NDLI: Cytogenetic and genetic data support Crossodactylus aeneus Müller, 1924 as a new junior synonym of C. gaudichaudii Duméril and Bibron, 1841 (Amphibia, Anura).

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Cytogenetic and genetic data support Crossodactylus aeneus Müller, 1924 as a new junior synonym of C. gaudichaudii Duméril and Bibron, 1841 (Amphibia, Anura).

Content Provider	Europe PMC
Author	Vittorazzi, Stenio Eder Lourenço, Luciana Bolsoni Zattera, Michelle Louise Weber, Luiz Norberto Recco-Pimentel, Shirlei Maria Bruschi, Daniel Pacheco
Abstract	The nominal anuran species Crossodactylus gaudichaudii Dumériland Bibron, 1841 and Crossodactylus aeneus Müller, 1924 areindistinguishable based on adult and larval morphology, being subject oftaxonomic doubts. Here, we describe the karyotypes of C.gaudichaudii and C. aeneus, using classical andmolecular cytogenetic markers. In addition, we used sequences of the H1mitochondrial DNA to infer their phylogenetic relationships by MaximumLikelihood (ML) and Maximum Parsimony (MP) approaches and species delimitationtest (by bPTP approach). The karyotypic data do not differentiate C.gaudichaudii and C. aeneus in any of thechromosome markers assessed. In both phylogenetic analyses, C.gaudichaudii and C. aeneus were recovered into astrongly supported clade. The species delimitation analysis recovered thespecimens assigned to C. gaudichaudii and C.aeneus as a single taxonomic unit. Taken the cytogenetic andgenetic results together with previous studies of internal and externalmorphology of tadpoles and biacoustic pattern, C. gaudichaudii and C. aeneus could not be differentiated, which supports thehypothesis that they correspond to the same taxonomic unit, with C.aeneus being a junior synonym of C. gaudichaudii.
ISSN	14154757
Journal	Genetics and Molecular Biology
Volume Number	44
PubMed Central reference number	PMC7995990
Issue Number	2
PubMed reference number	33751017
e-ISSN	16784685
DOI	10.1590/1678-4685-GMB-2020-0301
Language	English
Publisher	Sociedade Brasileira de Genética
Publisher Date	2021-03-22
Access Restriction	Open
Rights License	This is an open-access article distributed under the terms of theCreative Commons Attribution License
Subject Keyword	Crossodactylus chromosome karyotype synonymous species species delimitation
Content Type	Text
Resource Type	Article
Subject	Genetics Molecular Biology

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