Characterization analysis and polymorphism detection of the porcine Myd88 gene

文献类型： 外文期刊

第一作者： Li, Xinyun

作者： Li, Xinyun;Yang, Shulin;Tang, Zhonglin;Ma, Yuehui;Chu, Mingxing;Li, Kui;Li, Xinyun;Liu, Huazhen

作者机构：

关键词： Chromosome mapping;Myd88;Pig;Polymorphism;TLR

期刊名称：GENETICS AND MOLECULAR BIOLOGY （ 影响因子：1.771； 五年影响因子：2.584 ）

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年卷期：

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收录情况： SCI

摘要： The myeloid differentiation primary response protein 88 (Myd88) is an essential adaptor protein, which mediates in all Toll-like receptor (TLR) members signal transduction, except for TLR3. In this study, the 4464 bp genomic sequence of porcine Myd88 was first isolated, whereupon tissue distribution, chromosome mapping and single nucleotide polymorphism (SNP) were analyzed. Our results revealed that porcine Myd88 gene, which was located at chromosome 13 linked with marker S0288 (distance = 40 cR; LOD = 8.66), was widely expressed in all the examined tissues. There were 16 potential SNPs in the isolated genome fragment. SNP 797T/C in the first intron was studied, with no significant association being found between the genotype and immune traits in pigs (p > 0.05). The porcine Myd88 protein contained both the death domain (DD) and the Toll/IL-1 receptor domain (TIR). Leu residues, essential for its structure, were the most abundant encountered in the DD. The TIR contained two conserved motifs which may play important roles in the Myd88 function.

分类号： Q3

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