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Effect of Ion Beam-mediated Exogenous Total DNA Transformation with Different Influence on A.Thaliana's Growth and Development
Author(s): 
Pages: 332-336
Year: Issue:  5
Journal: ACTA LASER BIOLOGY SINICA

Keyword:  拟南芥菜全DNA转化最佳剂量;
Abstract: 在离子束介导外源全DNA转化中,外源DNA包含有供体的所有遗传信息,对受体的影响是多方面的,因此转化效果无法用统一的转化率来衡量,这也增加了转化过程中最佳转化条件的选择难度.本论文的主要工作是根据不同离子剂量介导外源全DNA转化的拟南芥菜在遗传和生理上的变化选择合适的转化剂量.剂量实验结果表明:拟南芥菜种子的剂量-存活率曲线为"马鞍型",在"鞍桥"上选择0.5×1017ions/cm2、1.5×1017 ions/cm2和2.5×1017ions/cm2三个有代表性的剂量介导薄荷全DNA转化拟南芥菜,三个转化当代群体的出芽、成苗长势以及表型变异情况有明显的不同,综合分析表明:1.5×1017ions/cm2为离子束介导外源全DNA转化拟南芥菜的合适剂量.
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