Additional file 1.

Figure S1. The final assembled "guide" tree used to direct the profile alignments across Asterales. Each "terminal" represents the name of the name of the 180-alignment files output from our saturation analysis. We assembled a "guide" tree representing the relationships among the alignment files by compiling and grafting together published phylogenies. This guide tree was then traversed in a post-order manner, performing each profile-to-profile alignment working recursively back to the root.

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Smith et al. BMC Evolutionary Biology 2009 9:37   doi:10.1186/1471-2148-9-37