Figure 5.
HrrS‐mediated cross‐phosphorylation of ChrA might act as a kick‐start impulse contributing to a fast ON‐set of the PhrtBA response. Reporter output of C. glutamicum wild‐type cells and the mutant strains ∆hrrS and ∆chrS, carrying the vector pJC1_PhrtBA‐eyfp and cultivated in CGXII minimal medium with 2% (w/v) glucose containing 4 µM hemin as iron source. [Colour figure can be viewed at wileyonlinelibrary.com]