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Telomere dynamics rather than age predict life expectancy in the wild
Despite accumulating evidence from in vitro studies that cellular senescence is linked to telomere dynamics, how this relates to whole-organism senescence and longevity is poorly understood andExpand
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Real-time quantitative PCR assay for measurement of avian telomeres
We present the application of a real-time quantitative PCR assay, previously developed to measure relative telomere length in humans and mice, to two bird species, the zebra finch Taeniopygia guttataExpand
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Melanin-based colorations signal strategies to cope with poor and rich environments
One hypothesis for the maintenance of genetic variation states that alternative genotypes are adapted to different environmental conditions (i.e., genotype-by-environment interaction G×E) that varyExpand
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A UV signal of offspring condition mediates context-dependent parental favouritism
As fitness returns during a breeding attempt are context-dependent, parents are predicted to bias their food allocation within a brood from poor towards good condition nestlings when environmentalExpand
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Fecundity and survival in relation to resistance to oxidative stress in a free-living bird.
Major life history traits, such as fecundity and survival, have been consistently demonstrated to covary positively in nature, some individuals having more resources than others to allocate to allExpand
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Constraint and cost of oxidative stress on reproduction: correlative evidence in laboratory mice and review of the literature
BackgroundOne central concept in evolutionary ecology is that current and residual reproductive values are negatively linked by the so-called cost of reproduction. Previous studies examining theExpand
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Which chick is tasty to parasites? The importance of host immunology vs. parasite life history
Summary 1. The Tasty Chick Hypothesis (TCH) proposes that hatching asynchrony evolved as an antiparasite strategy. Hosts would benefit if ectoparasites aggregate more on the offspring that are ofExpand
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What Makes a Host Profitable? Parasites Balance Host Nutritive Resources against Immunity
Numerous host qualities can modulate parasite fitness, and among these, host nutritive resources and immunity are of prime importance. Indeed, parasite fitness increases with the amount of nutritiveExpand
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Effects of brood size manipulation and common origin on phenotype and telomere length in nestling collared flycatchers
BackgroundEvidence is accumulating that telomere length is a good predictor of life expectancy, especially early in life, thus calling for determining the factors that affect telomere length at thisExpand
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Sexual selection in genetic colour-polymorphic species: a review of experimental studies and perspectives
Sexual selection theory has primarily focussed on the role of mating preferences for the best individuals in the evolution of condition-dependent ornaments, traits that signal absolute quality.Expand
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