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. 1970 Dec;6(6):788–794. doi: 10.1128/jvi.6.6.788-794.1970

Adenovirus Type 2-Simian Virus 40 Hybrid Population: Evidence for a Hybrid Deoxyribonucleic Acid Molecule and the Absence of Adenovirus-Encapsidated Circular Simian Virus 40 Deoxyribonucleic Acid

Clyde S Crumpacker 1, Myron J Levin 1, William H Wiese 1, Andrew M Lewis Jr 1, Wallace P Rowe 1
PMCID: PMC376196  PMID: 4322081

Abstract

The deoxyribonucleic acid (DNA) from the adenovirus-encapsidated particles of the adenovirus type 2 (Ad2)-simian virus 40 (SV40) hybrid population plaque variant (Ad2++ HEY), known to yield SV40 virus with high efficiency, was studied by equilibrium density centrifugation followed by ribonucleic acid-DNA hybridization employing virus-specific complementary ribonucleic acids synthesized in vitro. These techniques establish linkage between the Ad2 and SV40 components in the adenovirus-encapsidated particles of this population. The linkage is alkali-resistant and presumably covalent; thus, the Ad2 DNA and SV40 DNA are present in a hybrid molecule. Velocity centrifugation studies in alkaline sucrose gradients eliminated the possibility that supercoiled circular SV40 DNA is present in the adenovirus capsids. The DNA obtained from the adenovirus-encapsidated particles of the Ad2++ HEY population appears to consist of nonhybrid Ad2 DNA and Ad2-SV40 hybrid DNA molecules.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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