Volatile emission compounds from plant growth-promoting bacteria are responsible for the antifungal activity against F. solani
作者： Andrea Gutiérrez-Santa Ana , H. A. Carrillo-Cerda , J. Rodriguez-Campos , M. R. Kirchmayr , S. M. Contreras-Ramos
DOI: 10.1007/S13205-020-02290-6
关键词: Bacteria 、 16S ribosomal RNA 、 Mycelium 、 Pseudomonas 、 Siderophore 、 Extremophile 、 Fusarium solani 、 Chemistry 、 Food science 、 Bacillus
摘要: The aims of this work were to screen isolated bacteria with a dual capacity: inhibit Fusarium solani and promote plant growth. Also, volatile compounds that would be responsible for effect identified. Seventy bacterial strains from the air, agricultural soils, hydrocarbons-contaminated extremophile soils tested. former identified by Matrix-Assisted Laser Desorption/Ionization-time flight mass spectrometry 16S rDNA sequencing. growth-promoting (PGPB) their capability phosphate solubilization, siderophores production, indole production determined. Twenty isolates Bacillus Pseudomonas genera inhibited mycelial growth up 40% in direct assays. Eleven significantly 18–24% via emissions. Volatile related antifungal activity or stress response include ketones, sesquiterpenes, monoterpenoids, alkanes, fatty acids. Our results support potential these PGPB act as biocontrol agents against fungal pathogens
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