Fig. 6

Distribution of protein families among CPR bacteria from different habitats. The heatmap shows the presence (blue) and absence (white) of protein families with 5 or more members. Protein families (columns) are hierarchically clustered based on Euclidean distance. CPR bacteria (rows) are arranged based on the phylogenomic tree. Taxonomic affiliation and environmental habitats distribution are aligned to the left of the heatmap