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Effects of DPP and gingipain gene disruptions on cell growth. P. gingivalis ATCC 33277 wild-type (gray circle), NDP212 (Δdpp4-5-7-11, red circle), and KDP136 (gingipain-null, square) were grown at 35 °C, and absorbance at 595 nm was monitored. Values are shown as the mean ± S.D. (n = 3).
