Importance of endosymbionts Wolbachia and Rickettsia in insect resistance development

文献类型： 外文期刊

第一作者： Liu, Xiang-Dong

作者： Liu, Xiang-Dong;Guo, Hui-Fang

作者机构：

期刊名称：CURRENT OPINION IN INSECT SCIENCE （ 影响因子：5.186； 五年影响因子：5.917 ）

ISSN： 2214-5745

年卷期： 2019 年 33 卷

页码：

收录情况： SCI

摘要： Endosymbionts play important roles in protecting hosts from environmental stress, such as natural enemies, heat, and toxins. Many insects are infected with the facultative nonessential endosymbionts Wolbachia and Rickettsia, which are the crux in this review, although other relevant symbiont genera will also be treated. Insecticide resistance of hosts can be related to infections with Wolbachia and Rickettsia. These endosymbionts commonly increase host susceptibility to chemical insecticides, but cases of increased resistance also exist. The symbiont-mediated insecticide resistance/susceptibility varies with species of insect, species of symbiont, and chemical compound. Changes in insecticide resistance levels of insects can be associated with fluctuations in population density of endosymbionts. Effects of endosymbionts on host fitness, metabolism, immune system, and gene expression may determine how endosymbionts influence insecticide resistance. A clearer understanding of these interactions can improve our knowledge about drivers of decreasing insecticide resistance.

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