Simian Virus 40 Transcription in Productively Infected and Transformed Cells

AUTOR(ES)

Weinberg, Robert A.

RESUMO

Several independent cell lines transformed by simian virus 40 carry a species of viral RNA of 900,000 to 1,000,000 daltons. A viral RNA species of similar size is found early in the lytic cycle. Late in the viral lytic cycle, two prominent viral RNA species of about 600,000 and 900,000 daltons are seen. The larger late species shares nucleotide sequences with, and is less stable than, the smaller. These RNA species are located in the cytoplasm of the infected cell. The regions of the viral genome coding for these RNA species are mapped by hybridization of lytic RNA species to fragments of the genome produced by cleavage with Haemophilus aegyptius endonuclease.

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