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学科主题: Evolutionary Biology; Developmental Biology; Zoology
题名: Hox Genes of the Japanese Eel Anguilla japonica and Hox Cluster Evolution in Teleosts
作者: Guo, Baocheng2; Gan, Xiaoni; He, Shunping1
通讯作者: He, SP, Chinese Acad Sci, Inst Hydrobiol, Fish Phylogeny & Biogeog Grp, Wuhan 430072, Hubei, Peoples R China
关键词: RAY-FINNED FISHES ; COMPARATIVE PHYLOGENOMIC ANALYSES ; GENOME DUPLICATION ; MITOGENOMIC PERSPECTIVE ; ASTATOTILAPIA-BURTONI ; PROVIDES EVIDENCE ; HOMEOBOX GENES ; FUGU-RUBRIPES ; VERTEBRATE ; ORGANIZATION
刊名: JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION
发表日期: 2010-03-15
DOI: 10.1002/jez.b.21318
卷: 314B, 期:2, 页:135-147
收录类别: SCI
文章类型: Article
部门归属: [He, Shunping] Chinese Acad Sci, Inst Hydrobiol, Fish Phylogeny & Biogeog Grp, Wuhan 430072, Hubei, Peoples R China; [Guo, Baocheng] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [30530120]
类目[WOS]: Evolutionary Biology ; Developmental Biology ; Zoology
研究领域[WOS]: Evolutionary Biology ; Developmental Biology ; Zoology
摘要: Compared with other diploid teleosts (2n = 48), anguilloid fish have a specialized karyotype (2n = 38) and remarkable morphological variation, and represent one basal group species of teleosts. To investigate the Hox gene/cluster inventory in basal teleosts, a PCR-based survey of Hox genes in the Japanese eel (Anguilla japonica) was conducted with both gene-specific and homeobox-targeted degenerate primers. Our data provide evidence that at least 34 distinct Hox genes exist in the Japanese eel genome and that they represent eight Hox clusters. Duplication of Hox genes in the Japanese eel appears to be the result of the fish-specific genome duplication (FSGD) event. The Japanese eel shared the FSGD event with other teleosts such as zebrafish and pufferfish. A member of Hox paralog group one (HoxA1b) was preserved in the Japanese eel but was lost in other teleosts. Available Hox data revealed that the Hox cluster evolved distinctly in different teleost lineages. All duplicated Hox clusters were retained after the FSGD event in basal teleosts like in the Japanese eel, whereas crown teleosts lost one cluster (HoxCb or HoxDb). Based on current teleostean phylogeny, the HoxDb cluster was lost independently in the teleost lineages Otocephala and Euteleostei. J. Exp. Zool. (Mol. Dev. Evol.) 314B:135-147, 2070. (C) 2009 Wiley-Liss, Inc.
英文摘要: Compared with other diploid teleosts (2n = 48), anguilloid fish have a specialized karyotype (2n = 38) and remarkable morphological variation, and represent one basal group species of teleosts. To investigate the Hox gene/cluster inventory in basal teleosts, a PCR-based survey of Hox genes in the Japanese eel (Anguilla japonica) was conducted with both gene-specific and homeobox-targeted degenerate primers. Our data provide evidence that at least 34 distinct Hox genes exist in the Japanese eel genome and that they represent eight Hox clusters. Duplication of Hox genes in the Japanese eel appears to be the result of the fish-specific genome duplication (FSGD) event. The Japanese eel shared the FSGD event with other teleosts such as zebrafish and pufferfish. A member of Hox paralog group one (HoxA1b) was preserved in the Japanese eel but was lost in other teleosts. Available Hox data revealed that the Hox cluster evolved distinctly in different teleost lineages. All duplicated Hox clusters were retained after the FSGD event in basal teleosts like in the Japanese eel, whereas crown teleosts lost one cluster (HoxCb or HoxDb). Based on current teleostean phylogeny, the HoxDb cluster was lost independently in the teleost lineages Otocephala and Euteleostei. J. Exp. Zool. (Mol. Dev. Evol.) 314B:135-147, 2070. (C) 2009 Wiley-Liss, Inc.
关键词[WOS]: RAY-FINNED FISHES ; COMPARATIVE PHYLOGENOMIC ANALYSES ; GENOME DUPLICATION ; MITOGENOMIC PERSPECTIVE ; ASTATOTILAPIA-BURTONI ; PROVIDES EVIDENCE ; HOMEOBOX GENES ; FUGU-RUBRIPES ; VERTEBRATE ; ORGANIZATION
语种: 英语
WOS记录号: WOS:000275487300005
ISSN号: 1552-5007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13493
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Fish Phylogeny & Biogeog Grp, Wuhan 430072, Hubei, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China

Recommended Citation:
Guo, Baocheng; Gan, Xiaoni; He, Shunping.Hox Genes of the Japanese Eel Anguilla japonica and Hox Cluster Evolution in Teleosts,JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION,2010,314B(2):135-147
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