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Gliding in growth and artificial media. (a) Gliding speed of motile cells. Only cells moving at speeds greater than 0.25 μm/s are considered. Error bars represent one standard deviation. (b) Percentage of cells moving at speeds greater than 0.25 μm/s. Symbols: ▪, growth medium; ♦, PBS-K/G; ▴, PBS/G; •, PBS.
