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Telomere-to-telomere gapless genome assembly of the Chinese sea bass (Lateolabrax maculatus)

文献类型： 外文期刊

作者： Sun, Zhilong 1 ; Li, Shuo 2 ; Liu, Yuyan 2 ; Li, Weijing 2 ; Liu, Kaiqiang 2 ; Cao, Xuebin 3 ; Lin, Jiliang 3 ; Wang, Hongyan 2 ; Wang, Qian 2 ; Shao, Changwei 2 ;

作者机构： 1.Dalian Ocean Univ, Coll Marine Technol & Environm, Dalian 116023, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Natl Key Lab Mariculture Biobreeding & Sustainable, Qingdao 266071, Shandong, Peoples R China

3.Yantai Jinghai Marine Fisheries Co Ltd, Yantai, Peoples R China

期刊名称：SCIENTIFIC DATA （ 影响因子：9.8； 五年影响因子：10.8 ）

ISSN：

年卷期： 2024 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Chinese sea bass (Lateolabrax maculatus) is a highly sought-after commercial seafood species in Asian regions due to its excellent nutritional value. With the rapid advancement of bioinformatics, higher standards for genome analysis compared to previously published reference genomes are now necessary. This study presents a gapless assembly of the Chinese sea bass genome, which has a length of 632.75 Mb. The sequences were assembled onto 24 chromosomes with a coverage of over 99% (626.61 Mb), and telomeres were detected on 34 chromosome ends. Analysis using Merqury indicated a high level of accuracy, with an average consensus quality value of 54.25. The ONT ultralong and PacBio HiFi data were aligned with the assembly using minimap2, resulting in a mapping rate of 99.9%. The study also identified repeating elements in 20.90% (132.25 Mb) of the genome and inferred 22,014 protein-coding genes. These results establish meaningful groundwork for exploring the evolution of the Chinese sea bass genome and advancing molecular breeding techniques.

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