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| Content Provider | PubMed Central |
|---|---|
| Author | Bian, Chao Hu, Yinchang Ravi, Vydianathan Kuznetsova, Inna S. Shen, Xueyan Mu, Xidong Sun, Ying You, Xinxin Li, Jia Li, Xiaofeng Qiu, Ying Tay, Boon-hui May, Thevasagayam Natascha Komissarov, Aleksey S. Trifonov, Vladimir Kabilov, Marsel Tupikin, Alexey Luo, Jianren Liu, Yi Song, Hongmei Liu, Chao Wang, Xuejie Gu, Dangen Yang, Yexin Li, Wujiao Polgar, Gianluca Fan, Guangyi Zeng, Peng Zhang, He Xiong, Zijun Tang, Zhujing Peng, Chao Ruan, Zhiqiang Yu, Hui Chen, Jieming Fan, Mingjun Huang, Yu Wang, Min Zhao, Xiaomeng Hu, Guojun Yang, Huanming Wang, Jian Wang, Jun Xu, Xun Song, Linsheng Xu, Gangchun Xu, Pao Xu, Junmin O’brien, Stephen J. Orbán, László Venkatesh, Byrappa Shi, Qiong |
| Copyright Year | 2016 |
| Abstract | The Asian arowana (Scleropages formosus), one of the world’s most expensive cultivated ornamental fishes, is an endangered species. It represents an ancient lineage of teleosts: the Osteoglossomorpha. Here, we provide a high-quality chromosome-level reference genome of a female golden-variety arowana using a combination of deep shotgun sequencing and high-resolution linkage mapping. In addition, we have also generated two draft genome assemblies for the red and green varieties. Phylogenomic analysis supports a sister group relationship between Osteoglossomorpha (bonytongues) and Elopomorpha (eels and relatives), with the two clades together forming a sister group of Clupeocephala which includes all the remaining teleosts. The arowana genome retains the full complement of eight Hox clusters unlike the African butterfly fish (Pantodon buchholzi), another bonytongue fish, which possess only five Hox clusters. Differential gene expression among three varieties provides insights into the genetic basis of colour variation. A potential heterogametic sex chromosome is identified in the female arowana karyotype, suggesting that the sex is determined by a ZW/ZZ sex chromosomal system. The high-quality reference genome of the golden arowana and the draft assemblies of the red and green varieties are valuable resources for understanding the biology, adaptation and behaviour of Asian arowanas. |
| Related Links | http://dx.doi.org/10.1038/srep24501 |
| Starting Page | 24501 |
| File Format | |
| ISSN | 20452322 |
| e-ISSN | 20452322 |
| Journal | Scientific Reports |
| Volume Number | 6 |
| Language | English |
| Publisher | Nature Publishing Group |
| Publisher Date | 2016-04-01 |
| Access Restriction | Open |
| Rights Holder | Nature Publishing Group |
| Subject Keyword | Science and technology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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