Transient marker stabilisation: a general procedure to construct marker-free recombinant vaccinia virus

被引:18
作者
Scheiflinger, F [1 ]
Dorner, F [1 ]
Falkner, FG [1 ]
机构
[1] Immuno AG, Biomed Res Ctr, A-2304 Orth Donau, Austria
关键词
D O I
10.1007/s007050050303
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Recombinant vaccinia viruses based on the highly attenuated Modified Vaccinia Ankara (MVA) strain expressing HIV-1 antigen genes were constructed by a novel procedure involving the transient use of two marker genes. The selectable markers used, the Escherichia coli guanine phosphoribosyltransferase (gpt) and the beta-galactosidase (lacZ) genes, are not retained within the final recombinant virus. The transient marker stabilisation (TMS) procedure allows the generation of marker-free recombinant viruses in a series of simple plaque purification steps. HIV-1 gag pol genes were inserted into two loci of vaccinia MVA demonstrating the efficiency of the procedure.
引用
收藏
页码:467 / 474
页数:8
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