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Molecular variation and evolution of the tyrosine kinase domains of insulin receptor IRa and IRb genes in Cyprinidae
Kong XiangHui; Wang XuZhen; He ShunPing; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; clad@ihb.ac.cn
2011
Source PublicationSCIENCE CHINA-LIFE SCIENCES
ISSN1674-7305
Volume54Issue:7Pages:626-633
AbstractThe insulin receptor (IR) gene plays an important role in regulating cell growth, differentiation and development. In the present study, DNA sequences of insulin receptor genes, IRa and IRb, were amplified and sequenced from 37 representative species of the Cyprinidae and from five outgroup species from non-cyprinid Cypriniformes. Based on coding sequences (CDS) of tyrosine kinase regions of IRa and IRb, molecular evolution and phylogenetic relationships were analyzed to better understand the characteristics of IR gene divergence in the family Cyprinidae. IRa and IRb were clustered into one lineage in the gene tree of the IR gene family, reconstructed using the unweighted pair group method with arithmetic mean (UPGMA). IRa and IRb have evolved into distinct genes after IR gene duplication in Cyprinidae. For each gene, molecular evolution analyses showed that there was no significant difference among different groups in the reconstructed maximum parsimony (MP) tree of Cyprinidae; IRa and IRb have been subjected to similar evolutionary pressure among different lineages. Although the amino acid sequences of IRa and IRb tyrosine kinase regions were highly conserved, our analyses showed that there were clear sequence variations between the tyrosine kinase regions of IRa and IRb proteins. This indicates that IRa and IRb proteins might play different roles in the insulin signaling pathway.
KeywordInsulin Receptor Gene Tyrosine Kinase Domain Cyprinidae
Department[Kong, XH; Wang, XZ; He, SP] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Kong, XH] Henan Normal Univ, Coll Life Sci, Xinxiang 453007, Peoples R China
Subject AreaLife Sciences & Biomedicine - Other Topics
Funding OrganizationNational Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402]
Indexed BySCI
Language英语
WOS IDWOS:000292700100005
Funding OrganizationNational Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402] ; National Natural Science Foundation of China[30770299, 30530120]; Development Plan of the State Key Fundamental Research of China[2004CB117402]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16259
Collection水生生物多样性与资源保护研究中心_期刊论文
Corresponding AuthorChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; clad@ihb.ac.cn
Recommended Citation
GB/T 7714
Kong XiangHui,Wang XuZhen,He ShunPing,et al. Molecular variation and evolution of the tyrosine kinase domains of insulin receptor IRa and IRb genes in Cyprinidae[J]. SCIENCE CHINA-LIFE SCIENCES,2011,54(7):626-633.
APA Kong XiangHui,Wang XuZhen,He ShunPing,Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China,&clad@ihb.ac.cn.(2011).Molecular variation and evolution of the tyrosine kinase domains of insulin receptor IRa and IRb genes in Cyprinidae.SCIENCE CHINA-LIFE SCIENCES,54(7),626-633.
MLA Kong XiangHui,et al."Molecular variation and evolution of the tyrosine kinase domains of insulin receptor IRa and IRb genes in Cyprinidae".SCIENCE CHINA-LIFE SCIENCES 54.7(2011):626-633.
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