Widespread 3'-end uridylation in eukaryotic RNA viruses.

Widespread 3'-end uridylation in eukaryotic RNA viruses.
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DOI:
10.1038/srep25454
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发表时间:
2016-05-06
期刊:
影响因子:
4.6
通讯作者:
Li W
Li W
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Huo Y;Shen J;Wu H;Zhang C;Guo L;Yang J;Li W

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RNA 3'尿苷化在真核生物中普遍存在,但在病毒中却很少被表征。在这项研究中,我们证明了多种 RNA 病毒,包括真菌病毒、植物病毒和动物病毒,拥有一个新的 RNA 物种群体,带有非模板化寡 (U) 或富含 (U) 尾部,这表明真核病毒中广泛存在 3' 尿苷化。鉴于 3' 尿苷化与真核 RNA 降解的生物学相关性,我们提出了病毒与宿主相互作用中保守但尚不清楚的机制。
RNA 3′ uridylation occurs pervasively in eukaryotes, but is poorly characterized in viruses. In this study, we demonstrate that a broad array of RNA viruses, including mycoviruses, plant viruses and animal viruses, possess a novel population of RNA species bearing nontemplated oligo(U) or (U)-rich tails, suggesting widespread 3′ uridylation in eukaryotic viruses. Given the biological relevance of 3′ uridylation to eukaryotic RNA degradation, we propose a conserved but as-yet-unknown mechanism in virus-host interaction.