Cis- and cell-type-dependent trans-requirements for Lassa virus-like particle production.

Cis- and cell-type-dependent trans-requirements for Lassa virus-like particle production.
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拉沙病毒样颗粒生产的顺式和细胞类型依赖性反式要求。

DOI:
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发表时间:
2015
影响因子:
3.8
通讯作者:
J. Yasuda
J. Yasuda
中科院分区:
医学3区
文献类型:
--
作者:
Shuzo Urata;J. Yasuda

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拉萨病毒小锌指蛋白(Z)含有两个L结构域,在病毒萌发过程中起着核心作用。在这里,我们报告了糖蛋白的共表达改变了对胆固醇的需求,但不改变了L结构域和宿主因子Tsg101,以产生Z诱导的病毒样颗粒(VLP)。特别是,VLP生产所需的胆固醇与细胞类型有关。此外,GPC被发现在Z与CD63的共定位中起重要作用,CD63是一种较晚的内体标记。我们还发现,Z的N-末端区域(aa3-10)对其肉豆蔻酰化和VLP的产生是关键的。这些发现将有助于我们对LASV组装和萌发的理解。
Lassa virus (LASV) small zinc-finger protein (Z), which contains two L-domain motifs, plays a central role in virus budding. Here, we report that co-expression of glycoprotein (GPC) altered the requirements for cholesterol but not the L-domains and host factor, Tsg101, for Z-induced virus-like particle (VLP) production. In particular, the cholesterol requirement for VLP production was cell-type-dependent. In addition, GPC was found to be important for co-localization of Z with CD63, a late endosomal marker. We also found that the N-terminal region (aa 3-10) of Z was critical for its myristoylation and VLP production. These findings will contribute to our understanding of LASV assembly and budding.
DOI: 10.1073/pnas.86.15.5781
发表时间: 1989-08-01
影响因子: 11.1
作者:
GOTTLINGER, HG;SODROSKI, JG;HASELTINE, WA
通讯作者: HASELTINE, WA
DOI: 10.1089/aid.1990.6.721
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