Research Progress in Na+ Regulation Mechanism of Plants Under Salt Stress

doi:10.13560/j.cnki.biotech.bull.1985.2019-0088

Abstract

Abstract: Salt stress is one of the main abiotic factors limiting crop production. Excessive soluble salt（mainly Na⁺）in soil leads to secondary stress such as osmotic stress,ion stress and oxidative stress in plants. Under high-salt stress,plants rely on Na⁺ efflux or ion compartmentation strategies to reduce cell Na⁺ concentration in cytoplasm and then reconstruct or maintain the ions homeostasis in plants. This paper mainly reviews the progress in pathway and regulation of Na⁺ ion dynamic balance in plant cells under salt stress. A thorough understanding of the ion dynamic equilibrium process is conducive to creating more stress-tolerant crop varieties and achieving sustainable agricultural development.

Key words: salt stress, Na⁺ homeostasis, Na⁺regulation mechanism

LI Xiao-yuan, XIE Li-nan. Research Progress in Na⁺ Regulation Mechanism of Plants Under Salt Stress[J]. Biotechnology Bulletin, 2019, 35(7): 148-155.

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Research Progress in Na⁺ Regulation Mechanism of Plants Under Salt Stress

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