Figure 3From: Comparative genomics of Thermus thermophilus and Deinococcus radiodurans: divergent routes of adaptation to thermophily and radiation resistanceGene content tree constructed for 66 species included in the COG database on the basis of the patterns of presence-absence in the COGs. The Thermus-Deinococcus clade is marked by bold type. Black, bacteria; yellow, archaea; blue, eukaryotes.Back to article page