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Redox Components: Key Regulators of Epigenetic Modifications in Plants
Saravana Kumar R M1, Yibin Wang1, Xiaopan Zhang1
1State Key Laboratory of Cotton Biology, Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, Kaifeng 475004, China.
International Journal of Molecular Sciences
|February 26, 2020
Summary
Plant epigenetics, including DNA methylation and histone modifications, are regulated by oxidants like reactive oxygen species (ROS) and nitric oxide (NO). Redox mediators control plant growth and stress responses.
Area of Science:
- Plant molecular biology
- Epigenetics
- Redox biology
Background:
- Epigenetic modifications (DNA methylation, histone modifications, chromatin remodeling) are key regulators of plant gene expression and chromatin architecture.
- Oxidants (ROS, NO) and antioxidants (pyridine nucleotides, glutathione) significantly influence epigenetic dynamics in plants.
Purpose of the Study:
- To review recent advances in understanding redox regulation of epigenetic modifications in plants.
- To focus on the roles and mechanisms of ROS, NO, and antioxidants in controlling plant epigenetics.
Main Methods:
- Literature review of recent research on redox biology and plant epigenetics.
- Synthesis of findings on the interplay between redox components and epigenetic machinery.
Main Results:
- Redox intermediates regulate enzymes involved in DNA methylation, histone modification, and chromatin remodeling.
- These regulatory networks impact plant growth, development, and environmental stress responses.
Conclusions:
- Integrated understanding of redox control over plant epigenetic marks is emerging.
- ROS, NO, and antioxidants play critical roles in modulating epigenetic landscapes for plant adaptation.
Keywords:
DNA methylationantioxidantschromatin remodelingepigenetic modificationshistone modificationnitric oxidereactive oxygen speciesredox regulationMore Related Videos
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