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Main Authors: Song, Yue, Yuan, Zengbao, Fang, Chengchi, Zhang, Suyu, Yang, Liandong, Hu, Mingliang, Seim, Inge, Liu, Shanshan, Tian, Xiaolin, Wang, Cheng, Zhang, Yaolei, Pan, Zhaohui, Qu, Qingming, Liu, Hongyue, Li, Yuanning, Pan, Luyuan, Zhu, Chenglong, Yang, Hengjia, Chen, Xiao, Zhang, Mengqi, Hou, Gang, Liu, Meiru, Wang, Jiahao, Liu, Qun, Gan, Xiaoni, Zeng, Honghui, Xu, Wenjie, Feng, Chenguang, Wang, Mengjun, Zhou, Zhuocheng, He, Song, Liu, Chenglong, Yu, Mengjun, Li, Hanbo, Liang, Jian, Zhang, He, Li, Yongxin, Ming-Yuen Lee, Simon, Sun, Yonghua, Qiu, Qiang, Liu, Xin, Kristiansen, Karsten, Wang, Wen, Wang, Jian, Zhu, Min, Yang, Huanming, Chen, Songlin, Gui, Jianfang, Chen, Yiyu, Zhang, Guojie, Xu, Xun, Wang, Kun, Fan, Guangyi, He, Shunping
Format: Artículo científico
Language:en
Published: Innovation (Cambridge (Mass.)) 2026
Online Access:https://pubmed.ncbi.nlm.nih.gov/41789145/
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Table of Contents:
  • A genomic compendium of hundreds of teleost fishes reveals their evolutionary landscape. Song, Yue Yuan, Zengbao Fang, Chengchi Zhang, Suyu Yang, Liandong Hu, Mingliang Seim, Inge Liu, Shanshan Tian, Xiaolin Wang, Cheng Zhang, Yaolei Pan, Zhaohui Qu, Qingming Liu, Hongyue Li, Yuanning Pan, Luyuan Zhu, Chenglong Yang, Hengjia Chen, Xiao Zhang, Mengqi Hou, Gang Liu, Meiru Wang, Jiahao Liu, Qun Gan, Xiaoni Zeng, Honghui Xu, Wenjie Feng, Chenguang Wang, Mengjun Zhou, Zhuocheng He, Song Liu, Chenglong Yu, Mengjun Li, Hanbo Liang, Jian Zhang, He Li, Yongxin Ming-Yuen Lee, Simon Sun, Yonghua Qiu, Qiang Liu, Xin Kristiansen, Karsten Wang, Wen Wang, Jian Zhu, Min Yang, Huanming Chen, Songlin Gui, Jianfang Chen, Yiyu Zhang, Guojie Xu, Xun Wang, Kun Fan, Guangyi He, Shunping The remarkable morphological diversity and species abundance of teleost fishes offer a valuable resource for understanding vertebrate evolution. In phase I of the Fish10K project, genomes of 110 teleost species were sequenced and assembled, filling gaps in 3 previously unrepresented orders, and integrated with existing data to generate a 464 species whole-genome alignment spanning all teleost orders-the largest such resource beyond mammals and birds. Comparative analyses reveal distinctive genomic features, including progressive genome compaction with shortened intron lengths relative to non-teleost ray-finned fishes. Analysis of the transposable element (TE) landscape suggests a potential association between TE expansion in teleost genomes and different habitats, as well as the uniqueness of teleosts' DNA-dominated transposon composition among vertebrates. Genome-wide phylogenetic analyses refute the widely accepted monophyly of "Siluriphysi" hypothesis and support the hypothesis of a single origin of electroreception followed by secondary loss in Characiformes. A refined evolutionary timeline of teleosts by whole-genome alignment resource placed teleosts at ∼253 million years ago, predating the Permian-Triassic extinction, and delineates three diversification phases punctuated by mass extinctions, challenging continuous post-Cretaceous-Palaeogene acceleration models. This study establishes a large-scale genomic database and a foundational whole-genome alignment resource, advancing insights into the landscape of teleost genomic architecture and macroevolution.

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