Coordinated Role of Nitric Oxide, Ethylene, Nitrogen, and Sulfur in Plant Salt Stress Tolerance

Salt stress significantly contributes to major losses in agricultural productivity worldwide. The sustainable approach for salinity-accrued toxicity has been explored. The use of plant growth regulators/phytohormones, mineral nutrients and other signaling molecules is one of the major approaches for...

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Bibliographic Details
Published in:Stresses 2021-09, Vol.1 (3), p.181-199
Main Authors: Jahan, Badar, Rasheed, Faisal, Sehar, Zebus, Fatma, Mehar, Iqbal, Noushina, Masood, Asim, Anjum, Naser A., Khan, Nafees A.
Format: Article
Language:English
Subjects:
Abiotic stress
Carotenoids
Dietary minerals
Efficiency
ethylene
Homeostasis
Metabolism
nitric oxide
Nitrogen
Nutrients
Photosynthesis
Physiology
Pigments
Plant growth
Plant tolerance
Salinity
Salt
salt stress
Sulfur
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Summary:Salt stress significantly contributes to major losses in agricultural productivity worldwide. The sustainable approach for salinity-accrued toxicity has been explored. The use of plant growth regulators/phytohormones, mineral nutrients and other signaling molecules is one of the major approaches for reversing salt-induced toxicity in plants. Application of the signaling molecules such as nitric oxide (NO) and ethylene (ETH) and major mineral nutrient such as nitrogen (N) and sulfur (S) play significant roles in combatting the major consequences of salt stress impacts in plants. However, the literature available on gaseous signaling molecules (NO/ETH) or/and mineral nutrients (N/S) stands alone, and major insights into the role of NO or/and ETH along with N and S in plant-tolerance to salt remained unclear. Thus, this review aimed to (a) briefly overview salt stress and highlight salt-induced toxicity, (b) appraise the literature reporting potential mechanisms underlying the role of gaseous signaling molecules and mineral nutrient in salt stress tolerance, and (c) discuss NO and ETH along with N and S in relation to salt stress tolerance. In addition, significant issues that have still to be investigated in this context have been mentioned.
ISSN:2673-7140
2673-7140
DOI:10.3390/stresses1030014