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根癌农杆菌对巴戟天遗传转化的影响因素
贺红;林小桦;张桂芳;徐鸿华
1.广州中医药大学中药学院;2.广州中医药大学中药学院 广东 广州 510405;3.广东 广州 510405
摘要:
以巴戟天带节茎为材料,研究了根癌农杆菌对巴戟天遗传转化的影响因素。结果表明:外植体感染前先进行2 d预培养,对转化有一定促进作用;外植体与农杆菌共培养时间以3 d为宜;乙酰丁香酮能提高转化效率,抗性芽分化率可达18.0%;外植体与农杆菌共培养后延迟4 d选择,抗性芽分化率有所提高;硝酸银能抑制外植体表面农杆菌的生长,提高GUS阳性芽的比例,硝酸银浓度2 mg/L时,GUS阳性芽比例最高(42.9%)。
关键词:  巴戟天    农杆菌    遗传转化
DOI:
分类号:
Fund project:国家自然科学基金项目(30070924) 广东省自然科学基金项目(984117)
Abstract:
Key words:  
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