Proteomic analysis of the EhV-86 virion.

Proteomic analysis of the EhV-86 virion.
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DOI:
10.1186/1477-5956-6-11
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发表时间:
2008-03-17
期刊:
影响因子:
2
通讯作者:
Wilson, William H.
Wilson, William H.
中科院分区:
生物学4区
文献类型:
--
作者:
Allen, Michael J.;Howard, Julie A.;Lilley, Kathryn S.;Wilson, William H.

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虎纹伊蚊病毒86型(EHV-86)是疫霉病毒科球虫病毒属的模式种。全长407,339个碱基的基因组预计编码473个蛋白质编码序列(CDS),是迄今为止测得的最大的植物体导航病毒科。大多数EHV-86 CDS与公共数据库中的蛋白质没有相似性。用1-DE和LC-MS/MS进行蛋白质组学分析,确定EHV-86病毒粒子至少由28个蛋白质组成,其中23个蛋白质被预测为膜蛋白。除了主要的衣壳蛋白外,病毒粒子的其他4个组成部分也具有可能的功能:两种凝集素蛋白、一种硫氧还蛋白和一种丝氨酸/苏氨酸蛋白激酶。这项研究是鉴定组成EHV-86病毒粒子的蛋白质组分的第一步。除了主要的衣壳蛋白,其在病毒粒子中的功能是众所周知的和确定的,其他蛋白的性质表明参与病毒萌发、半胱氨酸天冬氨酸酶激活、信号、抗氧化、病毒吸附和宿主范围确定。
Emiliania huxleyi virus 86 (EhV-86) is the type species of the genus Coccolithovirus within the family Phycodnaviridae. The fully sequenced 407,339 bp genome is predicted to encode 473 protein coding sequences (CDSs) and is the largest Phycodnaviridae sequenced to date. The majority of EhV-86 CDSs exhibit no similarity to proteins in the public databases. Proteomic analysis by 1-DE and then LC-MS/MS determined that the virion of EhV-86 is composed of at least 28 proteins, 23 of which are predicted to be membrane proteins. Besides the major capsid protein, putative function can be assigned to 4 other components of the virion: two lectin proteins, a thioredoxin and a serine/threonine protein kinase. This study represents the first steps toward the identification of the protein components that make up the EhV-86 virion. Aside from the major capsid protein, whose function in the virion is well known and defined, the nature of the other proteins suggest roles involved with viral budding, caspase activation, signalling, anti-oxidation, virus adsorption and host range determination.
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发表时间: 2006-12-29
影响因子: 4.8
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发表时间: 2001-09-01
期刊: BIOINFORMATICS
影响因子: 5.8
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通讯作者: Apweiler, R
DOI: 10.1111/j.1529-8817.2006.00256.x
发表时间: 2006-10-01
影响因子: 2.9
作者:
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通讯作者: Wilson, William H.