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Swarming motility. B. cenocepacia K56-2 wild type and derivative mutants (A) and ΔatsR ΔcepI mutant complemented by the integration of atsR, atsR-H245A, and atsRΔRD at the chromosomal level (B) were tested for swarming motility. The plates are representatives of at least three experiments performed in triplicate. The extent of the swarm zone was measured, and error bars represent the S.D. (C).
