Figure 1.

Evolutionary relationships between analyzed species. The JTT matrix-based method [61] is used to compute the evolutionary distances and the phylogenetic tree is constructed using the Neighbor-Joining method [62]. Bootstrapping values from 500 replicates are shown and selected taxon information is depicted on the right. Species abbreviations are as follows: AQ: Amphimedon queenslandica (sponge), DM: Drosophila melanogaster (fruit fly), HM: Hydra magnipapillata (hydra), HS: Homo sapiens (human), NV: Nematostella vectensis (sea anemone), SP: Strongylocentrotus purpuratus (sea urchin).

Ryu et al. BMC Evolutionary Biology 2012 12:236   doi:10.1186/1471-2148-12-236
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