Skip to main content
. 2016 Nov 30;11(11):e0167335. doi: 10.1371/journal.pone.0167335

Fig 2. Biofilm formation assay.

Fig 2

Biofilm formation was evaluated by the crystal violet assay. (A), Screening for biofilm formation. H. influenzae ATCC 49247 and 2013–72 represented non-biofilm-forming bacteria. (B), Biofilm formation with or without OdiE. The upper panel shows a photograph of each well after adding 95% ethanol. Each experiment was performed three times on separate occasions, and the data are shown as the mean ± SD. P values were calculated by the Student's t-test. Dotted line shows the cutoff value for biofilm formation in this study.