Cardiovascular Disease: Molecular Insights and Metabolic Perspectives.International journal of biological sciences · 2026Review
- Pumpkin (Cucurbita moschata Duch.) tolerates high levels of lead and copper by modulating ecophysiological characteristics and antioxidant defense system.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025Article
- Protective Role of GABA in Aromatic Rice Under Lead and Cadmium Toxicity: Physiological and Biochemical Insights.Plants (Basel, Switzerland) · 2025Article
- Amino Acid Regulation in Rice: Integrated Mechanisms and Agricultural Applications.Rice (New York, N.Y.) · 2025Review
- Extrinsic and intrinsic factors affect copper-induced protein precipitation across eukaryotic and prokaryotic proteomes.Protein science : a publication of the Protein Society · 2025Article
- Gamma-Aminobutyric Acid (GABA) as a Defense Booster for Wheat against Leaf Rust Pathogen (Plants (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
5 authors.
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Abstract
The importance of gamma-aminobutyric acid (GABA) in plants has been highlighted due to its critical role in mitigating metal toxicity, specifically countering the inhibitory effects of copper stress on rice plants. This study involved pre-treating rice plants with 1 mM GABA for one week, followed by exposure to varying concentrations of copper at 50 μM, 100 μM, and 200 μM. Under copper stress, particularly at 100 μM and 200 μM, plant height, biomass, chlorophyll content, relative water content, mineral content, and antioxidant activity decreased significantly compared to control conditions. However, GABA treatment significantly alleviated the adverse effects of copper stress. It increased plant height by 13%, 18%, and 32%; plant biomass by 28%, 52%, and 60%; chlorophyll content by 12%, 30%, and 24%; and relative water content by 10%, 24%, and 26% in comparison to the C50, C100, and C200 treatments. Furthermore, GABA treatment effectively reduced electrolyte leakage by 11%, 34%, and 39%, and the concentration of reactive oxygen species, such as malondialdehyde (MDA), by 9%, 22%, and 27%, hydrogen peroxide (H
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