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A novel SNP of liver-type fatty acid-binding protein gene in duck and its associations with the intramuscular fat

文献类型: 外文期刊

作者: He, Jun 1 ; Chen, Jiucheng 1 ; Lu, Lizhi 2 ; Tian, Yong 2 ; Tao, Zhengrong 2 ; Wang, Deqian 2 ; Li, Jinjun 2 ; Li, Guoqin 2 ;

作者机构: 1.Zhejiang Univ, Coll Anim Sci, Hangzhou 310058, Zhejiang, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Hangzhou 310021, Zhejiang, Peoples R China

关键词: Liver fatty acid-binding protein;Intramuscular fat;SNP;Polymorphism;Duck

期刊名称:MOLECULAR BIOLOGY REPORTS ( 影响因子:2.316; 五年影响因子:2.357 )

ISSN:

年卷期:

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收录情况: SCI

摘要: Liver-type fatty acid-binding protein (L-FABP) is a member of intracellular lipid-binding proteins involved in the transportation of fatty acids. We detected the polymorphisms of duck L-FABP gene and its association with the intramuscular fat (IMF) and other fat-related traits. The complete sequence of duck L-FABP gene (four exons and three introns, 2,542 bp) was obtained in this study. The polymorphism of L-FABP gene was examined with direct DNA sequencing method in 231 individuals from different breeds, and a novel single nucleotide polymorphism in the exon 3 was detected. The polymorphism was shown to be associated with the contents of C16:0, C18:3 and the total IMF in pectoral muscle. The content of C16:0 in genotype CC was significantly higher than CT (P < 0.01) and TT (P < 0.01), and the genotype CT was higher than TT (P < 0.01). The content of C18:3 in genotype TT was significantly higher than CC and CT (P < 0.01), whereas the genotype CC and CT had no significant difference (P > 0.05). The content of IMF in genotype CC was significantly higher than CT (P < 0.01). However, no significant difference was detected between genotype CC and TT or genotype CT and TT (P > 0.05).

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