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. 2017 Apr 24;12(4):e0174704. doi: 10.1371/journal.pone.0174704

Fig 3. The role of CreBC TCS in the swimming motility.

Fig 3

Two microliters of bacterial cell suspension was inoculated onto the swimming agar (1% tryptone, 0.5% NaCl, and 0.15% agar). Results were expressed as diameters (millimetres) of swimming zones after 48 h of incubation at 37°C. Data represent the means from 3 independent experiments. Error bars represent the standard deviations for three triplicate samples. *, p < 0.01; **, p < 0.001. (A) The swimming motility of creB, creC, creBC, and creBCD mutants. (B) The swimming motility of creBC mutant and its derived complementation strains. Tetracycline of 30 μg/ml was added for the plasmid maintenance.