Fatal attraction: The roles of ribosomal proteins in the viral life cycle.

Fatal attraction: The roles of ribosomal proteins in the viral life cycle.
复制标题

致命的吸引力:核糖体蛋白在病毒生命周期中的作用。

DOI:
10.1002/wrna.1613
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发表时间:
2021-03
期刊:
Wiley interdisciplinary reviews. RNA
影响因子:
--
通讯作者:
Fuchs G
Fuchs G
中科院分区:
其他
文献类型:
--
作者:
Miller CM;Selvam S;Fuchs G

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当病毒感染宿主细胞时,每种病毒启动一个程序以产生许多子代病毒。尽管病毒以多种方式与宿主细胞相互作用,但病毒生命周期的一个关键步骤是病毒蛋白的表达,病毒蛋白由宿主核糖体与宿主翻译因子结合合成。在这里,我们回顾了不同的机制,病毒已经发展到有效地抓住宿主细胞核糖体,特定的核糖体蛋白的作用和翻译后修饰的病毒RNA翻译或细胞对感染的反应。我们将进一步强调在病毒感染过程中具有核糖体外功能的核糖体蛋白,并将病毒感染过程中核糖体蛋白的知识纳入核糖体相关疾病(称为核糖体病)的更大背景中。所有的病毒都需要宿主细胞核糖体来表达病毒蛋白,这就引发了宿主细胞和病毒之间的核糖体之战。病毒篡夺特定的核糖体蛋白以促进病毒蛋白质的生物合成。病毒直接或间接诱导翻译后修饰,或在病毒生命周期的其他步骤中利用核糖体外功能。相反,细胞试图通过改变核糖体的翻译后修饰、阻断病毒复制或阻断病毒生命周期中核糖体蛋白在核糖体外发挥作用的其他步骤来控制和限制病毒进入核糖体。
Upon viral infection of a host cell, each virus starts a program to generate many progeny viruses. Although viruses interact with the host cell in numerous ways, one critical step of the virus life cycle is the expression of viral proteins, which are synthesized by the host ribosomes in conjunction with host translation factors. Here we review different mechanisms viruses have evolved to effectively seize host cell ribosomes, the roles of specific ribosomal proteins and their posttranslational modifications on viral RNA translation or the cellular response to infection. We will further highlight ribosomal proteins with extraribosomal function during viral infection and put the knowledge of ribosomal proteins during viral infection into the larger context of ribosome-related diseases, known as ribosomopathies. All viruses require host cell ribosomes for expression of viral proteins, starting a battle between the host cell and the virus for ribosomes. Viruses usurp specific ribosomal proteins to facilitate viral protein biosynthesis. Viruses directly or indirectly induce posttranslational modifications, or utilize extraribosomal functions in other steps of the virus life cycle. In contrast, cells try to control and limit viruses’ ribosome access, either by altering posttranslational modifications of ribosomes, by blocking viral replication, or by blocking other steps of the virus life cycle where ribosomal proteins function outside of the ribosome.
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