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QNet :
QNet : an agglomerative method for the construction of phylogenetic networks from weighted quartets.
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Grünewald, Stefan (författare)
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- Forslund, Kristoffer (författare)
- Stockholms universitet,Institutionen för biokemi och biofysik,Stockholms Bioinformatikcentrum,Sonnhammer
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Dress, Andreas (författare)
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Moulton, Vincent (författare)
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(creator_code:org_t)
- 2007
- 2007
- Engelska.
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Ingår i: Mol Biol Evol. - 0737-4038. ; 24:2, s. 532-8
- Relaterad länk:
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http://www.ncbi.nlm....
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- 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 applicability of QNet, we apply it to a previously published Salmonella data set. We conclude that QNet can provide a useful alternative to NNet if distance data are not available or a character-based approach is preferred. Moreover, it can be used as an aid for determining when a quartet-based tree-building method may or may not be appropriate for a given data set. QNet is freely available for download.
Nyckelord
- Algorithms
- Least-Squares Analysis
- Models; Genetic
- Models; Statistical
- Phylogeny
- Salmonella/genetics
- Software
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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