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HeLa细胞中蛋白质合成的调控。3. 脊髓灰质炎病毒感染期间的抑制作用。

Regulation of protein synthesis in HeLa cells. 3. Inhibition during poliovirus infection.

作者信息

Leibowitz R, Penman S

出版信息

J Virol. 1971 Nov;8(5):661-8. doi: 10.1128/JVI.8.5.661-668.1971.

Abstract

The mechanism of inhibition of host cell protein synthesis by poliovirus has been studied by examining the behavior of host polyribosomes and polyribosome-associated messenger ribonucleic acid (mRNA). Virus infection appears to result in a specific inhibition of the initiation of translation of host cell mRNA. The site of inhibition does not appear to be mRNA itself. Human cells respond to virus infection by producing a factor antagonistic to the virus inhibition which promotes the initiation of host mRNA translation. The production of the host factor is sensitive to actinomycin; however, the behavior of the host cell factor and that of host mRNA appear distinctly different.

摘要

通过研究宿主多核糖体和与多核糖体相关的信使核糖核酸(mRNA)的行为,对脊髓灰质炎病毒抑制宿主细胞蛋白质合成的机制进行了研究。病毒感染似乎导致宿主细胞mRNA翻译起始的特异性抑制。抑制位点似乎不是mRNA本身。人类细胞通过产生一种与病毒抑制作用拮抗的因子来响应病毒感染,该因子促进宿主mRNA翻译的起始。宿主因子的产生对放线菌素敏感;然而,宿主细胞因子和宿主mRNA的行为明显不同。

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