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Fig. 2 | BMC Microbiology

Fig. 2

From: Differences in survival, virulence and biofilm formation between sialidase-deficient and W83 wild-type Porphyromonas gingivalis strains under stressful environmental conditions

Fig. 2

TEM images of P. gingivalis the W83 and ΔPG0352 strains cultured under varying pH values (a), temperatures (b) and oxidative stress conditions (c). Magnification: 70,000×; bar: 500 nm. (d) Survival rates of both strains cultured under oxidative stress; versus the P. gingivalis W83 strain grown under normal culture conditions, P < 0.05; versus the ΔPG0352 mutant grown under normal culture conditions, P < 0.05; # versus the P. gingivalis W83 strain under the same culture conditions, P < 0.05

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