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- 저자 : Alariqi Muna (검색결과 1 건)
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Alariqi Muna,Wei Hao,Cheng Junqi,Sun Yiwen,Zhu Hanyue,Wen Tianwang,Li Yapei,Wu Chenglin,Jin Shuangxia,Cao Jinglin 한국식물생명공학회 2022 Plant biotechnology reports Vol.16 No.6
Tobacco bacterial wilt caused by Ralstonia solanacearum invades tobacco plants during the whole growth period afecting yield and quality. However, the transcriptome profling of tobacco plant in response to bacterial wilt has not been well studied. In this study, we identifed the transcriptional profles of bacterial wilt-resistant (ac Yanyan97) and -susceptible (ac Honghuadajinyuan) tobacco cultivars infected with R. solanacearum at six time points by RNA sequencing. Gene expression analysis showed that the resistant cultivar manifested a faster change in the expression of defense-related genes than the susceptible cultivar during R. solanacearum infection, by which more diferentially expressed genes (DEGs) were up-regulated rather than down-regulated at all time points. Functional analysis indicated that DEGs were involved in plant hormones, glutathione and secondary metabolic pathways associated with tobacco resistance to bacterial wilt induced by R. solanacearum. Through subsequent Short Time-series Expression Miner (STEM) and weighted correlation network (WGCNA) analyses, the phenylpropanoid metabolic pathway was identifed as a key pathway for tobacco defense against R. solanacearum infestation. In summary, our results provide transcriptomic profles of tobacco response to R. solanacearum infestation
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