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- Title
Transcriptomic response of Ralstonia solanacearum to antimicrobial Pseudomonas fluorescens SN15-2 metabolites.
- Authors
Lou, Haibo; Wang, Xiaobing; Chen, Jun; Wang, Bozhi; Wang, Wei
- Abstract
To develop efficient biocontrol agents, it is essential to investigate the response of soil-borne plant pathogens to such agents. For example, the response of Ralstonia solanacearum, the tomato wilt pathogen, to antimicrobial metabolites of Pseudomonas fluorescens is unknown. Thus, we assessed the effects of P. fluorescens SN15-2 fermentation broth on R. solanacearum by transmission electron microscopy and transcriptome technology. RNA sequencing identified 109 and 155 genes that are significantly upregulated and downregulated, respectively, in response to P. fluorescens metabolites, many of which are associated with the cell membrane and cell wall, and with nucleotide acid metabolism, iron absorption, and response to oxidative stress. This study highlights the effectiveness of P. fluorescens metabolites against the tomato wilt pathogen and helps clarify the underlying molecular mechanisms.
- Subjects
TRANSCRIPTOMES; RALSTONIA solanacearum; PSEUDOMONAS fluorescens; METABOLITES; FUNGAL morphology
- Publication
Canadian Journal of Microbiology, 2018, Vol 64, Issue 11, p816
- ISSN
0008-4166
- Publication type
Article
- DOI
10.1139/cjm-2018-0094