Congruent Mammalian Trees from Mitochondrial and Nuclear Genes Using Bayesian Methods

Aurelio Reyes, Carmela Gissi, Francois Catzeflis, Eviatar Nevo, Graziano Pesole, Cecilia Saccone

Research output: Contribution to journalArticlepeer-review

Abstract

Analyses of mitochondrial and nuclear gene sequences have often produced different mammalian tree topologies, undermining confidence in the merit of molecular approaches with respect to "traditional" morphological classification. The recent sequencing of the complete mitochondrial genomes of two additional rodents (Spalax judaei and Jaculus jaculus) and one lagomorph (Ochotona princeps) has prompted us to reinvestigate the issue. Using Bayesian phylogenetics, we found phylogenetic relationships between mammalian species highly congruent with previous results based on nuclear genes. Our results show the existence of four primary lineages of placental mammals: Xenarthra, Afrotheria, Laurasiatheria, and Euarchontoglires. Relationships between and within these lineages strongly suggest that the gene trees may also be congruent with the underlying species phylogeny.

Original languageEnglish
Pages (from-to)397-403
Number of pages7
JournalMolecular Biology and Evolution
Volume21
Issue number2
DOIs
StatePublished - Feb 2004

Keywords

  • Glires
  • Phylogeny
  • Rodent monophyly
  • mtDNA

ASJC Scopus subject areas

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

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