文献类型： 外文期刊
作者： Guo, Huifang 1 ; Wang, Na 1 ; Niu, Hongtao 1 ; Zhao, Dongxiao 1 ; Zhang, Zhichun 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Plant Protect, 50 Zhongling St, Nanjing 210014, Jiangsu, Peoples R China
关键词： Nilaparvata lugens; Wolbachia; Arsenophonus; Co-infection
期刊名称：BMC ECOLOGY AND EVOLUTION
ISSN：
年卷期： 2021 年 21 卷 1 期
页码：
收录情况： SCI
摘要： Background Co-infection of endosymbionts in the same host is ubiquitous, and the interactions of the most common symbiont Wolbachia with other symbionts, including Spiroplasma, in invertebrate organisms have received increasing attention. However, the interactions between Wolbachia and Arsenophonus, another widely distributed symbiont in nature, are poorly understood. We tested the co-infection of Wolbachia and Arsenophonus in different populations of Nilaparvata lugens and investigated whether co-infection affected the population size of the symbionts in their host. Results A significant difference was observed in the co-infection incidence of Wolbachia and Arsenophonus among 5 populations of N. lugens from China, with nearly half of the individuals in the Zhenjiang population harbouring the two symbionts simultaneously, and the rate of occurrence was significantly higher than that of the other 4 populations. The Arsenophonus density in the superinfection line was significantly higher only in the Maanshan population compared with that of the single-infection line. Differences in the density of Wolbachia and Arsenophonus were found in all the tested double-infection lines, and the dominant symbiont species varied with the population only in the Nanjing population, with Arsenophonus the overall dominant symbiont. Conclusions Wolbachia and Arsenophonus could coexist in N. lugens, and the co-infection incidence varied with the geographic populations. Antagonistic interactions were not observed between Arsenophonus and Wolbachia, and the latter was the dominant symbiont in most populations.
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