Effect of host shift on the gut microbes of Bactrocera cucurbitae (Coquillett) (Diptera: Tephritidae)

文献类型： 外文期刊

第一作者： Tian, Zhenya

作者： Tian, Zhenya;Chen, Guangmei;Tian, Zhenya;Chen, Lixiang;Chen, Guangmei;Wang, Jingjing;Ma, Chao;Zhang, Yan;Gao, Xuyuan;Chen, Hongsong;Zhou, Zhongshi;Tian, Zhenya;Chen, Lixiang;Chen, Guangmei;Wang, Jingjing;Ma, Chao;Zhang, Yan;Gao, Xuyuan;Chen, Hongsong;Zhou, Zhongshi;Gao, Xuyuan;Chen, Hongsong

作者机构：

关键词： Bactrocera cucurbitae; gut microorganisms; original host; different hosts; host transfer

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：5.2； 五年影响因子：6.2 ）

ISSN：

年卷期： 2023 年 14 卷

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收录情况： SCI

摘要： Background Gut microbes play an important role in the adaptation of insects. Polyphagous insects usually undergo changes in gut microbiota after host shift. The Bactrocera cucurbitae have a wide range of hosts, but the dynamic of gut microorganisms during host shift have not been thoroughly investigated. To understand the role of gut microbes in insect adaptation, it is necessary to study the dynamics of insect gut microorganisms during host transfer.Methods Using Bactrocera cucurbitae (Coquillett) (Diptera: Tephritidae) and its four hosts as study subjects, we investigated the dynamics of gut microbes during host transfer and the effects of different hosts on the gut microbial composition of B. cucurbitae.Results The results showed that the Chao1 index of B. cucurbitae decreased significantly during host transfer, and the intestinal microorganisms were significantly affected by the original host, host, and generations. Furthermore, predicated changes in the abundance of secondary metabolite pathways after host transfer suggested that microorganisms may play an important role in the degradation of secondary metabolites, among which Providencia and Morganella have important functions in the gut of B. cucurbitae.Conclusion This implied that microorganisms play a function in the host transfer process of B. cucurbitae and may be an important cofactor in the adaptation of B. cucurbitae to different hosts and environments, providing new research ideas for the future control of B. cucurbitae.

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