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Avian erythrocytes have functional mitochondria, opening novel perspectives for birds as animal models in the study of ageing.

Archive ouverte | Stier, Antoine | CCSD

International audience. BACKGROUND: In contrast to mammalian erythrocytes, which have lost their nucleus and mitochondria during maturation, the erythrocytes of almost all other vertebrate species are nucleated thro...

Constraint and cost of oxidative stress on reproduction: correlative evidence in laboratory mice and review of the literature.

Archive ouverte | Stier, Antoine | CCSD

International audience. UNLABELLED: ABSTRACT: BACKGROUND: One central concept in evolutionary ecology is that current and residual reproductive values are negatively linked by the so-called cost of reproduction. Pre...

Increased brood size leads to persistent eroded telomeres

Archive ouverte | Reichert, Sophie | CCSD

International audience. Costs of reproduction can be divided in mandatory costs coming from physiological, metabolic and anatomical changes required to sustain reproduction itself, and in investment-dependent costs ...

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