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Figure 2 | BMC Evolutionary Biology

Figure 2

From: Impact of duplicate gene copies on phylogenetic analysis and divergence time estimates in butterflies

Figure 2

Topologies obtained from Bayesian analyses of combined and individual gene data. Numbers above and below branches represent clade support as posterior probabilities. Nodes with posterior probabilities below 0.5 are showed as polytomies. Branch lengths are shown as average substitutions per site. (A) An identical topology was obtained using the slower evolving copies of duplicated genes with numbers corresponding to posterior probabilities obtained from the all opsins/all nuclear/all genes datasets respectively. Only one support value is shown for clades in which all three data sets result in the same value. Traditional butterfly families are represented by the following colors: Papilionidae (green), Pieridae (yellow), Nymphalidae (red), Riodinidae (purple) and Lycaenidae (blue). (B-F) Bayesian topologies obtained for individual genes: (B) UVRh, (C) BRh, (D) LWRh, (E) EF-1α, (F) COI. Satyrium behrii is marked light green in the BRh gene tree to show how the two gene copies group with different lycaenid subfamilies. The six duplication events that generated the duplicated genes included in this study are indicated by black arrows.

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