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Updated: Nov 12, 2025

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Monitoring Plant Hormones During Stress Responses
Published on: June 15, 2009
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Phytomelatonin in stress management in agriculture
Gyan Datta Tripathi1, Zoya Javed1, Mansi Mishra1
1Agri-Nanobiotechnology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, 110016, India.
Heliyon
|March 22, 2021
Summary
Melatonin, a plant signaling molecule, plays a crucial role in managing agricultural stress. Researchers are exploring its potential as a growth promoter and to reduce post-harvest losses.
Area of Science:
- Plant Physiology
- Biochemistry
- Agricultural Science
Background:
- Melatonin, initially identified as a pineal gland hormone in animals, is now recognized for its vital role as a signaling molecule in plants, particularly in response to biotic and abiotic stressors.
- The evolutionary origin of melatonin traces back to prokaryotic organisms, where its antioxidant and free radical scavenging functions in photosynthetic bacteria represent an underexplored research area.
Purpose of the Study:
- To investigate the biosynthetic pathways of melatonin in plants.
- To establish the potential of melatonin in agricultural applications, including stress management, growth promotion, and post-harvest loss reduction.
Main Methods:
- Review and synthesis of existing scientific literature on melatonin biosynthesis and function.
- Exploration of proposed biosynthetic pathways of melatonin.
Main Results:
- Melatonin's multifaceted roles in plant stress response and its evolutionary significance are highlighted.
- The manuscript outlines potential agricultural applications for melatonin.
Conclusions:
- Melatonin holds significant promise for enhancing agricultural practices.
- Further research into melatonin's biosynthetic pathways and applications in agriculture is warranted for growth promotion and quality improvement.
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