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. 2010 May;59(Pt 5):511–520. doi: 10.1099/jmm.0.017715-0

Fig. 5.

Fig. 5.

Relationship between swarming, protease activity and type 3 secretion. (a) Swarming is positively correlated with in vitro protease activity (P <0.001, Kruskal–Wallis). (b) Isolates with the largest swarming zones secrete more PopD than isolates with decreased or absent swarming in an in vitro assay for T3SS (P <0.001, Kruskal–Wallis). (c) Isolates that secrete the highest amount of PopD display more active protease activity (P=0.06, Kruskal–Wallis). The median is shown for each group of isolates; values are expressed as percentages of the PA103 control.