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Analysis of rhizosphere bacterial communities of tobacco resistant and non-resistant to bacterial wilt in different regions

文献类型: 外文期刊

作者: Shi, Haoqi 1 ; Xu, Peiwen 1 ; Wu, Shengxin 3 ; Yu, Wen 3 ; Cheng, Yazhi 3 ; Chen, Zhihua 4 ; Yang, Xingyou 4 ; Yu, Xiangwen 4 ; Li, Bingjie 1 ; Ding, Anming 1 ; Wang, Weifeng 1 ; Sun, Yuhe 1 ;

作者机构: 1.Chinese Acad Agr Sci, Tobacco Res Inst, Key Lab Tobacco Gene Resources, Qingdao 266101, Peoples R China

2.Chinese Acad Agr Sci, Grad Sch, Beijing 100081, Peoples R China

3.Fujian Inst Tobacco Agr Sci, Fuzhou 350003, Peoples R China

4.China Natl Tobacco Corp, Sichuan Branch, Sichuan Tobacco Sci Inst, Chengdu 615000, Peoples R China

期刊名称:SCIENTIFIC REPORTS ( 影响因子:4.996; 五年影响因子:5.516 )

ISSN: 2045-2322

年卷期: 2022 年 12 卷 1 期

页码:

收录情况: SCI

摘要: Tobacco bacterial wilt has seriously affected tobacco production. Ethyl methanesulfonate (EMS) induced tobacco bacterial wilt resistant mutants are important for the control of tobacco bacterial wilt. High-throughput sequencing technology was used to study the rhizosphere bacterial community assemblages of bacterial wilt resistant mutant tobacco rhizosphere soil (namely KS), bacterial wilt susceptible tobacco rhizosphere soil (namely GS) and bulk soil (namely BS) in Xuancheng, Huanxi, Yibin and Luzhou. Alpha analysis showed that the bacterial community diversity and richness of KS and GS in the four regions were not significantly different. However, analysis of intergroup variation in the top 15 bacterial communities in terms of abundance showed that the bacterial communities of KS and GS were significantly different from BS, respectively. In addition, pH, alkali-hydrolysable nitrogen (AN) and soil organic carbon (SOC) were positively correlated with the bacterial community of KS and negatively correlated with GS in the other three regions except Huanxi. Network analysis showed that the three soils in the four regions did not show a consistent pattern of network complexity. PICRUSt functional prediction analysis showed that the COG functions were similar in all samples. All colonies were involved in RNA processing and modification, chromatin structure and dynamics, etc. In conclusion, our experiments showed that rhizosphere bacterial communities of tobacco in different regions have different compositional patterns, which are strongly related to soil factors.

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