FIGURE 1.

Many CheY homologs modulate Caulobacter crescentus swimming behavior. (a) Schematic representation of the flagellar motor structure of C. crescentus and its modulation by different homologs of the chemotactic response regulator CheY. CheY‐homologs interact in their phosphorylated (P) or c‐di‐GMP (cdG)‐bound form with the flagellar switch protein FliM of the C ring. (b) Probability distribution of mean run speed (b) and directional switching frequencies (c) of swimming trajectories of different C. crescentus strains in a pseudo‐2D environment recorded at 16 frames per second [Colour figure can be viewed at wileyonlinelibrary.com]