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RscS-mediated wrinkled-colony morphology in RR mutants. Wild-type (WT) and RR mutant strains of V. fischeri carrying either pKG11 or a vector control were streaked onto solid, complex medium (LBS with 0.3% glycerol and Tc) and allowed to grow for 3 days at room temperature. Photographs of individual colonies (top row) and also the heavy part of the streak (bottom row) were taken. Photographs are representative of at least three independent platings.
