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DOI: 10.3791/59626-v
Please note that some of the translations on this page are AI generated. Click here for the English version.
我们提出了一种研究 mrna 翻译调节的方案, 在天花病毒感染细胞使用体外转录 Rna 基荧光素酶报告法。该方法可用于研究 mRNA 的cis元素的翻译调控, 包括 5 '-未翻译区域 (utr) 和 3 '-utr。使用此方法还可以检查不同的翻译启动模式。
我们关于体外转录RNA的荧光素酶测定的协议有助于研究痘病毒感染细胞的转化调控。此外,Poly(A)升的定制长度允许研究其对翻译的监管影响。该技术的主要优点是,它允许研究Cis元素的翻译调控,如5'UTR和3'UTR在mRNA和广泛的翻译启动。
体外转录RNA基荧光素酶检测方法可进行定制,以纳入对盖和其他修饰的修改,并用于测试对翻译的影响。首先,设计前进和反向底转,以生成包含以下元素的 PCR 放大器,方向为 5'到 3':T7-促进器, 聚(A)升,萤火虫路西加酶 ORF 在聚(A)尾称为T7_12A-Fluc,包括几个额外的核苷酸在前进底转,其次是T7-促进器聚(A)升或所需的5'UTR序列和大约20核苷酸对应于5'端的记者基因的OF。根据与报告基因的 ORF 的 5'端对应的熔化温度调整底因长度,确保底源器中的相应区域与基因的感应链相同。
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