Fig. 2From: Lactobacillus salivarius and L. gasseri down-regulate Aggregatibacter actinomycetemcomitans exotoxins expressionEffect of lactobacilli cell-free culture supernatants on LtxA expression in A. actinomycetemcominats OMZ295 and OMZ250b, measured by qRT-PCR. *,**Statistically significant differences (P < 0.05), compared to the untreated A. actinomycetemcomitans OMZ295 and OMZ250b controls, respectively, at the corresponding time-pointsBack to article page