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不二玉

新虫 (初入文坛)

[求助] 突变体一个插入位点在5'UTR, 一个插入位点在靠近3'端的exon,选哪个更好? 已有1人参与

两个突变体都可用

一个插入位点在5'UTR,    一个插入位点在靠近3'端的exon

其他方面都差不多

选哪个更好一点??
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博士苑

新虫 (初入文坛)

【答案】应助回帖

5-UTR是mRNA的序列5'端起始

简述:mRNA高级结构是倒“L"型,我们把mRNA拉直,分为三段,5‘端非编码序列为5’-UTR,中间是CDS区(编码区),尾端为3‘UTR

突变一般是引起基因的功能或后续表达产生变化,5’-UTR和3’UTR是调控基因的非编码序列,如果是用双荧光素酶实验来验证的话,结合位点突变,无法结合调控,继而引起CDS的表达

产生变化,如果做mRNA水平调控,一般选取3‘UTR区段的结合位点,如果做基因组突变,需在起始5端突变或缺失碱基引起移码突变,造成编码错误
2楼2020-04-24 14:55:30
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