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Proc Natl Acad Sci U S A. 1982 Aug;79(16):4927-31.

Construction of poxviruses as cloning vectors: insertion of the thymidine kinase gene from herpes simplex virus into the DNA of infectious vaccinia virus.

Abstract

We have constructed recombinant vaccinia viruses containing the thymidine kinase gene from herpes simplex virus. The gene was inserted into the genome of a variant of vaccinia virus that had undergone spontaneous deletion as well as into the 120-megadalton genome of the large prototypic vaccinia variant. This was accomplished via in vivo recombination by cotransfection of eukaryotic tissue culture cells with cloned BamHI-digested thymidine kinase gene from herpes simplex virus containing flanking vaccinia virus DNA sequences and infectious rescuing vaccinia virus. Pure populations of the recombinant viruses were obtained by replica filter techniques or by growth of the recombinant virus in biochemically selective medium. The herpes simplex virus thymidine kinase gene, as an insert in vaccinia virus, is transcribed in vivo and in vitro, and the fidelity of in vivo transcription into a functional gene product was detected by the phosphorylation of 5-[125I]iodo-2'-deoxycytidine.

PMID:
6289324
PMCID:
PMC346798
[Indexed for MEDLINE]
Free PMC Article
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