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Abstract:

The Rhinella granulosa group consists of 13 species of toads distributed throughout open areas of South America and Panama. In this paper we perform a phylogenetic analysis considering all but one species of the group, employing five nuclear and four mitochondrial genes, for up to 7910 bp per specimen. Separate phylogenetic analyses under direct optimization (DO) of nuclear and mitochondrial sequences recovered the R. granulosa group as monophyletic and revealed topological incongruence that can be explained mainly by multiple events of hybridization and introgression, both mitochondrial and nuclear. The DO combined analysis, after the exclusion of putatively introgressed or heterozygous genomes, resulted in a phylogenetic hypothesis for the R. granulosa group in which most of the species are recovered as monophyletic, but with interspecific relationships poorly supported. The optimization of morphological (adult and larval), chromosomal, and behavioural characters resulted in 12 putative phenotypic synapomorphies for this species group and some other synapomorphies for internal clades. Our results indicate the need for additional population genetic studies on R. dorbignyi and R. fernandezae to corroborate the taxonomic status of both taxa. Finally, we discuss biological and genetic characteristics of Bufonidae, as possible explanations for the common occurrence of hybridization and introgression observed in some lineages of this family. © 2016 The Willi Hennig Society.

Registro:

Documento: Artículo
Título:Phylogenetic relationships of toads of the Rhinella granulosa group (Anura: Bufonidae): A molecular perspective with comments on hybridization and introgression
Autor:Pereyra, M.O.; Baldo, D.; Blotto, B.L.; Iglesias, P.P.; Thomé, M.T.C.; Haddad, C.F.B.; Barrio-Amorós, C.; Ibáñez, R.; Faivovich, J.
Filiación:División Herpetología, Museo Argentino de Ciencias Naturales Bernardino Rivadavia-CONICET, Ángel Gallardo 470, Buenos Aires, C1405DJR, Argentina
Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, Posadas, Misiones, N3300LQF, Argentina
Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, São Paulo, 05508-090, Brazil
Instituto de Ecología, Genética y Evolución de Buenos Aires, IEGEBA-CONICET, Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria Pab. II, Buenos Aires, C1428EHA, Argentina
Departamento de Zoologia, Instituto de Biociências, UNESP-Universidade Estadual Paulista, Av. 24A 1515, Rio Claro, São Paulo, CEP 13506-900, Brazil
Instituto de Biodiversidad Tropical, Apartado Postal 220-8000, San José, Pérez Zeledón, 11901, Costa Rica
Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Panama
Departamento de Zoología, Universidad de Panamá, Panamá, Panama
Círculo Herpetológico de Panamá, Estafeta Universitaria, Apartado 10762, Panamá, Panama
Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:hybridization; introgression; morphology; phylogenetics; phylogeny; population genetics; taxonomy; toad; Anura; Bufonidae
Año:2016
Volumen:32
Número:1
Página de inicio:36
Página de fin:53
DOI: http://dx.doi.org/10.1111/cla.12110
Título revista:Cladistics
Título revista abreviado:Cladistics
ISSN:07483007
CODEN:CLADE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_07483007_v32_n1_p36_Pereyra

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Citas:

---------- APA ----------
Pereyra, M.O., Baldo, D., Blotto, B.L., Iglesias, P.P., Thomé, M.T.C., Haddad, C.F.B., Barrio-Amorós, C.,..., Faivovich, J. (2016) . Phylogenetic relationships of toads of the Rhinella granulosa group (Anura: Bufonidae): A molecular perspective with comments on hybridization and introgression. Cladistics, 32(1), 36-53.
http://dx.doi.org/10.1111/cla.12110
---------- CHICAGO ----------
Pereyra, M.O., Baldo, D., Blotto, B.L., Iglesias, P.P., Thomé, M.T.C., Haddad, C.F.B., et al. "Phylogenetic relationships of toads of the Rhinella granulosa group (Anura: Bufonidae): A molecular perspective with comments on hybridization and introgression" . Cladistics 32, no. 1 (2016) : 36-53.
http://dx.doi.org/10.1111/cla.12110
---------- MLA ----------
Pereyra, M.O., Baldo, D., Blotto, B.L., Iglesias, P.P., Thomé, M.T.C., Haddad, C.F.B., et al. "Phylogenetic relationships of toads of the Rhinella granulosa group (Anura: Bufonidae): A molecular perspective with comments on hybridization and introgression" . Cladistics, vol. 32, no. 1, 2016, pp. 36-53.
http://dx.doi.org/10.1111/cla.12110
---------- VANCOUVER ----------
Pereyra, M.O., Baldo, D., Blotto, B.L., Iglesias, P.P., Thomé, M.T.C., Haddad, C.F.B., et al. Phylogenetic relationships of toads of the Rhinella granulosa group (Anura: Bufonidae): A molecular perspective with comments on hybridization and introgression. Cladistics. 2016;32(1):36-53.
http://dx.doi.org/10.1111/cla.12110