Figure 5

Pan-genome tree for medoide genomes. This pan-genome tree was constructed using unscaled and unweighted Manhattan distances between the medoide genomes after partitioning all genomes into 19 groups (see the text for details). A medoide is the ‘central’ genome in the group. The number of genomes in each group is shown in the parenthesis behind each name. The colors indicate the dominating environment in each group, see Figure 4 for color-code. The gray are mixes without any dominating environment.