Journal of Experimental Botany· 2014Q1· Review
Roles of melatonin in abiotic stress resistance in plants
- 663citations
- Q1SCImago
- 2014year
Short summary
Melatonin significantly enhances plant tolerance to abiotic stresses like drought, extreme temperatures, and radiation, with both endogenous increases and exogenous application proving effective.
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Key points
- Melatonin levels increase in plants under abiotic stress.
- Overexpression of melatonin synthesis genes enhances plant stress tolerance.
- Exogenous melatonin application improves plant resistance to stresses like drought and extreme temperatures.
- Melatonin's mechanisms for alleviating abiotic stress are under investigation.
AI-generated from the title and abstract; the full text is not read.
Abstract
In recent years melatonin has emerged as a research highlight in plant studies. Melatonin has different functions in many aspects of plant growth and development. The most frequently mentioned functions of melatonin are related to abiotic stresses such as drought, radiation, extreme temperature, and chemical stresses. This review mainly focuses on the regulatory effects of melatonin when plants face harsh environmental conditions. Evidence indicates that environmental stress can increase the level of endogenous melatonin in plants. Overexpression of the melatonin biosynthetic genes elevates melatonin levels in transgenic plants. The transgenic plants show enhanced tolerance to abiotic stresses. Exogenously applied melatonin can also improve the ability of plants to tolerate abiotic stresses. The mechanisms by which melatonin alleviates abiotic stresses are discussed.
The authors' abstract, as published at the source. Journal of Experimental Botany, 2014 · DOI ↗
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Field: Endocrine and Autonomic Systems
Endocrine and Autonomic SystemsNeuroscience