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题名: Ectomycorrhizal fungi associated with two species of Kobresia in an alpine meadow in the eastern Himalaya
作者: Gao, Qian1, 2; null(杨祝良)1
刊名: MYCORRHIZA
关键词: Mycobiont ; Kobresia ; Alpine meadow ; Dauciform root ; ITS rDNA
英文摘要: The diversity of ectomycorrhizal fungi (EMF) on Kobresia filicina and Kobresia capillifolia in an alpine meadow in China's southwestern mountains, one of the word's hotspots of biodiversity, was estimated based on internal transcribed spacer rDNA sequence analysis of root tips. Seventy EMF operational taxonomical units (OTUs) were found in the two plant species. Dauciform roots with EMF were detected in species of Kobresia for the first time. OTU richness of EMF was high in Tomentella/Thelophora and Inocybe, followed by Cortinarius, Sebacina, the Cenococcum geophilum complex, and Russula. Tomentella/Thelophora and Inocybe were general and dominant mycobiont genera of the two sedges. Besides the C. geophilum complex, the ascomycete components Hymenoscyphus and Lachnum were also detected on the two plants. Alpine plants in different geographical regions share similar main genera and/or families of EMF while harboring predominantly different mycobiont species; most of the members detected by us have not been found elsewhere. Significant differences in the profile of EMF occurrences were not found between the two plant species and among the three sampling seasons in our sample size.
出版日期: 2010-04-01
卷号: 20, 期号:4, 页码:281-287
DOI标识: 10.1007/s00572-009-0287-5
语种: 英语
ISSN号: 0940-6360
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/3036
Appears in Collections:中国科学院东亚植物多样性与生物地理学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Gao, Q; Yang, ZL.Ectomycorrhizal fungi associated with two species of Kobresia in an alpine meadow in the eastern Himalaya,MYCORRHIZA,2010,20(4):281-287
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