Mycorrhizal fungal community composition in seven orchid species inhabiting Song Mountain, Beijing, China

Mycorrhizal fungi play an important role in the germination and growth of orchids essentially influencing their survival, abundance, and spatial distribution. In this study, we investigated the composition of the mycorrhizal fungal community in seven terrestrial orchid species inhabiting Song Mounta...

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Published inScience China. Life sciences Vol. 62; no. 6; pp. 838 - 847
Main Authors Chen, Yanhong, Gao, Yue, Song, Linli, Zhao, Zeyu, Guo, Shunxing, Xing, Xiaoke
Format Journal Article
LanguageEnglish
Published Beijing Science China Press 01.06.2019
Springer Nature B.V
Subjects
Basidiomycota - genetics
Beijing
Biodiversity
Biomedical and Life Sciences
Community composition
DNA, Fungal - analysis
Ectomycorrhizas
Fungi
Germination
High-Throughput Nucleotide Sequencing
Life Sciences
Mycobiome - genetics
Mycorrhizae - classification
Mycorrhizae - genetics
Next-generation sequencing
Niche overlap
Niches
Orchidaceae - microbiology
Research Paper
Sequence Analysis, DNA
Spatial distribution
Species
Species Specificity
Sympatric populations
Beijing
Beijing China
China
terrestrial orchids
orchid mycorrhiza
fungal diversity
fungal community
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Summary:Mycorrhizal fungi play an important role in the germination and growth of orchids essentially influencing their survival, abundance, and spatial distribution. In this study, we investigated the composition of the mycorrhizal fungal community in seven terrestrial orchid species inhabiting Song Mountain, Beijing, China, using Illumina MiSeq high-throughput sequencing. The mycorrhizal communities in the seven orchids were mainly composed of members of the Ceratobasidiaceae, Sebacinales, and Tulasnellaceae, while a number of ectomycorrhizal fungi belonging to the Russulaceae, Tricholomataceae, Thelephoraceae, and Cortinariaceae were occasionally observed. However, the dominant fungal associates and mycorrhizal community differed significantly among the orchid species as well as subhabitats. These findings confirm the previous observation that sympatric orchid species show different preferences for mycorrhizal fungi, which may drive niche partitioning and contribute to their cooccurrence.
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ISSN:1674-7305
1869-1889
DOI:10.1007/s11427-018-9471-x