Spherules and IBV.

Spherules and IBV.
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DOI:
10.4161/bioe.29323
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发表时间:
2014-09
期刊:
影响因子:
4.9
通讯作者:
Britton P
Britton P
中科院分区:
生物学2区
文献类型:
--
作者:
Maier HJ;Hawes PC;Keep SM;Britton P

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鸡传染性支气管炎病毒(Infectious bronchitis virus,IBV)是一种重要的经济病毒,在全球范围内给养鸡业造成巨大损失。虽然疫苗是可用的,但由于高菌株变异和差的交叉保护,需要新的疫苗策略。这需要更详细地了解病毒-宿主细胞相互作用,以确定靶向病毒减毒的候选者。由于其在病毒复制中的核心作用,正义RNA病毒领域的一个关键研究领域是通过这类病毒诱导细胞膜重排以组装病毒复制复合物。在我们最近的工作中,我们鉴定了IBV在感染培养细胞以及原代细胞和离体器官培养期间诱导的结构。我们发现了冠状病毒家族的新结构,这些结构与其他正义RNA病毒的复制位点非常相似。我们已经开始使用重组IBV(不同病毒株的嵌合体)扩展这项工作,以研究病毒蛋白在诱导膜重排中的作用。
Infectious bronchitis virus (IBV) is an economically important virus infecting chickens, causing large losses to the poultry industry globally. While vaccines are available, there is a requirement for novel vaccine strategies due to high strain variation and poor cross-protection. This requires a more detailed understanding of virus-host cell interactions to identify candidates for targeted virus attenuation. One key area of research in the positive sense RNA virus field, due to its central role in virus replication, is the induction of cellular membrane rearrangements by this class of viruses for the assembly of virus replication complexes. In our recent work, we identified the structures induced by IBV during infection of cultured cells, as well as primary cells and ex vivo organ culture. We identified structures novel to the coronavirus family, which strongly resemble replication sites of other positive sense RNA viruses. We have begun to extend this work using recombinant IBVs, which are chimera of different virus strains to study the role of viral proteins in the induction of membrane rearrangements.
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