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首页> 外文期刊>Biochemical Genetics >Nucleotide Polymorphisms in the Canine Noggin Gene and Their Distribution Among Dog (Canis lupus familiaris) Breeds
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Nucleotide Polymorphisms in the Canine Noggin Gene and Their Distribution Among Dog (Canis lupus familiaris) Breeds

机译:犬头蛋白基因中的核苷酸多态性及其在犬种中的分布

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Noggin (NOG) is an important regulator for the signaling of bone morphogenetic proteins. In this study, we sequenced the complete coding sequence of the canine NOG gene and characterized the nucleotide polymorphisms. The sequence length varied from 717 to 729 bp, depending on the number of a 6-bp tandem repeat unit (GGCGCG), an insertion that has not been observed in other mammalian NOG genes investigated to date. It results in extensions of (Gly–Ala)3–5 in the putative NOG protein. To survey the distribution of these tandem repeat polymorphisms, we analyzed 126 individuals in seven dog breeds. We identified only three alleles: (GGCGCG)3, (GGCGCG)4, and (GGCGCG)5. Although the allele frequencies were remarkably different among the breeds, the three alleles were present in all seven of the breeds and did not show any deviation from Hardy–Weinberg equilibrium.
机译:Noggin(NOG)是骨形态发生蛋白信号传导的重要调节剂。在这项研究中,我们测序了犬NOG基因的完整编码序列,并表征了核苷酸多态性。序列长度从717到729 bp不等,具体取决于6 bp串联重复单元(GGCGCG)的数目,该插入迄今为止尚未在其他哺乳动物NOG基因中观察到。它导致推定的NOG蛋白中(Gly–Ala) 3–5 的延伸。为了调查这些串联重复多态性的分布,我们分析了七个犬种中的126个个体。我们只鉴定了三个等位基因:(GGCGCG) 3 ,(GGCGCG) 4 和(GGCGCG) 5 。尽管这些等位基因的频率在不同品种之间存在显着差异,但是这三个等位基因存在于所有七个品种中,并且与Hardy-Weinberg平衡无偏差。

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