Effect of the Fatty Acid Synthase and Acetyl CoA Carboxylase Genes on Carcass Quality in Commercial Hanwoo Population
2011
Jeon, E.K., Chungbuk National University, Cheongju, Republic of Korea | Kim, S.W., Chungbuk National University, Cheongju, Republic of Korea | Choi, Y.J., Chungbuk National University, Cheongju, Republic of Korea | Kim, N.S., Chungbuk National University, Cheongju, Republic of Korea | Cho, M.W., NongHyup Livestock Research Center, Anseong, Republic of Korea | Lee, M.I., NongHyup Livestock Research Center, Anseong, Republic of Korea | Jeong, Y.H., Korean Animal Improvement Association, Seoul, Republic of Korea | Lee, J.S., Korea Institute for Animal Products Quality Evaluation, Gunpo, Republic of Korea | Kim, K.T., Korea Institute for Animal Products Quality Evaluation, Gunpo, Republic of Korea | Koh, K.C., Korea Institute for Animal Products Quality Evaluation, Gunpo, Republic of Korea | Kim, K.S., Chungbuk National University, Cheongju, Republic of Korea
This study was conducted to investigate the combined effect of fatty acid synthase (FASN) and Acetyl CoA Carboxylase-α (ACACA) genes on carcass traits of Korean cattle (Hanwoo). A total of 1,057 commercial Hanwoo cattle provided by the NongHyup Livestock Research Center (NLRC) and Hanwoo Performance Competition (HPC) were used to analyze the effect of four single nucleotide polymorphisms (SNPs) within FASN (g.11280A greater than G, g.16024A greater than G, g.16039T greater than C, and g.17924A greater than G) and one SNP within ACACA (g.2274G greater than A) genes. In addition, the effect of genotypic combinations between FASN (g.17924A greater than G) and ACACA (g.2274G greater than A) SNPs has been studied with carcass traits. Significant associations were identified between g.17924A greater than G of FASN and carcass weight and back fat, and between the ACACA gene SNP g.2274G greater than A and longissimus muscle area with HPC samples. It was also found that both effects of FASN g.17924A greater than G and ACACA g.2274G greater than A polymorphisms were consistent in NLRC samples. Combined analyses of both NLRC and HPC samples also revealed the significant associations between the FASN g.17924A greater than G and carcass weight and back fat and between the ACACA g.2274G greater than A and back fat, respectively. The effect of the genotypic combination of g.17924A greater than G within FASN and g.2274G greater than A within ACACA genes showed that the combination of both GG genotypes of FASN and ACACA SNPs causes higher carcass weight and marbling score. The results of this study indicate that the two SNP markers within the FASN and ACACA genes can be utilized to select superior Hanwoo cows and calves in commercial Hanwoo farms.
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