文献类型: 外文期刊
作者: Liu, Yingxue;Lu, Wenpeng;Li, Yang;Zhai, Boyu;Zhang, Baoxiang;Qin, Hongyan;Xu, Peilei;Yang, Yiming;Fan, Shutian;Wang, Yue;Li, Changyu;Zhao, Jianjun;Ai, Jun
作者机构:
关键词: Illumina MiSeq;Actinidia arguta;endophytic bacteria;16S rRNA;ITS rDNA;different seasons
期刊名称: LIFE-BASEL
ISSN:
年卷期: 2024 年 14 卷 1 期
页码:
收录情况: SCIE(2024版)
摘要: The seasonal changes in environmental conditions can alter the growth states of host plants, thereby affecting the living environment of endophytes and forming different endophytic communities. This study employs Illumina MiSeq next-generation sequencing to analyze the 16SrRNA and ITS rDNA of endophytes in 24 samples of Actinidia arguta stem tissues across different seasons. The results revealed a high richness and diversity of endophytes in Actinidia arguta, with significant seasonal variations in microbial community richness. This study identified 897 genera across 36 phyla for bacteria and 251 genera across 8 phyla for fungi. Notably, 69 bacterial genera and 19 fungal genera significantly contributed to the differences in community structure across seasons. A distinctive feature of coexistence in the endophytic community, both specific and conservative across different seasons, was observed. The bacterial community in winter demonstrated significantly higher richness and diversity compared to the other seasons. Environmental factors likely influence the optimal timing for endophyte colonization. Solar radiation, temperature, precipitation, and relative humidity significantly impact the diversity of endophytic bacteria and fungi. In addition, seasonal variations show significant differences in the nutritional modes of fungal endophytes and the degradation, ligninolysis, and ureolysis functions of bacterial endophytes. This study elucidates the potential role of endophytes in assisting Actinidia arguta in adapting to seasonal changes and provides a theoretical basis for further exploration of functional microbial strains.
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