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Fig. 2 | BMC Microbiology

Fig. 2

From: PgFur participates differentially in expression of virulence factors in more virulent A7436 and less virulent ATCC 33277 Porphyromonas gingivalis strains

Fig. 2

Phenotypic characterization of P. gingivalis pgfur mutant strains. a, b P. gingivalis wild-type (A7436 and ATCC 33277) and pgfur mutant (TO6 and TO16) strains were grown in liquid medium. Bacterial cultures were started at OD600 ~ 0.2 and the growth in basal medium supplemented with 7.7 μM hemin (Hm) or 160 μM dipyridyl (DIP) was monitored by measuring optical density at 600 nm at the indicated time points. c, d Growth of P. gingivalis wild-type (A7436 and ATCC 33277) and pgfur mutant (TO6 and TO16) strains on blood agar plates. Hemolysis (c) and colony color and shape (d) were visually observed for up to 10 days and pictures taken after 3 (c) and 5 (d) days, respectively are shown. Representative data out of 3 independent experiments performed in triplicate with a similar tendency are shown

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