Contributions of FASN and SCD gene polymorphisms on fatty acid composition in muscle from Japanese Black cattle

被引：28

作者：

Yokota, S. ^{[1
]}

Sugita, H. ^{[1
]}

Ardiyanti, A. ^{[1
]}

Shoji, N. ^{[2
]}

Nakajima, H. ^{[2
]}

Hosono, M. ^{[5
]}

Otomo, Y. ^{[3
]}

Suda, Y. ^{[4
]}

Katoh, K. ^{[1
]}

Suzuki, K. ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Agr Sci, Sendai, Miyagi 9818555, Japan

[2] Yamagata Prefectural Anim Ind Inst, Agr Res Ctr, Shinjo, Yamagata 9960041, Japan

[3] Natl Federat Agr Cooperat Associat, Head Off Miyagi, Sendai, Miyagi 9800011, Japan

[4] Miyagi Univ, Sch Food Agr & Environm Sci, Sendai, Miyagi 9821215, Japan

[5] Natl Livestock Breeding Ctr, Fukushima 9618511, Japan

来源：

ANIMAL GENETICS | 2012年 / 43卷 / 06期

关键词：

gene polymorphism; fatty acid; Japanese Black cattle; CARCASS TRAITS; SEX; DESATURASE; STEERS; LIPIDS;

D O I：

10.1111/j.1365-2052.2012.02331.x

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The fatty acid synthase (FASN) and stearoyl-CoA desaturase (delta-9-desaturase) (SCD) genes affect fatty acid composition. This study evaluated the contributions of polymorphisms of these genes on fatty acid composition in muscle in two different populations: 1189 and 1058 Japanese Black cattle from the Miyagi and the Yamagata populations respectively. We sampled intramuscular fat from the longissimus thoracis muscle in the Miyagi population and from the trapezius muscle in the Yamagata population. The collective contributions of FASN and SCD polymorphisms to total additive genetic variance for oleic acid were 13.46% in the Miyagi population and 16.29% in the Yamagata population and to phenotypic variance were 5.45% and 6.54% respectively. Although the individual effects of FASN and SCD polymorphisms on fatty acid composition were small, overall gene substitution may effectively improve fatty acid composition. In addition, we found that gene polymorphism contributions of fatty acids varied by population even in the same breed.

引用

页码：790 / 792

页数：3

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