Figure 2 | Scientific Reports

Figure 2

From: Running and tumbling with E. coli in polymeric solutions

Figure 2

Swimming speeds of E. coli in buffer and polymeric solutions.

(A) Velocity , average cell orientation and instantaneous cell body orientation θ are defined as shown. (B) Temporal variations in the cell body speeds in buffer and polymeric solutions (c = 500 ppm) reveal tumbles (arrows) via sudden drops in. The cell in buffer swims at a lower velocity and tumbles more frequently compared to the cell in the polymer solution. (C) The mean cell velocity increases from 8.3 to 12.4 μm/s with increasing polymer concentration.

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