Haplotype resolved chromosome-level genome assembly of the gold barb (Barbodes semifasciolatus)
文献类型： 外文期刊
作者： Chen, Weitao 1 ; Li, Chao 4 ; Yang, Rong 4 ; Li, Yuefei 1 ; Wu, Baosheng 5 ; Li, Jie 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Peoples R China
2.Minist Agr & Rural Affairs, Key Lab Prevent & Control Aquat Invas Alien Specie, Guangzhou 510380, Guangdong, Peoples R China
3.Sci Observing & Expt Stn Natl Fisheries Resources, Guangzhou 510380, Guangdong, Peoples R China
4.South China Normal Univ, Guangdong Prov Engn Technol Res Ctr Environm,Frien, Sch Life Sci, Guangzhou Key Lab Subtrop Biodivers & Biomonitorin, Guangzhou 510631, Peoples R China
5.Guangdong Acad Sci, Inst Zool, Guangdong Key Lab Anim Conservat & Resource Utiliz, Guangzhou 510260, Peoples R China
期刊名称：SCIENTIFIC DATA （ 影响因子：6.9； 五年影响因子：8.7 ）
ISSN：
年卷期： 2025 年 12 卷 1 期
页码：
收录情况： SCI
摘要： The gold barb (Barbodes semifasciolatus), a member of the Cyprinidae family, exhibits remarkable adaptability to highly acidic environments, making it an ideal model for studying extreme environmental adaptation. However, its genome has not been previously characterized. To address this, we assembled a high-quality chromosome-scale genome for B. semifasciolatus using High-Fidelity (HiFi) sequencing and Hi-C technology. The resulting haplotype-resolved assemblies, spanning 776 Mb and 779 Mb across 25 chromosomes, achieved genome coverages of 99.5% and 99.7%, respectively, and included four gap-free chromosomes. Genome quality assessment using BUSCO indicated a high completeness score of 98.2% for haplotype1 and 98.3% for haplotype2, further validated by strong synteny with the zebrafish (Danio rerio), confirming the assembly's integrity and continuity. Through integration of full-length transcriptome data, RNA sequencing, and homology-based annotation, we identified 26,057 protein-coding genes with 2,087 pseudogenes in haplotype 2, and 25,622 protein-coding genes with 2,101 pseudogenes in haplotype 1. This high-resolution genome assembly is a crucial resource for advancing research in the Cyprinidae, particularly for understanding adaptive evolution in extreme environments.
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