Recent insights into the biology and biomedical applications of Flock House virus.

Recent insights into the biology and biomedical applications of Flock House virus.
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DOI:
10.1007/s00018-008-8037-y
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发表时间:
2008-09
影响因子:
8
通讯作者:
Schneemann, A.
Schneemann, A.
中科院分区:
生物学1区
文献类型:
--
作者:
Venter, P. A.;Schneemann, A.

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鸡舍病毒(FHV)是一种无包膜的二十面体昆虫病毒,其基因组由两个单链正义RNA分子组成。FHV是一种高度易处理的系统,可用于研究RNA病毒学的各种基本方面。本文综述了近年来国内外关于FHV基因组和亚基因组RNA复制的研究进展,包括对FHV复制复合体的超微结构和分子结构的里程碑式的研究。此外,我们还展示了对FHV B2的研究如何导致对昆虫抗病毒免疫的重大洞察。我们还解释了该病毒两部分基因组的特定包装如何不仅受特定的RNA-蛋白质相互作用控制,而且受RNA复制和基因组识别之间的耦合控制。最后,描述了FHV作为表位呈递系统的应用,特别是它最近在开发新的炭疽抗毒素和疫苗方面的应用。
Flock House virus (FHV) is a nonenveloped, icosahedral insect virus whose genome consists of two molecules of single-stranded, positive-sense RNA. FHV is a highly tractable system for studies on a variety of basic aspects of RNA virology. In this review, recent studies on the replication of FHV genomic and subgenomic RNA are discussed, including a landmark study on the ultrastructure and molecular organization of FHV replication complexes. In addition, we show how research on FHV B2, a potent suppressor of RNA silencing, resulted in significant insights into antiviral immunity in insects. We also explain how the specific packaging of the bipartite genome of this virus is not only controlled by specific RNA-protein interactions but also by coupling between RNA replication and genome recognition. Finally, applications for FHV as an epitope-presenting system are described with particular reference to its recent use for the development of a novel anthrax antitoxin and vaccine.
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