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Artículo

Parasite infection negatively affects PHA-triggered inflammation in the subterranean rodent Ctenomys talarum

Merlo, JulietaIcon ; Cutrera, Ana PaulaIcon ; Zenuto, Roxana RitaIcon
Fecha de publicación: 02/2016
Editorial: Wiley-liss, Div John Wiley & Sons Inc
Revista: Journal of Experimental Zoology Part A: Ecological Genetics and Physiology
ISSN: 1932-5223
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Magnitude and effectiveness of immune responses vary greatly between and within species. Among factors reported to determine this variation, parasitism is a critical one, although controversial effects of parasites over immunological indices have been reported. Information regarding immune strategies in species with different life histories is crucial to better understand the role of immune defenses in an ecological and evolutionary context. Here, we examine the influence of the parasite community on immune responsiveness of a solitary subterranean rodent, Ctenomys talarum. To do this, we assessed the impact of the natural parasite community and the experimental infection with Eimeria sp. on the phytohemagglutinin (PHA)-response, as well as other immune, condition, nutrition, and stress parameters. PHA-triggered inflammation was similarly impaired by Eimeria sp. infection alone or co-occurring with a number of gastrointestinal nematodes. None of the other physiological parameters studied were affected by parasitism. This indicates that parasitism is a general key factor modulating immune responsiveness of the host, and in particular for C. talarum, it could explain the great inter-individual variation previously observed in the PHA-response. Thus, our results highlight the importance of taking the parasite community into account in ecoimmunological studies, particularly when using immunological indices.
Palabras clave: Immunity , Inflammatory Response , Eimeria , Ctenomys
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info:eu-repo/semantics/openAccess 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/11336/62621
URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/jez.2003
DOI: https://dx.doi.org/10.1002/jez.2003
Colecciones
Articulos(IIMYC)
Articulos de INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS
Citación
Merlo, Julieta; Cutrera, Ana Paula; Zenuto, Roxana Rita; Parasite infection negatively affects PHA-triggered inflammation in the subterranean rodent Ctenomys talarum; Wiley-liss, Div John Wiley & Sons Inc; Journal of Experimental Zoology Part A: Ecological Genetics and Physiology; 325; 2; 2-2016; 132-141
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