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. 2019 Mar 5;10:422. doi: 10.3389/fmicb.2019.00422

FIGURE 2.

FIGURE 2

Wild-type, ΔldhA, and ΔldhA/ldhA biofilms visualized by confocal microscopy. Wild-type, ΔldhA, and ΔldhA/ldhA bacteria were resuspended to OD600 of 0.05 and grown under static conditions at 37°C and 5% CO2 for 24 h on glass coverslips. After washing two times with PBS the samples were fixed with 2% formaldehyde and stained with DAPI.