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Genomic signatures associated with maintenance of genome stability and venom turnover in two parasitoid wasps

文献类型： 外文期刊

作者： Ye, Xinhai 1 ; Yang, Yi 1 ; Zhao, Can 5 ; Xiao, Shan 1 ; Sun, Yu H. 6 ; He, Chun 1 ; Xiong, Shijiao 1 ; Zhao, Xianxin 1 ; Zhang, Bo 1 ; Lin, Haiwei 1 ; Shi, Jiamin 1 ; Mei, Yang 1 ; Xu, Hongxing 7 ; Fang, Qi 1 ; Wu, Fei 3 ; Li, Dunsong 5 ; Ye, Gongyin 1 ;

作者机构： 1.Zhejiang Univ, Inst Insect Sci, State Key Lab Rice Biol, Hangzhou, Peoples R China

2.Zhejiang Univ, Inst Insect Sci, Minist Agr & Rural Affairs, Key Lab Mol Biol Crop Pathogens & Insects, Hangzhou, Peoples R China

3.Zhejiang Univ, Shanghai Inst Adv Study, Shanghai, Peoples R China

4.Zhejiang Univ, Coll Comp Sci & Technol, Hangzhou, Peoples R China

5.Guangdong Acad Agr Sci, Inst Plant Protect, Guangdong Prov Key Lab High Technol Plant Protect, Minist Agr & Rural Affairs,Key Lab Green Prevent, Guangzhou, Peoples R China

6.Univ Rochester, Dept Biol, Rochester, NY 14627 USA

7.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Treats Qual &, Hangzhou, Peoples R China

期刊名称：NATURE COMMUNICATIONS （ 影响因子：17.694； 五年影响因子：17.763 ）

ISSN：

年卷期： 2022 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Parasitoid wasps are rapidly developing as a model for evolutionary biology. Here, the authors analyze the genomes of two Anastatus wasps, revealing genomic innovations related to maintenance of genomic stability, and rapid turnover of venom genes. Parasitoid wasps are rapidly developing as a model for evolutionary biology. Here we present chromosomal genomes of two Anastatus wasps, A. japonicus and A. fulloi, and leverage these genomes to study two fundamental questions-genome size evolution and venom evolution. Anastatus shows a much larger genome than is known among other wasps, with unexpectedly recent bursts of LTR retrotransposons. Importantly, several genomic innovations, including Piwi gene family expansion, ubiquitous Piwi expression profiles, as well as transposable element-piRNA coevolution, have likely emerged for transposable element silencing to maintain genomic stability. Additionally, we show that the co-option evolution arose by expression shifts in the venom gland plays a dominant role in venom turnover. We also highlight the potential importance of non-venom genes that are coexpressed with venom genes during venom evolution. Our findings greatly advance the current understanding of genome size evolution and venom evolution, and these genomic resources will facilitate comparative genomics studies of insects in the future.

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