Treevolution: visual analysis of phylogenetic trees
نویسندگان
چکیده
منابع مشابه
Treevolution: visual analysis of phylogenetic trees
SUMMARY Treevolution is a tool for the representation and exploration of phylogenetic trees that facilitates visual analysis. There are several useful tools to visualize phylogenetic trees, but their level of interaction is usually low, especially in the case of radial representations. Highly interactive visualizations can improve the exploration and understanding of phylogenetic trees. Treevol...
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MOTIVATION Phylogenetics, or reconstructing the evolutionary relationships of organisms, is critical for understanding evolution. A large number of heuristic algorithms for phylogenetics have been developed, some of which enable estimates of trees with tens of thousands of taxa. Such trees may not be robust, as small changes in the input data can cause major differences in the optimal topology....
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We give an overview of phylogenetic invariants: a technique for reconstructing evolutionary family trees from DNA sequence data. This method is useful in practice and is based on a number of simple ideas from elementary group theory, probability, linear algebra, and commutative algebra.
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Discrete Fourier transformations (DFTs) provide a useful tool to assign a phylogenetic tree (PGT) to an observed frequency of nucleotide patterns in DNA sequences of species. The advantage of this sort of spectral analysis is that it allows global correction for multi-substitution processes [1]. SPECTRAL ANALYSIS OF PGTS Two spectras characterize a PGT, the probability spectrum p(T), and the ex...
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SUMMARY Continuous-time Markov chain models with finite state space are routinely used for analysis of discrete character data on phylogenetic trees. Examples of such discrete character data include restriction sites, gene family presence/absence, intron presence/absence and gene family size data. While models with constrained substitution rate matrices have been used to good effect, more biolo...
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ژورنال
عنوان ژورنال: Bioinformatics
سال: 2009
ISSN: 1367-4803,1460-2059
DOI: 10.1093/bioinformatics/btp333