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. 2003 Mar;71(3):1170–1178. doi: 10.1128/IAI.71.3.1170-1178.2003

FIG. 5.

FIG. 5.

Sensitivity of P. gingivalis cells to hydrogen peroxide, mitomycin C, and metronidazole. P. gingivalis ATCC 33277 (wild type), KDP139 (ftn), KDP141 (dps), and KDP142 (ftn dps) were anaerobically grown in enriched BHI medium for 48 h. The cells were spread on enriched TS plates, and a paper disk containing hydrogen peroxide (A), mitomycin C (B), or metronidazole (C) was placed at the centers of the plates, followed by incubation at 37°C anaerobically for 7 days. The diameters of the clear zones next to the disks were measured (in millimeters). The data shown are the means and SD of triplicate experiments.