Programmed -1 Ribosomal Frameshifting in coronaviruses: A therapeutic target.
Programmed -1 Ribosomal Frameshifting in coronaviruses: A therapeutic target.
复制标题
冠状病毒中的程序性-1核糖体移码:治疗靶点。
DOI:
10.1016/j.virol.2020.12.010
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发表时间:
2021-03
期刊:
影响因子:
3.7
通讯作者:
Dinman JD
中科院分区:
文献类型:
--
作者:
Kelly JA;Woodside MT;Dinman JD
Human population growth, climate change, and globalization are accelerating the emergence of novel pathogenic viruses. In the past two decades alone, three such members of the coronavirus family have posed serious threats, spurring intense efforts to understand their biology as a way to identify targetable vulnerabilities. Coronaviruses use a programmed −1 ribosomal frameshift (−1 PRF) mechanism to direct synthesis of their replicase proteins. This is a critical switch in their replication program that can be therapeutically targeted. Here, we discuss how nearly half a century of research into −1 PRF have provided insight into the virological importance of −1 PRF, the molecular mechanisms that drive it, and approaches that can be used to manipulate it towards therapeutic outcomes with particular emphasis on SARS-CoV-2. The three-stemmed RNA pseudoknot in the SARS-CoV-2 mRNA directs an elongating ribosome to pause and slip backwards by one base over the heptameric slippery site. Image credit, Sherry Fan.
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