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Changes in swim motility of wild-type and mutant strains in LNNS medium. Y. enterocolitica was grown in LNNS semisolid plates supplemented with 0.6 g/L L-arabinose at 26°C. Swim diameters were measured after 48 h of incubation. The data are presented as the mean ± SD of at least three independent experiments. An asterisk indicates a significant difference with ***P < 0.001, **P < 0.01.
