Pan Yue, Xu Xiaoshan, Li Lei, Sun Qinglin, Wang Qiguang, Huang Huahong, Tong Zaikang, Zhang Junhong
State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang, China.
Hunan Academy of Forestry, Changsha, Hunan, China.
Front Plant Sci. 2023 Jan 26;14:1100827. doi: 10.3389/fpls.2023.1100827. eCollection 2023.
Melatonin is a multifunctional molecule that has been widely discovered in most plants. An increasing number of studies have shown that melatonin plays essential roles in plant growth and stress tolerance. It has been extensively applied to alleviate the harmful effects of abiotic stresses. In view of its role in regulating aspects of plant growth and development, we ponder and summarize the scientific discoveries about seed germination, root development, flowering, fruit maturation, and senescence. Under abiotic and biotic stresses, melatonin brings together many pathways to increase access to treatments for the symptoms of plants and to counteract the negative effects. It has the capacity to tackle regulation of the redox, plant hormone networks, and endogenous melatonin. Furthermore, the expression levels of several genes and the contents of diverse secondary metabolites, such as polyphenols, terpenoids, and alkaloids, were significantly altered. In this review, we intend to examine the actions of melatonin in plants from a broader perspective, explore the range of its physiological functions, and analyze the relationship between melatonin and other metabolites and metabolic pathways.
褪黑素是一种在大多数植物中广泛发现的多功能分子。越来越多的研究表明，褪黑素在植物生长和抗逆性方面发挥着重要作用。它已被广泛应用于减轻非生物胁迫的有害影响。鉴于其在调节植物生长发育方面的作用，我们思考并总结了关于种子萌发、根系发育、开花、果实成熟和衰老的科学发现。在非生物和生物胁迫下，褪黑素汇集了许多途径，以增加对植物症状的治疗方法并抵消负面影响。它有能力应对氧化还原、植物激素网络和内源性褪黑素的调节。此外，几个基因的表达水平以及多种次生代谢物（如多酚、萜类化合物和生物碱）的含量也发生了显著变化。在这篇综述中，我们打算从更广泛的角度研究褪黑素在植物中的作用，探索其生理功能的范围，并分析褪黑素与其他代谢物和代谢途径之间的关系。
