منابع مشابه
Weighted quartets phylogenetics.
Despite impressive technical and theoretical developments, reconstruction of phylogenetic trees for enormous quantities of molecular data is still a challenging task. A key tool in analyses of large data sets has been the construction of separate trees for subsets (e.g., quartets) of sequences, and subsequent combination of these subtrees into a single tree for the full set (i.e., supertree ana...
متن کاملCharacterizing weak compatibility in terms of weighted quartets
In phylogenetics there are various methods available for understanding the evolutionary history of a set of species based on the analysis of its 4-element subsets. Guided by biological data, such techniques usually require the initial computation of a quartet-weight function, i.e., a function that assigns a weight to each bipartition of each 4-element subset into two parts of size two, from whi...
متن کاملEncoding phylogenetic trees in terms of weighted quartets.
One of the main problems in phylogenetics is to develop systematic methods for constructing evolutionary or phylogenetic trees. For a set of species X, an edge-weighted phylogenetic X-tree or phylogenetic tree is a (graph theoretical) tree with leaf set X and no degree 2 vertices, together with a map assigning a non-negative length to each edge of the tree. Within phylogenetics, several methods...
متن کاملSupervision quartets.
Lovers of classical music may disagree about many things, but if you ask them to name the ideal musical form they will almost all say it is the string quartet. There are many reasons why the quartet has this revered place in the musical repertoire. The intimacy of the form allows composers to express profound ideas and emotions that are more diluted in their symphonies, concertos and operas. Pr...
متن کاملQNet: an agglomerative method for the construction of phylogenetic networks from weighted quartets.
We present QNet, a method for constructing split networks from weighted quartet trees. QNet can be viewed as a quartet analogue of the distance-based Neighbor-Net (NNet) method for network construction. Just as NNet, QNet works by agglomeratively computing a collection of circular weighted splits of the taxa set which is subsequently represented by a planar split network. To illustrate the appl...
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ژورنال
عنوان ژورنال: Systematic Biology
سال: 2014
ISSN: 1076-836X,1063-5157
DOI: 10.1093/sysbio/syu087