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Evolution and Expression of S100A7 Gene in Vertebrates

文献类型： 外文期刊

作者： Gong, Husile 1 ; Yang, Ding 3 ; Qi, Yunxia 3 ; Wu, Jianghong 2 ; Zhang, Wenguang 4 ;

作者机构： 1.Inner Mongolia Univ Nationalities, Coll Life Sci, Tongliao 028000, Peoples R China

2.Inner Mongolia Univ Nationalities, Coll Anim Sci & Technol, Tongliao 028000, Peoples R China

3.Inner Mongolia Acad Agr & Anim Husb Sci, Hohhot 010031, Peoples R China

4.Inner Mongolia Agr Univ, Coll Anim Sci, Hohhot 010018, Peoples R China

期刊名称：BIOCHEMICAL GENETICS （ 影响因子：1.89； 五年影响因子：1.959 ）

ISSN： 0006-2928

年卷期： 2019 年 57 卷 3 期

页码：

收录情况： SCI

摘要： The skin is the primary barrier between the internal organs of an organism and the environment, and it provides protection from ultraviolet (UV) radiation. According to the nocturnal bottleneck hypothesis, ungulates might have traversed to the grasslands and were exposed to UV radiation subsequent to the reduction in predation pressure. UV light exposure might have increased the S100A7 expression. In order to test whether the UV radiation is associated with the selection pressure on S100A7, we acquired the complete S100A7 DNA sequences from each of 42 vertebrate species. The results suggested that the evidence of diversifying selection in S100A7 occurred at the end of Mesozoic era, and the site of positive selection was observed in the branch of Artiodactyla (even-toed ungulates). In addition, we found that the transcription level of S100A7 in cashmere goat skin correlates with UV radiation. Our results indicated that S100A7 plays a role in the signaling between the skin genes and UV radiation during evolution.

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