期刊
MOLECULAR BIOLOGY REPORTS
卷 39, 期 8, 页码 8027-8033出版社
SPRINGER
DOI: 10.1007/s11033-012-1649-1
关键词
Duck (Anas platyrhynchos); GH gene; SNP; PCR-RFLP
资金
- Natural Science Foundation of Hubei Province [2009CDA100, 2010CBB01502]
- Hubei Key Laboratory of Animal Embryo and Molecular Breeding [2011ZD146]
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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