Fig. 5From: The effects of removing dead bacteria by propidium monoazide on the profile of salivary microbiomeDifferences of OTUs among the three age groups. Scatter diagrams and histograms showed differences at the OUT level between every two age groups of Group C (A) and P (B). Red dots in the scatter diagrams indicated that the relative abundance of these OTUs were significantly different between the two groups, while the percent abundance of these OTUs were showed in the histogramsBack to article page