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Fig. 1 | BMC Microbiology

Fig. 1

From: Acid tolerance in early colonizers of oral biofilms

Fig. 1

Comparison of the acid tolerance of different streptococcal (a) and Actinomyces (b) strains in planktonic culture and biofilms on uncoated surfaces. Acid tolerance was evaluated after an acid challenge (pH 3.5) followed by LIVE/DEAD® BacLight™ staining and CLSM, and expressed as % viability. The graphs show the mean and standard deviation of three independent biological replicates. *P < 0.05, **P < 0.001

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