Identifying Species Network Features from Gene Tree Quartets Under the Coalescent Model

Overview

Journal Bull Math Biol

Publisher Springer

Specialties Biology
Public Health

Date 2018 Aug 11

PMID 30094772

Citations 12

Authors

Hector Banos

Affiliations

Soon will be listed here.

Abstract

We show that many topological features of level-1 species networks are identifiable from the distribution of the gene tree quartets under the network multi-species coalescent model. In particular, every cycle of size at least 4 and every hybrid node in a cycle of size at least 5 are identifiable. This is a step toward justifying the inference of such networks which was recently implemented by Solís-Lemus and Ané. We show additionally how to compute quartet concordance factors for a network in terms of simpler networks, and explore some circumstances in which cycles of size 3 and hybrid nodes in 4-cycles can be detected.

Citing Articles

Leveraging graphical model techniques to study evolution on phylogenetic networks.

Teo B, Bastide P, Ane C Philos Trans R Soc Lond B Biol Sci. 2025; 380(1919):20230310.

PMID: 39976402 PMC: 11867149. DOI: 10.1098/rstb.2023.0310.

TINNiK: inference of the tree of blobs of a species network under the coalescent model.

Allman E, Banos H, Mitchell J, Rhodes J Algorithms Mol Biol. 2024; 19(1):23.

PMID: 39501362 PMC: 11539473. DOI: 10.1186/s13015-024-00266-2.

Identifiability of Level-1 Species Networks from Gene Tree Quartets.

Allman E, Banos H, Garrote-Lopez M, Rhodes J Bull Math Biol. 2024; 86(9):110.

PMID: 39052074 PMC: 11272829. DOI: 10.1007/s11538-024-01339-4.

TINNiK: Inference of the Tree of Blobs of a Species Network Under the Coalescent.

Allman E, Banos H, Mitchell J, Rhodes J bioRxiv. 2024; .

PMID: 38712257 PMC: 11071406. DOI: 10.1101/2024.04.20.590418.

Anomalous networks under the multispecies coalescent: theory and prevalence.

Ane C, Fogg J, Allman E, Banos H, Rhodes J J Math Biol. 2024; 88(3):29.

PMID: 38372830 DOI: 10.1007/s00285-024-02050-7.

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