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Nematicidal activity of volatile organic compounds produced by Bacillus altitudinis AMCC 1040 against Meloidogyne incognita

文献类型： 外文期刊

作者： Ye, Lin 1 ; Wang, Jian-Yu 2 ; Liu, Xiao-Fang 2 ; Guan, Qi 2 ; Dou, Nong-Xiao 2 ; Li, Jian 4 ; Zhang, Qian 6 ; Gao, Yan-Ming 1 ; Wang, Min 5 ; Li, Jian-She 1 ; Zhou, Bo 2 ;

作者机构： 1.Ningxia Univ, Agr Coll, Yinchuan, Ningxia, Peoples R China

2.Shandong Agr Univ, Coll Life Sci, Dept Microbiol, Tai An 271018, Shandong, Peoples R China

3.Natl Engn Res Ctr Efficient Utilizat Soil & Ferti, Tai An 271018, Shandong, Peoples R China

4.Jimei Univ, Coll Food & Bioengn, Xiamen 361021, Peoples R China

5.Shandong Wanhao Fertilizer Co LTD, Jinan 25000, Peoples R China

6.Shandong Inst Pomol, Tai An 271018, Shandong, Peoples R China

关键词： Root-knot nematodes; Biological control; Bacillus altitudinis; Volatile organic compounds

期刊名称：ARCHIVES OF MICROBIOLOGY （ 影响因子：2.667； 五年影响因子：2.729 ）

ISSN： 0302-8933

年卷期： 2022 年 204 卷 8 期

页码：

收录情况： SCI

摘要： The application of nematicidal microorganisms and their virulence factors provides more opportunities to control root-knot nematodes. Bacillus altitudinis AMCC 1040, previously isolated from suppressive soils, showed significant nematicidal activity, and in this study, nematicidal substances produced by Bacillus altitudinis AMCC 1040 were investigated. The results of the basic properties of active substances showed that these compounds have good thermal stability and passage, are resistant to acidic environment and sensitive to alkaline conditions. Further analysis showed that it is a volatile component. Using HS-SPME-GC/MS, the volatile compounds produced by Bacillus altitudinis AMCC 1040 were identified and grouped into four major categories: ethers, alcohols, ketone, and organic acids, comprising a total of eight molecules. Six of them possess nematicidal activities, including 2,3-butanedione, acetic acid, 2-isopropoxy ethylamine, 3-methylbutyric acid, 2-methylbutyric acid and octanoic acid. Our results further our understanding of the effects of Bacillus altitudinis and its nematicidal metabolites on the management of Meloidogyne incognita and may help in finding less toxic nematicides to control root knot nematodes.

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