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PCR-DGGE analysis of microbial profiles obtained from biofilm and planktonic portion of the co-culture of salivary bacteria (S-mix) and P. aeruginosa (Pa) after 24 hours’ co-incubation. S-mix/Pa indicates co-culture of S-mix and Pa. The arrows indicate the DNA bands corresponding to P. aeruginosa. Two biological replicates were performed and a representative gel image is shown.
