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Motile suppressors of the TS PomA mutants. Shown are swarms of NMB190 cells expressing no PomA (vector), wild-type PomA (WT), AAQQQ+L131F PomA, or the suppressor mutants (TS PomA-V142I, TS PomA-A150T, TS PomA-A70V, or TS PomA-A62V). The plasmids were extracted from the revertant cells and reintroduced into the pomA mutant (NMB190), and single colonies were inoculated into a semisolid agar plate. The cells were grown at 37°C for 2.5 h.
