Neotomine-peromyscine rodent systematics based on combined analyses of nuclear and mitochondrial DNA sequences

Serena A. Reeder, Darin S. Carroll, Cody W. Edwards, C. William Kilpatrick, Robert D. Bradley

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22 Scopus citations


Recently, sequences from two nuclear genes (exon 6 of the dentin matrix protein 1 gene and intron 7 of the β-fibrinogen gene) and one mitochondrial gene (cytochrome b gene) were used independently in an attempt to resolve phylogenetic relationships within the neotomine-peromyscine complex. Although these studies provided testable hypotheses regarding this group of rodents, the affinities of certain tribes and genera remain uncertain. To elucidate these relationships, the three data partitions were tested for heterogeneity and then concatenated according to conditional data combination and total evidence approaches. Support was found for five clades, four of which correspond to well recognized tribes (the Neotomini, Peromyscini = Reithrodontomyini, Baiomyini, and Tylomyini). Recommendations are made regarding the recognition of Ochrotomys as a tribe of its own, the Ochrotomyini, paralleling other recent findings. The Peromyscini, Baiomyini, and Ochrotomyini are unresolved in relation to each other, but as a whole are sister to the Neotomini. The Tylomyini is basal to all clades. It appears that combined data from the nuclear and mitochondrial genes (analyzing all three partitions simultaneously) resulted in the best phylogenetic hypothesis regarding the complex.

Original languageEnglish
Pages (from-to)251-258
Number of pages8
JournalMolecular Phylogenetics and Evolution
Issue number1
StatePublished - Jul 2006


  • Combined data
  • Neotominae
  • Neotomine
  • Peromyscine
  • Rodent systematics
  • Sigmodontinae


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