Single Nucleotide Polymorphism in 3’UTR of Porcine CACNA2D1 Gene and Its Genetic Effect on Meat Quality Traits

doi:10.7668/hbnxb.2007.04.018

Abstract

Abstract: CACNA2D1 could be a candidate gene for meat quality traits because it has been mapped to porcine chromosome 9 and many QTLs influencing meat quality traits have been also detected in this region. In this research, 160 individuals from the F2 generation of Jinhua×Pietrain resource family had been genotyped on the locus of 3' UTR of CACNA2D1 gene, and 2 alleles, 3 genotypes had been found by PCR-SSCP. One single nucleotide substitution (C→A) at the position of 3' UTR of CACNA2D1 gene (GenBank accession No: DQ981407) was identified by sequencing. The relationship among different genotype from meat quality traits was studied by the least square analysis. The result showed that the least square means of ham muscle pH45 value, ham muscle electric conductivity and eye muscle crude lipid content relative quantity in AA genotype is significant higher than that of BB genotype by 0.169, 0.26 and 0.021 (P<0.05) and the additive effect of A allele is 0.0845, 0.1335 and 0.0105 respectively.

Key words: Pig, CACNA2D1 gene, PCR-SSCP, Meat quality

CLC Number:

S828.03

LI Jian-hua, YANG Ming-sheng, XU Ning-ying. Single Nucleotide Polymorphism in 3’UTR of Porcine CACNA2D1 Gene and Its Genetic Effect on Meat Quality Traits[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2007, 22(4): 76-79. doi: 10.7668/hbnxb.2007.04.018.

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