A chromosome-level genome assembly and annotation of the Pseudorasbora elongata (Cypriniformes: Cyprinidae)
文献类型： 外文期刊
作者： Wang, Pan 1 ; Yin, Denghua 1 ; Jiang, Min 1 ; Xie, Lingli 1 ; Liu, Jie 1 ; Chen, Yukuan 2 ; Wang, Xinyue 3 ; Shao, Yan 1 ; 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.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi, Peoples R China
3.Anhui Normal Univ, Sch Ecol & Environm, Wuhu, 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： 2025 年 12 卷 1 期
页码：
收录情况： SCI
摘要： Pseudorasbora elongata is a unique small fish species endemic to China, distinguished by its striking body coloration resembling a "Chinese ink brush." Due to environmental changes and anthropogenic factors, its wild populations have declined, and it has been listed multiple times as an endangered species. However, the absence of a chromosomal-level reference for P. elongata has hindered our understanding of its population genetics and conservation biology. To address this gap, we present a chromosome-level genome assembly of P. elongata, generated using PacBio HiFi reads, Oxford Nanopore Technologies, and Hi-C data. We get a genome size of 1.4 Gb with a contig N50 of 34.4 Mb and a scafold N50 of 53.7 Mb. Telomeric sequences were identified at the ends of 42 telomeres across 25 chromosomes. Notably, we observed a high degree of collinearity between our assembly and the Pseudorasbora parva genome. This study provides valuable insights into the genetics, genomics, and evolutionary history of P. elongata, offering a foundation for future research and enabling the development of genetic conservation strategies.
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