Figure 1
Flow chart of the 98,988 homologous gene clusters of the oomycetes and diatoms, selectively subgrouped into 2 major groups, 6 oomycete genera and 7 Pythium species. The ‘Core’ boxes (green) represent the shared gene clusters, identified in all major groups (assigned as Core 1), all oomycete genera (Core 2) and all Pythium species (Core 3). The ‘Variable’ boxes (blue) contain non-Core gene clusters, that is, Variable 1 (major groups), Variable 2 (oomycete genera) and Variable 3 (Pythium species). The ‘Unspecific’ boxes (orange) represent the gene clusters identified in at least two, if not all, major groups (assigned as Unspecific 1), oomycete genera (Unspecific 2) and Pythium species (Unspecific 3). The gene clusters (those specific to a particular major group, genus or species) are grouped together in the white boxes.
