PJB-2025-166
Melatonin biosynthesis, growth regulation and adaptability to environmental stress in plants
Cheng Song
Abstract
Melatonin is a multifunctional molecule that exists in all organisms and plays a crucial role in plant growth, development, and stress response. The synthesis of plant melatonin typically occurs in chloroplasts, and its synthesis and metabolic pathways have been extensively studied. It serves a significant regulatory function in plant growth and development, influencing the morphological and physiological characteristics of plants by modulating biological processes such as growth rate and flowering time. Additionally, melatonin regulates the plant stress response by directly inhibiting the accumulation of reactive oxygen species and indirectly influencing the stress response pathways. This paper examines plant melatonin from three perspectives: the synthesis pathways of melatonin, its effects on plant growth and development, and its applications in plants under stress. Finally, the prospects for melatonin study and its applications in plants are discussed.Melatonin is a multifunctional molecule that exists in all organisms and plays a crucial role in plant growth, development, and stress response. The synthesis of plant melatonin typically occurs in chloroplasts, and its synthesis and metabolic pathways have been extensively studied. It serves a significant regulatory function in plant growth and development, influencing the morphological and physiological characteristics of plants by modulating biological processes such as growth rate and flowering time. Additionally, melatonin regulates the plant stress response by directly inhibiting the accumulation of reactive oxygen species and indirectly influencing the stress response pathways. This paper examines plant melatonin from three perspectives: the synthesis pathways of melatonin, its effects on plant growth and development, and its applications in plants under stress. Finally, the prospects for melatonin study and its applications in plants are discussed.
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