荧光定量PCR数据处理方法的探讨

被引:80
作者
唐永凯 [1 ]
贾永义 [2 ]
机构
[1] 中国水产科学研究院淡水渔业研究中心
[2] 浙江省淡水水产研究所
关键词
荧光定量PCR; 绝对定量; 相对定量;
D O I
10.16519/j.cnki.1004-311x.2008.03.019
中图分类号
Q75 [分子遗传学];
学科分类号
071007 ;
摘要
realtime RT-PCR通过直接检测指数扩增期的PCR产物来确定基因的初始模板量,是定量基因表达最灵敏的方法,其准确性取决于扩增效率以及数据的处理方法。目前最常用的两种分析荧光定量PCR实验数据的方法是绝对定量和相对定量。绝对定量方法是通过标准曲线计算起始模板的拷贝数;相对定量方法则是比较处理过的样品和未处理过的样品目的基因之间的表达差异。而相对定量又有双标准曲线法,2-△△Ct法以及动力学法。该文介绍了这些方法的推导、假设及其应用。
引用
收藏
页码:89 / 91
页数:3
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