The correlation between polymorphisms of the MSTN Gene and slaughter traits in sansui ducks. | [Pakistan Journal of Zoology • 2016]

Author(s):

1. Zhong-Hai Zhao: College of Animal Science, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China; Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China

2. Hui Li: College of Animal Science, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China; Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China

3. Heng-Jie Yi: College of Animal Science, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China; Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou 550025, People’s Republic of China

4. Bang-Xing Peng: College of Animal Science, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou, People’s Republic of China; Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, South Campus, Huaxi District, Guiyang, Guizhou 550025, People’s Republic of China

Abstract:

Direct sequencing of PCR amplicons was used to identify single nucleotide polymorphisms (SNPs) in the Sansui duck (Sansui Sheldrake duck) myostatin (MSTN) gene exons. In addition, the genetic effects of the MSTN gene on slaughter traits were analyzed. The results showed that in the studied sample groups, six SNPs (G.106G>A, G.120A>G and G.159G>A of exon1; G.5368G>A, G.5389A>C and G.5410G>A of exon3) were found in the MSTN gene. The G/A mutation in the G.106G>A SNP resulted in the change of codon from GGC to AGC, and the coding amino acid from Gly to Ser. Additionally, the association tests between SNPs and slaughter traits showed that G.120A>G affected the breast muscle percentage and lean meat percentage; and G.5368G>A/G.5389A>C affected the semi-eviscerated weight and eviscerated weight. We conclude that the MSTN gene could be regarded as a useful candidate gene for carcass traits in Sansui ducks.

Page(s): 1283-1290

DOI: DOI not available

Published: Journal: Pakistan Journal of Zoology, Volume: 48, Issue: 5, Year: 2016

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