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Bioinformatics Vol. 17 no. 7 2001
Pages 664-668
© 2001 Oxford University Press

Applications Note

T-REX: reconstructing and visualizing phylogenetic trees and reticulation networks

Vladimir Makarenkov

Département de Sciences Biologiques, Universitéde Montréal, CP 6128, succ. Centre-ville, Montréal, Québec H3C 3J7, Canada
Institute of Control Sciences, 65 Profsoyuznaya, Moscow 117806, Russia

Received on January 10, 2001 ; accepted on April 3, 2001

Summary: T-REX (tree and reticulogram reconstruction) is an application to reconstruct phylogenetic trees and reticulation networks from distance matrices. The application includes a number of tree fitting methods like NJ, UNJ or ADDTREE which have been very popular in phylogenetic analysis. At the same time, the software comprises several new methods of phylogenetic analysis such as: tree reconstruction using weights, tree inference from incomplete distance matrices or modeling a reticulation network for a collection of objects or species. T-REX also allows the user to visualize obtained tree or network structures using Hierarchical, Radial or Axial types of tree drawing and manipulate them interactively.

Availability: T-REX is a freeware package available online at: http://www.fas.umontreal.ca/biol/casgrain/en/labo/t-rex

Contact: makarenv{at}magellan.umontreal.ca or casgrain{at}magellan.umontreal.ca


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