Fig. 3.
Regulation of σ38 expression and activity. The upper left side of the figure shows the regulation of σ38 (rpoS) gene transcription. Effect of transcription regulatory proteins shown by arrows. The right-hand part of the figure illustrates the effect of the H-NS protein and DsrA RNA on the secondary structure of rpoS mRNA. Shine-Dalgarno sequence designated as “S.-D.”, open read frame designated as ORF. Proteins affecting the translation of rpoS mRNA are shown in the center of the picture. Proteins affecting the stability of σ38-protein are shown in the lower part of the picture