September 22, 2019  |  

Analysis of the complete genome sequence of Bacillus atrophaeus GQJK17 reveals its biocontrol characteristics as a plant growth-promoting rhizobacterium

Authors: Ma, Jinjin and Wang, Chengqiang and Wang, Haide and Liu, Kai and Zhang, Tongrui and Yao, Liangtong and Zhao, Zhou and Du, Binghai and Ding, Yanqin

Bacillus atrophaeus GQJK17 was isolated from the rhizosphere of Lycium barbarum L. in China, which was shown to be a plant growth-promoting rhizobacterium as a new biological agent against pathogenic fungi and gram-positive bacteria. We present its biological characteristics and complete genome sequence, which contains a 4,325,818 bp circular chromosome with 4,181 coding DNA sequences and a G+C content of 43.3%. A genome analysis revealed a total of 8 candidate gene clusters for producing antimicrobial secondary metabolites, including surfactin, bacillaene, fengycin, and bacillibactin. Some other antimicrobial and plant growth-promoting genes were also discovered. Our results provide insights into the genetic and biological basis of B. atrophaeus strains as a biocontrol agent for application in agriculture.

Journal: BioMed research international
DOI: 10.1155/2018/9473542
Year: 2018

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