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Homeostasis theory: What can we learn from dormancy and symbiotic associations?

Abstract : In this letter, I discuss the notion of dormancy that De Luca Jr. relies on to criticize the theory of homeostasis. In particular, I try to qualify the issues related to the fact that dormancy is not always a free behavior but is in most situations under the influence of environmental factors. To this end, I discuss diapause in arthropods, which can be obligatory (under the influence of endogenous commands) but which is in most cases facultative (under external command). I emphasize that the notion of stability of a dormant organism must be taken with caution. I briefly mention what the study of sleep in animals can contribute to the notion of homeostasis. Finally, I focus on the role of microbial symbionts and the notion of holobiont. Through this, I question the future of the notions of internal environment and homeostasis and I propose to revisit them in the context of the effects of species in-teractions on the physiology of organisms.
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Soumis le : vendredi 20 mai 2022 - 12:02:14
Dernière modification le : vendredi 5 août 2022 - 11:23:54




Kévin Tougeron. Homeostasis theory: What can we learn from dormancy and symbiotic associations?. PHYSIOLOGY & BEHAVIOR, 2022, 249, ⟨10.1016/j.physbeh.2022.113749⟩. ⟨hal-03673964⟩



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