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学科主题: Multidisciplinary Sciences
题名: Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae)
作者: Zhang YuBo1, 2; He ShunPing1
通讯作者: He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: phylogeny ; cytochrome b gene ; 12S rRNA gene ; Takifugu Abe
刊名: CHINESE SCIENCE BULLETIN
发表日期: 2008
DOI: 10.1007/s11434-008-0066-2
卷: 53, 期:2, 页:233-244
收录类别: SCI
文章类型: Article
部门归属: [Zhang YuBo; He ShunPing] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhang YuBo] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
摘要: The phylogenetic relationships within the genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae) remain unresolved. Because of the use of Takifugu as model organisms, the resolution of these relationships is crucial for the interpretation of evolutionary trends in biology. Pufferfishes of this genus are comprised of a comparatively small number of species and are mainly distributed along the coastal region of the western part of the Sea of Japan and the coastline of China. Mitochondrial gene sequences were employed to test the phylogenetic hypotheses within the genus. Seventeen species of the genus were examined. Molecular phylogenetic trees were constructed using the maximum parsimony, neighbor-joining, maximum likelihood and Bayesian methods. Our hypothesis of internal relationships within the genus differs from previous hypotheses. Our results indicate that (1) the genus Takifugu is a monophyletic assemblage; (2) the genus is divided into 6 subgroups based on the molecular data; and (3) there is low genetic diversity among the species within this genus. In addition, speciation within Takifugu appears to be driven by hybridization and isolation by distribution. Our results also suggested that the taxonomy in the genus should be clarified based on both molecular and morphological data.
英文摘要: The phylogenetic relationships within the genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae) remain unresolved. Because of the use of Takifugu as model organisms, the resolution of these relationships is crucial for the interpretation of evolutionary trends in biology. Pufferfishes of this genus are comprised of a comparatively small number of species and are mainly distributed along the coastal region of the western part of the Sea of Japan and the coastline of China. Mitochondrial gene sequences were employed to test the phylogenetic hypotheses within the genus. Seventeen species of the genus were examined. Molecular phylogenetic trees were constructed using the maximum parsimony, neighbor-joining, maximum likelihood and Bayesian methods. Our hypothesis of internal relationships within the genus differs from previous hypotheses. Our results indicate that (1) the genus Takifugu is a monophyletic assemblage; (2) the genus is divided into 6 subgroups based on the molecular data; and (3) there is low genetic diversity among the species within this genus. In addition, speciation within Takifugu appears to be driven by hybridization and isolation by distribution. Our results also suggested that the taxonomy in the genus should be clarified based on both molecular and morphological data.
关键词[WOS]: MITOCHONDRIAL CYTOCHROME-B ; SEQUENCE ALIGNMENT ; PHYLOGENETIC INFERENCE ; MOLECULAR SYSTEMATICS ; FISHES ACANTHOMORPHA ; FUGU-RUBRIPES ; EVOLUTION ; PUFFERFISH ; GENOME ; MODEL
语种: 英语
WOS记录号: WOS:000252973900011
ISSN号: 1001-6538
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8278
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Zhang YuBo; He ShunPing.Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae),CHINESE SCIENCE BULLETIN,2008,53(2):233-244
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