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. 2015 Feb 24;6(2):e02367-14. doi: 10.1128/mBio.02367-14

FIG 1 .

FIG 1 

Behavior of single motors of Salmonella (A) and E. coli (B) over a 60-s time frame. Rotation of motors of Salmonella (JP1107) and E. coli (MT02) was monitored by recording the motion of 0.75 µm polystyrene beads attached to sheared “sticky” filaments. Rotation speeds are expressed in Hz. The positive and negative values represent CW and CCW rotations, respectively. Switching (reversal in motor direction) occurs when the trace crosses zero. The profiles are representative of at least 20 individual motors.