《植物生理学报》 2014, 50(11): 1621-1629

植物抗盐分子机制及作物遗传改良耐盐性的研究进展

吴运荣, 林宏伟, 莫肖蓉*

浙江大学生命科学学院, 植物生理学与生物化学国家重点实验室, 杭州310058

通信作者：莫肖蓉；E-mail: xiaorong@zju.edu.cn；Tel: 0571-88206133

摘　要：

盐胁迫是全球农业生产上的一个主要逆境因子。解析耐盐分子机制有助于培育耐盐能力提高的作物新品种。我们综述了植物对盐胁迫的感应及信号传导、主要Na+运输体、盐胁迫下的解毒途径以及耐盐途径中涉及到的表观遗传研究。此外, 我们还讨论了利用遗传改良手段提高作物耐盐性的研究进展。

关键词：植物; 盐胁迫; NaCl; 耐盐; 遗传改良

收稿：2014-08-25   修定：2014-10-07

资助：浙江省自然科学基金(LY14C020003)。

Research Progress in the Mechanism of Plant Salt Tolerance and Genetic Engineering of Salt Resistant Crops

WU Yun-Rong, LIN Hong-Wei, MO Xiao-Rong*

State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou 310058, China

Corresponding author: MO Xiao-Rong; E-mail: xiaorong@zju.edu.cn; Tel: 0571-88206133

Abstract:

Soil salinity is a major abiotic stress in plant agriculture worldwide. To engineer salinity-tolerant plants, it is crucial to elucidate the molecular mechanisms of salt-tolerance. Here we reviewed stress sensing and signaling components, as well as key Na+ transport and detoxification pathways in the plant salinity stress response. In addition, we described current knowledge of epigenetic chromatin modifications in salinity tolerance response. We also discussed progress in genetic engineering salt tolerance of crops.

Key words: plant; salt stress; NaCl; salinity tolerance; engineering improvement