数字农科院2.0

Synonymous single nucleotide polymorphisms in the MC4R gene that are significantly associated with milk production traits in water buffaloes

文献类型： 外文期刊

作者： Deng, T. X.;Pang, C. Y.;Liang, X. W.;Liu, M. Q.;Zhang, C.

作者机构：

关键词： Buffalo;Milk production;MC4R gene;SNP;Haplotype

期刊名称： GENETICS AND MOLECULAR RESEARCH

ISSN： 1676-5680

年卷期： 2016 年 15 卷 2 期

页码：

收录情况： SCI

摘要： Melanocortin-4 receptor (MC4R) is associated with feed intake, growth, fatness, and carcass composition in many domestic animals. The aim of this study was to evaluate the association of single nucleotide polymorphisms (SNPs) in MC4R with milk production traits in water buffalo. Eight SNPs were identified by direct polymerase chain reaction sequencing of samples from 18 buffaloes. SNPs were then genotyped using the matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS) method in 332 buffaloes. Two of eight SNPs were not in Hardy-Weinberg equilibrium. Based on the SNP data, seven haplotypes were constructed. Three SNPs H1 (AGT), H2 (GAT), and H3 (GAC) accounted for 93.0% of the total individuals. Statistical analysis indicated that the SNP g. 1104C>T was significantly associated with milk yield, protein, and fat percentage (P < 0.05). In conclusion, these results provide evidence that polymorphisms in the buffalo MC4R gene are associated with milk production traits and might be potential biomarkers for water buffalo breeding.

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