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Nucleic Acids Res. 1985 Feb 25;13(4):1413-28.

Differential activation of RNA polymerase III-transcribed genes by the polyomavirus enhancer and the adenovirus E1A gene products.

Abstract

We have compared the effect of the polyomavirus cis-acting transcriptional enhancer and the adenovirus trans-acting E1A gene on expression of RNA polymerase III-transcribed genes (the adenovirus VAI gene and a bacterial tRNA gene) using DNA transfection and transient expression assays. The polyomavirus enhancer has little effect upon transcription of the VAI gene by RNA polymerase III in any cell type tested (murine, hamster, or human). In contrast, expression of the E1A gene within adenovirus infected cells stimulates transcription of RNA polymerase III-transcribed genes from co-transfected DNAs. Human 293 cells, which constitutively produce adenovirus E1A gene products, also express high levels of RNA polymerase III transcripts from transfected DNAs.

PMID:
2987823
PMCID:
PMC341081
DOI:
10.1093/nar/13.4.1413
[Indexed for MEDLINE]
Free PMC Article

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