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—Two evolutionary scenarios for Ska-C and Dam1-C. Pruned species phylogeny of the eukaryotes in figure 1. Depicted are the “both in LECA” (A) and “HGT of Dam1-C” (B) scenarios, including invention (solid arrows), HGT (dashed arrows), conservation and loss of Ska-C and Dam1-C. Recent, lineage-specific losses are not shown.
