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J Virol. 1979 October; 32(1): 91-97

Adenovirus DNA template for late transcription is not a replicative intermediate.

ABSTRACT

The relationship between adenovirus replication and late transcription has been investigated using viral replication and transcription complexes isolated from infected HeLa cell nuclei. These two types of complexes extracted from adenovirus type 2-infected cell nuclei did not sediment at the same rate on sucrose gradients. Viral replicative intermediates were quantitatively precipitated by immunoglobulins raised against purified 72,000-dalton DNA-binding protein, whereas viral transcription complexes remained in the supernatant. These results show that late transcription does not occur on active replication complexes or on 72,000-dalton DNA-binding protein-containing replicative intermediates inactive in DNA synthesis. Additional evidence is presented indicating that it is very unlikely that replicative intermediates lacking the 72,000-dalton DNA-binding protein could be the template for late transcription.