ArticleMolecules (Basel, Switzerland)2021
Melatonin Ameliorates Thermotolerance in Soybean Seedling through Balancing Redox Homeostasis and Modulating Antioxidant Defense, Phytohormones and Polyamines Biosynthesis.
Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Exogenous regulators enhance strawberry yield under heat stress conditions.Scientific reports · 2026Article
- Foliar application of licorice-wolfberry derived nanomaterials enhances soybean heat tolerance through maintaining reactive oxygen species homeostasis.Frontiers in plant science · 2026Article
- Exogenous melatonin alleviates post-flowering natural high-temperature stress in maize (Frontiers in plant science · 2026Article
- Integrated physiological, biochemical, and molecular analysis of drought tolerance in soybean cultivars.Frontiers in plant science · 2026Article
- Comparative transcriptome analysis reveals the role of CsABA8ox1 in cucumber under high-temperature stress.Plant molecular biology · 2025Article
- Melatonin and Grain Legume Crops: Opportunities for Abiotic Stress Tolerance Enhancement and Food Sustainability.Plants (Basel, Switzerland) · 2025Review
- Enhancing the growth and yield of the common bean cultivar 'Nebraska' under high temperature conditions by combining different magnesium levels with arginine, glycine, and melatonin.BMC plant biology · 2025Article
- Exogenous putrescine enhances salt tolerance inFrontiers in plant science · 2025Article
- Role of Neurotransmitters (Biomediators) in Plant Responses to Stress.Plants (Basel, Switzerland) · 2024Review
- Selenium Nanoparticle and Melatonin Treatments Improve Melon Seedling Growth by Regulating Carbohydrate and Polyamine.International journal of molecular sciences · 2024Article
- Synergistic effects of melatonin and 24-epibrassinolide on chickpea water deficit tolerance.BMC plant biology · 2024Article
- Melatonin: The Multifaceted Molecule in Plant Growth and Defense.International journal of molecular sciences · 2024Review
- Combined application of melatonin andFrontiers in plant science · 2024Article
- Article
- Melatonin Enhances the Photosynthesis and Antioxidant Enzyme Activities of Mung Bean under Drought and High-Temperature Stress Conditions.Plants (Basel, Switzerland) · 2023Article
- Melatonin and Abiotic Stress Tolerance in Crop Plants.International journal of molecular sciences · 2023Review
- Morphological and Physiological Mechanisms of Melatonin on Delaying Drought-Induced Leaf Senescence in Cotton.International journal of molecular sciences · 2023Article
- Alleviation of Hg-, Cr-, Cu-, and Zn-Induced Heavy Metals Stress by Exogenous Sodium Nitroprusside in Rice Plants.Plants (Basel, Switzerland) · 2023Article
- Nitric Oxide Acts as a Key Signaling Molecule in Plant Development under Stressful Conditions.International journal of molecular sciences · 2023Review
- Unfolding molecular switches for salt stress resilience in soybean: recent advances and prospects for salt-tolerant smart plant production.Frontiers in plant science · 2023Review
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Authors and funding
8 authors.
Funding
Abstract
Global warming is impacting the growth and development of economically important but sensitive crops, such as soybean (Glycine max L.). Using pleiotropic signaling molecules, melatonin can relieve the negative effects of high temperature by enhancing plant growth and development as well as modulating the defense system against abiotic stresses. However, less is known about how melatonin regulates the phytohormones and polyamines during heat stress. Our results showed that high temperature significantly increased ROS and decreased photosynthesis efficiency in soybean plants. Conversely, pretreatment with melatonin increased plant growth and photosynthetic pigments (chl a and chl b) and reduced oxidative stress via scavenging hydrogen peroxide and superoxide and reducing the MDA and electrolyte leakage contents. The inherent stress defense responses were further strengthened by the enhanced activities of antioxidants and upregulation of the expression of ascorbate-glutathione cycle genes. Melatonin mitigates heat stress by increasing several biochemicals (phenolics, flavonoids, and proline), as well as the endogenous melatonin and polyamines (spermine, spermidine, and putrescine). Furthermore, the positive effects of melatonin treatment also correlated with a reduced abscisic acid content, down-regulation of the gmNCED3, and up-regulation of catabolic genes (CYP707A1 and CYP707A2) during heat stress. Contrarily, an increase in salicylic acid and up-regulated expression of the defense-related gene PAL2 were revealed. In addition, melatonin induced the expression of heat shock protein 90 (gmHsp90) and heat shock transcription factor (gmHsfA2), suggesting promotion of ROS detoxification via the hydrogen peroxide-mediated signaling pathway. In conclusion, exogenous melatonin improves the thermotolerance of soybean plants and enhances plant growth and development by activating antioxidant defense mechanisms, interacting with plant hormones, and reprogramming the biochemical metabolism.
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