Transposable elements shape the landscape of heterozygous structural variation in a bird genome

作     者：Bo-Ping Li Na Kang Zao-Xu Xu Hao-Ran Luo Shi-Yu Fan Xiao-Han Ao Xing Li Ya-Peng Han Xiao-Bin Ou Luo-Hao Xu Bo-Ping Li;Na Kang;Zao-Xu Xu;Hao-Ran Luo;Shi-Yu Fan;Xiao-Han Ao;Xing Li;Ya-Peng Han;Xiao-Bin Ou;Luo-Hao Xu

作者机构：Gansu Key Laboratory of Protection and Utilization for Biological Resources and Ecological Restoration in LongdongLongdong UniversityQingyangGansu 745000China Integrative Science Center of Germplasm Creation in Western China(Chongqing)Science CityMOE Key Laboratory of Freshwater Fish Reproduction and DevelopmentSchool of Life SciencesSouthwest UniversityChongqing 400715China College of MedicineLongdong UniversityQingyangGansu 745000China Key Laboratory of Ministry of Education for the Coastal and Wetland EcosystemsCollege of the Environment and EcologyXiamen UniversityXiamenFujian 361102China 

出 版 物：《Zoological Research》 (动物学研究(英文))

年 卷 期：2025年第46卷第1期

页      面：75-86页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 0905[农学-畜牧学] 09[农学] 071007[理学-遗传学] 090501[农学-动物遗传育种与繁殖] 

基　　金：supported by the Foundation of Gansu Key Laboratory of Protection and Utilization for Biological Resources and Ecological Restoration in Longdong (LDSWZY202103) Natural Science Foundation of Gansu Province (22JR5RM210)to B.P.L Gansu Ziwuling Ecosystem Observation and Research Station (20JR10RA658) 

主　　题：Golden pheasant Structural variation Transposable elements Chromosome evolution 

摘      要：Avian genomes exhibit compact organization and remarkable chromosomal ***,the extent and mechanisms by which structural variation in avian genomes differ from those in other vertebrate lineages are poorly *** study generated a diploid genome assembly for the golden pheasant(Chrysolophus pictus),a species distinguished by the vibrant plumage of *** haploid genome assembly included complete chromosomalmodels,incorporatingall *** revealed extensive tandem amplification of immune-related genes across the smallest microchromosomes(dot chromosomes),with an average copy number of *** variation between the haploid genomes was primarily shaped by large insertions and deletions(indels),with minimal contributions from inversions or *** 28%of these large indels were associated with recent insertions of transposable elements,despite their typically low activity in bird *** for significant effects of transposable elements on gene expression was *** strata on the sex chromosomes were identified,along with a drastic rearrangement of the W *** analyses of the high-quality diploid genome of the golden pheasant provide valuable insights into the evolutionary patterns of structural variation in avian genomes.