Regulation of herpes simplex virus gene expression

被引:94
作者
Weir, JP [1 ]
机构
[1] US FDA, Ctr Biol Evaluat & Res, Div Viral Prod, Rockville, MD 20852 USA
关键词
herpesviruses; gene regulation; virus-host cell interactions; transcription;
D O I
10.1016/S0378-1119(01)00512-1
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Expression of the more than 80 individual genes of herpes simplex virus 1 (HSV-1) takes place in a tightly regulated sequential manner that was first described over 20 years ago. Investigations since that time have focused on understanding the mechanisms that regulate this orderly and efficient expression of viral genes. This review examines recent findings that have shed light on how this process is regulated during productive infection of the cell. Although the story is still not complete, several aspects of HSV gene expression are now clearer as a result of these findings. In particular, several new functions have recently been ascribed to some of the known viral regulatory proteins. The results indicate that the viral gene expression is regulated through transcriptional as well as post-transcriptional mechanisms. In addition, it has become increasingly clear that the virus has evolved specific functions to interact with the host cell in order to divert and redirect critical host functions for its own needs. Understanding the interactions of HSV and the host cell during infection will be essential for a complete understanding of how viral gene expression is regulated. Future challenges in the field will be to develop a complete understanding of the mechanisms that temporally regulate virus gene expression, and to identify and characterize the relevant interactions between the virus and the distinctive cell types normally infected by the virus. Published by Elsevier Science B.V.
引用
收藏
页码:117 / 130
页数:14
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