Figure 6From: Structural analysis of polarizing indels: an emerging consensus on the root of the tree of lifeSummary of data. Each circle corresponds to an argument presented above that excludes the root of the tree of life from a particular branch. The Archaea are placed with the Gram-positives, but drawn with a dashed line because we do not wish to argue which Gram-positive group was their ancestor at this time.Back to article page