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Gapless genome assembly of East Asian finless porpoise

文献类型: 外文期刊

作者: Yin, Denghua 1 ; Chen, Chunhai 2 ; Lin, Danqing 1 ; Zhang, Jialu 1 ; Ying, Congping 3 ; Liu, Yan 1 ; Liu, Wang 3 ; Cao, Zhichen 4 ; Zhao, Chenxi 2 ; Wang, Chenhe 2 ; Liang, Liping 2 ; Xu, Pao 1 ; Jian, Jianbo 2 ; Liu, Kai 1 ;

作者机构: 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resources, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China

2.BGI Shenzhen, BGI Genom, Shenzhen 518083, Peoples R China

3.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

4.Shanghai Ocean Univ, Natl Demonstrat Ctr Expt Fisheries Sci Educ, Shanghai 201306, Peoples R China

期刊名称:SCIENTIFIC DATA ( 影响因子:8.501; 五年影响因子:11.211 )

ISSN:

年卷期: 2022 年 9 卷 1 期

页码:

收录情况: SCI

摘要: In recent years, conservation efforts have increased for rare and endangered aquatic wildlife, especially cetaceans. However, the East Asian finless porpoise (Neophocaena asiaeorientalis sunameri), which has a wide distribution in China, has received far less attention and protection. As an endangered small cetacean, the lack of a chromosomal-level reference for the East Asian finless porpoise limits our understanding of its population genetics and conservation biology. To address this issue, we combined PacBio HiFi long reads and Hi-C sequencing data to generate a gapless genome of the East Asian finless porpoise that is approximately 2.5 Gb in size over its 21 autosomes and two sex chromosomes (X and Y). A total of 22,814 protein-coding genes were predicted where similar to 97.31% were functionally annotated. This high-quality genome assembly of East Asian finless porpoise will not only provide new resources for the comparative genomics of cetaceans and conservation biology of threatened species, but also lay a foundation for more speciation, ecology, and evolutionary studies.

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