毛细管电泳快速PCR-SSCP分析方法研究

被引:9
作者
敬慧娥
刘戟
茹钦华
邓应平
罗国安
黄倩
机构
[1] 华西医科大学附属第一医院
[2] 清华大学生命科学与工程研究院
[3] 华西医科大学附属第一医院上海市第一人民医院中心实验室
关键词
毛细管电泳; 点突变; 单链构象多态性; 基因突变;
D O I
暂无
中图分类号
R346 [];
学科分类号
1001 ;
摘要
目的 建立一种快速、简便、敏感检测人类基因组 DNA点突变的方法。方法 用人工诱发的带有单个碱基改变的 PCR片段作目的基因 ,借助高效毛细管电泳技术对 PCR片段作 SSCP分析。电泳采用中性毛细管涂层柱和 4%线性聚丙烯酰胺凝胶电泳缓冲液 ,紫外检测仪检测。结果  196 bp长的 PCR片段用毛细管电泳可在 2 5 min内分离出双链及单链峰 ,仅有一个碱基差异的两条单链 DNA也能得到较好地分离。结论 毛细管电泳技术可用于作 PCR- SSCP分析 ,具有快速、灵敏、准确、重复性好等特点 ,为筛选基因点突变提供了一种十分有效的方法
引用
收藏
页码:74 / 78
页数:5
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