Article
The histone-like protein HU does not obstruct movement of T7 RNA polymerase in Escherichia coli cells but stimulates its activity.
Journal of bacteriology - 1 Mar 2002
Morales Pilar, Rouviere-Yaniv Josette, Dreyfus Marc
Abstract excerpt
In vivo, RNA polymerases (RNAPs) do not transcribe naked DNA but do transcribe protein-associated DNA. Studies with the model enzyme T7 RNAP have shown that, in eukaryotic cells or in vitro, nucleosomes can inhibit both transcription initiation and elongation. We examine here whether the presence of HU, one of the major histone-like proteins in Escherichia coli cells (the genuine milieu for T7 RNAP) affects its...
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