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Guo-ping Zhang


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Journal of Zhejiang University SCIENCE B 2020 Vol.21 No.6 P.426-441


Advances in studies on ion transporters involved in salt tolerance and breeding crop cultivars with high salt tolerance

Author(s):  Lu Huang, De-zhi Wu, Guo-ping Zhang

Affiliation(s):  Key Laboratory of Crop Germplasm Resource of Zhejiang Province, Department of Agronomy, Zhejiang University, Hangzhou 310058, China

Corresponding email(s):   zhanggp@zju.edu.cn

Key Words:  Salinity, Osmotic stress, Ionic stress, Oxidative stress, Salt tolerance

Lu Huang, De-zhi Wu, Guo-ping Zhang. Advances in studies on ion transporters involved in salt tolerance and breeding crop cultivars with high salt tolerance[J]. Journal of Zhejiang University Science B, 2020, 21(6): 426-441.

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Soil salinity is a global major abiotic stress threatening crop productivity. In salty conditions, plants may suffer from osmotic, ionic, and oxidative stresses, resulting in inhibition of growth and development. To deal with these stresses, plants have developed a series of tolerance mechanisms, including osmotic adjustment through accumulating compatible solutes in the cytoplasm, reactive oxygen species (ROS) scavenging through enhancing the activity of anti-oxidative enzymes, and Na+/K+ homeostasis regulation through controlling Na+ uptake and transportation. In this review, recent advances in studies of the mechanisms of salt tolerance in plants are described in relation to the ionome, transcriptome, proteome, and metabolome, and the main factor accounting for differences in salt tolerance among plant species or genotypes within a species is presented. We also discuss the application and roles of different breeding methodologies in developing salt-tolerant crop cultivars. In particular, we describe the advantages and perspectives of genome or gene editing in improving the salt tolerance of crops.



Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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