Motility of environmental strains of <i>V</i>. <i>cholerae</i> and other members of the family Vibrionaceae.

<p>The motility responses of: A) environmental strains of <i>V</i>. <i>cholerae</i> B) <i>V</i>. <i>parahaemolyticus</i> (red, clinical; blue, environmental) C) <i>V</i>. <i>vulnificus</i> (red, clinical; blue, environmental) D) <i>V</i>. <i>fischeri</i> (red, squid isolate; blue, fish isolate) were tested on soft agar plates containing glycerol, or glycerol supplemented with mucin, Neu5Ac or GlcNAc. Columns represent the mean of four independent experiments and error bars the standard deviation. Statistical comparisons in A were made using one-way ANOVA and comparing diameters of the environmental strains relative to N16961 using Tukey’s HSD test; bars within a panel with the same letter are not significantly different at alpha = 0.05. Bars with the letter a are significantly different from b and c at P < 0.0001. Furthermore, b and c are also significantly different from each other with a P < 0.0001. Statistical comparisons for B, C, and D were made using the student’s <i>t</i>-test and comparing diameters of environmental isolates relative to clinical isolates (B and C) or fish isolate relative to squid isolate (D). *<i>P</i> < 0.1, **<i>P</i> < 0.01, ***<i>P</i> < 0.001.