Phylogenetic analysis of colombian populations of the genus Tamandua (Pilosa: Myrmecophagidae)
DOI:
https://doi.org/10.17533/udea.acbi/v47n122a05Keywords:
Hybridization, Intermediate phenotype, Mitochondrial markers, Tamandua mexicana, Tamandua tetradactylaAbstract
The genus Tamandua is made up of two species of anteaters, both with distribution in Colombia; Tamandua mexicana in the trans-Andean region and Tamandua tetradactyla in the Cisandina region, there being a sympatry zone in the center of the country, where individuals with intermediate phenotypes have been found, classified as Tamandua mexicana, despite not having the complete phenotype of this species. In this study, a genetic characterization of some individuals of the genus Tamandua was carried out, through a phylogenetic reconstruction by maximum likelihood and a Bayesian analysis, based on the mitochondrial markers Ribosomal RNA 16S (rRNA 16S), Cytochrome Oxidase I (COI), and the Hypervariable Region I of MitochondriaThe results show a genetic differentiation between the individuals of T. mexicana and T. tetradactyla, which supports the existence of two species for the genus, individuals with the intermediate phenotype do not show any tendency to form an isolated clade within the group of T. mexicana. These results are consistent with the current taxonomic classification of the genus, and do not support any further evolutionary process.
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