2023
DOI: 10.1101/2023.05.29.542691
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Permeabilization status affects the relationship between basal metabolic rate and mitochondrial respiration in great tit blood cells

Abstract: Although mitochondrial respiration is believed to explain a substantial part of the variation in whole-animal basal (BMR) or resting metabolic rate (RMR), few studies have addressed the relationship between organismal and cellular metabolism and how this may vary in environments where individual demands for energy differ. We investigated the relationship between whole-individual metabolic rate, measured in temperatures ranging thermoneutrality to far below thermoneutrality, and mitochondrial respiration of int… Show more

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“…Such new approaches, based on biopsy [16][17][18] or blood samples [14,[19][20][21][22], now make it possible to gather information on the temporal dynamics of whole-organism and mitochondrial traits. In birds, non-lethal sampling of blood has shown a relationship between mitochondrial traits in red blood cells and reproductive performance [14,23] and whole-animal metabolic rate [24,25]. In European sea bass Dicentrarchus labrax, non-lethal sampling of the red muscle has linked variation in mitochondrial properties and individual growth performance [16].…”
Section: Introductionmentioning
confidence: 99%
“…Such new approaches, based on biopsy [16][17][18] or blood samples [14,[19][20][21][22], now make it possible to gather information on the temporal dynamics of whole-organism and mitochondrial traits. In birds, non-lethal sampling of blood has shown a relationship between mitochondrial traits in red blood cells and reproductive performance [14,23] and whole-animal metabolic rate [24,25]. In European sea bass Dicentrarchus labrax, non-lethal sampling of the red muscle has linked variation in mitochondrial properties and individual growth performance [16].…”
Section: Introductionmentioning
confidence: 99%