Melatonin-Mediated Stress Signaling in Plants: Multilayered Networks and Translational Potential for Climate-Resilient Agriculture

Madhan Krishnan

doi:10.1016/j.jbiotec.2026.05.002

Melatonin-Mediated Stress Signaling in Plants: Multilayered Networks and Translational Potential for Climate-Resilient Agriculture

2026-05-09

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Madhan Krishnan *

S

Shyamaladevi Babu

A

Alfred Solomon

DOI：10.1016/j.jbiotec.2026.05.002

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Abstract

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• Melatonin acts as a potent antioxidant and signalling molecule enhancing plant resilience to abiotic and biotic stresses. • It regulates oxidative stress by scavenging ROS/RNS and modulating antioxidant enzyme activities. • Melatonin interacts with key phytohormones and stress-responsive genes to orchestrate adaptive plant responses. • Its biosynthesis occurs in multiple organelles including cytoplasm, chloroplasts, and mitochondria. • Future research into melatonin transport, receptor signalling, and metabolites is crucial for sustainable crop improvement.

Keywords:

melatonin

plant stress signaling

antioxidant activity

phytohormones

climate-resilient agriculture

Melatonin-Mediated Stress Signaling in Plants: Multilayered Networks and Translational Potential for Climate-Resilient Agriculture

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