Do Telomeres Influence Pace-of-Life-Strategies in Response to Environmental Conditions Over a Lifetime and Between Generations?

BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology
Mathieu GiraudeauTuul Sepp

Abstract

The complexity of the physiological phenotype currently prevents us from identifying an integrative measure to assess how the internal state and environmental conditions modify life-history strategies. In this article, it is proposed that shorter telomeres should lead to a faster pace-of-life where investment in self-maintenance is decreased as a means of saving energy for reproduction, but at the cost of somatic durability. Inversely, longer telomeres would favor an increased investment in soma maintenance and thus a longer reproductive lifespan (i.e., slower pace-of-life). Under this hypothesis, telomere dynamics could be such an integrative mediator, which will assemble the information about oxidative stress levels, inflammation status and stress reactivity, and relate this information to the potential lifespan of the organism and its pace-of-life strategy. The signaling function of telomere dynamics can also reach over generations, a phenomenon in which the telomere lengths of gametes would provide a channel through which offspring would receive information about their environment early in their development, hence increasing the possibilities for developmental plasticity.

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May 31, 2019·Current Opinion in Psychiatry·Francesco S BersaniOwen M Wolkowitz
Jun 14, 2020·The Journal of Experimental Biology·Stefania CasagrandeMichaela Hau
Apr 1, 2021·The Journal of Experimental Biology·Christopher R FriesenMats Olsson
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Dec 6, 2021·Molecular Ecology·Michael ToblerDennis Hasselquist

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