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Proc Natl Acad Sci U S A. 1978 March; 75(3): 1126–1130.
PMCID: PMC411421
Minichromosome from BK virus as a template for transcription in vitro.
G Meneguzzi, P F Pignatti, G Barbanti-Brodano, and G Milanesi
Abstract
BK virus DNA can be extracted from virions as a nucleoprotein complex containing about 20 nucleosomes. Transcription of this "minichromosome" with Escherichia coli RNA polymerase indicates that both initiation and elongation of RNA chains are reduced by the presence of nucleosomes. Hybridization analysis of RNA made on the complex shows preferential transcription of one region of BK virus genome. No increase in strand selection is observed with respect to transcription of purified superhelical BK virus DNA.
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Selected References
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