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根癌农杆菌介导库拉索芦荟遗传转化因素优化
潘颖南;蒙平;何铁光;苏宾;陈廷速;李杨瑞
1.广西农业科学院生物技术研究所;2.广西作物遗传改良生物技术重点开放实验室 广西南宁530007;3.广西南宁530007;4.广西作物遗传改良生物技术重点开放实验室
摘要:
以美国库拉索芦荟的横切薄片(transversethincelllayer,tTCL)作为转化外植体,初步研究了以根癌 农杆菌介导的多种因子对芦荟遗传转化的影响。结果表明:菌株EHA105比LBA4404及AGL1转化率高; 除了乙酰丁香酮(acetosyringone)外,菌液的预处理和重悬液的pH值也是影响转化的主要因子;菌液的预处 理和适合的蔗糖浓度对转化也有促进作用;感染时间为12~18min,共培养的温度和时间分别以25℃及5d 为佳。
关键词:  芦荟    根癌农杆菌    遗传转化
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