Phylogenetic relationships among Group I GSK3 genes. Upper left insert indicates the position of the depicted phylogeny relative to the overall land plant GSK3 gene tree depicted in Figure 1. Stars correspond to postulated whole-genome duplication events numbered in Table 1. Bootstrap support values are provided adjacent to nodes.
Qi et al. BMC Evolutionary Biology 2013 13:143 doi:10.1186/1471-2148-13-143