Microbial communities of ascocarps and soils in a natural habitat of Tuber indicum

文献类型： 外文期刊

第一作者： Wang, Deyuan

作者： Wang, Deyuan;Xu, Qiang;Wu, Fanlin;Tian, Wei;Wang, Deyuan;Qiao, Peng;Guo, Wenjiao;Chen, Juan;Liu, Peigui

作者机构：

关键词： Tuber indicum; Bacterial community; Fungal community; High-throughput sequencing

期刊名称：ARCHIVES OF MICROBIOLOGY （ 影响因子：2.552； 五年影响因子：2.475 ）

ISSN： 0302-8933

年卷期： 2022 年 204 卷 3 期

页码：

收录情况： SCI

摘要： Truffles are the fruiting bodies of hypogeous fungi in the genus Tuber. Some truffle species usually grow in an area devoid of vegetation, called brule, but limited knowledge is available on the microbial composition and structure of them. Here, we investigated the bacterial and fungal communities of Tuber indicum ascocarps and soils inside and outside a characteristic brule from a poplar plantation with no truffle production history in northeastern China using a high-throughput sequencing approach. A predominance of members of the bacterial phylum Proteobacteria was observed in all samples. Members of Bacillus were the main genera in the ascocarps, while members of Lysobacter and unidentified Acidobacteria were more abundant in the soil. In addition, members of Gibberella, Fusarium, and Absidia were the dominant fungi in the ascocarps, while members of Tuber were enriched in the ascocarps and soils inside the brule. Some mycorrhization helper bacteria (Rhizobium) and ectomycorrhiza-associated bacteria (Lysobacter) were detected, indicating their potential roles in the complex development of underground fruiting bodies and brule formation. These findings may contribute to the protection and cultivation of truffles.

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