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Telomere-to-telomere gapless genome assembly of the giant grouper (Epinephelus lanceolatus)

文献类型： 外文期刊

作者： Zhou, Qian 1 ; Liu, Xuhui 1 ; Song, Yue 4 ; Li, Ming 1 ; Fan, Guangyi 4 ; Chen, Songlin 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China

2.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China

3.Ocean Univ China, Coll Marine Life Sci, Qingdao 266003, Peoples R China

4.BGI Qingdao, Qingdao, 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： 2024 年 11 卷 1 期

页码：

收录情况： SCI

摘要： The giant grouper (Epinephelus lanceolatus) is a large coral reef fish distributed in the Indian Ocean and the Pacific Ocean. With a high market value, this species can grow up to approximately 2.7 meters in length and weigh 440 kilograms. With the rapid development of bioinformatics, higher standards of genome analysis are now required compared to previous reference genomes. This study presents a gapless assembly of the giant grouper genome, which has a length of 1.03 Gb. The sequences were assembled onto 24 chromosomes with a coverage of over 99% (1.02 Gb), and telomeres were detected on 24 chromosomes. Analysis using Merqury indicated a high level of accuracy, with an average consensus quality value of 59.24. The ONT ultralong and PacBio HiFi data were aligned with the assembly using minimap2, resulting in a mapping rate of 99.9%. The study inferred 25,815 protein-coding genes. These results lay a foundation for exploring the evolution and biology of the giant grouper, and advancing molecular breeding techniques.

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