Chin Bull Bot ›› 2011, Vol. 46 ›› Issue (2): 206-215.doi: 10.3724/SP.J.1259.2011.00206

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Plasma Membrane Na+/H+ Antiporter Is Involved in Plant Salt Tolerance

Qing Ma, Aike Bao, Guoqiang Wu, Suomin Wang*   

  1. School of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
  • Received:2010-07-23 Revised:2010-09-30 Online:2011-05-09 Published:2011-03-01
  • Contact: Suomin Wang E-mail:smwang@lzu.edu.cn

Abstract: Soil salinization is one of the major abiotic factors reducing crop productivity worldwide. The plasma membrane Na+/H+ antiporter plays an important role in plant salt tolerance because it is involved in Na+ exclusion in roots, long-distance Na+ transport in plants and the regulation of cellular K+, pH homeostasis and Ca2+ transport. In this review, we analyze recent advances in molecular structure and function, including expression and regulation of the plasma membrane Na+/H+ antiporter, and its role in plant salt tolerance.

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