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应用生态学报 ›› 2020, Vol. 31 ›› Issue (10): 3589-3596.doi: 10.13287/j.1001-9332.202010.040

• 综合评述 • 上一篇    

丛枝菌根真菌提高盐胁迫植物抗氧化机制的研究进展

孙思淼1,2, 常伟1,2, 宋福强1,2*   

  1. 1黑龙江省寒地生态修复与资源利用重点实验室,哈尔滨 150080;
    2农业微生物技术教育部工程研究中心, 哈尔滨 150500
  • 收稿日期:2020-02-15 接受日期:2020-07-22 出版日期:2020-10-15 发布日期:2021-04-15
  • 通讯作者: * E-mail: 0431sfq@163.com
  • 作者简介:孙思淼, 女, 1996年生, 硕士研究生. 主要从事修复生态学研究. E-mail: 550456722@qq.com
  • 基金资助:
    黑龙江省自然科学基金团队项目(TD2019C002)和国家自然科学基金项目(31971527)资助

Mechanism of arbuscular mycorrhizal fungi improve the oxidative stress to the host plants under salt stress: A review

SUN Si-miao1,2, CHANG Wei1,2, SONG Fu-qiang1,2*   

  1. 1Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, Harbin 150080, China;
    2Engineering Research Center of Agricultural Microbiology Techno-logy, Harbin 150500, China
  • Received:2020-02-15 Accepted:2020-07-22 Online:2020-10-15 Published:2021-04-15
  • Contact: * E-mail: 0431sfq@163.com
  • Supported by:
    Team Project of the Natural Science Foundation of Heilongjiang Province (TD2019C002) and the National Natural Science Foundation of China (31971527).

摘要: 土地盐渍化是在自然环境和人为活动的双重作用下形成的全球性的重要生态问题,其会对植物造成渗透失衡、离子胁迫、氧化损伤等危害,导致植物生长缓慢、生物量减少甚至是绝产。丛枝菌根真菌(AMF)是一种普遍存在于土壤中的有益微生物,能够与大多数植物根系形成共生关系,其共生关系在多种逆境生态系统中均具有重要生态意义。AMF-植物共生体具有高效抗氧化系统,能够提高植物在盐胁迫下的抗氧化反应进而增强耐盐性。本文从氧化损伤、渗透调节、抗氧化机制和生物活性分子等角度,系统地阐述了丛枝菌根真菌提高植物抗氧化机制的研究进展,并提出了研究展望,以期为利用菌根生物技术提高植物耐盐性提供理论参考。

关键词: 盐胁迫, 丛枝菌根真菌, 氧化损伤, 渗透调节, 抗氧化剂

Abstract: Soil salinization induced by the dual effects of natural environment and human activities is a serious ecological problem globally. Salinization caused osmotic imbalance, ion stress, oxidative damage, and other hazards to plants, leading to retard, reduce biomass and even total crop failure. Arbuscular mycorrhizal fungi (AMF) is a group of beneficial microorganism with wide distribution. AMF can form symbiotic relationship with most plant roots, with ecological significance in various stressed ecosystems. Because of the highly effective antioxidative system in symbionts, AMF could improve plant anti-oxidative response under salt stress and enhance their tolerance to salt stress. Here, we reviewed the research progress of arbuscular mycorrhizal symbiosis in improing plant antioxidative mechanism, including oxidative damage, osmotic regulation, antio-xidant mechanism and bioactive molecules. Finally, research prospects were proposed to provide theoritical support for improving plant salt tolerance by mycorrhizal biotechnology.

Key words: salt stress, arbuscular mycorrhizal fungi, oxidative stress, osmotic regulation, antioxidant