PhyloNet: a software package for analyzing and reconstructing reticulate evolutionary relationships |
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Authors: | Cuong Than Derek Ruths Luay Nakhleh |
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Institution: | (1) Department of Computer Science, Rice University, 6100 Main Street, MS 132 Houston, TX, USA |
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Abstract: | Background Phylogenies, i.e., the evolutionary histories of groups of taxa, play a major role in representing the interrelationships
among biological entities. Many software tools for reconstructing and evaluating such phylogenies have been proposed, almost
all of which assume the underlying evolutionary history to be a tree. While trees give a satisfactory first-order approximation
for many families of organisms, other families exhibit evolutionary mechanisms that cannot be represented by trees. Processes
such as horizontal gene transfer (HGT), hybrid speciation, and interspecific recombination, collectively referred to as reticulate evolutionary events, result in networks, rather than trees, of relationships. Various software tools have been recently developed to analyze reticulate evolutionary
relationships, which include SplitsTree4, LatTrans, EEEP, HorizStory, and T-REX. |
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