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外生菌根真菌的氮循环机制的研究进展

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为了适应复杂的生态环境,植物与土壤真菌形成互利共生的联合体-菌根.菌根的建立是以共生体双方的营养交换为基础的,真菌为植物供给氮源,磷源等营养元素,作为回报植物为真菌生长提供碳源.外生菌根真菌与共生植物之间的营养代谢与交流,是国内外的研究热点.文章主要总结了外生菌根真菌氮循环的国内外研究进展,阐述了外生菌根真菌对土壤中氮源的吸收方式和植物之间的相互作用机制,列举了外生菌根真菌氮循环通路中,已被证实的化合物与酶,展望了未来的研究方向,对外生菌根真菌与共生植物之间营养互利、信息交流等方面进行深入的探讨.
Research progress of nitrogen cycle mechanism of ectomycorrhizal fungi
In order to adapt to the complex ecological environment,plants and soil fungi form a mutually beneficial symbiotic association-mycorrhiza.The establishment of mycorrhiza is based on the nutrient exchange between the plants and fungi.Fungi provide nutrients such as nitrogen and phosphorus sources for plants.In return,plants provide carbon source for fungus growth.The nutrient metabolism and communication between ectomycorrhizal fungi and symbiotic plants is a research hotspot at home and abroad.The article mainly summarized the research progress of ectomycorrhizal fungi nitrogen cycle at home and abroad and described the uptake of nitrogen sources in soil by ectomycorrhizal fungi and the interaction mechanism with plants.The article also listed the proven compounds and enzymes in the nitrogen cycle pathway of ectomycorrhizal fungi.The article looked forward to future research directions and discusses in depth the mutual nutrition and information exchange between ectomycorrhizal fungi and symbiotic plants.

ectomycorrhizal funginitrogen cyclenutrient exchangeammonium nitrogennitrate nitrogen

马嘉楠、杨颖丽

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西北师范大学生命科学学院,甘肃 730000

外生菌根真菌 氮循环 营养交换 铵态氮 硝态氮

国家自然科学基金项目甘肃省重点研发计划甘肃省重点研发计划兰州市人才创新创业项目

3147046420YF3FA04320YF3FA03720-RC-84

2024

生态科学
广东省生态学会 暨南大学

生态科学

CSTPCD北大核心
影响因子:0.464
ISSN:1008-8873
年,卷(期):2024.43(5)