Versatile Roles of Melatonin in Growth and Stress Tolerance in Plants

Versatile Roles of Melatonin in Growth and Stress Tolerance in Plants
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褪黑激素在植物生长和抗逆性中的多种作用

DOI:
10.1007/s00344-021-10317-2
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发表时间:
2021-03
影响因子:
4.8
通讯作者:
Sheng Zheng
Sheng Zheng
中科院分区:
生物学3区
文献类型:
--
作者:
Tengguo Zhang;Juan Wang;Yuanpei Sun;Lu Zhang;Sheng Zheng

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褪黑素是一种进化保守的多功能分子,广泛存在于植物的不同部位。褪黑素除了调节植物的生长发育外,还在提高植物对生物和非生物胁迫的耐受性方面发挥重要作用,是保护植物免受非生物和生物胁迫的重要分子。褪黑素在植物生长发育中的作用主要表现在对种子萌发、根发育、果实成熟和衰老的调节上。褪黑素主要通过提高植物的抗氧化效率,减少对光合作用的抑制,以及改变逆境相关基因的表达来提高植物的抗逆性。本文综述了褪黑素对植物生长发育的调控,以及褪黑素提高植物对非生物和生物胁迫耐受性的分子机制,并分析了褪黑素与其他信号分子和信号通路的关系。展望了未来植物褪黑素的研究方向。
Melatonin is an evolutionarily conserved multifunctional molecule that is widely found in different parts of plants. In addition to its role in regulating plant growth and development, melatonin plays an important role in improving plant biotic and abiotic stress tolerance, which is an important molecule for protecting plants from abiotic and biotic stresses. The role of melatonin in plant growth and development is manifested in the regulation of seed germination, root development, fruit maturation, and senescence. Melatonin primarily improves plant stress resistance by improving plant antioxidant efficiency, reducing the inhibition of photosynthesis, and changing the expression of stress resistance-related genes. This paper reviews the regulation of melatonin on plant growth and development and the molecular mechanisms by which melatonin improves plant tolerance to abiotic and biogenic stresses and analyzes the relationship between melatonin and other signaling molecules and signaling pathways. The future research direction of plant melatonin is prospected.
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