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金银花组蛋白甲基转移酶基因生物信息学及表达分析

Keywords: 金银花,组蛋白甲基转移酶,生物信息学

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Abstract:

该研究从金银花转录组数据库中获得23个组蛋白甲基转移酶基因,分别对其核苷酸特性、蛋白理化性质、亚细胞定位、二级结构及保守域、系统进化和基因表达情况进行分析。其中系统进化分析结果表明,23个金银花组蛋白甲基转移酶可以分为2类:赖氨酸甲基转移酶和精氨酸甲基转移酶。基因表达分析结果表明金银花组蛋白甲基转移酶基因具有明显的种间表达偏好性和器官表达偏好性,即23个组蛋白甲基转移酶基因在金银花花蕾中表达量均高于红金银花,但在金银花叶中表达量均低于红金银花,并获得8个花蕾特异性表达基因,为进一步了解金银花类药用植物中组蛋白甲基转移酶的功能以及活性成分表观调控提供依据。

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