FIG. 4.

Motility of selected transposon mutants on 0.4% agar plates. The motility of selected transposon mutants was assayed on MH plates containing 0.4% agar. The diameters of the zones of motility were recorded after 24 h of incubation at 37°C in a microaerophilic workstation and are expressed as the percent motility relative to the motility of NCTC 11168 (considered to be 100%). Values reported are percent motility ± standard errors of the means and represent a minimum of three independent experiments, each performed in technical duplicate.