Lack of an association between a single nucleotide polymorphism in the bovine myogenic determination 1 (MyoD1) gene and meat quality traits in indigenous Chinese cattle breeds.
2011
The myogenic determination 1 (MyoD1) gene is a member of the MyoD gene family. It encodes for skeletal musclespecific transcription factors containing highly conserved basic helixloop-helix regions that perform important roles in the initiation, maintenance, and regulation of phenotypic traits. We investigated a new single nucleotide polymorphism (SNP) in the MyoD1 gene to evaluate whether this polymorphism affects meat quality traits in five Chinese indigenous cattle breeds, namely Qinchuan (QC), Xia-Nan (XN), Nan-yang (NY), Luxi (LX), and Jia-xian red (JXR). A C→G transversion at position 624 was detected in exon 1 of the MyoD1 gene; it causes an amino acid substitution (624serine/624cysteine). Least squares analysis showed that this SNP is not significantly associated with back
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