WANG Lei,WU Zilong,ZHANG Hao,et al.Advances in Research on Arbuscular Mycorrhizal Fungi Promoting Resistance of Plants to Cadimium[J].Northern Horticulture,2021,(01):137-142.[doi:10.11937/bfyy.20200617]
丛枝菌根真菌促进植物抗重金属镉的研究进展
- Title:
- Advances in Research on Arbuscular Mycorrhizal Fungi Promoting Resistance of Plants to Cadimium
- Keywords:
- arbuscular mycorrhiza; cadimium; tolerance
- 文献标志码:
- A
- 摘要:
- 丛枝菌根真菌（arbuscular mycorrhizal fungi，AMF）是土壤中一类广泛存在的植物共生真菌，已有研究表明，AMF能够提高植物对重金属的抗逆性和耐受性。该研究从AMF与植物2个方面介绍了相关研究领域的前沿动态，旨在推进AMF促进植物耐受Cd机制的深入研究。在根外，丛枝菌根真菌能够直接吸收、固持Cd，以及改变植物根际的土壤微环境，从而影响Cd的形态和生物活性，增强植物对Cd胁迫的抗性。在根内，丛枝菌根真菌调节植物通过体内螯合、转运以及启动抗氧化防御系统等特定的生理生化过程，减少高浓度Cd对植物的胁迫和伤害。此外，丛枝菌根真菌还能通过促进植物生长来抵御Cd胁迫。
- Abstract:
- Arbuscular mycorrhizal fungi (AMF) is a kind of plant symbiotic fungi living in soil.Lots of studies have shown that AMF can improve the stress resistance and tolerance of plants to heavy metals.In this study,the advance of AMF and plant was introduced in order to promote the further research on the mechanism of AMF promoting plant tolerance to Cd.Outside the roots,AMF could absorb and hold Cd directly,and change plant rhizosphere microenvironment in soil,thus effect the morphology of the Cd and biological effectiveness,enhance the resistance of plants to Cd stress.Within the roots,AMF regulated specific physiological and biochemical processes in plants,such as chelation,transport,and activation of antioxidant defense systems,to reduce stress and damage to plants caused by high concentrations of Cd.In addition,AMF could also resist Cd stress by promoting plant growth.
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备注/Memo
第一作者简介：王磊（1983-），男，硕士，讲师，现主要从事环境生态学等研究工作。E-mail:leiwang83@126.com.责任作者：吴子龙（1977-），男，硕士，副教授，现主要从事菌根生态学等研究工作。E-mail:wuzilonghd@126.com.基金项目：国家自然科学基金资助项目（31200478）；邯郸学院2018年度高层次科研项目育苗工程资助项目（2018301）。收稿日期：2020-02-23