A chromosome-level genome assembly and evolutionary analysis of Coregonus ussuriensis Berg

文献类型： 外文期刊

第一作者： Huang, Tianqing

作者： Huang, Tianqing;Liu, Enhui;Cao, Baorui;Li, Wenwen;Wang, Gaochao;Gu, Wei;Ma, Haibing;Wang, Bingqian;Xu, Gefeng;Dong, Fulin

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期刊名称：SCIENTIFIC DATA （ 影响因子：5.8； 五年影响因子：8.9 ）

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年卷期： 2024 年 11 卷 1 期

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收录情况： SCI

摘要： Coregonus ussuriensis Berg, distributed widely in cold waters above 45 degrees N latitude, is a savored freshwater whitefish that has been included in the list of endangered animals as a consequence of overfishing. Lack of genomic information seriously hampers evolutionary and genetic research on C. ussuriensis warranting the need to assemble a high-quality reference genome to promote its genetic breeding. We assembled and constructed a reference chromosome-level C. ussuriensis genome (sequence length, 2.51 Gb; contig N50 length, 4.27 Mb) using PacBio sequencing and Hi-C assembly technology, 3,109 contigs were assembled into scaffolds, resulting in a genome assembly with 40 chromosomes and a scaffold N50 length of 62.20 Mb. In addition, 43,320 protein-coding genes were annotated. The peak Ks position in the species comparison reflects the whole-genome replication event of C. ussuriensis. This chromosome-level genome provides reference data for further studies on the molecular breeding of C. ussuriensis.

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