2020
DOI: 10.7818/ecos.1979
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Ecophysiological assessment of blood haemosporidian infections in birds

Abstract: El parasitismo es una de las principales fuerzas selectivas en la evolución de las especies, ya que tendría consecuencias directas sobre la supervivencia y reproducción del hospedador. Sin embargo, el resultado global de las interacciones entre parásitos y hospedadores puede medirse a través de la resistencia o tolerancia expresada por los hospedadores, y la virulencia ejercida por los parásitos. En el caso de la malaria aviar, estas interacciones antagónicas serán las que impulsen la coevolución entre aves y … Show more

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Cited by 5 publications
(4 citation statements)
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“…Co-infected blackcaps preferred anthocyanin-enriched food. Consumption of antioxidants such as anthocyanins could be a means of self-medicating if it reduced oxidative damage caused by the parasite or by activation of the immune system during the infection (Beaulieu and Schaefer 2013;de Roode et al 2013;Muriel 2020). This effect of parasitism was only significant in multiple infections, which could increase parasite virulence or the cost of the host's immune response (Pigeault et al 2018;Garcia-Longoria et al 2022).…”
Section: Discussionmentioning
confidence: 99%
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“…Co-infected blackcaps preferred anthocyanin-enriched food. Consumption of antioxidants such as anthocyanins could be a means of self-medicating if it reduced oxidative damage caused by the parasite or by activation of the immune system during the infection (Beaulieu and Schaefer 2013;de Roode et al 2013;Muriel 2020). This effect of parasitism was only significant in multiple infections, which could increase parasite virulence or the cost of the host's immune response (Pigeault et al 2018;Garcia-Longoria et al 2022).…”
Section: Discussionmentioning
confidence: 99%
“…All these effects on the physiology of the host could be enhanced when they are experiencing a demanding situation, such as migration (Jenni-Eiermann 2017). One important link between parasite infection and host feeding behaviour may be oxidative stress (Isaksson et al 2013;Delhaye et al 2016;Muriel 2020). Oxidative stress results from the imbalance between endogenous or exogenous antioxidants, which protect animals against oxidative damage to DNA, proteins, or lipids, and reactive oxygen species (ROS) that cause such damage (Finkel and Holbrook 2000;Monaghan et al 2009).…”
Section: Introductionmentioning
confidence: 99%
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“…Los resultados se traducen en que el sitio de estudio cuenta con una cantidad de vectores suficiente y capaz de transmitir hemoparásitos en ambas especies de aves (Valkiūnas & Iezhova, 2018;Inumaru et al, 2021). Los trabajos que analizan la parasitemia son limitados (Huang et al, 2020) y asocian este parámetro con el daño generado por el parásito al hospedero (Knowles et al, 2010;Muriel, 2020). Hasta donde sabemos, no existe un estudio que examine la parasitemia sanguínea en las especies muestreadas en este estudio.…”
Section: Discussionunclassified