Root endophytic bacterial community composition of Aconitum carmichaelii debx. from three main producing areas in China
文献类型： 外文期刊
作者： Zou, Lan 1 ; Wang, Qian 1 ; Wu, Rongxing 1 ; Zhang, Yaopeng 1 ; Wu, Qingshan 1 ; Xiong, Wei 1 ; Ye, Kunhao 2 ; Dai, Wei 2 ; Huang, Jing 1 ;
作者机构： 1.Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Peoples R China
2.Mianyang Acad Agr Sci, Mianyang, Peoples R China
关键词： Aconitum carmichaelii Debx; alkaloids; endophytic bacterial community; geo-authentic; soil nitrogen
期刊名称：JOURNAL OF BASIC MICROBIOLOGY （ 影响因子：2.65； 五年影响因子：2.958 ）
ISSN： 0233-111X
年卷期：
页码：
收录情况： SCI
摘要： Aconitum carmichaelii Debx. is famous for the bioactive aconitum alkaloids as traditional Chinese medicine. Endophytic bacteria play vital roles in plant growth, health, and the production of secondary metabolites such as alkaloids. In this study, we employed 16 S rRNA amplicon high-throughput sequencing to determine the root endophytic bacterial community of A. carmichaelii Debx. collected from three main producing areas including the geo-authentic area in China, high performance liquid chromatography to measure the contents of six bioactive alkaloids and correlation analysis to explore the relationship among environmental factors, alkaloids contents, and endophytic bacterial community. The results indicated that the root core microbiota of A. carmichaelii Debx. was dominated by Proteobacteria, Bacteroidetes, Firmicutes, and Actinobacteria. Root endophytic bacterial community in the geo-authentic area was distinct from the other two regions. Soil nitrogen contents, organic matter, and temperature were the main factors contributing to the endophytic bacterial community structure. Significant correlation was found between alkaloids contents and some bacterial genera. Particularly, the abundance of Lactobacillus was positively correlated with the contents of benzoyl-mesaconitine and benzoyl-aconine. This study provided the first insight into the root endophytic bacterial community composition of A. carmichaelii Debx., and can direct further isolation of functional bacterial strains.
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