Schematic comparison of the genetic organization of the CPS biosynthesis clusters in strains from different serotypes. Among the serotype 2 strains, only S. suis SC84 is chosen for comparison, as the organization of the cps clusters among strains of this serotype is similar. The genomes of strains ST1 and D12 are inverted to provide a clear view, and the cps clusters included in them are on the negative strand. The comparison is shown using MAUVE. Annotated ORFs are indicated by outlined boxes.