Melatonin Promotes SGT1-Involved Signals to Ameliorate Drought Stress Adaption in Rice
Abstract
:1. Introduction
2. Results
2.1. Determination of Optimal Concentration of Melatonin on Drought Stress
2.2. Effects of Melatonin on the Seedling Performance in sgt1 Mutants under Drought Stress
2.3. Effects of Melatonin on the Oxidative Damages in sgt1 Mutants under Drought Stress
2.4. Effects of Melatonin on the Antioxidant Activity under Drought Stress
2.5. Effects of Melatonin on the Synthesis of Endogenous ABA, SA and JA under Drought Stress
2.6. Effects of Dual Mutation of OsABI5 and OsSGT1 on the Melatonin-Alleviated Drought Stress
2.7. Effects of Exogenous ABA Feeding on the Expression Levels of OsABI5 and OsSGT1 under Drought Stress
2.8. Effects of Dual Mutation of OsABI5 and OsSGT1 on the Melatonin-Induced Expression of Antioxidant Genes under Drought Stress
3. Discussion
3.1. Melatonin Alleviates Drought Stress to Promote Seedling Growth
3.2. SGT1 Is Crucial for the Melatonin Alleviated Effects on Drought Stress
3.3. The Ameliorated Effects of Melatonin on Drought Adaption Is Tightly Associated with SGT1-Involved Signals
4. Materials and Methods
4.1. Plant Materials and Growth Conditions
4.2. Determination of Physiological Parameters
4.3. Measurement of Oxidant Products
4.4. Activity Assays of Antioxidant System
4.5. Measurement of ABA, SA and JA Contents
4.6. Gene Expression Analysis
4.7. Statistical Analysis
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Li, R.; Yang, R.; Zheng, W.; Wu, L.; Zhang, C.; Zhang, H. Melatonin Promotes SGT1-Involved Signals to Ameliorate Drought Stress Adaption in Rice. Int. J. Mol. Sci. 2022, 23, 599. https://doi.org/10.3390/ijms23020599
Li R, Yang R, Zheng W, Wu L, Zhang C, Zhang H. Melatonin Promotes SGT1-Involved Signals to Ameliorate Drought Stress Adaption in Rice. International Journal of Molecular Sciences. 2022; 23(2):599. https://doi.org/10.3390/ijms23020599
Chicago/Turabian StyleLi, Ruiqing, Ruifang Yang, Wenyin Zheng, Liquan Wu, Can Zhang, and Huali Zhang. 2022. "Melatonin Promotes SGT1-Involved Signals to Ameliorate Drought Stress Adaption in Rice" International Journal of Molecular Sciences 23, no. 2: 599. https://doi.org/10.3390/ijms23020599