27 Works

The effect of temperature on appetite in fish

Fredrik Jutfelt, Tommy Norin, Eirik Åsheim, Lauren Rowsey, Anna Andreassen, Rachael Morgan, Timothy Clark & Ben Speers-Roesch
Temperature has a dramatic effect on the physiology of ectothermic animals, impacting most of their biology. When temperatures increase above optimal for an animal, their growth gradually decreases. The main mechanism behind this growth rate reduction is unknown. Here, we suggest the ‘aerobic scope protection’ hypothesis as a mechanistic explanation for the reduction in growth. After a meal, metabolic rate, and hence oxygen consumption rate, transiently increases in a process called specific dynamic action (SDA)....

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

Eve Udino, Julia George, Matthew McKenzie, Anaïs Pessato, Ondi Crino, Katherine Buchanan & Mylene Mariette
Sound is an essential source of information in many taxa and can notably be used by embryos to program their phenotypes for postnatal environments. While underlying mechanisms are mostly unknown, there is growing evidence for the implication of mitochondria – main source of cellular energy (i.e. ATP) – in developmental programming processes. Here, we tested whether prenatal sound programs mitochondrial metabolism. In the arid-adapted zebra finch, prenatal exposure to “heat-calls” – produced by parents incubating...

Registration Year

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