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Association of T1740C polymorphism of L-FABP with meat quality traits in Junmu No. 1 white swine

文献类型： 外文期刊

作者： Zhang, Y. H. 1 ; Dai, L. S. 1 ; Ma, T. H. 1 ; Wang, S. Z.; Guo, J. 2 ; Li, F. J. 1 ; Zhang, S. M.; Sun, B. X. 2 ; Liu, 1 ;

作者机构： 1.Jilin Univ, Lab Anim Ctr, Changchun 130023, Jilin, Peoples R China

2.Jilin Univ, Coll Anim Sci & Vet Med, Jilin Prov Key Lab Anim Embryo Engn, Changchun 130023, Jilin, Peoples R China

3.Jilin Univ, Coll Anim Sci & Vet Med, Jilin Prov Key Lab Anim Embryo Engn, Changchun

关键词： Swine;L-FABP;Intron 1;Single nucleotide polymorphism;Marbling;Intramuscular fat

期刊名称：GENETICS AND MOLECULAR RESEARCH （ 影响因子：0.764； 五年影响因子：0.912 ）

ISSN： 1676-5680

年卷期： 2013 年 12 卷 1 期

页码：

收录情况： SCI

摘要： This study was designed to investigate a single nucleotide polymorphism in intron 1 of the liver fatty acid-binding protein (L-FABP) gene in 156 Junmu No. 1 white swine using PCR-single-strand conformational polymorphism. The association between the polymorphism and meat quality traits was also studied. The cloning and sequencing results indicated that the polymorphism in intron 1 was due to a T -> C mutation at position 1740 of L-FABP, yielding three genotypes (TT, TC, and CC). Association analysis revealed that the polymorphism had a significant effect on marbling (P < 0.05): genotype CC had more marbling than TC, and TC had more marbling than TT. The polymorphism also had a highly significant effect on intramuscular fat content (P < 0.01). Genotypes CC and TC had higher intramuscular fat content than TT; there was no significant difference between CC and TC (P > 0.05). However, no significant conclusions concerning other traits could be drawn. We tentatively conclude that L-FABP is a candidate gene or a quantitative trait locus-linked gene associated with meat quality traits.

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