植物学报 ›› 2011, Vol. 46 ›› Issue (2): 206-215.DOI: 10.3724/SP.J.1259.2011.00206

• 专题论坛 • 上一篇    下一篇

质膜Na+/H+逆向转运蛋白与植物耐盐性

马清, 包爱科, 伍国强, 王锁民*   

  1. 兰州大学草地农业科技学院, 兰州 730020
  • 收稿日期:2010-07-23 修回日期:2010-09-30 出版日期:2011-03-01 发布日期:2011-05-09
  • 通讯作者: 王锁民
  • 基金资助:

    “十一五”国家科技支撑计划;国家自然科学基金

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:2011-03-01 Published:2011-05-09
  • Contact: Suomin Wang

摘要: 土壤盐碱化是造成农作物减产的主要原因之一。质膜Na+/H+逆向转运蛋白能够介导植物根部Na+的外排和体内Na+ 的长距离运输, 并能够调控细胞K+的稳态平衡及细胞内pH值和Ca2+的转运, 因此其在植物耐盐性方面具有重要作用。该文概述了植物质膜Na+/H+逆向转运蛋白的分子结构、功能、表达调控及其与植物耐盐性关系等方面的研究进展, 并对今后有关该蛋白的主要研究方向作了分析和展望。

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.