Chromosome-level genome assembly of ridgetail white shrimp Exopalaemon carinicauda

文献类型: 外文期刊

第一作者: Wang, Jiajia

作者: Wang, Jiajia;Lv, Jianjian;Ge, Qianqian;Wang, Qiong;He, Yuying;Li, Jian;Li, Jitao;Wang, Jiajia;Lv, Jianjian;Ge, Qianqian;Wang, Qiong;He, Yuying;Li, Jian;Li, Jitao;Shi, Miao

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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: Exopalaemon carinicauda, a eurythermal and euryhaline shrimp, contributes one third of the total biomass production of polyculture ponds in eastern China and is considered as a potential ideal experimental animal for research on crustaceans. We conducted a high-quality chromosome-level genome assembly of E. carinicauda combining PacBio HiFi and Hi-C sequencing data. The total assembly size was 5.86 Gb, with a contig N50 of 235.52 kb and a scaffold N50 of 138.24 Mb. Approximately 95.29% of the assembled sequences were anchored onto 45 pseudochromosomes. BUSCO analysis revealed that 92.89% of 1,013 single-copy genes were highly conserved orthologs. A total of 44, 288 protein-coding genes were predicted, of which 70.53% were functionally annotated. Given its high heterozygosity (2.62%) and large proportion of repeat sequences (71.49%), it is one of the most complex genome assemblies. This chromosome-scale genome will be a valuable resource for future molecular breeding and functional genomics research on E. carinicauda.

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