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High-throughput sequencing-based analysis of endogenetic fungal communities inhabiting the Chinese Cordyceps reveals unexpectedly high fungal diversity.


ABSTRACT: Chinese Cordyceps, known in Chinese as "DongChong XiaCao", is a parasitic complex of a fungus (Ophiocordyceps sinensis) and a caterpillar. The current study explored the endogenetic fungal communities inhabiting Chinese Cordyceps. Samples were collected from five different geographical regions of Qinghai and Tibet, and the nuclear ribosomal internal transcribed spacer-1 sequences from each sample were obtained using Illumina high-throughput sequencing. The results showed that Ascomycota was the dominant fungal phylum in Chinese Cordyceps and its soil microhabitat from different sampling regions. Among the Ascomycota, 65 genera were identified, and the abundant operational taxonomic units showed the strongest sequence similarity to Ophiocordyceps, Verticillium, Pseudallescheria, Candida and Ilyonectria Not surprisingly, the genus Ophiocordyceps was the largest among the fungal communities identified in the fruiting bodies and external mycelial cortices of Chinese Cordyceps. In addition, fungal communities in the soil microhabitats were clustered separately from the external mycelial cortices and fruiting bodies of Chinese Cordyceps from different sampling regions. There was no significant structural difference in the fungal communities between the fruiting bodies and external mycelial cortices of Chinese Cordyceps. This study revealed an unexpectedly high diversity of fungal communities inhabiting the Chinese Cordyceps and its microhabitats.

SUBMITTER: Xia F 

PROVIDER: S-EPMC5022047 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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High-throughput sequencing-based analysis of endogenetic fungal communities inhabiting the Chinese Cordyceps reveals unexpectedly high fungal diversity.

Xia Fei F   Chen Xin X   Guo Meng-Yuan MY   Bai Xiao-Hui XH   Liu Yan Y   Shen Guang-Rong GR   Li Yu-Ling YL   Lin Juan J   Zhou Xuan-Wei XW  

Scientific reports 20160914


Chinese Cordyceps, known in Chinese as "DongChong XiaCao", is a parasitic complex of a fungus (Ophiocordyceps sinensis) and a caterpillar. The current study explored the endogenetic fungal communities inhabiting Chinese Cordyceps. Samples were collected from five different geographical regions of Qinghai and Tibet, and the nuclear ribosomal internal transcribed spacer-1 sequences from each sample were obtained using Illumina high-throughput sequencing. The results showed that Ascomycota was the  ...[more]

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