Associations between single nucleotide polymorphisms in multiple candidate genes and carcass and meat quality traits in a commercial Angus-cross population

被引:34
|
作者
Gill, Jennifer L. [1 ,2 ]
Bishop, Stephen C. [1 ,2 ]
McCorquodale, Caroline [1 ,2 ]
Williams, John L. [3 ]
Wiener, Pamela [1 ,2 ]
机构
[1] Univ Edinburgh, Roslin BioCtr, Roslin Inst, Roslin EH25 9PS, Midlothian, Scotland
[2] Univ Edinburgh, Roslin BioCtr, Royal Dick Sch Vet Studies, Roslin EH25 9PS, Midlothian, Scotland
[3] Parco Tecnol Padano, I-26900 Lodi, Italy
基金
英国生物技术与生命科学研究理事会;
关键词
Beef cattle; Candidate genes; Carcass quality; SNP; Taste panel; CORTICOTROPIN-RELEASING-HORMONE; JAPANESE BLACK CATTLE; BEEF-CATTLE; GROWTH-HORMONE; PIEMONTESE CATTLE; SKELETAL-MUSCLE; PIG; LOCI; PERFORMANCE; RECEPTOR;
D O I
10.1016/j.meatsci.2010.08.005
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The aim of this study was to evaluate the effects of 28 single nucleotide polymorphisms (SNP) in 10 candidate genes previously shown to be associated with quality traits in pigs and cattle. The data set comprised 28 traits recorded on a commercial population of 536 Aberdeen Angus-cross beef cattle. Among the traits, 20 were carcass and sirloin quality related, one mechanical measure of tenderness, and the remaining seven were taste panel assessed sensory traits. The candidate genes studied included growth hormone (GH) and pro-opiomelanocortin (POMC). Association analysis showed that 13 of the 28 SNPs were significantly associated with at least one of the traits. Some of these were novel (POMC and mechanical tenderness), whilst others confirmed previous results (GH and eye muscle length). Following validation in other populations and breeds, these markers could be incorporated into breeding programs to increase the rate of improvement in carcass and meat quality traits. (C) 2010 The American Meat Science Association. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:985 / 993
页数:9
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