Research Article

Origins and Evolution of WUSCHEL-Related Homeobox Protein Family in Plant Kingdom

Figure 5

Phylogenetic tree of WOX family and motif analysis in model plants. (a) The phylogenetic tree (NJ) was constructed by MAGE 4 (Kumar et al., 2004) using 56 sequences from green algae (Micromonas, Ostreococcus tauri, and Ostreococcus lucimarinus), Physcomitrella patens (Ppa), Selaginella moellendorffii (Smo), Pinus taeda (Pta), Oryza sativa (Os), and Arabidopsis thaliana (At). WUS clade, intermediate clade, and ancient clade are color-coded green, orange, and blue, respectively. The WUS clade contains members only from angiosperms; the intermediate clade contains members only from vascular plants; the ancient clade contains members from lower plants to higher plants. (b) The conserved motifs among the members are highlighted in colored boxes with an arranged number and the sequences of the motifs are listed in Supplementary Table 3.
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