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大豆苹果酸脱氢酶基因的电子克隆与生物信息学分析

DOI: 10.3969/j.issn.1000-7091.2012.03.005, PP. 23-28

Keywords: 磷高效基因,大豆,苹果酸脱氢酶,电子克隆

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Abstract:

利用电子克隆技术获得大豆中的苹果酸脱氢酶基因cDNA序列,并对基因及其编码蛋白进行生物信息学分析和预测,为进一步克隆该基因、解决植物磷高效基因数量缺乏等问题提供依据。结果表明,大豆中的苹果酸脱氢酶基因(GmMDH1)cDNA序列长度为1574bp,开放阅读框1230bp,编码409个氨基酸残基;编码蛋白含有NADbindingsite,Dimerizationinterface,Substratebindingsite,MDH_glyoxysomal_mitochondrial结合位点和保守域,属于LDH_MDH_likeSuperfamily家族;亚细胞定位分析显示,编码蛋白位于植物细胞的叶绿体中。

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