张旭萍, 刘 强, 王 锦, 胡 娟, 周宸宇, 拉 本. 盐碱胁迫下盐生植物与根际土壤微生物交互作用机制研究进展[J]. 土壤通报, 2024, 55(4): 1191 − 1200. DOI: 10.19336/j.cnki.trtb.2023022806
引用本文: 张旭萍, 刘 强, 王 锦, 胡 娟, 周宸宇, 拉 本. 盐碱胁迫下盐生植物与根际土壤微生物交互作用机制研究进展[J]. 土壤通报, 2024, 55(4): 1191 − 1200. DOI: 10.19336/j.cnki.trtb.2023022806
ZHANG Xu-ping, LIU Qiang, WANG Jin, HU Juan, ZHOU Chen-yu, LA Ben. Progress on the Mechanism of Interaction between Saline Plants and Inter-rooted Soil Microorganisms under Saline Stress[J]. Chinese Journal of Soil Science, 2024, 55(4): 1191 − 1200. DOI: 10.19336/j.cnki.trtb.2023022806
Citation: ZHANG Xu-ping, LIU Qiang, WANG Jin, HU Juan, ZHOU Chen-yu, LA Ben. Progress on the Mechanism of Interaction between Saline Plants and Inter-rooted Soil Microorganisms under Saline Stress[J]. Chinese Journal of Soil Science, 2024, 55(4): 1191 − 1200. DOI: 10.19336/j.cnki.trtb.2023022806

盐碱胁迫下盐生植物与根际土壤微生物交互作用机制研究进展

Progress on the Mechanism of Interaction between Saline Plants and Inter-rooted Soil Microorganisms under Saline Stress

  • 摘要: 随着全球土壤盐渍化问题的日益严峻,如何增强植物对高盐碱环境耐受能力,并利用经济高效且适应性强的方法对盐渍土进行修复与改良变得尤为重要。本文重点概述了盐碱胁迫下盐生植物和根际土壤微生物的交互作用机制,总结出盐生植物和根际土壤微生物是一个互利共生的整体。一方面,盐生植物可以促进根际土壤微生物的增殖并依靠其根际活动主动筛选利于自身生长的植物根际促生菌在根际定殖。另一方面,盐生植物根际土壤微生物通过诱导有关渗透调节、内源激素释放和抗氧化防御等物质的生成,以保证盐生植物在盐碱胁迫下正常的生长发育,并增强对极端高盐碱生境的适应。同时,对未来的研究方向进行了展望,强调在分子水平上加强对盐生植物与根际土壤微生物互作机制的认知,并重视将从盐生植物根际分离出的根际促生菌应用于生产实践。以期为深入了解盐生植物耐盐机制以及与根际土壤微生物间的互作提供参考,为增强植物的抗逆能力以及盐渍土的修复与改良提供新思路。

     

    Abstract: With the increasingly serious problem of soil salinization worldwide, it has become particularly important to enhance plant tolerance to highly saline environments and to use cost-effective and adaptive methods for the restoration and improvement of saline soils. This paper outlines the interaction mechanism between saline plants and inter-root soil microorganisms under saline and alkaline stress, demonstrating a mutually beneficial symbiotic relationship between the two entities. On one hand, plants grown in saline soil can enhance the growth of soil microorganisms between their roots, utilizing their inter-root activities for the selection of beneficial bacteria to promote their growth and colonize the inter-roots. On the other hand, soil microorganisms stimulate osmoregulation, the release of endogenous hormones, and antioxidant defenses to promote the normal growth and development of saline plants under saline stress. This helps to enhance their adaptation to extremely hypersaline habitats. The future research direction will focus on enhancing the understanding of the interaction mechanism between saline plants and inter-root soil microorganisms at the molecular level. In addition, emphasis will be placed on the practical application of inter-root biotrophic bacteria extracted from saline plants inter-roots to crop cultivation and field practice. We aim to offer a comprehensive understanding of the salt tolerance mechanisms of saline plants and their interactions with inter-root soil microorganisms. We also hope to propose innovative solutions for enhancing plant resilience, and restoring and improving saline soils

     

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