Abstract
Several homologous hamster embryonic cell lines, transformed in association with simian virus (SV) 40 infection, were examined for the presence of deoxyribonucleic acid (DNA) complementary to SV40 ribonucleic acid (RNA) made in vitro. The methods employed permitted the detection of 10(-5) mug of viral DNA in 100 mug of cellular DNA, corresponding to one-fifth of an SV40 DNA molecule per cell. Those lines which contained both the SV40 surface (S) and tumor (T) antigens also contained DNA complementary to SV40 RNA synthesized in vitro. In contrast, neither of two lines which contained S, but not T, antigen contained detectable DNA complementary to SV40 RNA. These findings suggest that the production of S antigen does not depend upon the persistence of SV40 DNA in transformed cells.
MeSH Terms
Animals
Antigens/analysis
Carbon Isotopes
Cell Line
Cell Transformation, Neoplastic
Centrifugation, Density Gradient
Cricetinae
Culture Techniques
DNA/analysis
DNA, Viral/analysis,isolation & purification
Fluorescent Antibody Technique
Genetics, Microbial
Haplorhini
Hybridization, Genetic
Immune Sera
Kidney
Mice
RNA, Viral/biosynthesis
Simian virus 40/analysis,growth & development,immunology,pathogenicity
Sucrose
Tritium
Chemicals
Antigens
Carbon Isotopes
DNA, Viral
Immune Sera
RNA, Viral
Tritium
Sucrose
DNA
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Levine A S
Oxman M N
Henry P H
Levin M J
Diamandopoulos G T
Enders J F
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