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- Title
A non-synonymous single nucleotide polymorphism in the paraoxonase 3 gene regulates meat quality in Berkshire pigs.
- Authors
Hur, Jeong-Wan; Hwang, Jung Hye; Kwon, Seul Gi; Park, Da Hye; Kim, Tae Wan; Kang, Deok Gyeong; Yu, Go Eun; An, Sang Mi; Kim, Il-Suk; Park, Hwa Chun; Ha, Jeongim; Kim, Chul Wook
- Abstract
The paraoxonase (Pon) gene family contains three members: Pon1 , Pon2 , and Pon3. Pon3 modulates superoxide production and prevents apoptosis. The role of Pon3 has not been fully elucidated in the pig. This study is the first to investigate the association between Pon3 and meat quality in the Berkshire pig. We identified a single nucleotide polymorphism in the Pon3 gene (c. 227A > G) that resulted in a change in histidine to arginine at position 76. To elucidate the role of this non-synonymous single nucleotide polymorphism in the Pon3 gene, we analysed the Pon3 genotype and meat quality traits in 434 Berkshire pigs. The results of a codominant model show that carcass weight, meat colour (lightness), cooking loss, and the Warner–Bratzler shear force were significantly associated with the Pon3 genotype. Furthermore, the 24-h post-mortem pH had the strongest relationship with the Pon3 genotype. The G allele decreased cooking loss and fat content, whereas the A allele increased the 24-h post-mortem pH and decreased backfat thickness, which contribute to meat storage life and M. longissimus dorsi depth respectively. In conclusion, the non-synonymous single nucleotide polymorphism in the Pon3 gene showed a close correlation with meat quality traits in the Berkshire pig. The paper is about the selection method for high-quality pork. In the research, the investigators identified genetic markers that regulate meat quality in Berkshire pigs. These meat quality-associated markers can be applied to pig breeding to produce high-quality pork.
- Subjects
PARAOXONASE; SINGLE nucleotide polymorphisms; QUALITY of pork
- Publication
Animal Production Science, 2018, Vol 58, Issue 11, p1990
- ISSN
1836-0939
- Publication type
Article
- DOI
10.1071/AN16573