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dc.contributor.author
Cavieres Parada, Grisel Beatriz
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dc.contributor.author
Nuñez Villegas, Monica
dc.contributor.author
Bozinovic, Francisco
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dc.contributor.author
Sabatino, Pablo
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dc.date.available
2018-04-26T21:12:34Z
dc.date.issued
2017-07
dc.identifier.citation
Cavieres Parada, Grisel Beatriz; Nuñez Villegas, Monica; Bozinovic, Francisco; Sabatino, Pablo; Early life experience drives short-term acclimation of metabolic and osmoregulatory traits in the leaf-eared mouse; Company of Biologists; Journal of Experimental Biology; 220; 14; 7-2017; 2626-2634
dc.identifier.issn
0022-0949
dc.identifier.uri
http://hdl.handle.net/11336/43624
dc.description.abstract
We studied the putative effect of early life experience on the physiological flexibility of metabolic and osmoregulatory traits in the leaf-eared mouse, Phyllotis darwini, an altricial rodent inhabiting seasonal Mediterranean environments. Adult individuals were collected in central Chile and maintained in breeding pairs. Pups were isolated after weaning and acclimated to different temperatures (cold or warm) and water availability (unrestricted and restricted) until adulthood. Subsequently, individuals were re-acclimated to the opposite treatment. Rodents reared in the warm and subjected to water restriction had lower basal metabolic rate (BMR), total evaporative water loss (TEWL) and body mass (Mb) compared with those developing in the cold treatment; nevertheless, individuals subjected to warm temperatures had greater relative medullary thickness (RMT) and urine concentrating ability (UCA). Cold-reared rodents re-acclimated to warm conditions exhibited physiological flexibility of metabolic traits; however, their osmoregulatory attributes did not vary. Conversely, warm-reared rodents re-acclimated to cold had reduced RMT and UCA, but the metabolic traits of these individuals did not change. These results suggest a trade-off between metabolic performance and renal capabilities that might hinder physiological acclimation. Our results support the hypothesis of ontogenetic dependence of short-term acclimation in osmoregulatory and metabolic traits in P. darwini.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Company of Biologists
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Metabolism
dc.subject
Osmoregulation
dc.subject
Phenotypic Plasticity
dc.subject
Phyllotis Darwini
dc.subject
Temperature
dc.subject
Water Availability
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Early life experience drives short-term acclimation of metabolic and osmoregulatory traits in the leaf-eared mouse
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-04-16T14:07:09Z
dc.journal.volume
220
dc.journal.number
14
dc.journal.pagination
2626-2634
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Cambridge
dc.description.fil
Fil: Cavieres Parada, Grisel Beatriz. Universidad Católica de Chile; Chile. Pontificia Universidad Católica de Chile; Chile. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
dc.description.fil
Fil: Nuñez Villegas, Monica. Universidad de Chile; Chile
dc.description.fil
Fil: Bozinovic, Francisco. Universidad Católica de Chile; Chile
dc.description.fil
Fil: Sabatino, Pablo. Universidad de Chile; Chile
dc.journal.title
Journal of Experimental Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1242/jeb.149997
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://jeb.biologists.org/content/220/14/2626
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