Telomere DNA length regulation is influenced by seasonal temperature differences in short-lived but not in long-lived reef-building corals

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Telomeres are environment-sensitive regulators of health and aging. Here,we present telomere DNA length analysis of two reef-building coral genera revealing that the long- and short-term water thermal regime is a key driver of between-colony variation across the Pacific Ocean. Notably, there are differences between the two studied genera. The telomere DNA lengths of the short-lived, more stress-sensitive Pocillopora spp. colonies were largely determined by seasonal temperature variation, whereas those of the long-lived, more stress-resistant Porites spp. colonies were insensitive to seasonal patterns, but rather influenced by past thermal anomalies. These results reveal marked differences in telomere DNA length regulation between two evolutionary distant coral genera exhibiting specific life-history traits. We propose that environmentally regulated mechanisms of telomere maintenance are linked to organismal performances, a matter of paramount importance considering the effects of climate change on health.

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ISO 690ROUAN, Alice, Melanie POUSSE, Nadir DJERBI, Barbara PORRO, Guillaume BOURDIN, Quentin CARRADEC, Benjamin C. C. HUME, Julie LE-HOANG, Eric ARMSTRONG, Christian R. VOOLSTRA, 2023. Telomere DNA length regulation is influenced by seasonal temperature differences in short-lived but not in long-lived reef-building corals. In: Nature Communications. Nature Publishing Group. 2023, 14(1), 3038. eISSN 2041-1723. Available under: doi: 10.1038/s41467-023-38499-1
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@article{Rouan2023Telom-67159,
  year={2023},
  doi={10.1038/s41467-023-38499-1},
  title={Telomere DNA length regulation is influenced by seasonal temperature differences in short-lived but not in long-lived reef-building corals},
  number={1},
  volume={14},
  journal={Nature Communications},
  author={Rouan, Alice and Pousse, Melanie and Djerbi, Nadir and Porro, Barbara and Bourdin, Guillaume and Carradec, Quentin and Hume, Benjamin C. C. and Le-Hoang, Julie and Armstrong, Eric and Voolstra, Christian R.},
  note={Article Number: 3038}
}
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