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Nitric oxide and hydrogen sulfide: an indispensable combination for plant functioning
Vipul Mishra1, Pooja Singh1, Durgesh Kumar Tripathi2
1Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, Prayagraj-211002, India.
Trends in Plant Science
|August 21, 2021
Summary
Nitric oxide (NO) and hydrogen sulfide (H2S) are key plant signaling molecules with complex, intertwined roles in growth and stress responses. Their contrasting effects depend on various cellular factors, highlighting intricate regulatory networks.
Area of Science:
- Plant Physiology
- Molecular Biology
- Biochemistry
Background:
- Nitric oxide (NO) and hydrogen sulfide (H2S) function as crucial gasotransmitters in plants.
- These molecules regulate diverse physiological processes and responses to environmental stress.
Purpose of the Study:
- To comprehensively review the complex signaling networks of NO and H2S in plants.
- To emphasize their roles in root development, stomatal movement, and plant cell death.
Main Methods:
- Literature review of recent studies on NO and H2S in plant science.
- Analysis of intertwined pathway networks and contrasting effects of these gasotransmitters.
Main Results:
- NO and H2S exhibit antioxidant properties and influence plant stress.
- Their effects are context-dependent, varying with cell type, compartment, redox status, and dosage.
- Intertwined pathways highlight complex regulatory interactions between NO and H2S.
Conclusions:
- NO and H2S are integral to plant signaling, with intricate and often contrasting roles.
- Understanding these gasotransmitters is vital for comprehending plant development and stress adaptation.
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