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Related Experiment Video

Updated: Feb 9, 2026

Human Primary Trophoblast Cell Culture Model to Study the Protective Effects of Melatonin Against Hypoxia/reoxygenation-induced Disruption
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Melatonin: A Multifunctional Factor in Plants.

Jibiao Fan1, Yan Xie2, Zaichao Zhang3

  • 1College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China. 006298@yzu.edu.cn.

International Journal of Molecular Sciences
|June 9, 2018
PubMed
Summary
This summary is machine-generated.

Melatonin, a plant molecule, regulates growth and enhances stress tolerance by managing reactive oxygen species and gene expression. This review explores its biosynthesis, functions, and future research in plant science.

Keywords:
biosynthesismelatoninplantstress tolerance

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Area of Science:

  • Plant Science
  • Biochemistry

Background:

  • Melatonin (N-acetyl-5-methoxy-tryptamine) is a ubiquitous molecule found in plants, sharing biosynthetic precursors with auxin.
  • It functions similarly to indole-3-acetic acid-like hormones, influencing plant physiology.

Purpose of the Study:

  • To review the biosynthesis pathway of melatonin in plants.
  • To summarize melatonin's role in regulating plant growth and development.
  • To explore melatonin's function in protecting plants against various biotic and abiotic stresses.

Main Methods:

  • Literature review of existing studies on melatonin in plants.
  • Analysis of melatonin's direct and indirect mechanisms in stress response.
  • Examination of melatonin's impact on gene expression and overall plant performance.

Main Results:

  • Melatonin enhances plant stress tolerance through direct reactive oxygen species scavenging and indirect mechanisms.
  • It improves antioxidant enzyme activity, photosynthetic efficiency, and metabolite content under stress.
  • Melatonin influences gene expression, thereby affecting plant performance.

Conclusions:

  • Melatonin is a crucial regulator of plant growth, development, and stress resilience.
  • Understanding its multifaceted roles offers potential for agricultural applications.
  • Further research is needed to fully elucidate its mechanisms and optimize its use in plants.