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Gene synteny across five grass species (a random set of 1400 ortholog groups are shown). Si: Setaria italica; Os: Oryza sativa (rice), Bd: Brachypodium distachyon; Sb: Sorghum bicolor (sorghum); Zm: Zea mays (maize). Each colored segment represents one chromosome in one species, and the blue lines between species denote position of a pair of syntenic orthologs. Genome lengths of all species are normalized to be equal to each other.
