1887

Abstract

SUMMARY

Ultraviolet (u.v.) light-irradiation of human cytomegalovirus (HCMV) resulted in differential inactivation of virus capacities, e.g. induction of cell rounding, early antigens (EA), nuclear inclusion, HCMV DNA synthesis, cellular DNA synthesis, HCMV-specific DNA polymerase, cellular DNA polymerases and plaque production, while the capacity of HCMV to penetrate cell nuclei was not critically impaired. These results indicated that the virus-coded functions expressed after infection were responsible for all these events except for HCMV-induced stimulation of cellular RNA synthesis which was enhanced by irradiation of the virus at a low dose of u.v. light (6600 ergs/mm). In these experiments phosphonoacetic acid was effectively utilized to detect EA formation by immunofluorescent staining and to differentiate cellular DNA synthesis from virus DNA synthesis.

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1978-01-01
2022-01-16
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