Title |
SUNPLIN: Simulation with Uncertainty for Phylogenetic Investigations
|
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Published in |
BMC Bioinformatics, November 2013
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DOI | 10.1186/1471-2105-14-324 |
Pubmed ID | |
Authors |
Wellington S Martins, Welton C Carmo, Humberto J Longo, Thierson C Rosa, Thiago F Rangel |
Abstract |
Phylogenetic comparative analyses usually rely on a single consensus phylogenetic tree in order to study evolutionary processes. However, most phylogenetic trees are incomplete with regard to species sampling, which may critically compromise analyses. Some approaches have been proposed to integrate non-molecular phylogenetic information into incomplete molecular phylogenies. An expanded tree approach consists of adding missing species to random locations within their clade. The information contained in the topology of the resulting expanded trees can be captured by the pairwise phylogenetic distance between species and stored in a matrix for further statistical analysis. Thus, the random expansion and processing of multiple phylogenetic trees can be used to estimate the phylogenetic uncertainty through a simulation procedure. Because of the computational burden required, unless this procedure is efficiently implemented, the analyses are of limited applicability. |
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