生物
膜翅目
进化生物学
比较基因组学
基因组学
基因组
系统基因组学
系统发育学
克莱德
基因组进化
生态学
遗传学
基因
作者
Chun He,Yi Yang,Xianxin Zhao,Junjie Li,Yuting Cai,Lijia Peng,Yuanyuan Liu,Shijiao Xiong,Mei Yang,Zhichao Yan,Jiale Wang,Shan Xiao,Ziwen Teng,Xueke Gao,Hui Xue,Qi Fang,Gōngyín Yè,Xinhai Ye
标识
DOI:10.1093/molbev/msaf221
摘要
Abstract The order Hymenoptera includes a large number of species with diverse lifestyles and is known for its significant contributions to natural ecosystems. To better understand the evolution of this diverse order, we performed large-scale comparative genomics on 131 species from 13 superfamilies, covering most representative groups. We used these genomes to reveal an overall pattern of genomic change in terms of gene content and evolutionary rate throughout hymenopteran history. We identified genes that possibly contributed to the evolution of several key innovations, such as parasitoidism, wasp-waist, stinger, and secondary phytophagy. We also discovered the distinct genomic trajectories between the clade containing major parasitoid wasps (Parasitoida) and stinging species (Aculeata) since their divergence, which are involved in many aspects of genomic change, such as rapidly evolving gene families, gene gain and loss, and metabolic pathway evolution. In addition, we explored the genomic features accompanying the three independent evolution of secondary phytophagy. Our work provides insights for understanding genome evolution and the genomic basis of diversification in Hymenoptera.
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