The implications of incongruence between gene tree and species tree topologies for divergence time estimation

Tom Carruthers, Miao Sun, William Baker, Stephen Smith, Jurriaan De Vos & Wolf Eiserhardt
Phylogenetic analyses are increasingly being performed with datasets that incorporate hundreds of loci. Due to incomplete lineage sorting, hybridization, and horizontal gene transfer, the gene trees for these loci may often have topologies that differ from each other and from the species tree. The effect of these topological incongruences on divergence time estimation has not been fully investigated. Using a series of simulation experiments and empirical analyses, we demonstrate that when topological incongruence between gene...
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