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The c-myc coding DNA sequences of cyprinids (Teleostei : Cypriniformes): Implications for phylogeny
Kong XiangHui; Wang XuZhen; Gan XiaoNi; He ShunPing; He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007-06-01
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume52Issue:11Pages:1491-1500
AbstractThe family Cyprinidae is one of the largest fish families in the world, which is widely distributed in East Asian, with obvious difference in characteristic size among species. The phylogenetic analysis of cyprinid taxa based on the functionally important genes can help to understand the speciation and functional divergench of the Cyprinidae. The c-myc gene is an important gene regulating individual growth. In the present study, the sequence variations of the cyprinid c-myc gene and their phylogenetic significance were analyzed. The 41 complete sequences of the c-myc gene were obtained from cyprinids and outgroups through PCR amplification and clone. The coding DNA sequences of the c-myc gene were used to infer molecular phylogenetic relationships within the Cyprinidae. Myxocyprinus asiaticus (Catostomidae), Misgurnus anguillicaudatus (Cobitidae) and Hemimyzon sinensis (Homalopteridae) were assigned to the outgroup taxa. Phylogenetic analyses using maximum parsimony (MP), maximum likelihood (ML), and Bayesian retrieved similar topology. Within the Cyprinidae, Leuciscini and Barbini formed the monophyletic lineage respectively with high nodal supports. Leuciscini comprises Xeno-cyprinae, Cultrinae, East Asian species of Leuciscinae and Danioninae, Gobioninae and Acheilognathinae, and Barbini contains Schizothoracinae, Barbinae, Cyprininae and Labeoninae. Danio rerio, D. myersi and Rasbora trilineata were supposed to separate from Leuciscinae and Barbini and to form another lineage, The positions of some Danioninae species were still unresolved. Analyses of both amino acid variation with parsimony information and two high variation regions indicated that there is no correlation between variations of single amino acid or high variation regions and characteristic size of cyprinids. In,addition, the species with smaller size were usually found to be basal within clades in the tree, which might be the results of the adaptation to the primitive ecology and survival pressure.; The family Cyprinidae is one of the largest fish families in the world, which is widely distributed in East Asian, with obvious difference in characteristic size among species. The phylogenetic analysis of cyprinid taxa based on the functionally important genes can help to understand the speciation and functional divergench of the Cyprinidae. The c-myc gene is an important gene regulating individual growth. In the present study, the sequence variations of the cyprinid c-myc gene and their phylogenetic significance were analyzed. The 41 complete sequences of the c-myc gene were obtained from cyprinids and outgroups through PCR amplification and clone. The coding DNA sequences of the c-myc gene were used to infer molecular phylogenetic relationships within the Cyprinidae. Myxocyprinus asiaticus (Catostomidae), Misgurnus anguillicaudatus (Cobitidae) and Hemimyzon sinensis (Homalopteridae) were assigned to the outgroup taxa. Phylogenetic analyses using maximum parsimony (MP), maximum likelihood (ML), and Bayesian retrieved similar topology. Within the Cyprinidae, Leuciscini and Barbini formed the monophyletic lineage respectively with high nodal supports. Leuciscini comprises Xeno-cyprinae, Cultrinae, East Asian species of Leuciscinae and Danioninae, Gobioninae and Acheilognathinae, and Barbini contains Schizothoracinae, Barbinae, Cyprininae and Labeoninae. Danio rerio, D. myersi and Rasbora trilineata were supposed to separate from Leuciscinae and Barbini and to form another lineage, The positions of some Danioninae species were still unresolved. Analyses of both amino acid variation with parsimony information and two high variation regions indicated that there is no correlation between variations of single amino acid or high variation regions and characteristic size of cyprinids. In,addition, the species with smaller size were usually found to be basal within clades in the tree, which might be the results of the adaptation to the primitive ecology and survival pressure.
SubtypeArticle
KeywordCyprinidae C-myc Gene Phylogeny Sequence Variation
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Henan Normal Univ, Coll Life Sci, Xinxiang 453007, Peoples R China
Subject AreaMultidisciplinary Sciences
WOS HeadingsScience & Technology
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000247578100009
WOS KeywordCYTOCHROME-B GENE ; EUROPEAN CYPRINIDS ; DROSOPHILA-MYC ; EAST-ASIA ; EVOLUTION ; NUCLEAR ; FISHES ; ACTINOPTERYGII ; BIOGEOGRAPHY ; SYSTEMATICS
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8532
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.Henan Normal Univ, Coll Life Sci, Xinxiang 453007, Peoples R China
Recommended Citation
GB/T 7714
Kong XiangHui,Wang XuZhen,Gan XiaoNi,et al. The c-myc coding DNA sequences of cyprinids (Teleostei : Cypriniformes): Implications for phylogeny[J]. CHINESE SCIENCE BULLETIN,2007,52(11):1491-1500.
APA Kong XiangHui,Wang XuZhen,Gan XiaoNi,He ShunPing,&He, SP, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).The c-myc coding DNA sequences of cyprinids (Teleostei : Cypriniformes): Implications for phylogeny.CHINESE SCIENCE BULLETIN,52(11),1491-1500.
MLA Kong XiangHui,et al."The c-myc coding DNA sequences of cyprinids (Teleostei : Cypriniformes): Implications for phylogeny".CHINESE SCIENCE BULLETIN 52.11(2007):1491-1500.
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