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Rhodopseudomonas palustris PSB-06 Induces Plant Defense and Suppresses the Transmission of Tomato Chlorosis Virus by Bemisia tabaci MED

文献类型： 外文期刊

作者： Lu, Dingyihui 1 ; Yue, Hao 2 ; Chen, Jianbin 2 ; Wei, Yan 2 ; Zhang, Zhanhong 3 ; Zeng, Jun 4 ; Zhang, Zhuo 2 ; Zhou, Xuguo 5 ; Zheng, Limin 2 ; Gao, Yang 2 ; Peng, Jing 2 ; Shi, Xiaobin 1 ; Liu, Yong 2 ; Zhang, Deyong 1 ;

作者机构： 1.Hunan Univ, Subcoll Longping, Coll Biol, Grad Sch, Changsha 410125, Peoples R China

2.Hunan Acad Agr Sci, Inst Plant Protect, Changsha 410125, Peoples R China

3.Hunan Acad Agr Sci, Inst Vegetable, Changsha 410125, Peoples R China

4.Xinjiang Acad Agr Sci, Inst Microbial Applicat, Urumqi 830091, Peoples R China

5.Univ Kentucky, Dept Entomol, Lexington, KY 40546 USA

关键词： PSB-06; tomato chlorosis virus; Bemisia tabaci; plant defense; transmission

期刊名称：AGRONOMY-BASEL （ 影响因子：3.949； 五年影响因子：4.117 ）

ISSN：

年卷期： 2022 年 12 卷 11 期

页码：

收录情况： SCI

摘要： Tomato chlorosis virus (ToCV) is an RNA virus and a member of the Closteroviridae, Crinivirus, that is primarily vectored by Bemisia tabaci MED (B. tabaci MED). An outbreak of ToCV causes destructive damage to tomato plants and other solanaceous vegetables. Currently, ToCV has not been effectively controlled. Rhodopseudomonas palustris PSB-06 is a novel biological agent that is effective at controlling the tobacco mosaic virus (TMV). In this study, we investigated the role of PSB06 in ToCV-infected tomato plants, and we studied the effects of PSB-06 on plant defense and plant photosynthetic pathways. Furthermore, the effect of PSB-06 on the acquisition and transmission of B. tabaci MED was determined. The results showed that compared with water-treated tomato plants, the contents of jasmonic acid increased, and the activities of catalase, peroxidase and superoxide dismutase increased significantly in tomato plants treated with PSB-06. The relative expression of genes involved in chlorophyll development, chlorophyll metabolism and photosynthesis also increased significantly. Simultaneously, treatment with PSB-06 reduced the acquisition and transmission of B. tabaci MED. We verified the hypothesis that PSB-06 is effective at controlling ToCV by promoting plant defense responses and reducing the amount of ToCV in tomato plants. We also confirmed the ability of B. tabaci MED to transmit ToCV. This study should help to control B. tabaci MED and reduce the spread of ToCV.

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