Special Issue "Melatonin in Plant: From Molecular Basis to Functional Application"
Deadline for manuscript submissions: 31 October 2023 | Viewed by 1404
Interests: plant molecular biology; molecular plant physiology; nitric oxide; Arabidopsis; crop; phytohormones
Melatonin is an indoleamine-based hormone that exists in animals, plants, and fungi and is known as a hormone that regulates the animal's sleep cycle. After the fact that plants synthesize melatonin was confirmed in 1995, research on the role of melatonin in plants has been actively conducted. it is believed to play a role in enhancing resistance to biotic and abiotic stresses as well as promoting plant growth. Recently, melatonin-related studies have been actively conducted in plant kingdom, and it has been reported that the interaction between melatonin and NO (Nitric Oxide) plays an important role in plant development and stress response. Melatonin regulates intracellular NO levels by controlling NO synthase expression and activity and NO scavenging activity, and this NO-Melatonin crosstalk is believed to perform various physiological functions in plant growth and immune response through redox regulation. Among the various functions of melatonin, one that has recently attracted attention is the nitro oxide (NO)-melatonin (N-nitrosomelatonin) form formed after NO is bound to the indole moiety of melatonin, which is generated in plants. It has been reported to act as a signaling substance that regulates dox homeostasis and to act as an in vivo storage of NO. NO can easily pass through cell walls and plasma membranes, has a short half-life (<15 s), and exists in various concentrations in plants and animals. These results suggest that Melatonin would be a critical molecule in vivo and plays an important role in regulating the intracellular redox equilibrium state. This Special Issue focuses on extending current knowledge of Melatonin and its diverse interactions on plant cell signaling including nitric oxide and also their functional application to crop.
Dr. Bong-Gyu Mun
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- cellular signaling
- redox molecule
- crop application
- circadian ryhthm