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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Mol Oral Microbiol. 2012 Mar 28;27(3):202–219. doi: 10.1111/j.2041-1014.2012.00643.x

Fig. 6. Role of SigH in survival of P. gingivalis with host cells.

Fig. 6

Fig. 6

P. gingivalis wild type (W83) and SigH-deficient mutant (V2948) strains were incubated for 30 min with HN4 cells. Total bacteria (extracellular and intracellular) (Panel A) or intracellular bacteria (Panel B) recovered from host cells were plated on blood agar plates and incubated for 7 days anaerobically. The number of colony forming units/ml (number of colonies on blood plates) from the host-bacteria mixture is shown. Mean and error bars indicating standard deviations from triplicate samples are shown.