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Do Branch Lengths Help to Locate a Tree in a Phylogenetic Network?

Gambette, Philippe ; Van Iersel, Leo ; Kelk, Steven ; Pardi, Fabio ; Scornavacca, Celine

Bulletin of mathematical biology, September 2016, Vol.78(9), pp.1773-1795 [Tạp chí có phản biện]

E-ISSN: 1522-9602 ; PMID: 27659024 Version:1

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  • Nhan đề:
    Do Branch Lengths Help to Locate a Tree in a Phylogenetic Network?
  • Tác giả: Gambette, Philippe ; Van Iersel, Leo ; Kelk, Steven ; Pardi, Fabio ; Scornavacca, Celine
  • Chủ đề: Branch Lengths ; Computational Complexity ; Displayed Trees ; Phylogenetic Network ; Tree Containment ; Models, Genetic ; Phylogeny
  • Là 1 phần của: Bulletin of mathematical biology, September 2016, Vol.78(9), pp.1773-1795
  • Mô tả: Phylogenetic networks are increasingly used in evolutionary biology to represent the history of species that have undergone reticulate events such as horizontal gene transfer, hybrid speciation and recombination. One of the most fundamental questions that arise in this context is whether the evolution of a gene with one copy in all species can be explained by a given network. In mathematical terms, this is often translated in the following way: is a given phylogenetic tree contained in a given phylogenetic network? Recently this tree containment problem has been widely investigated from a computational perspective, but most studies have only focused on the topology of the phylogenies, ignoring a piece of information that, in the case of phylogenetic trees, is routinely inferred by evolutionary analyses: branch lengths. These measure the amount of change (e.g., nucleotide substitutions) that has occurred along each branch of the phylogeny. Here, we study a number of versions of the tree...
  • Ngôn ngữ: English
  • Số nhận dạng: E-ISSN: 1522-9602 ; PMID: 27659024 Version:1

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