2021
DOI: 10.1242/jeb.243116
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Oxidative damage increases with degree of simulated bacterial infection, but not ectoparasitism, in tree swallow nestlings

Abstract: The purpose of mounting an immune response is to destroy pathogens, but this response comes at a physiological cost, including the generation of oxidative damage. However, many studies on the effects of immune challenges employ a single high dose, meaning that the consequences of more mild immune challenges are poorly understood. We tested whether the degree of immunological challenge in tree swallows (Tachycineta bicolor) affects oxidative physiology and body mass, and whether these metrics correlate with par… Show more

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Cited by 7 publications
(2 citation statements)
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“…In most natural scenarios, hosts face pathogen infections which differ in intensity (e.g., doses and frequency of exposure, see Aiello et al, 2016), then experimental challenges using gradients of infection intensity allow us to evaluate variations in disease progression with a better representation of natural systems. However, only a limited number of studies use this approach in wild species (e.g., Butler et al, 2021; Hudson et al, 2021; Leon & Hawley, 2017).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…In most natural scenarios, hosts face pathogen infections which differ in intensity (e.g., doses and frequency of exposure, see Aiello et al, 2016), then experimental challenges using gradients of infection intensity allow us to evaluate variations in disease progression with a better representation of natural systems. However, only a limited number of studies use this approach in wild species (e.g., Butler et al, 2021; Hudson et al, 2021; Leon & Hawley, 2017).…”
Section: Introductionmentioning
confidence: 99%
“…But in these situations, the variation in susceptibility and sickness progression associated with different degrees of infection may be missed (Leon & Hawley, 2017). Although some studies have explored milder infection intensities (e.g., Baze et al, 2011; Cutrera et al, 2022), which could be more relevant in an ecological and evolutionary context, only a limited number of ecoimmunological studies have assessed the effects of a gradient of antigen exposure in wild species (e.g., Armour et al, 2020; Butler et al, 2021; Hudson et al, 2021).…”
Section: Introductionmentioning
confidence: 99%