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Telomeres and telomerase: active but complex players in life-history decisions

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Abstract

Studies on human telomeres have established that telomeres exert a significant influence on lifespan and health of organisms. However, recent research has indicated that the original idea that telomeres affect lifespan in a universal and central manner across all eukaryotic species is an oversimplification. Indeed, findings from a variety of animal species revealed that the role of telomere biology in aging is more subtle and intricate than previously recognized. Here, we show how telomere biology varies depending on the taxon. We also show how telomere biology corresponds to basic life history traits and affects the life table of a species and investments in growth, body size, reproduction, and lifespan; telomeres are hypothesized to shape evolutionary perspectives for species in an active but complex manner. Our evaluation is based on telomere biology data from many examples from throughout the animal kingdom that vary according to the degree of organismal complexity and life history strategies.

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Acknowledgements

The authors thank to Joshua Wright for critical reading of the manuscript and Jan Zrzavý for advice on the consensus phylogenetic tree of Metazoa. This study was supported by grant from Ministry of Education of the Czech Republic (LUAUS23128), grant from Strategy AV21, Diversity of Life and Health of Ecosystems, and by the projects RVO 60077344 of the Institute of Entomology, BC, České Budějovice.

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RCF designed the main conceptual idea and wrote the manuscript with support of BK and VP, MB and MS assisted with data collecting. All authors discussed the results and contributed to the final manuscript.

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Correspondence to Radmila Čapková Frydrychová.

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Frydrychová, R.Č., Konopová, B., Peska, V. et al. Telomeres and telomerase: active but complex players in life-history decisions. Biogerontology 25, 205–226 (2024). https://doi.org/10.1007/s10522-023-10060-z

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  • DOI: https://doi.org/10.1007/s10522-023-10060-z

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