Dietary specialization predicts toxicity in recently diverged lineages of poison frogs

Bright colourations allow dart-poison frogs to advertise bad taste and reduce predation. Several studies have proposed that skin alkaloids of poison frogs come from dietary sources, namely arthropods such as ants and mites. Evidence suggests concomitant variations in toxicity and diet specialization...

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Autores:
Arenas Chaves, Lina María
Tipo de recurso:
Fecha de publicación:
2010
Institución:
Universidad de los Andes
Repositorio:
Séneca: repositorio Uniandes
Idioma:
eng
OAI Identifier:
oai:repositorio.uniandes.edu.co:1992/11305
Acceso en línea:
http://hdl.handle.net/1992/11305
Palabra clave:
Dendrobatidae - Alimentación y alimentos - Investigaciones
Dendrobatidae - Hábitos y conducta - Investigaciones
Biología
Rights
openAccess
License
http://creativecommons.org/licenses/by-nc-sa/4.0/
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spelling Al consultar y hacer uso de este recurso, está aceptando las condiciones de uso establecidas por los autores.http://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Amézquita Torres, Adolfovirtual::17221-1Arenas Chaves, Lina Maríab2090b06-192f-46e3-9a5b-08f91aae3c4e6002018-09-28T07:52:53Z2018-09-28T07:52:53Z2010http://hdl.handle.net/1992/11305u433184.pdfinstname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/Bright colourations allow dart-poison frogs to advertise bad taste and reduce predation. Several studies have proposed that skin alkaloids of poison frogs come from dietary sources, namely arthropods such as ants and mites. Evidence suggests concomitant variations in toxicity and diet specialization among poison frog genera. However, no studies have evaluated whether such patterns hold at the intraspecific level. We tested whether diet and toxicity were correlated among five Oophaga lineages, through toxicity bioassays and stomach contents analyses. Despite all species have similar diets, and behave as specialist predators, we found that small variations in diet composition imply noticeable variations in diet breadth and toxicity within lineages. We provide the first line of evidence confirming concomitant variations between dietary specialization and toxicity and bringing further support for the diet?toxicity hypothesis at the finest phylogenetic scale.Magíster en Ciencias BiológicasMaestría20 hojasapplication/pdfengUniandesMaestría en Ciencias BiológicasFacultad de CienciasDepartamento de Biologíainstname:Universidad de los Andesreponame:Repositorio Institucional SénecaDietary specialization predicts toxicity in recently diverged lineages of poison frogsTrabajo de grado - Maestríainfo:eu-repo/semantics/masterThesishttp://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TMDendrobatidae - Alimentación y alimentos - InvestigacionesDendrobatidae - Hábitos y conducta - InvestigacionesBiologíaPublicationhttps://scholar.google.es/citations?user=07uD4yoAAAAJvirtual::17221-10000-0001-7320-1143virtual::17221-1https://scienti.minciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0000111082virtual::17221-140c7a2f6-d55d-4787-a6a1-07644bbc435cvirtual::17221-140c7a2f6-d55d-4787-a6a1-07644bbc435cvirtual::17221-1THUMBNAILu433184.pdf.jpgu433184.pdf.jpgIM Thumbnailimage/jpeg17842https://repositorio.uniandes.edu.co/bitstreams/5a663919-fe26-466d-84cc-29bb1a99fc4a/download1dcc9ca551e1b1bea379357282671953MD55ORIGINALu433184.pdfapplication/pdf954273https://repositorio.uniandes.edu.co/bitstreams/9c9f9864-d61d-463e-923f-1684760193ce/download8ebe9b6a879bf53a0da8b5440e6d82f9MD51TEXTu433184.pdf.txtu433184.pdf.txtExtracted texttext/plain30311https://repositorio.uniandes.edu.co/bitstreams/952ab4d8-1e8c-4e44-afc8-dae4ec41ad79/downloadfd488a8f5cabe2c024b60fb0f56ba099MD541992/11305oai:repositorio.uniandes.edu.co:1992/113052024-03-13 15:57:39.182http://creativecommons.org/licenses/by-nc-sa/4.0/open.accesshttps://repositorio.uniandes.edu.coRepositorio institucional Sénecaadminrepositorio@uniandes.edu.co
dc.title.es_CO.fl_str_mv Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
title Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
spellingShingle Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
Dendrobatidae - Alimentación y alimentos - Investigaciones
Dendrobatidae - Hábitos y conducta - Investigaciones
Biología
title_short Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
title_full Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
title_fullStr Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
title_full_unstemmed Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
title_sort Dietary specialization predicts toxicity in recently diverged lineages of poison frogs
dc.creator.fl_str_mv Arenas Chaves, Lina María
dc.contributor.advisor.none.fl_str_mv Amézquita Torres, Adolfo
dc.contributor.author.none.fl_str_mv Arenas Chaves, Lina María
dc.subject.keyword.es_CO.fl_str_mv Dendrobatidae - Alimentación y alimentos - Investigaciones
Dendrobatidae - Hábitos y conducta - Investigaciones
topic Dendrobatidae - Alimentación y alimentos - Investigaciones
Dendrobatidae - Hábitos y conducta - Investigaciones
Biología
dc.subject.themes.none.fl_str_mv Biología
description Bright colourations allow dart-poison frogs to advertise bad taste and reduce predation. Several studies have proposed that skin alkaloids of poison frogs come from dietary sources, namely arthropods such as ants and mites. Evidence suggests concomitant variations in toxicity and diet specialization among poison frog genera. However, no studies have evaluated whether such patterns hold at the intraspecific level. We tested whether diet and toxicity were correlated among five Oophaga lineages, through toxicity bioassays and stomach contents analyses. Despite all species have similar diets, and behave as specialist predators, we found that small variations in diet composition imply noticeable variations in diet breadth and toxicity within lineages. We provide the first line of evidence confirming concomitant variations between dietary specialization and toxicity and bringing further support for the diet?toxicity hypothesis at the finest phylogenetic scale.
publishDate 2010
dc.date.issued.none.fl_str_mv 2010
dc.date.accessioned.none.fl_str_mv 2018-09-28T07:52:53Z
dc.date.available.none.fl_str_mv 2018-09-28T07:52:53Z
dc.type.spa.fl_str_mv Trabajo de grado - Maestría
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dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/1992/11305
dc.identifier.pdf.none.fl_str_mv u433184.pdf
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identifier_str_mv u433184.pdf
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dc.language.iso.es_CO.fl_str_mv eng
language eng
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eu_rights_str_mv openAccess
dc.format.extent.es_CO.fl_str_mv 20 hojas
dc.format.mimetype.es_CO.fl_str_mv application/pdf
dc.publisher.es_CO.fl_str_mv Uniandes
dc.publisher.program.es_CO.fl_str_mv Maestría en Ciencias Biológicas
dc.publisher.faculty.es_CO.fl_str_mv Facultad de Ciencias
dc.publisher.department.es_CO.fl_str_mv Departamento de Biología
dc.source.es_CO.fl_str_mv instname:Universidad de los Andes
reponame:Repositorio Institucional Séneca
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