Figure 1From: The collapse of gene complement following whole genome duplicationParameters of genome collapse. (A) Locating WGD events on eukaryotic phylogeny. The WGD events (shown as colored dots) are assigned the following dates: 20, 50, 70, 150, 350, 450 Mya for Paramecium, Arabidopsis, Populous, yeast, teleosts, and higher vertebrates. (B) Proportion of duplicate pairs reduced, c = 2m/(n + m), where m is the number of single-copy genes deriving from reduced pairs and n is the total number of genes in the genome. (C) "Halving" distance; minimum number of genome rearrangements d necessary to a convert any inferred ancestral tetraploid to present-day genome, normalized, D = 2d/(n - m). (D) Number of analytical units (AU). (E) Parameter of geometric distribution fitted to distribution of AU lengths m > 0. In all these figures, multiple descendants of single WGD events (shown as vertically aligned same-color dots) have similar parameters, indicating a conserved gene-loss dynamic across these descendants.Back to article page