rRNA transcription rate in Escherichia coli
- 1 October 1991
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 173 (20) , 6647-6649
- https://doi.org/10.1128/jb.173.20.6647-6649.1991
Abstract
The rate of in vivo transcription elongation for Escherichia coli rRNA operons was determined by electron microscopy following addition of rifampin to log-phase cultures. Direct observation of RNA polymerase positions along rRNA operons 30, 40, and 70 s after inhibition of transcription initiation yielded a transcription elongation rate of 42 nucleotides per s.Keywords
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