Na+,K+/H+ Antiporter in Plant：pH Homeostasis and Vesicle Trafficking

doi:10.13560/j.cnki.biotech.bull.1985.2019-0794

Abstract

Abstract: Intracellular pH and vesicle trafficking are important factors that affect cell function and determine whether or not cell is death. The Na⁺,K⁺/H⁺ antiporters（NHX）in plant are transmembrane antiporter proteins located in the membrane structure of the cell,and they mediate the transfer of the Na⁺ or K⁺ across a membrane in exchange for protons（H⁺）and thus affect the cellular pH homeostasis. Studies have also shown that the absence of NHX causes an imbalance in the pH of cells and affects vesicle trafficking,which adversely impact the growth and development of plants. In this paper,the function progress of plant NHX in pH regulation and vesicle trafficking is summarized and their relationships are discussed.

Key words: Na⁺, K⁺/H⁺ antiporter, pH homeostasis, vesicle trafficking

WANG Li-guang, YE Chun-lei, CHEN Jun, ZHU Tian-di, LI Jing-wen. Na⁺,K⁺/H⁺ Antiporter in Plant：pH Homeostasis and Vesicle Trafficking[J]. Biotechnology Bulletin, 2020, 36(4): 151-158.

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Na⁺,K⁺/H⁺ Antiporter in Plant：pH Homeostasis and Vesicle Trafficking

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