RNA polymerase transcription rate of mRNA in different media and doubling times
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|28-89 Table - link nucleotides/sec
|Bacteria Escherichia coli
|Vogel U, Jensen KF. The RNA chain elongation rate in Escherichia coli depends on the growth rate. J Bacteriol. 1994 May176(10):2807-13PubMed ID7514589
|The mRNA chain elongation rate was determined by the time lag between induction of transcription of specific mRNAs (lacZ, infB) and the appearance of specific hybridization to DNA probes from the 3' ends of the respective genes.
|Slowest rate 28 nts/sec on glucose-15 alpha-methyglucoside medium (doubling time 200 min) fastest rate 89 nts/sec on glucose casamino acid medium (doubling time 35 min)