Abstract
Virions isolated from a spontaneous mammary carcinoma of a rhesus monkey and propagated in human cells possess an RNA-instructed DNA polymerase. They also exhibit DNA polymerase activities that respond to either double-stranded DNA or synthetic RNA·DNA hybrid complexes as templates. The virion has been shown to have a density of 1.16 g/ml and to contain a nucleic acid species of high molecular weight (sedimentation coefficient, 60-70 S), which bands as RNA at 1.670 in a Cs2SO4 equilibrium density gradient. In addition, the virions contain species of low molecular weight (4-6 S) that consist of RNA as well as components banding at densities characteristic of DNA·RNA complexes. The nucleoid of this virion has been isolated and shown to have a density of 1.23 g/ml; it also contains a 60-70S nucleic acid species.
Keywords: oncogenic RNA virus, primate cancer
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Selected References
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- Chopra H. C., Mason M. M. A new virus in a spontaneous mammary tumor of a rhesus monkey. Cancer Res. 1970 Aug;30(8):2081–2086. [PubMed] [Google Scholar]
- Chopra H. C., Zelljadt I., Jensen E. M., Mason M. M., Woodside N. J. Infectivity of cell cultures by a virus isolated from a mammary carcinoma of a rhesus monkey. J Natl Cancer Inst. 1971 Jan;46(1):127–137. [PubMed] [Google Scholar]
- Jensen E. M., Zelljadt I., Chopra H. C., Mason M. M. Isolation and propagation of a virus from a spontaneous mammary carcinoma of a rhesus monkey. Cancer Res. 1970 Sep;30(9):2388–2393. [PubMed] [Google Scholar]
- Kramarsky B., Sarkar N. H., Moore D. H. Ultrastructural comparison of a virus from a Rhesus-monkey mammary carcinoma with four oncogenic RNA viruses. Proc Natl Acad Sci U S A. 1971 Jul;68(7):1603–1607. doi: 10.1073/pnas.68.7.1603. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Lin F. H., Thormar H. Ribonucleic acid-dependent deoxyribonucleic acid polymerase in visna virus. J Virol. 1970 Nov;6(5):702–704. doi: 10.1128/jvi.6.5.702-704.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Moore D. H., Charney J., Kramarsky B., Lasfargues E. Y., Sarkar N. H., Brennan M. J., Burrows J. H., Sirsat S. M., Paymaster J. C., Vaidya A. B. Search for a human breast cancer virus. Nature. 1971 Feb 26;229(5287):611–614. doi: 10.1038/229611a0. [DOI] [PubMed] [Google Scholar]
- Nowinski R. C., Edynak E., Sarkar N. H. Serological and structural properties of Mason-Pfizer monkey virus isolated from the mammary tumor of a Rhesus monkey. Proc Natl Acad Sci U S A. 1971 Jul;68(7):1608–1612. doi: 10.1073/pnas.68.7.1608. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Schlom J., Harter D. H., Burny A., Spiegelman S. DNA polymerase activities in varions of visna virus, a causative agent of a "slow" neurological disease. Proc Natl Acad Sci U S A. 1971 Jan;68(1):182–186. doi: 10.1073/pnas.68.1.182. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Schlom J., Spiegelman S., Moore D. RNA-dependent DNA polymerase activity in virus-like particles isolated from human milk. Nature. 1971 May 14;231(5298):97–100. doi: 10.1038/231097a0. [DOI] [PubMed] [Google Scholar]
- Spiegelman S., Burny A., Das M. R., Keydar J., Schlom J., Travnicek M., Watson K. Characterization of the products of DNA-directed DNA polymerases in oncogenic RNA viruses. Nature. 1970 Aug 8;227(5258):563–567. doi: 10.1038/227563a0. [DOI] [PubMed] [Google Scholar]
- Spiegelman S., Burny A., Das M. R., Keydar J., Schlom J., Travnicek M., Watson K. DNA-directed DNA polymerase activity in oncogenic RNA viruses. Nature. 1970 Sep 5;227(5262):1029–1031. doi: 10.1038/2271029a0. [DOI] [PubMed] [Google Scholar]
- Spiegelman S., Burny A., Das M. R., Keydar J., Schlom J., Trávnícek M., Watson K. Synthetic DNA-RNA hybrids and RNA-RNA duplexes as templates for the polymerases of the oncogenic RNA viruses. Nature. 1970 Oct 31;228(5270):430–432. doi: 10.1038/228430a0. [DOI] [PubMed] [Google Scholar]