Molecular phylogenetic tree of the GAT group members of vertebrates and invertebrates constructed by Bayesian method.

The posterior probabilities are shown on the top left part of a branch. The scale bar represents a phylogenetic distance of 0.1 substitutions per site. B. septemdierum GAT-1 (BsGAT1) and E. superba GAT-1 (EsGAT1) are shown in red and their TAUTs are shown in blue.