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Bioinformatics Analysis of Coding Regions of GHR Gene in Cattle
Author(s): LIU Yuan, SUN Zhi-ying, SUN Shao-hua, QIAO Dong-yu, CHU Kang-kang
Pages: 1-
4
Year: 2013
Issue:
8
Journal: China Dairy Cattle
Keyword: GHR基因; 多态性; 遗传多样性; 生物信息学;
Abstract: GHR基因作为产奶性状的候选基因之一,已引起人们越来越多的关注.本文应用生物信息学方法比较分析了人、牛、猪、绵羊等14个物种的GHR基因编码区(CDS)序列,并对其遗传多样性、氨基酸序列的理化性质、信号肽、蛋白质二级结构和结构功能域等进行了预测分析.结果表明,从14个物种的30条序列检测到1218个多态位点,共生成22种单倍型,物种间GHR基因序列编码区存在较丰富的遗传多样性.GHR蛋白等电点均低于7,呈酸性;大多GHR蛋白N端存在信号肽,均有跨膜结构域;蛋白质二级结构的主要结构元件是无规则卷曲.
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