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Representative images of (A) TLC coupled to AHL bioassay of concentrated supernatants of P. aeruginosa MPAO1, MPAO1 pMEPlac::aiiA, and MPAO1 pME6000. Blue spots correspond to AHL molecules. (B) Swarming motility in BM2 0.5% agar medium plates of S. maltophilia E77 supplemented with 10 μl of the same concentrated supernatants (SN) and incubated at 30°C for 5 days.
