Resolving the functions of overlapping viral genes by site-specific mutagenesis at a mRNA splice site

Resolving the functions of overlapping viral genes by site-specific mutagenesis at a mRNA splice site
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通过 mRNA 剪接位点的定点诱变解决重叠病毒基因的功能

DOI:
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发表时间:
1982
期刊:
影响因子:
64.8
通讯作者:
A. Berk
A. Berk
中科院分区:
综合性期刊1区
文献类型:
--
作者:
C. Montell;E. Fisher;M. Caruthers;A. Berk

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人类腺病毒的早期IA区编码正常诱导早期病毒基因和病毒诱导的细胞转化所需的功能。该区域早期表达为两个重叠剪接的 mRNA,即 12S 和 13S,它们编码密切相关的蛋白质。为了区分这些蛋白质的功能,构建了单个 T→G 颠换,以防止 12S mRNA 的剪接。由于遗传密码的简并性,12S mRNA 内含子第二个碱基的颠换不会改变 13S mRNA 编码的蛋白质。对这种突变体的研究表明,只有 13S mRNA 编码正常早期基因表达所需的调节蛋白。
Early region IA of human adenoviruses encodes a function required for normal induction of early viral genes and virus-induced cell transformation. The region is expressed at early times as two overlapping spliced mRNAs, 12S and 13S, which encode closely related proteins. To distinguish between the functions of these proteins, a single T → G transversion was constructed which prevents splicing of the 12S mRNA. This transversion, in the second base of the 12S mRNA intron, does not alter the protein encoded by the 13S mRNA due to degeneracy in the genetic code. Studies with this mutant demonstrated that only the 13S mRNA encodes the regulatory protein required for normal early gene expression.
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发表时间: 1981
影响因子: 11.1
作者:
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发表时间: 1980
影响因子: 11.1
作者:
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DOI: 10.1093/nar/8.3.543
发表时间: 1980
影响因子: 14.9
作者:
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通讯作者: Berk,AJ
腺病毒早期 RNA 序列的剪接需要一种小的核核糖核蛋白。
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发表时间: 1981
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