The Functional Interplay between Ethylene, Hydrogen Sulfide, and Sulfur in Plant Heat Stress Tolerance

Plants encounter several abiotic stresses, among which heat stress is gaining paramount attention because of the changing climatic conditions. Severe heat stress conspicuously reduces crop productivity through changes in metabolic processes and in growth and development. Ethylene and hydrogen sulfid...

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Bibliographic Details
Published in:Biomolecules (Basel, Switzerland) Switzerland), 2022-05, Vol.12 (5), p.678
Main Authors: Sehar, Zebus, Gautam, Harsha, Iqbal, Noushina, Alvi, Ameena Fatima, Jahan, Badar, Fatma, Mehar, Albaqami, Mohammed, Khan, Nafees A
Format: Article
Language:English
Subjects:
21st century
Abiotic stress
Abscisic acid
Agricultural production
Antioxidants
Apoptosis
Biosynthesis
Chloroplasts
Climate change
Climatic conditions
Enzymes
Ethylene
Ethylenes - metabolism
Gene expression
Heat
Heat shock proteins
Heat stress
Heat-Shock Response
Hydrogen sulfide
Hydrogen Sulfide - metabolism
Metabolism
mineral nutrients
Photosynthesis
Physiology
Plants - metabolism
Post-translation
post-translational changes
Productivity
Review
Signal transduction
Sulfur
Sulfur - metabolism
Temperature
tolerance
Transcription factors
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Summary:Plants encounter several abiotic stresses, among which heat stress is gaining paramount attention because of the changing climatic conditions. Severe heat stress conspicuously reduces crop productivity through changes in metabolic processes and in growth and development. Ethylene and hydrogen sulfide (H S) are signaling molecules involved in defense against heat stress through modulation of biomolecule synthesis, the antioxidant system, and post-translational modifications. Other compounds containing the essential mineral nutrient sulfur (S) also play pivotal roles in these defense mechanisms. As biosynthesis of ethylene and H S is connected to the S-assimilation pathway, it is logical to consider the existence of a functional interplay between ethylene, H S, and S in relation to heat stress tolerance. The present review focuses on the crosstalk between ethylene, H S, and S to highlight their joint involvement in heat stress tolerance.
ISSN:2218-273X
2218-273X
DOI:10.3390/biom12050678