title: Positive selection along the evolution of primate mitogenomes.
abstract: The mitochondrial genomes of four neotropical primates, Aotus infulatus, Chiropotes israelita, Callimico goeldii and Callicebus lugens were sequenced and annotated. Phylogenetic reconstructions with mitochondrial genes of other 66 primates showed a similar arrangement to a topology based on nuclear genes. Screening for positive selection identified 15 codons in 7 genes along 9 independent lineages, three with two or more genes and five in internal nodes, ruling out false positive estimates. Mitochondrial genes of the electron transport chain (ETC.) complexes evolved with high substitution rates. A study of nuclear ETC. genes might elucidate whether they co-evolved with their mitochondrial counterparts.
authors.affiliation: Genetics Division, Instituto Nacional de Câncer, Rio de Janeiro, Brazil. Electronic address: albertmenezes@me.com.
authors.forename: Albert N
authors.initials: AN
authors.lastname: Menezes
authors.forename: Maria Carolina
authors.initials: MC
authors.lastname: Viana
authors.forename: Carolina
authors.initials: C
authors.lastname: Furtado
authors.forename: Carlos G
authors.initials: CG
authors.lastname: Schrago
authors.forename: Héctor N
authors.initials: HN
authors.lastname: Seuánez
mesh_terms: D000818:Animals; D019143:Evolution, Molecular; D054629:Genome, Mitochondrial; D006801:Humans; D010802:Phylogeny; D011323:Primates / Q000235:genetics*; D012641:Selection, Genetic
keywords: Positive selection; Primates; mtDNA