Water constraints drive allometric patterns in the body shape of tree frogs

Abstract The origin of morphological diversity is a critical question in evolutionary biology. Interactions between the environment and developmental processes have determining roles in morphological diversity, creating patterns through space and over time. Also, the shape of organisms tends to vary...

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Autores principales:	Kathleen M. S. A. Castro, Talita F. Amado, Miguel Á. Olalla-Tárraga, Sidney F. Gouveia, Carlos A. Navas, Pablo A. Martinez
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/88b6894114604b9a9e78e9ac305db390
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spelling	oai:doaj.org-article:88b6894114604b9a9e78e9ac305db3902021-12-02T14:01:34ZWater constraints drive allometric patterns in the body shape of tree frogs10.1038/s41598-020-80456-12045-2322https://doaj.org/article/88b6894114604b9a9e78e9ac305db3902021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80456-1https://doaj.org/toc/2045-2322Abstract The origin of morphological diversity is a critical question in evolutionary biology. Interactions between the environment and developmental processes have determining roles in morphological diversity, creating patterns through space and over time. Also, the shape of organisms tends to vary with increasing size as a result of those developmental processes, known as allometry. Several studies have demonstrated that the body sizes of anurans are associated with hydric conditions in their environments and that localities with high water stress tend to select for larger individuals. However, how environmental conditions alter those patterns of covariance between size and shape is still elusive. We used 3D geometric morphometric analyses, associated with phylogenetic comparative methods, to determine if the morphological variations and allometric patterns found in Arboranae (Anura) is linked to water conservation mechanisms. We found effects of the hydric stress on the shape of Arboranae species, favouring globular shapes. Also, the allometric patterns varied in intensity according to the water stress gradient, being particularly relevant for smaller frogs, and more intense in environments with higher water deficits. Our study provides empirical evidence that more spherical body shapes, especially among smaller species, reflect an important adaptation of anurans to water conservation in water-constrained environments.Kathleen M. S. A. CastroTalita F. AmadoMiguel Á. Olalla-TárragaSidney F. GouveiaCarlos A. NavasPablo A. MartinezNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kathleen M. S. A. Castro Talita F. Amado Miguel Á. Olalla-Tárraga Sidney F. Gouveia Carlos A. Navas Pablo A. Martinez Water constraints drive allometric patterns in the body shape of tree frogs
description	Abstract The origin of morphological diversity is a critical question in evolutionary biology. Interactions between the environment and developmental processes have determining roles in morphological diversity, creating patterns through space and over time. Also, the shape of organisms tends to vary with increasing size as a result of those developmental processes, known as allometry. Several studies have demonstrated that the body sizes of anurans are associated with hydric conditions in their environments and that localities with high water stress tend to select for larger individuals. However, how environmental conditions alter those patterns of covariance between size and shape is still elusive. We used 3D geometric morphometric analyses, associated with phylogenetic comparative methods, to determine if the morphological variations and allometric patterns found in Arboranae (Anura) is linked to water conservation mechanisms. We found effects of the hydric stress on the shape of Arboranae species, favouring globular shapes. Also, the allometric patterns varied in intensity according to the water stress gradient, being particularly relevant for smaller frogs, and more intense in environments with higher water deficits. Our study provides empirical evidence that more spherical body shapes, especially among smaller species, reflect an important adaptation of anurans to water conservation in water-constrained environments.
format	article
author	Kathleen M. S. A. Castro Talita F. Amado Miguel Á. Olalla-Tárraga Sidney F. Gouveia Carlos A. Navas Pablo A. Martinez
author_facet	Kathleen M. S. A. Castro Talita F. Amado Miguel Á. Olalla-Tárraga Sidney F. Gouveia Carlos A. Navas Pablo A. Martinez
author_sort	Kathleen M. S. A. Castro
title	Water constraints drive allometric patterns in the body shape of tree frogs
title_short	Water constraints drive allometric patterns in the body shape of tree frogs
title_full	Water constraints drive allometric patterns in the body shape of tree frogs
title_fullStr	Water constraints drive allometric patterns in the body shape of tree frogs
title_full_unstemmed	Water constraints drive allometric patterns in the body shape of tree frogs
title_sort	water constraints drive allometric patterns in the body shape of tree frogs
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/88b6894114604b9a9e78e9ac305db390
work_keys_str_mv	AT kathleenmsacastro waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs AT talitafamado waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs AT miguelaolallatarraga waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs AT sidneyfgouveia waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs AT carlosanavas waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs AT pabloamartinez waterconstraintsdriveallometricpatternsinthebodyshapeoftreefrogs
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Water constraints drive allometric patterns in the body shape of tree frogs

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