Molecular phylogeny of the Drosophila tripunctata and closely related species groups (Diptera: Drosophilidae).

Luciane Mendes Hatadani, James O McInerney, Hermes Fonseca de Medeiros, Ana Carolina Martins Junqueira, Ana Maria de Azeredo-Espin, Louis Bernard Klaczko

Departamento de Genética e Evolução, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), P.O. Box 6109, Campinas, SP 13083-970, Brazil.

Journal Article: Molecular Phylogenetics and Evolution (impact factor: 3.56). 04/2009; DOI: 10.1016/j.ympev.2009.02.022

Abstract

We suggest a new phylogenetic hypothesis for the tripunctata radiation based on sequences of mitochondrial genes. Phylogenetic trees were reconstructed by parsimony, maximum likelihood and Bayesian methods. We performed tests for hypotheses of monophyly for taxonomic groups and other specific hypotheses. Results reject the monophyly for the tripunctata group whereas monophyly is not rejected for the tripunctata radiation and other specific groups within the radiation. Although most of the basal nodes were unresolved we were able to identify four clusters within the tripunctata radiation. These results suggest the collection of additional data before a proper taxonomic revision could be proposed.

Source: PubMed

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Keywords

additional data
 
maximum likelihood
 
mitochondrial genes
 
monophyly
 
new phylogenetic hypothesis
 
Phylogenetic trees
 
specific groups
 
specific hypotheses
 
taxonomic groups
 
tests
 
tripunctata group
 
tripunctata radiation