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Analysis of proteins synthesized in respiratory syncytial virus-infected cells.

机译:呼吸合胞病毒感染细胞中合成的蛋白质分析。

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The spectrum of respiratory syncytial virus-encoded proteins was examined in infected cell extracts by standard polyacrylamide gel electrophoresis and by two-dimensional gel analysis. Polyacrylamide gel electrophoresis analysis of a variety of respiratory syncytial virus-infected, actinomycin D-treated cell lines revealed the presence of as many as nine virus-encoded proteins. Seven of these nine proteins were immunoprecipitated by anti-respiratory syncytial serum. Only one major band of [3H]glucosamine was detected in infected cell extracts (Vp86), whereas the reported major virion glycoprotein (Vp48-53) was difficult to detect in infected cells when carbohydrate labels were employed. Two-dimensional gel analysis easily identified seven viral proteins, and one other was tentatively identified. The reported major virion glycoprotein again was not consistently detected. The results of this study confirm the existence of a virus-coded glycoprotein (Vp86) in infected cell extracts. The existence of this glycoprotein in the purified virion has been in dispute, but the apparent low methionine content of this protein may be the reason for this controversy.
机译:通过标准聚丙烯酰胺凝胶电泳和二维凝胶分析,在感染的细胞提取物中检测呼吸道同性恋病毒编码蛋白的光谱。聚丙烯酰胺凝胶电泳分析各种呼吸道合胞病毒感染,放线霉素D-处理的细胞系显示出存在多种作为九种病毒编码蛋白质的存在。这些九种蛋白质中的七种通过抗呼吸合胞血清免疫沉淀。在感染的细胞提取物(VP86)中检测到[3H]葡糖胺的一个主要条带,而报道的主要病毒蛋白糖蛋白(VP48-53)难以在使用碳水化合物标记时检测在感染的细胞中。二维凝胶分析容易鉴定七种病毒蛋白,暂时鉴定另一个病毒蛋白。报告的主要病毒蛋白糖蛋白再次不始终检测到。该研究的结果证实了在感染的细胞提取物中存在病毒编码的糖蛋白(VP86)。在纯化的病毒中存在这种糖蛋白的存在已经存在争议,但该蛋白质的表观低甲硫氨酸含量可能是这种争议的原因。

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  • 来源
    《Journal of Virology》 |1982年第2期|共7页
  • 作者

    E J Dubovi;

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  • 收录信息 美国《科学引文索引》(SCI);
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