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苹果NAC转录因子家族生物信息学分析 被引量:5

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摘要 NAC转录因子是植物特有的且具有多种生物功能的一类重要转录因子,该家族转录因子广泛参与植物生长发育以及器官建成、逆境胁迫应答等反应。首先利用生物信息学方法对苹果256条NAC蛋白序列的系统发生和NAC基因组定位进行分析,然后对其氨基酸组成成分、理化性质以及二级结构和三级结构进行预测和分析,同时还分析了苹果与拟南芥NAC转录因子家族之间的联系。结果显示苹果256条蛋白序列与拟南芥94条NAC蛋白序列一起被分成了23个亚族,拟南芥与苹果NAC基因间具有较高的保守性。基因组定位结果显示苹果256条NAC基因分布在17条染色体上。研究还发现不同亚族间氨基酸数目、氨基酸序列疏水性存在一定的差异;二级结构预测分析发现,256条氨基酸序列以随机卷曲为主要组成部分,且256条氨基酸序列三维结构相似。本试验结果将为苹果NAC转录因子家族的进一步功能分析提供重要研究基础。
出处 《江苏农业科学》 CSCD 北大核心 2012年第6期14-23,共10页 Jiangsu Agricultural Sciences
基金 国家苹果产业技术体系项目(编号:CARS-28-01-07) 山东省良种产业化工程项目"苹果新品种和抗性砧木选育"
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二级参考文献86

共引文献109

同被引文献83

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