ArticleEcotoxicology (London, England)2013
Salicylic acid alleviates copper toxicity in rice (Oryza sativa L.) seedlings by up-regulating antioxidative and glyoxalase systems.
Article in Ecotoxicology (London, England), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers.
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83 citing papers in PubMed, 272 citations in OpenAlex.
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- Zinc application through seed priming and foliar spray enhanced germination, seedling growth, photosynthetic pigments, and reduced lead toxicity in tomato (Solanum lycopersicum L.).BMC plant biology · 2025Article
- Effect of citrulline seed priming on growth, photosynthesis, redox equilibrium, secondary metabolic enzymes, metal sequestration and nutrient acquisition in sunflower (Helianthus annuus L.) under chromium toxicity.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025Article
- Mitigation Potential of bio-fabricated selenium nanoparticles on arsenic induced stress in morpho-physiological growth of rice (Oryza sativa L.) seedlings.Scientific reports · 2025Article
- Protective role of Salicylic acid and sodium nitroprusside foliar application against copper stress in okra (Abelmoschus esculentus).Scientific reports · 2025Article
- Plant responses to heat stress and advances in mitigation strategies.Frontiers in plant science · 2025Review
- The Ameliorative Effect of Coumarin on Copper Toxicity inPlants (Basel, Switzerland) · 2024Article
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- Copper mitigates salinity stress by regulating water status, photosynthetic pigments and ion homeostasis and increases the yield of Eggplant (Solanum melongena).BMC plant biology · 2024Article
- Boron Reduced Copper Excess-Induced Oxidative Damage inAntioxidants (Basel, Switzerland) · 2024Article
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- Roles of Hormones in Elevated pH-Mediated Mitigation of Copper Toxicity inPlants (Basel, Switzerland) · 2023Article
- Potato (Plants (Basel, Switzerland) · 2022Article
- Combined Impact of Excess Zinc and Cadmium on Elemental Uptake, Leaf Anatomy and Pigments, Antioxidant Capacity, and Function of Photosynthetic Apparatus in Clary Sage (Plants (Basel, Switzerland) · 2022Article
- Combined Proteomic and Metabolomic Analysis of the Molecular Mechanism Underlying the Response to Salt Stress during Seed Germination in Barley.International journal of molecular sciences · 2022Article
- Exogenously Applied Sodium Nitroprusside Mitigates Lead Toxicity in Rice by Regulating Antioxidants and Metal Stress-Related Transcripts.International journal of molecular sciences · 2022Article
23 more citing papers are in PubMed but not listed here.
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2 authors at 1 institution in 1 country.
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Abstract
The present study investigated the effect of salicylic acid (SA) on toxic symptoms, lipid peroxidation, reactive oxygen species generation and responses of antioxidative and glyoxalase systems in rice seedlings grown hydroponically under copper (Cu) stress for 48 h. Exposures of 75 and 150 μM Cu(2+) caused toxicity symptoms (chlorosis, necrosis and rolling in leaves), sharp increases in malondialdehyde (MDA), hydrogen peroxide (H2O2) contents and lipoxygenase (LOX) activity with concomitant reductions of chlorophyll (Chl) and relative water content (RWC). Both levels of Cu decreased ascorbic acid (AsA), glutathione (GSH), non-protein thiol (NPT) and proline contents in roots but rather increased in leaves except that AsA decreased in leaves too. These results together with overaccumulation of superoxide (O 2 (•-) ) and H2O2 in leaves revealed that Cu exposures induced oxidative stress. Contrary, SA-pretreatment (100 μM for 24 h) reduced toxicity symptoms and diminished Cu-induced increases in LOX activity, H2O2, MDA and proline contents while the levels of RWC, Chl, AsA and redox ratios were elevated. Higher levels of GSH and NPT were also observed in roots of SA-pretreated Cu-exposed seedlings. SA-pretreatment also exerted its beneficial role by inhibiting the Cu upward process. Studies on antioxidant enzymes showed that SA further enhanced the activities of superoxide dismutase, ascorbate peroxidase, glutathione reductase and glutathione peroxidase, and also elevated the depressed activities of catalase, dehydroascorbate reductase and glutathione S-transferase particularly at 150 μM Cu(2+) stress. In addition, the activity of glyoxalase system (glyoxalase I and II) was further elevated by SA pretreatment in the Cu-exposed seedlings. These results concluded that SA-mediated retention of Cu in roots and enhanced capacity of both antioxidative and glyoxalase systems might be associated with the alleviation of Cu-toxicity in rice seedlings.
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