Alterations in the protein synthetic apparatus of Friend erythroleukemia cells infected with vesicular stomatitis virus or herpes simplex virus.

AUTOR(ES)

Nishioka, Y

RESUMO

We have compared the effects of infection with herpes simplex virus (HSV) and vesicular stomatitis virus (VSV) on the protein synthetic apparatus of Friend erythroleukemia cells. Previous studies demonstrated that infection with HSV rapidly shuts off the synthesis of globin and other cellular polypeptides (Y. Nischioka and S. Silverstein, 1977, Proc. Natl. Acad. Sci. U.S.A. 74: 2370-2374). In contrast to these findings, globin synthesis persists in Friend erythroleukemia cells infected with VSV. Physical measurements of the size of bulk-infected cell mRNA, using hybridization with polyuridylic acid, demonstrated that there was no detectable change in the size of mRNA's after infection with VSV. A comparison of the kinetics of hybridization of cytoplasmic RNA extracted from cells infected with either HSV or VSV with globin complementary DNA revealed that by 4 h postinfection with HSV only about 15% of the globin mRNA sequences remained, whereas there was no discernible change in the sequence abundance of globin mRNA in VSV-infected cells.

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