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DegU mediates the increase in aprE transcription caused by deletion of hag. (A) Increased expression of the PaprE-luc reporter in the hag and motB knock out strains. (B) aprE expression can be completely suppressed by a degU deletion in the hag background. The strains used were as follows: wild-type PaprE-luc (BD6904), Δhag PaprE-luc (BD7639), ΔmotB PaprE-luc (BD7719), ΔdegU PaprE-luc (BD7084) and Δhag ΔdegU PaprE-luc (BD7371). The vertical arrows in each panel point to T0.
