Temperature affects substrate-associated bacterial composition during Ganoderma lucidum hyphal growth
文献类型： 外文期刊
作者： Zhang, Bo 1 ; Zhou, Jie 1 ; Li, Xiaolin 1 ; Ye, Lei 1 ; Jia, Dinghong 1 ; Gan, Bingcheng 1 ; Tan, Wei 1 ;
作者机构： 1.Sichuan Acad Agr Sci, Soil & Fertilizer Inst, Chengdu 610066, Peoples R China
关键词： Ganoderma lucidum; high-throughput sequencing; temperature effect; bacterial composition
期刊名称：CANADIAN JOURNAL OF MICROBIOLOGY （ 影响因子：1.793； 五年影响因子：1.794 ）
ISSN： 0008-4166
年卷期： 2021 年 67 卷 4 期
页码：
收录情况： SCI
摘要： The growth of the well-known fungus Ganoderma lucidum is influenced by temperature, which has an impact on the associated microbial structure in the substrate. In this study, we analyzed the bacterial diversity of the substrate at different temperatures using next-generation sequencing technology. A total of 513 733 sequences from 15 samples were assigned to 19 bacterial phyla. The samples were dominated by Proteobacteria, followed by Firmicutes; the 2 phyla exhibited opposite changes with elevated temperature. Bacterial genera showed different abundances at different temperatures, in which Sediminibacterium maintained a stable abundance below 40 degrees C, while Ochrobactrum and Rhodococcus were enriched with elevated temperature and both showed their highest abundances at 40 degrees C. Functional prediction uncovered 39 identified KEGG pathways, and bacterial genes involved in the membrane transport pathway exhibited the highest abundance subject to heat (40 degrees C) during the growth of G. lucidum. In general, our findings illustrated the influence of temperatures on G. lucidum mycelial morphology and the bacterial community in the substrate, and the results will facilitate cultivation of this fungus.
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