Hybrids in Real Time
Open Access
- 1 February 2006
- journal article
- Published by Oxford University Press (OUP) in Systematic Biology
- Vol. 55 (1) , 46-56
- https://doi.org/10.1080/10635150500431197
Abstract
We describe some new and recent results that allow for the analysis and representation of reticulate evolution by nontree networks. In particular, we (1) present a simple result to show that, despite the presence of reticulation, there is always a well-defined underlying tree that corresponds to those parts of life that do not have a history of reticulation; (2) describe and apply new theory for determining the smallest number of hybridization events required to explain conflicting gene trees; and (3) present a new algorithm to determine whether an arbitrary rooted network can be realized by contemporaneous reticulation events. We illustrate these results with examples.Keywords
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