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Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae)
Zhang YuBo1,2; He ShunPing1; He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2008
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume53Issue:2Pages:233-244
AbstractThe 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.; 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.
SubtypeArticle
KeywordPhylogeny Cytochrome b Gene 12s Rrna Gene Takifugu Abe
Department[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
Subject AreaMultidisciplinary Sciences
DOI10.1007/s11434-008-0066-2
WOS HeadingsScience & Technology
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000252973900011
WOS KeywordMITOCHONDRIAL CYTOCHROME-B ; SEQUENCE ALIGNMENT ; PHYLOGENETIC INFERENCE ; MOLECULAR SYSTEMATICS ; FISHES ACANTHOMORPHA ; FUGU-RUBRIPES ; EVOLUTION ; PUFFERFISH ; GENOME ; MODEL
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8278
Collection期刊论文
Corresponding AuthorHe, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhang YuBo,He ShunPing,He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China. Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae)[J]. CHINESE SCIENCE BULLETIN,2008,53(2):233-244.
APA Zhang YuBo,He ShunPing,&He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2008).Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae).CHINESE SCIENCE BULLETIN,53(2),233-244.
MLA Zhang YuBo,et al."Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae)".CHINESE SCIENCE BULLETIN 53.2(2008):233-244.
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