Phase separation by the SARS-CoV-2 nucleocapsid protein: Consensus and open questions.

Phase separation by the SARS-CoV-2 nucleocapsid protein: Consensus and open questions.
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DOI:
10.1016/j.jbc.2022.101677
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发表时间:
2022-03
期刊:
The Journal of biological chemistry
影响因子:
--
通讯作者:
Ross ED
Ross ED
中科院分区:
其他
文献类型:
--
作者:
Cascarina SM;Ross ED

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为了应对最近的SARS-CoV-2大流行,世界各地的一些实验室重新分配了他们的时间和资源,以更好地了解该病毒。对于一些病毒,包括SARS-CoV-2,病毒蛋白质可以经历相分离:这是一种生物物理过程,通常与蛋白质和RNA在体内分配到无膜细胞器中有关。在这篇综述中,我们讨论了新出现的观察相分离的SARS-CoV-2核衣壳(N)蛋白,病毒复制所需的一种重要的病毒蛋白质,并可能在体内的功能,已提出的N-蛋白相分离,包括病毒复制,病毒基因组RNA包装,和调制宿主细胞对感染的反应。此外,由于在很短的时间内发表了相对大量的研究SARS-CoV-2 N-蛋白相分离的研究,我们利用这种情况来比较研究中类似实验的结果。我们的评估强调了从一组实验中得出结论的潜在优势和陷阱,以及多个实验室同时进行的重叠科学观察的价值。
In response to the recent SARS-CoV-2 pandemic, a number of labs across the world have reallocated their time and resources to better our understanding of the virus. For some viruses, including SARS-CoV-2, viral proteins can undergo phase separation: a biophysical process often related to the partitioning of protein and RNA into membraneless organelles in vivo. In this review, we discuss emerging observations of phase separation by the SARS-CoV-2 nucleocapsid (N) protein—an essential viral protein required for viral replication—and the possible in vivo functions that have been proposed for N-protein phase separation, including viral replication, viral genomic RNA packaging, and modulation of host-cell response to infection. Additionally, since a relatively large number of studies examining SARS-CoV-2 N-protein phase separation have been published in a short span of time, we take advantage of this situation to compare results from similar experiments across studies. Our evaluation highlights potential strengths and pitfalls of drawing conclusions from a single set of experiments, as well as the value of publishing overlapping scientific observations performed simultaneously by multiple labs.
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