Effects of insulin-like peptide 7 in Bemisia tabaci MED on tomato chlorosis virus transmission
文献类型： 外文期刊
作者： Xu, HuiNan 1 ; Zhang, ZhanHong 3 ; Zhang, Zhuo 2 ; Peng, Jing 2 ; Gao, Yang 2 ; Li, KaiLong 2 ; Chen, Jianbin 2 ; Du, Jiao 2 ; Yan, Shuo 2 ; Zhang, DeYong 1 ; Zhou, XuGuo 4 ; Shi, XiaoBin 1 ; Liu, Yong 1 ;
作者机构： 1.Hunan Univ, Sch Biol, Longping Branch, Changsha, Peoples R China
2.Hunan Acad Agr Sci, Inst Plant Protect, 726, 2nd Sect, Yuanda Rd, Changsha 410125, Peoples R China
3.Hunan Acad Agr Sci, Inst Vegetable, Changsha, Peoples R China
4.Univ Kentucky, Dept Entomol, Lexington, KY USA
关键词： Bemisia tabaci MED; tomato chlorosis virus; trehalose metabolism; insulin-like peptide 7; RNA interference
期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.1； 五年影响因子：4.4 ）
ISSN： 1526-498X
年卷期： 2023 年 79 卷 4 期
页码：
收录情况： SCI
摘要： BACKGROUNDTomato chlorosis virus (ToCV) is a semi-persistent plant virus that is primarily transmitted by the whitefly Bemisia tabaci (Hemiptera: Aleyrodidae). It causes a serious disease that lowers tomato yield. Insulin-like peptide (ILP), an insulin homolog, regulates trehalose metabolism in a variety of insects. In a previous study, we discovered that trehalose metabolism is required for whiteflies to transmit ToCV effectively. Furthermore, transcriptome sequencing revealed that the BtILP7 gene was highly expressed in B. tabaci infected with ToCV. Therefore, the whitefly ILP7 gene may facilitate the transmission of ToCV and be an attractive target for the control of whiteflies and subsequently ToCV. RESULTSThe ToCV content in B. tabaci MED was found to be correlated with BtILP7 gene expression. Subsequent RNA interference (RNAi) of the BtILP7 gene had a significant impact on B. tabaci MED's trehalose metabolism and reproductive capacity, as well as ability to transmit ToCV. CONCLUSIONSThese results indicate that the BtILP7 gene was closely related to ToCV transmission by regulating trehalose metabolism and reproduction behavior, thus providing a secure and environmentally friendly management strategy for the control of whiteflies and ToCV-caused disease. (c) 2022 Society of Chemical Industry.
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