Fig. 1. Domain analyses of WOX13 OG proteins. The evolutionary history was inferred from homeodomain sequences (Supplementary Fig. S1) using the neighbor-joining method.

The evolutionary distances were computed using the Poisson correction method and are expressed as the number of amino acid substitutions per site. Members of WOX1, WOX8 and WOX13 orthologous groups are connected by blue, red and green lines; respectively. Arabidopsis genes in each OG are represented by OG-specific colored characters. Os01g0818400/OsWOX13 is colored and boxed.