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Distinguishing ectomycorrhizal and saprophytic fungi using carbon and nitrogen isotopic compositions
Weiguo Hou;  Bin Lian;  Hailiang Dong;  Hongchen Jiang;  Xingliang Wu
2012
发表期刊Geoscience Frontiers
卷号3期号:3页码:351-356
摘要

Ectomycorrhizal fungi, a group of widespread symbiotic fungi with plant, obtain carbon source from trees and improve plant mineral nutrient uptake with their widespread hyphal network. Ectomycorrhizal fungi can be used as inoculants to improve the survival rates of plantation. Saprophytic fungi use the nutrition from the debris of plant or animals, and it is difficult to distinguish the saprophytic and ectomycorrhizal fungi by morphological and anatomic methods. In this research, the differences of stable carbon and nitrogen isotopic compositions of these fungi were analyzed. The results showed that the abundances of 13C of were higher than those of ectomycorrhizal fungi and the abundances of 15N of saprophytic fungi were lower than those of ectomycorrhizal fungi. Such differences of stable carbon and nitrogen isotopic compositions between ectomycorrhizal fungi and saprophytic fungi can be ascribed to their different nutrition sources and ecological functions. These results collectively indicate that stable carbon and nitrogen isotopic compositions are an effective proxy for distinguishing between ectomycorrhizal and saprophytic fungi.

关键词Ectomycorrhizal Fungi saprophytic Fungi stable Isotopic Compositions ecological Function
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/9471
专题环境地球化学国家重点实验室
作者单位1.State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing 100083, China
2.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
3.Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, USA
4.Guizhou Academy of Sciences, Guiyang 550001, China
推荐引用方式
GB/T 7714
Weiguo Hou;Bin Lian;Hailiang Dong;Hongchen Jiang;Xingliang Wu. Distinguishing ectomycorrhizal and saprophytic fungi using carbon and nitrogen isotopic compositions[J]. Geoscience Frontiers,2012,3(3):351-356.
APA Weiguo Hou;Bin Lian;Hailiang Dong;Hongchen Jiang;Xingliang Wu.(2012).Distinguishing ectomycorrhizal and saprophytic fungi using carbon and nitrogen isotopic compositions.Geoscience Frontiers,3(3),351-356.
MLA Weiguo Hou;Bin Lian;Hailiang Dong;Hongchen Jiang;Xingliang Wu."Distinguishing ectomycorrhizal and saprophytic fungi using carbon and nitrogen isotopic compositions".Geoscience Frontiers 3.3(2012):351-356.
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