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单纯疱疹病毒1型UL41保守结构域在病毒体宿主关闭及发病机制中的分析

Analysis of conserved domains of UL41 of herpes simplex virus type 1 in virion host shutoff and pathogenesis.

作者信息

Strelow L I, Leib D A

机构信息

Department of Ophthalmology and Visual Sciences, Washington University School of Medicine, St. Louis, Missouri 63110, USA.

出版信息

J Virol. 1996 Aug;70(8):5665-7. doi: 10.1128/JVI.70.8.5665-5667.1996.

Abstract

The herpes simplex virus type 1 virion host shutoff protein has four domains whose sequences are conserved only among neurotropic herpesviruses. Mutant viruses with 29- and 31-amino-acid deletions in domains III and IV but outside of the domain required for interaction with VP16 were generated. The mutants failed to induce cellular RNA degradation and showed impaired virulence in mice. Domains III and IV are therefore required for both shutoff and virulence.

摘要

单纯疱疹病毒1型病毒体宿主关闭蛋白有四个结构域,其序列仅在嗜神经疱疹病毒中保守。构建了在结构域III和IV中但在与VP16相互作用所需结构域之外有29个和31个氨基酸缺失的突变病毒。这些突变体未能诱导细胞RNA降解,并且在小鼠中显示出毒力受损。因此,结构域III和IV对于关闭和毒力都是必需的。

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