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Single-cell tracking of A. tumefaciens strains. Two-dimensional swimming trajectories in fluid for the different strains are shown. (A) Δche, (B) wild-type, (C) class I (flgE), (D) class II (fliK), and (E) class III (motA). The starts and ends of tracks are denoted by arrows and dots, respectively. The duration of each track is shown. See also Mohari et al. (6) for other representative trajectories. To see this figure in color, go online.
