褪黑素
生物
非生物成分
植物激素
活性氧
非生物胁迫
活性氮物种
抗氧化剂
氧化应激
拟南芥
拟南芥
植物
细胞生物学
生态学
生物化学
内分泌学
基因
突变体
作者
Marino B. Arnao,Josefa Hernández‐Ruíz
标识
DOI:10.1016/j.tplants.2018.10.010
摘要
Melatonin is a pleiotropic molecule with many diverse actions in plants. It is considered primarily an antioxidant with important actions in the control of reactive oxygen and nitrogen species (ROS and RNS), among other free radicals, and harmful oxidative molecules present in plant cells. In addition, plant melatonin is involved in multiple physiological actions, such as growth, rooting, seed germination, photosynthesis, and protection against abiotic and/or biotic stressors. The recent identification of the first plant melatonin receptor opened the door to this regulatory molecule being considered a new plant hormone. However, due to the diversity of its actions, melatonin has also been proposed as a plant master regulator. Here, we discuss the most recent data in respect to both perspectives.
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