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Tytuł:
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Regulation of photosynthesis under salt stress and associated tolerance mechanisms.
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Autorzy:
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Zahra N; Department of Botany, University of Agriculture, Faisalabad, 38040, Pakistan.
Al Hinai MS; Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud 123, Oman.
Hafeez MB; Department of Agronomy, University of Agriculture, Faisalabad, 38040, Pakistan.
Rehman A; Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan.
Wahid A; Department of Botany, University of Agriculture, Faisalabad, 38040, Pakistan.
Siddique KHM; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia.
Farooq M; Department of Plant Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Al-Khoud 123, Oman; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA, 6001, Australia. Electronic address: .
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Źródło:
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Plant physiology and biochemistry : PPB [Plant Physiol Biochem] 2022 May 01; Vol. 178, pp. 55-69. Date of Electronic Publication: 2022 Mar 06.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: Amsterdam : Elsevier Science
Original Publication: Paris : Gauthier-Villars, c1987-
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MeSH Terms:
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Photosynthesis*
Salt Stress*
Chloroplasts/ultrastructure ; Salinity ; Salt Tolerance/physiology
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Contributed Indexing:
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Keywords: Beneficial microbes; Chloroplast ultrastructure; Genetic approaches; Photosynthesis; Salinity stress
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Entry Date(s):
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Date Created: 20220311 Date Completed: 20220323 Latest Revision: 20220323
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Update Code:
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20240105
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DOI:
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10.1016/j.plaphy.2022.03.003
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PMID:
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35276596
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Photosynthesis is crucial for the survival of all living biota, playing a key role in plant productivity by generating the carbon skeleton that is the primary component of all biomolecules. Salinity stress is a major threat to agricultural productivity and sustainability as it can cause irreversible damage to photosynthetic apparatus at any developmental stage. However, the capacity of plants to become photosynthetically active under adverse saline conditions remains largely untapped. This study addresses this discrepancy by exploring the current knowledge on the impact of salinity on chloroplast operation, metabolism, chloroplast ultrastructure, and leaf anatomy, and highlights the dire consequences for photosynthetic machinery and stomatal conductance. We also discuss enhancing photosynthetic capacity by modifying and redistributing electron transport between photosystems and improving photosystem stability using genetic approaches, beneficial microbial inoculations, and root architecture changes to improve salt stress tolerance under field conditions. Understanding chloroplast operations and molecular engineering of photosynthetic genes under salinity stress will pave the way for developing salt-tolerant germplasm to ensure future sustainability by rehabilitating saline areas.
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