FIGURE 2.

OrthoVenn analysis on the distribution of orthologous protein clusters of predicted protein sequences. Top part shows the cluster and protein counts in different sections of the Venn diagram, which shows the number of protein clusters. Percentages in the shared regions of Venn diagram between the hybrid and parents are calculated based on the total clusters in the hybrid; the percentages in the non-shared sections are based on respective species. The table on the lower right summarizes the numbers of proteins, clusters, and singletons in each species. Singletons are protein sequences that do not form any cluster with other sequences and are shown with percentages out of total number of protein sequences in the respective species. The charts on the lower right show the size of protein clusters in each species and the cumulative numbers of shared elements based on the Venn diagram. amp: N. ampullaria; raf: N. rafflesiana; hook: N. × hookeriana.