Polyphenol-Rich Extract from Propolis Reduces the Expression and Activity of Streptococcus mutans Glucosyltransferases at Subinhibitory Concentrations

Figure 2

Effect of polyphenol-rich extract from propolis on the expression of regulatory genes involved in S. mutans virulence mechanisms. (a) VicK; (b) VicR; (c) CcpA. Statistical significance was determined by ANOVA and Dunnett’s multiple comparison test using nontreated cells as control. .

(a)  

(b)

(c)