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Artículo

Diversity and evolution of the parotoid macrogland in true toads (Anura: Bufonidae)

Ódonohoe, M. E. Ailin; Luna, María CelesteIcon ; Regueira, EleonoraIcon ; Brunetti, Andrés EduardoIcon ; Basso, Nestor GuillermoIcon ; Lynch, John D.; Pereyra, Martín OscarIcon ; Hermida, Gladys Noemí
Fecha de publicación: 09/2019
Editorial: Wiley Blackwell Publishing, Inc
Revista: Zoological Journal of the Linnean Society
ISSN: 0024-4082
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Zoología, Ornitología, Entomología, Etología

Resumen

Skin glands in amphibians are either distributed throughout the skin or aggregated in multiglandular structures such as the parotoids typical of most species of Bufonidae. Although many early divergent and derived bufonids lack a discrete parotoid in the postorbital-supratympanic (PoSt) region, they have a great macroscopic diversity in the skin morphology of this region. To understand the origin and evolution of this diversity, in particular of the parotoids, we describe the histomorphology of the skin of the PoSt and dorsal regions in 17 species of bufonids, with or without external evident parotoid, and compare it with previously published descriptions. The survey results in 27 characters that were optimized on a phylogenetic hypothesis of Bufonidae. Our results reveal that the PoSt region has a noteworthy morphological diversity of types of glands, spatial organization and differences in the secretion products. Some morphological characters represent putative synapomorphies of internal clades of Bufonidae and are related to the progressive differentiation towards defined structures (macroglands, parotoids). These morphological results, along with published information on the toxicity of the skin secretions and defensive behaviours in some representative species, allow us to infer possible relationships between these features.
Palabras clave: DEFENSIVE BEHAVIOUR , SUPRATYMPANIC REGION , SECRETIONS , SKIN , WART , AMPHIBIA , DERMAL GLANDS , HISTOLOGY , POSTORBITAL
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/113277
URL: https://academic.oup.com/zoolinnean/article-abstract/187/2/453/5498960
DOI: https://doi.org/10.1093/zoolinnean/zlz027
Colecciones
Articulos(IBS)
Articulos de INSTITUTO DE BIOLOGIA SUBTROPICAL
Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Citación
Ódonohoe, M. E. Ailin; Luna, María Celeste; Regueira, Eleonora; Brunetti, Andrés Eduardo; Basso, Nestor Guillermo; et al.; Diversity and evolution of the parotoid macrogland in true toads (Anura: Bufonidae); Wiley Blackwell Publishing, Inc; Zoological Journal of the Linnean Society; 187; 2; 9-2019; 453-478
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