Response Mechanisms of Plants Under Saline-Alkali Stress.
Response Mechanisms of Plants Under Saline-Alkali Stress.
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DOI：
10.3389/fpls.2021.667458
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发表时间：
2021
影响因子：
5.6
通讯作者：
Liang X
中科院分区：
文献类型：
--
作者：
Fang S;Hou X;Liang X
盐胁迫和碱胁迫作为两种共存的非生物胁迫，已严重制约了全球农业的发展。阐明植物的抗盐机制和提高植物对盐碱胁迫的耐受性已成为当前研究的热点。目前，相关研究主要集中在盐胁迫方面，而盐碱混合胁迫的研究相对较少。然而，在自然界中，高浓度的盐和高pH值往往同时发生，它们的协同作用可能比单独的胁迫对植物生长和发育的影响更有害。因此，研究植物在盐碱混合胁迫下的抗性机制，筛选新的耐盐碱基因，探索新的植物耐盐碱策略，对农业的可持续发展具有重要的现实意义。本文从形态适应、生理适应和分子调控三个方面综述了植物对盐碱胁迫的积极响应。
As two coexisting abiotic stresses, salt stress and alkali stress have severely restricted the development of global agriculture. Clarifying the plant resistance mechanism and determining how to improve plant tolerance to salt stress and alkali stress have been popular research topics. At present, most related studies have focused mainly on salt stress, and salt-alkali mixed stress studies are relatively scarce. However, in nature, high concentrations of salt and high pH often occur simultaneously, and their synergistic effects can be more harmful to plant growth and development than the effects of either stress alone. Therefore, it is of great practical importance for the sustainable development of agriculture to study plant resistance mechanisms under saline-alkali mixed stress, screen new saline-alkali stress tolerance genes, and explore new plant salt-alkali tolerance strategies. Herein, we summarized how plants actively respond to saline-alkali stress through morphological adaptation, physiological adaptation and molecular regulation.
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