| 昆虫小RNA病毒研究进展 |
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| 引用本文： | 王小纯,胡远扬,张珈敏. 昆虫小RNA病毒研究进展[J]. 昆虫学报, 2003, 46(5): 649-954 |
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| 作者姓名： | 王小纯 胡远扬 张珈敏 |
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| 作者单位： | 武汉大学生命科学学院昆虫病毒研究室,武汉,430072 |
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| 摘 要： | 昆虫小RNA病毒依据基因组结构特点分为家蚕软化病毒组、蟋蟀痹病毒组和豌豆蚜病毒组。昆虫小RNA病毒蛋白质翻译具有独特性：不依赖于帽子结构，不需要启始因子eIF1、eIF1A和帽子结合蛋白eIF4E；而且蟋蟀痹病毒组和豌豆蚜病毒组结构蛋白翻译从内部核糖体进入位点独立启始，启始密码子是CUU。该文还简介了昆虫小RNA病毒复制机理及与其它动、植物小RNA病毒或类小RNA病毒的亲缘关系等的研究进展。
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| 关 键 词： | 昆虫 小RNA病毒 基因组结构 系统发育 |
| 文章编号： | 0454-6296(2003)05-0649-06 |
| 修稿时间： | 2003-03-27 |
Advances in insect picornavirus research |
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| WANG Xiao-Chun,HU Yuan-Yang ,ZHANG Jia-Min. Advances in insect picornavirus research[J]. Acta Entomologica Sinica, 2003, 46(5): 649-954 |
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| Authors: | WANG Xiao-Chun HU Yuan-Yang ZHANG Jia-Min |
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| Affiliation: | WANG Xiao-Chun,HU Yuan-Yang *,ZHANG Jia-Min |
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| Abstract: | According to the characteristics of the genome structure of insect picornaviruses, they can be divided into three groups: infectious flacherie virus(IFV) group, cricket paralysis virus(CrPV) group and Acyrhosiphon pisum virus (APV) group. The initiation of protein translation of insect picornavirus is unique: independent of map structure, and initiation factors eIF1 and eIF1A and map combined protein eIF4E are not necessary; furthermore, the translation of capsid protein of CrPV group and APV group initiate from internal ribosome entry site and the initiation code is CUU. The paper also reviewed advances on replication mechanism of insect picornavirus and the phylogeny among insect, mammal and plant picornaviruses or picorna-like viruses. |
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| Keywords: | insect picornavirus genome structure phylogeny |
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