Tomato v. potato

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SynMap syntenic dotplot of tomato (x-axis) v. potato (y-axis) with Ks colors for syntenic gene pairs. Results may be regenerated:
Ks histogram of syntenic gene pairs identified between potato and tomato. Results may be regenerated:

Purple in both the dotplot and histogram are orthologous gene pairs. Green from their shared most recent polyploidy event, red from a more ancient polyploidy event. For the most recent polyploidy event (green), there is a strong signal for a duplication (tetraploidy) with a few regions show a triplication (hexaploidy; chromosome 7 potato).