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Addition of plant-growth-promoting Bacillus subtilis PTS-394 on tomato rhizosphere has no durable impact on composition of root microbiome

文献类型： 外文期刊

作者： Qiao, Junqing 1 ; Yu, Xiang 2 ; Liang, Xuejie 1 ; Liu, Yongfeng 1 ; Borriss, Rainer 3 ; Liu, Youzhou 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Suqian Inst, Suqian 223831, Jiangsu, Peoples R China

3.Humboldt Univ, Inst Agr Wissensch Phytomed, D-14195 Berlin, Germany

4.Nord Reet UG, D-17489 Greifswald, Germany

关键词： Bacillus subtilis PTS-394;Phylogenomics analysis;Root colonization;Rhizosphere Microbiota community;Roche 454 Pyrosequencing

期刊名称：BMC MICROBIOLOGY （ 影响因子：3.605； 五年影响因子：4.283 ）

ISSN： 1471-2180

年卷期： 2017 年 17 卷

页码：

收录情况： SCI

摘要： Background: Representatives of the genus Bacillus are increasingly used in agriculture to promote plant growth and to protect against plant pathogens. Unfortunately, hitherto the impact of Bacillus inoculants on the indigenous plant microbiota has been investigated exclusively for the species Bacillus amyloliquefaciens and was limited to prokaryotes, whilst eukaryotic member of this community, e.g. fungi, were not considered. Results: The root-colonizing Bacillus subtilis PTS-394 supported growth of tomato plants and suppressed soil-borne diseases. Roche 454 pyrosequencing revealed that PTS-394 has only a transient impact on the microbiota community of the tomato rhizosphere. The impact on eukaryota could last up to 14 days, while that on bacterial communities lasted for 3 days only. Conclusions: Ecological adaptation and microbial community-preserving capacity are important criteria when assessing suitability of bio-inoculants for commercial development. As shown here, B. subtilis PTS-394 is acting as an environmentally compatible plant protective agent without permanent effects on rhizosphere microbial community.

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