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Future ocean warming may prove beneficial for the northern population of European seabass, but ocean acidification will not ArchiMer
Howald, Sarah; Cominassi, Louise; Le Bayon, Nicolas; Claireaux, Guy; Mark, Felix C..
The world's oceans are acidifying and warming as a result of increasing atmospheric CO2 concentrations. The thermal tolerance of fish greatly depends on the cardiovascular ability to supply the tissues with oxygen. The highly oxygen-dependent heart mitochondria thus might play a key role in shaping an organism's tolerance to temperature. The present study aimed to investigate the effects of acute and chronic warming on the respiratory capacity of European sea bass (Dicentrarchus labrax L.) heart mitochondria. We hypothesized that acute warming would impair mitochondrial respiratory capacity, but be compensated for by life-time conditioning. Increasing PCO2 may additionally cause shifts in metabolic pathways by inhibiting several enzymes of the cellular...
Tipo: Text Palavras-chave: Mitochondrial respiration; Developmental acclimation; Temperate teleost; Heart.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00592/70446/68556.pdf
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