QNet: An agglomerative method for the construction of phylogenetic networks from weighted quarters

Grünewald, Stefan, Forslund, Kristoffer, Dress, Andreas and Moulton, Vincent (2007) QNet: An agglomerative method for the construction of phylogenetic networks from weighted quarters. Molecular Biology and Evolution, 24 (2). pp. 532-538. ISSN 0737-4038

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Abstract

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.

Item Type: Article
Faculty \ School: Faculty of Science > School of Computing Sciences
Related URLs:
Depositing User: Vishal Gautam
Date Deposited: 16 May 2011 17:27
Last Modified: 21 Apr 2020 19:24
URI: https://ueaeprints.uea.ac.uk/id/eprint/23283
DOI: 10.1093/molbev/msl180

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