RNA Editing and its Control in Hepatitis Delta Virus Replication

被引：8
|
作者：
Chen, Renxiang [1 ]
Linnstaedt, Sarah D. [1 ]
Casey, John L. [1 ]
机构：
[1] Georgetown Univ, Med Ctr, Dept Microbiol & Immunol, Washington, DC 20007 USA
来源：
VIRUSES-BASEL | 2010年 / 2卷 / 01期
关键词：
hepatitis delta virus; RNA editing; hepatitis delta antigen; ADAR1; RNA structure; RNA structural dynamics; RNA-protein interactions; PRE-MESSENGER-RNAS; B R/G SITE; ADENOSINE-DEAMINASE; GENOTYPE-III; STRUCTURAL REQUIREMENTS; SECONDARY STRUCTURE; ANTIGEN; BINDING; ADAR1; GENOME;
D O I：
10.3390/v2010131
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The hepatitis delta virus genome is a small circular RNA, similar to viroids. Although HDV contains a gene, the protein produced (HDAg) is encoded by less than half the genome and possesses no RNA polymerase activity. Because of this limited coding capacity, HDV relies heavily on host functions and on structural features of the viral RNA-very much like viroids. The virus' use of host RNA editing activity to produce two functionally distinct forms of HDAg is a particularly good example of this reliance. This review covers the mechanisms and control of RNA editing in the HDV replication cycle.
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页码：131 / 146
页数：16
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