Real-time monitoring of Ralstonia solanacearum infection progress in tomato and Arabidopsis using bioluminescence imaging technology
文献类型： 外文期刊
作者： Xu, Cuihong 1 ; Zhong, Lingkun 1 ; Huang, Zeming 1 ; Li, Chenying 1 ; Lian, Jiazhang 2 ; Zheng, Xuefang 3 ; Liang, Yan 1 ;
作者机构： 1.Zhejiang Univ, Inst Biotechnol, Minist Agr, Key Lab Mol Biol Crop Pathogens & Insects, Hangzhou 310058, Peoples R China
2.Zhejiang Univ, Coll Chem & Biol Engn, Key Lab Biomass Chem Engn, Minist Educ, Hangzhou 310027, Peoples R China
3.Fujian Acad Agr Sci, Agr Bioresources Res Inst, 247 Wusi Rd, Fuzhou 350003, Peoples R China
关键词： Ralstonia solanacearum; Arabidopsis; Bioluminescence; LuxCDABE; Bacterial wilt
期刊名称：PLANT METHODS （ 影响因子：5.827； 五年影响因子：5.904 ）
ISSN：
年卷期： 2022 年 18 卷 1 期
页码：
收录情况： SCI
摘要： Background Ralstonia solanacearum, one of the most devastating bacterial plant pathogens, is the causal agent of bacterial wilt. Recently, several studies on resistance to bacterial wilt have been conducted using the Arabidopsis-R. solanacearum system. However, the progress of R. solanacearum infection in Arabidopsis is still unclear. Results We generated a bioluminescent R. solanacearum by expressing plasmid-based luxCDABE. Expression of luxCDABE did not alter the bacterial growth and pathogenicity. The light intensity of bioluminescent R. solanacearum was linearly related to bacterial concentrations from 10(4) to 10(8) CFU center dot mL(-1). After root inoculation with bioluminescent R. solanacearum strain, light signals in tomato and Arabidopsis were found to be transported from roots to stems via the vasculature. Quantification of light intensity from the bioluminescent strain accurately reported the difference in disease resistance between Arabidopsis wild type and resistant mutants. Conclusions Bioluminescent R. solanacearum strain spatially and quantitatively measured bacterial growth in tomato and Arabidopsis, and offered a tool for the high-throughput study of R. solanacearum-Arabidopsis interaction in the future.
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