RAD-seq derived genome-wide nuclear markers resolve the phylogeny of tunas

Natalia Díaz-Arce, Haritz Arrizabalaga, Hilario Murua, Xabier Irigoien, Naiara Rodríguez-Ezpeleta

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Although species from the genus Thunnus include some of the most commercially important and most severely overexploited fishes, the phylogeny of this genus is still unresolved, hampering evolutionary and traceability studies that could help improve conservation and management strategies for these species. Previous attempts based on mitochondrial and nuclear markers were unsuccessful in inferring a congruent and reliable phylogeny, probably due to mitochondrial introgression events and lack of enough phylogenetically informative markers. Here we infer the first genome-wide nuclear marker-based phylogeny of tunas using restriction site associated DNA sequencing (RAD-seq) data. Our results, derived from phylogenomic inferences obtained from 128 nucleotide matrices constructed using alternative data assembly procedures, support a single Thunnus evolutionary history that challenges previous assumptions based on morphological and molecular data.
Original languageEnglish (US)
Pages (from-to)202-207
Number of pages6
JournalMolecular Phylogenetics and Evolution
Volume102
DOIs
StatePublished - Jun 7 2016

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Molecular Biology

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