Phylogenetic networks from multi-labelled trees |
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Authors: | KT Huber V Moulton |
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Institution: | (1) School of Computing Sciences, University of East Anglia, Norwich, NR4 7TJ, UK |
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Abstract: | It is now quite well accepted that the evolutionary past of certain species is better represented by phylogenetic networks
as opposed to trees. For example, polyploids are typically thought to have resulted through hybridization and duplication,
processes that are probably not best represented as bifurcating speciation events. Based on the knowledge of a multi-labelled
tree relating collection of polyploids, we present a canonical construction of a phylogenetic network that exhibits the tree.
In addition, we prove that the resulting network is in some well-defined sense a minimal network having this property. |
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Keywords: | Phylogenetic network Multi-labelled tree Multigraph Hybridization Polyploidy |
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