Figure 2. Phylogenetic analysis of citrus and other plant Sus homologs.

The phylogenetic tree was constructed by the MEGA 4.0 program with the neighbor-joining method. Sus accession numbers are listed in Table S2. The black triangle shows the position of six citrus Sus isoforms. The white triangle shows the position of three c. unshiu Sus isoforms reported by Komatsu et al. [20].