Abstract:
Soil salinization is an essential environmental stressor, threatening agricultural yield and ecological security worldwide. Saline soils accumulate excessive soluble salts which are detrimental to most plants by limiting plant growth and productivity. It is of great necessity for plants to efficiently deal with the adverse effects caused by salt stress for survival and successful reproduction. Multiple determinants of salt tolerance have been identified in plants, and the cellular and physiological mechanisms of plant salt response and adaption have been intensely characterized. Plants respond to salt stress signals and rapidly initiate signaling pathways to re-establish cellular homeostasis with adjusted growth and cellular metabolism. This review summarizes the advances in salt stress perception, signaling, and response in plants. A better understanding of plant salt resistance will contribute to improving crop performance under saline conditions using multiple engineering approaches. The rhizosphere microbiome-mediated plant salt tolerance as well as chemical priming for enhanced plant salt resistance are also discussed in this review.
摘要:
土壤盐渍化是一种重要的环境胁迫源,威胁着全球农业产量和生态安全。盐渍土壤积累了过量的可溶性盐,这些盐通过限制植物的生长和生产力而对大多数植物有害。植物有必要有效地应对盐胁迫引起的不利影响,以实现生存和成功繁殖。在植物中已经确定了耐盐性的多个决定因素,植物盐反应和适应的细胞和生理机制已经得到了强烈的表征。植物响应盐胁迫信号并快速启动信号传导途径以重新建立细胞内稳态并调节生长和细胞代谢。这篇综述总结了盐应激感知的研究进展,植物中的信号和反应。更好地了解植物耐盐性将有助于使用多种工程方法改善盐碱条件下的作物性能。本综述还讨论了根际微生物组介导的植物耐盐性以及增强植物耐盐性的化学引发。