Chromosome-scale genomes of ecologically and economically important rabbitfish Siganus guttatus and Siganus oramin
文献类型： 外文期刊
作者： Xian, Lin 1 ; Sahu, Sunil Kumar 4 ; Huang, Xiaolin 1 ; Li, Chao 7 ; Liang, Yu 1 ; Ou-Yang, Yan 1 ; Guo, Huayang 1 ; Liu, Bo 1 ; Zhu, Kecheng 1 ; Liu, Baosuo 1 ; Zhang, Nan 1 ; Zhu, Tengfei 1 ; Li, Qiye 4 ; Zhang, Dianchang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploita, Minist Agr & Rural Affairs, Guangzhou 510300, Peoples R China
2.Sanya Trop Fisheries Res Inst, Sanya 572018, Peoples R China
3.State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao, Peoples R China
4.BGI Shenzhen, State Key Lab Agr Genom, Shenzhen 518083, Peoples R China
5.BGI Res, Wuhan 430074, Peoples R China
6.Guangdong Prov Engineer Technol Res Ctr Marine Bio, Guangzhou 510300, Peoples R China
7.South China Normal Univ, Guangdong Prov Engn Technol Res Ctr Environmentall, Sch Life Sci, Guangzhou Key Lab Subtrop Biodivers & Biomonitorin, Guangzhou, Peoples R China
关键词： Fish; Siganus guttatus; Siganus oramin; Genome; HiC
期刊名称：GENOMICS （ 影响因子：3.0； 五年影响因子：3.3 ）
ISSN： 0888-7543
年卷期： 2025 年 117 卷 2 期
页码：
收录情况： SCI
摘要： Siganus guttatus and Siganus oramin are two major species that are naturally distributed along the Eastern Pacific coast and possess considerable ecological and economic value. Here, we present the construction and comparative analysis of the chromosome-level genomes of these two Siganus species. Employing a hybrid assembly strategy, we partitioned and independently assembled the PacBio, Illumina and Hi-C reads of S. guttatus and S. oramin, resulting in chromosome-level genomes. The assembly sizes (N50 size, BUSCO completeness) of the two genomes were 642.4 M (25.76 M, 98.26 %) and 502.8 M (16.98 M, 98.8 %) for S. guttatus and S. oramin, respectively, exhibiting high contiguity and integrity. This study marks the first successful assembly of chromosome-level genomes in Siganus species, along with an initial exploration of their dietary habits and habitats through comparative genomics analysis. These findings offer essential resources for comparative genomics and molecular evolution research.
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