| Autor: |
Khan M; Department of Horticulture and Life Science, Yeungnam University, Gyeongsan 38541, Republic of Korea., Hussain A; Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea.; Department of Entomology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan., Yun BW; Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea., Mun BG; Department of Environmental and Biological Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea. |
| Jazyk: |
angličtina |
| Zdroj: |
International journal of molecular sciences [Int J Mol Sci] 2024 Jun 20; Vol. 25 (12). Date of Electronic Publication: 2024 Jun 20. |
| DOI: |
10.3390/ijms25126799 |
| Abstrakt: |
Melatonin (MEL), a hormone primarily known for its role in regulating sleep and circadian rhythms in animals, has emerged as a multifaceted molecule in plants. Recent research has shed light on its diverse functions in plant growth and defense mechanisms. This review explores the intricate roles of MEL in plant growth and defense responses. MEL is involved in plant growth owing to its influence on hormone regulation. MEL promotes root elongation and lateral root formation and enhances photosynthesis, thereby promoting overall plant growth and productivity. Additionally, MEL is implicated in regulating the circadian rhythm of plants, affecting key physiological processes that influence plant growth patterns. MEL also exhibits antioxidant properties and scavenges reactive oxygen species, thereby mitigating oxidative stress. Furthermore, it activates defense pathways against various biotic stressors. MEL also enhances the production of secondary metabolites that contribute to plant resistance against environmental changes. MEL's ability to modulate plant response to abiotic stresses has also been extensively studied. It regulates stomatal closure, conserves water, and enhances stress tolerance by activating stress-responsive genes and modulating signaling pathways. Moreover, MEL and nitric oxide cooperate in stress responses, antioxidant defense, and plant growth. Understanding the mechanisms underlying MEL's actions in plants will provide new insights into the development of innovative strategies for enhancing crop productivity, improving stress tolerance, and combating plant diseases. Further research in this area will deepen our knowledge of MEL's intricate functions and its potential applications in sustainable agriculture. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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