Revisiting an old friend: new findings in alphavirus structure and assembly.

Revisiting an old friend: new findings in alphavirus structure and assembly.
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重新审视一个老朋友:α病毒结构和组装中的新发现。

DOI:
10.1016/j.coviro.2020.06.005
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发表时间:
2020-12
影响因子:
5.9
通讯作者:
Mukhopadhyay S
Mukhopadhyay S
中科院分区:
医学2区
文献类型:
--
作者:
Button JM;Qazi SA;Wang JC;Mukhopadhyay S

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甲病毒通过节肢动物媒介传播给脊椎动物宿主。这些生物体的疾病病理学、细胞环境、免疫反应和宿主因素非常不同。然而,这种病毒能够使用一套遗传指令在这两种动物中感染、复制和组装成新的粒子。在病毒组装过程中,保守机制和独特策略之间的平衡对于病毒的适应性至关重要。在这篇综述中,我们讨论了在受体结合,多蛋白拓扑结构,核衣壳核心形成和粒子出芽,在过去的五年中出现的新发现,并分享这些新发现如何可能回答有关甲病毒的结构和组装的一些问题的意见。
Alphaviruses are transmitted by an arthropod vector to a vertebrate host. The disease pathologies, cellular environments, immune responses, and host factors are very different in these organisms. Yet, the virus is able to infect, replicate, and assemble into new particles in these two animals using one set of genetic instructions. The balance between conserved mechanisms and unique strategies during virus assembly is critical for fitness of the virus. In this review, we discuss new findings in receptor binding, polyprotein topology, nucleocapsid core formation, and particle budding that have emerged in the last five years and share opinions on how these new findings might answer some questions regarding alphavirus structure and assembly.
电子计数和束诱导运动校正可实现近原子分辨率的单粒子冷冻电镜。
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