Creation of a completely helper cell-dependent recombinant morbillivirus.

Creation of a completely helper cell-dependent recombinant morbillivirus.
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DOI:
10.1099/vir.0.050872-0
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发表时间:
2013-06
期刊:
The Journal of general virology
影响因子:
--
通讯作者:
Baron M
Baron M
中科院分区:
其他
文献类型:
--
作者:
Baron J;Baron M

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我们通过修改基因组以去除磷蛋白(P)的编码序列,并在构成表达P蛋白的细胞系中恢复重组病毒,创建了一种完全依赖于细胞的辅助细胞麻疹病毒。P蛋白缺失病毒(P−)的生长效率很低,除非同时表达病毒辅助蛋白(V和C)。病毒的生长仅限于表达P的细胞系。P−病毒的生长速度比亲本病毒慢,在感染细胞中表达的病毒蛋白要少得多。这项技术可以用来制造病毒样颗粒,用作疫苗或免疫学或血清学检测中的抗原。
We have created a completely helper cell-dependent morbillivirus by modifying the genome to remove the coding sequence of the phosphoprotein (P) and recovering the recombinant virus in a cell line constitutively expressing the P protein. The P protein-deleted virus (P−) grew very inefficiently unless both of the viral accessory proteins (V and C) were also expressed. Growth of the virus was restricted to the P-expressing cell line. The P− virus grew more slowly than the parental virus and expressed much less viral protein in infected cells. The technique could be used to create virus-like particles for use as a vaccine or as antigen in immunological or serological assays.
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