Unrooted phylogenetic tree was constructed using the coding sequences of the GmGER genes and those of different plant species. Bootstrap values were placed at the nodes and the scale bar corresponded to 0.1 estimated nucleic acid substitutions per site. Five major classes (I to V) were shown.
Lu et al. BMC Genomics 2010 11:620 doi:10.1186/1471-2164-11-620