Transcription of the principal sigma-factor genes, rpoD and rpoS, in Pseudomonas aeruginosa is controlled according to the growth phase.


The rpoS gene encodes the second principal sigma factor of RNA polymerase in stationary-phase cells in Escherichia coli. We examined the transcription of Pseudomonas aeruginosa rpoS as to the growth of cells. The results of quantitative S1 nuclease mapping of rpoS and rpoD, encoding the principal sigma factor, indicated that the transcription of rpoS is… (More)


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