Fig. 4From: Halogenated indoles eradicate bacterial persister cells and biofilmsSubstituted indoles reduce the biofilm formation of E. coli and S. aureus. Escherichia coli K-12 BW25113 (a), S. aureus (MSSA) 6538 (b), and P. aeruginosa (c) biofilm formation was quantified after culturing with indoles for 24 h in 96-well plates. Error bars indicate SDs. For confocal laser microscope analysis, biofilm formation by E. coli K-12 BW25113 (d) and S. aureus (MSSA) 6538 (e) was observed in 96-well plates in the presence and absence of 5-iodoindole. The scale bars represent 100 μm. The experiment was performed in triplicateBack to article page