Journal article
Repression and Activation of the Genome of Herpes Simplex Viruses in Human Cells
Proceedings of the National Academy of Sciences - PNAS, v 78(10), pp 6522-6526
01 Oct 1981
PMID: 6273875
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We have described previously a cell culture system in which the herpes simplex virus (HSV) type 2 (HSV-2) genome is maintained in a repressed form after treatment of infected cells with 1-β -D-arabinofuranosylcytosine and increase of incubation temperature from 37 degrees C to 39.5 degrees C. Infectious HSV-2 production was activated by altering incubation temperature or by superinfecting with human cytomegalovirus. We now report the establishment of an analogous system utilizing HSV type 1 (HSV-1). Human embryo lung cells were infected with HSV-1 and treated with 1-β -D-arabinofuranosylcytosine (25 μ g/ml) for 7 days to minimize both synthesis of virus DNA and infectious virus while allowing expression of early virus genes. HSV-1 was maintained in an undetectable form for at least 72 days when the incubation temperature was raised from 37 degrees C to 40.5 degrees C after removal of the inhibitor. HSV-1 gene expression was then predictably turned on by superinfection with human cytomegalovirus or by reducing the incubation temperature. Virus replicated after activation was compared with the respective parental virus with regard to inhibition by the HSV-1-specific antiviral (E)-5-(2-bromovinyl)-2′-deoxyuridine and EcoRI, HindIII, and Xba I restriction endonuclease cleavage patterns. The results show activation of HSV gene expression in human cells by a human cytomegalovirus early gene function(s), followed by synthesis of parental-like HSV.
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Details
- Title
- Repression and Activation of the Genome of Herpes Simplex Viruses in Human Cells
- Creators
- Brian L. WigdahlHarriet C. IsomFred Rapp
- Publication Details
- Proceedings of the National Academy of Sciences - PNAS, v 78(10), pp 6522-6526
- Publisher
- National Academy of Sciences of the United States of America
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Microbiology and Immunology
- Web of Science ID
- WOS:A1981MM06900118
- Scopus ID
- 2-s2.0-0019868330
- Other Identifier
- 991020111020604721
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- Biology