Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex

Lineage delimitation is of extreme importance in evolutionary biology and constitutes an essential tool in basic and applied fields including conservation. We addressed the delimitation of two closely related species complexes of South American rodents of the genus Ctenomys (tuco-tucos), namely the...

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Autores principales: Caraballo, Diego Alfredo, Rossi, Maria Susana
Publicado: 2016
Materias:
Corrientes group
Ctenomys pearsoni
Mitochondrial phylogeny
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03279383_v23_n1_p39_Caraballo
http://hdl.handle.net/20.500.12110/paper_03279383_v23_n1_p39_Caraballo
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_03279383_v23_n1_p39_Caraballo
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spelling paper:paper_03279383_v23_n1_p39_Caraballo2025-07-30T18:10:49Z Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex Caraballo, Diego Alfredo Rossi, Maria Susana Corrientes group Ctenomys pearsoni Mitochondrial phylogeny Lineage delimitation is of extreme importance in evolutionary biology and constitutes an essential tool in basic and applied fields including conservation. We addressed the delimitation of two closely related species complexes of South American rodents of the genus Ctenomys (tuco-tucos), namely the C. pearsoni and Corrientes groups, whose relationships have been unclear or conflicting in previous phylogenetic studies. We performed a molecular phylogenetic analysis, increasing the number of representatives of each group and including sequences of three mitochondrial loci (the complete cytochrome b coding sequence, and partial regions of the cytochrome oxydase I gene and the D-loop of the control region). The trees obtained using Bayesian Inference and Maximum Parsimony methods show the Corrientes group and the C. pearsoni complex as reciprocally monophyletic sister clades, with higher values of intergroup compared to intragroup genetic distances. These results indicate that the Corrientes group and the C. pearsoni complex are differentiated lineages. The resulting tree topology is in agreement with a scenario of independent chromosomal rearrangements from the ancestral karyomorph (2n = 70 FN = 84), leading to the considerable chromosomal diversity that characterizes both groups. © SAREM, 2016. Fil:Caraballo, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Susana Rossi, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2016 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03279383_v23_n1_p39_Caraballo http://hdl.handle.net/20.500.12110/paper_03279383_v23_n1_p39_Caraballo
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Corrientes group
Ctenomys pearsoni
Mitochondrial phylogeny
spellingShingle Corrientes group
Ctenomys pearsoni
Mitochondrial phylogeny
Caraballo, Diego Alfredo
Rossi, Maria Susana
Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
topic_facet Corrientes group
Ctenomys pearsoni
Mitochondrial phylogeny
description Lineage delimitation is of extreme importance in evolutionary biology and constitutes an essential tool in basic and applied fields including conservation. We addressed the delimitation of two closely related species complexes of South American rodents of the genus Ctenomys (tuco-tucos), namely the C. pearsoni and Corrientes groups, whose relationships have been unclear or conflicting in previous phylogenetic studies. We performed a molecular phylogenetic analysis, increasing the number of representatives of each group and including sequences of three mitochondrial loci (the complete cytochrome b coding sequence, and partial regions of the cytochrome oxydase I gene and the D-loop of the control region). The trees obtained using Bayesian Inference and Maximum Parsimony methods show the Corrientes group and the C. pearsoni complex as reciprocally monophyletic sister clades, with higher values of intergroup compared to intragroup genetic distances. These results indicate that the Corrientes group and the C. pearsoni complex are differentiated lineages. The resulting tree topology is in agreement with a scenario of independent chromosomal rearrangements from the ancestral karyomorph (2n = 70 FN = 84), leading to the considerable chromosomal diversity that characterizes both groups. © SAREM, 2016.
author Caraballo, Diego Alfredo
Rossi, Maria Susana
author_facet Caraballo, Diego Alfredo
Rossi, Maria Susana
author_sort Caraballo, Diego Alfredo
title Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
title_short Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
title_full Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
title_fullStr Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
title_full_unstemmed Phylogenetic relationships between tuco-tucos (Ctenomys, Rodentia) of the Corrientes group and the C. pearsoni complex
title_sort phylogenetic relationships between tuco-tucos (ctenomys, rodentia) of the corrientes group and the c. pearsoni complex
publishDate 2016
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03279383_v23_n1_p39_Caraballo
http://hdl.handle.net/20.500.12110/paper_03279383_v23_n1_p39_Caraballo
work_keys_str_mv AT caraballodiegoalfredo phylogeneticrelationshipsbetweentucotucosctenomysrodentiaofthecorrientesgroupandthecpearsonicomplex
AT rossimariasusana phylogeneticrelationshipsbetweentucotucosctenomysrodentiaofthecorrientesgroupandthecpearsonicomplex
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