Fast computation of the exact hybridization number of two phylogenetic trees

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25 Scopus citations

Abstract

Hybridization is a reticulate evolutionary process. An established problem on hybridization is computing the minimum number of hybridization events, called the hybridization number, needed in the evolutionary history of two phylogenetic trees. This problem is known to be NP-hard. In this paper, we present a new practical method to compute the exact hybridization number. Our approach is based on an integer linear programming formulation. Simulation results on biological and simulated datasets show that our method (as implemented in program SPRDist) is more efficient and robust than an existing method.

Original languageEnglish
Title of host publicationBioinformatics Research and Applications - 6th International Symposium, ISBRA 2010, Proceedings
Pages203-214
Number of pages12
DOIs
StatePublished - 2010
Externally publishedYes
Event6th International Symposium on Bioinformatics Research and Applications, ISBRA 2010 - Storrs, CT, United States
Duration: 23 May 201026 May 2010

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume6053 LNBI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference6th International Symposium on Bioinformatics Research and Applications, ISBRA 2010
Country/TerritoryUnited States
CityStorrs, CT
Period23/05/1026/05/10

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