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자료유형
학술저널
저자정보
Lu Ping (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Jiang Ke (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Hao Ya-Qiao (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Chu Wan-Ying (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Xu Yu-Dong (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Yang Jia-Yao (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Chen Jia-Le (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Zeng Guo-Hong (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Gu Zhou-Hang (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien) Zhao Hong-Xin (Zhejiang Province Key Laboratory of Plant Secondary Metabolism and Regulation College of Life Scien)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제31권 제9호
발행연도
2021.9
수록면
1,231 - 1,240 (10page)
DOI
10.4014/jmb.2105.05010

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Members of the genus Bacillus are known to play an important role in promoting plant growth and protecting plants against phytopathogenic microorganisms. In this study, 21 isolates of Bacillus spp. were obtained from the root micro-ecosystem of Suaeda glauca. Analysis of the 16S rRNA genes indicated that the isolates belong to the species Bacillus amyloliquefaciens, Bacillus velezensis, Bacillus subtilis, Bacillus pumilus, Bacillus aryabhattai and Brevibacterium frigoritolerans. One of the interesting findings of this study is that the four strains B1, B5, B16 and B21 are dominant in rhizosphere soil. Based on gyrA, gyrB, and rpoB gene analyses, B1, B5, and B21 were identified as B. amyloliquefaciens and B16 was identified as B. velezensis. Estimation of antifungal activity showed that the isolate B1 had a significant inhibitory effect on Fusarium verticillioides, B5 and B16 on Colletotrichum capsici (syd.) Butl, and B21 on Rhizoctonia cerealis van der Hoeven. The four strains grew well in medium with 1-10% NaCl, a pH value of 5-8, and promoted the growth of Arabidopsis thaliana. Our results indicate that these strains may be promising agents for the biocontrol and promotion of plant growth and further study of the relevant bacteria will provide a useful reference for the development of microbial resources.

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