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  • Title: Detection of viral DNA sequences in adenovirus-transformed cells by in situ hybridization.
    Author: Loni MC, Green M.
    Journal: J Virol; 1973 Dec; 12(6):1288-92. PubMed ID: 4586775.
    Abstract:
    Cytological preparations of cells transformed by members of three groups of human adenoviruses, adenovirus 12, 7, and 2, were annealed with radioactive complementary RNA (cRNA) (4 x 10(7) to 4.5 x 10(7) dpm/mug) prepared by copying viral DNA with the Escherichia coli DNA-directed RNA polymerase. These in situ hybridizations detected adenovirus-specific DNA sequences in interphase nuclei when transformed cells were annealed with homologous viral cRNA, but not with heterologous viral cRNA. The highest autoradiographic grain counts were found over adenovirus 7-transformed cell nuclei, next over adenovirus 12-, and the lowest over adenovirus 2-transformed cell nuclei. This is the same order as found by reassociation kinetic measurements (K. Fujinaga and M. Green, unpublished data).
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