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Accession IconERP114816

RNA-seq of Brassica napus root and shoot tissues after infection with Pseudomonas aeruginosa

Organism Icon Brassica napus
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Technology Badge IconIllumina HiSeq 2500

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Phytohormones control many vital biological processes within plants, including growth and development, senescence, seed setting, fruit ripening and innate immunity. These biological processes are controlled by specific combinations of multiple phytohormones. The three main phytohormones involved in plant innate immunity are salicylic acid (SA), jasmonic acid (JA) and ethylene (ET). SA is produced in response to biotrophic and hemibiotrophic pathogens. Whereas, JA and ET are produced in response to necrotrophic pathogens. Pseudomonas aeruginosa is found ubiquitously within the environment, and has been shown to participate in both beneficial and pathogenic interactions with host plants depending on bacterial strain and environment. In this study, we found that Brassica napus (canola) seedlings infected with P. aeruginosa strain PA14 displayed symptoms of disease and had significant weight loss in both root and shoot. Our transcriptomic data revealed that many molecular processes involved in plant innate immunity were upregulated, whereas photosynthesis was downregulated.
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