Integrating mitochondrial aerobic metabolism into ecology and evolution

RE Koch, KL Buchanan, S Casagrande, O Crino… - Trends in Ecology & …, 2021 - cell.com
Biologists have long appreciated the critical role that energy turnover plays in understanding
variation in performance and fitness among individuals. Whole-organism metabolic studies …

How telomere dynamics are influenced by the balance between mitochondrial efficiency, reactive oxygen species production and DNA damage

NB Metcalfe, M Olsson - Molecular Ecology, 2022 - Wiley Online Library
It is well known that oxidative stress is a major cause of DNA damage and telomere attrition.
Most endogenous reactive oxygen species (ROS) are produced in the mitochondria …

Increased glucocorticoid concentrations in early life cause mitochondrial inefficiency and short telomeres

S Casagrande, A Stier, P Monaghan… - Journal of …, 2020 - journals.biologists.com
Telomeres are DNA structures that protect chromosome ends. However, telomeres shorten
during cell replication and at critically low lengths can reduce cell replicative potential …

Non-lethal sampling for assessment of mitochondrial function does not affect metabolic rate and swimming performance

E Thoral, L Dargère… - … of the Royal …, 2024 - royalsocietypublishing.org
A fundamental issue in the metabolic field is whether it is possible to understand underlying
mechanisms that characterize individual variation. Whole-animal performance relies on …

Avian red blood cell mitochondria produce more heat in winter than in autumn

A Nord, NB Metcalfe, JL Page, A Huxtable… - The FASEB …, 2021 - Wiley Online Library
Endotherms in cold regions improve heat‐producing capacity when preparing for winter. We
know comparatively little about how this change is fueled by seasonal adaptation in cellular …

How birds during migration maintain (oxidative) balance

S McWilliams, W Carter, C Cooper-Mullin… - Frontiers in Ecology …, 2021 - frontiersin.org
Animals dynamically adjust their physiology and behavior to survive in changing
environments, and seasonal migration is one life stage that demonstrates these dynamic …

The relationships between growth rate and mitochondrial metabolism varies over time

JB Quéméneur, M Danion, J Cabon, S Collet… - Scientific Reports, 2022 - nature.com
Mitochondrial metabolism varies significantly between individuals of the same species and
can influence animal performance, such as growth. However, growth rate is usually …

Experimental demonstration of prenatal programming of mitochondrial aerobic metabolism lasting until adulthood

A Stier, P Monaghan… - Proceedings of the …, 2022 - royalsocietypublishing.org
It is increasingly being postulated that among-individual variation in mitochondrial function
underlies variation in individual performance (eg growth rate) and state of health. It has been …

Prenatal acoustic programming of mitochondrial function for high temperatures in an arid-adapted bird

E Udino, JM George, M McKenzie… - … of the Royal …, 2021 - royalsocietypublishing.org
Sound is an essential source of information in many taxa and can notably be used by
embryos to programme their phenotypes for postnatal environments. While underlying …

Mechanisms that Alter Capacity for ATP Production and OXPHOS: Insights from Avian Migration

WR Hood - Integrative and Comparative Biology, 2024 - academic.oup.com
Avian migration is among the most energetically demanding feats observed in animals.
Studies evaluating the physiological underpinnings of migration have repeatedly shown that …