Melatonin: A New Plant Hormone and/or a Plant Master Regulator?
By M. B. Arnao, J. Hernández-Ruiz. Trends in Plant Science, 2019
764 citations recorded by the source corpus.
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.
Subfields: Endocrine and Autonomic Systems, Plant Science
View Paper: https://www.semanticscholar.org/paper/77870110b758e5f521d73be6c2db3429075e9baf
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In Endocrine and Autonomic Systems
In Plant Science
Citations in the corpus
- Melatonin and reactive oxygen and nitrogen species: a model for the plant redox network (2019, background): “Thus, melatonin induces the expression of RbOHs that generate O2 , and also SOD, which leads to an increase in H2O2 levels (50, 72).”
- Is Phytomelatonin a New Plant Hormone? (2020, background): “Many of these requisites were well documented, but the de ection of a p y omelatonin receptor proved more elusive [42,56], and it was n t until 2018 that Dr.”
- Melatonin as Master Regulator in Plant Growth, Development and Stress Alleviator for Sustainable Agricultural Production: Current Status and Future Perspectives (2020, background): “Melatonin is considered as a master plant regulator as it stimulates plant growth and development by acting as signaling molecule associated with defense mechanisms against different biotic and abiotic stresses like cold, drought, salinity and nutritional deficiencies [14,15].”