One novel SNP of growth hormone gene and its associations with growth and carcass traits in ducks
文献类型： 外文期刊
作者： Wu, Y. 1 ; Pan, A. L. 1 ; Pi, J. S. 1 ; Pu, Y. J. 1 ; Du, J. P. 1 ; Liang, Z. H. 1 ; Shen, J. 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Anim Husb & Vet, Wuhan 430071, Peoples R China
2.Hubei Acad Agr Sci, Hubei Key Lab Anim Embryo & Mol Breeding, Wuhan 430064, Peoples R China
关键词： Duck (Anas platyrhynchos);GH gene;SNP;PCR-RFLP
期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.316； 五年影响因子：2.357 ）
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收录情况： SCI
摘要： In this study, the growth hormone (GH) gene was studied as a candidate gene for growth and carcass traits of three duck populations (Cherry Valley duck, Muscovy duck and Jingjiang duck). Three pairs of primers were designed to detect single nucleotide polymorphisms of introns 2, 3 and 4 of the GH gene by polymerase chain reaction-restriction fragment length polymorphism and sequencing methods. Only the products amplified from intron 2 displayed polymorphism. The results showed one novel polymorphism: a variation in intron 2 of GH gene (C172T, JN408701 and JN408702). It was associated with some growth and carcass traits in three duck populations including birth weight, 8-week weight, carcass weight, breast muscle weight, leg muscle weight, eviscerated weight, lean meat rate, dressing percentage, etc. And the TT and CT genotypes were associated with superior growth and carcass traits in carcass weight, dressing percentage and percentage of eviscerated weight. Therefore, the variation in intron 2 of GH may be a molecular marker for superior growth and carcass traits in above duck populations.
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