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Macroscopic observations of swarming in WT R. etli (A and B), cinI (C and D), and cinR mutant (E and F). Swarming of the WT strain (B), cinI (D), and cinR (F) in the presence of a constitutively induced, plasmid-borne cinI is shown (strains labeled with +). Diameter of the swarm plate is 6 cm. + corresponds to swarming; − corresponds to a negative swarming phenotype.
