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. 1979 Nov 10;7(5):1163–1174. doi: 10.1093/nar/7.5.1163

A unique subgenomic species of adenovirus 2 DNA generated under high multiplicities of infection.

S Rajagopalan, G Chinnadurai
PMCID: PMC342294  PMID: 514811

Abstract

We have identified a novel subgenomic viral DNA in KB cells infected with adenovirus 2 (Ad2) under high multiplicities of infection. KB cells were infected with Ad2 at multiplicities of infection greater than 100 PFU/cell. 32P-labeled viral DNA was selectively extracted by a modification of the method of Hirt (8) from the infected cells and analyzed by electrophoresis on agarose gels. In addition to full-length DNA (33 to 23 x 10(6) daltons), a unique subgenomic DNA species of about 12 to 13% (2.6 x 10(6) daltons) of full-length DNA in size was found in the infected cells. This subgenomic DNA was found to be double stranded and was not packaged inside the virus particles. This DNA could be isolated in large amounts (30 to 50% of total viral DNA) from infected cells. When cleaved with restriction endonuclease KpnI, the subgenomic DNA yielded two fragments, each corresponding to about 6% and 7% of the full-length genome in size.

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Selected References

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