Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals
Only about a dozen species of animals are known to achieve maximum ages (Amax) exceeding 100 yrs, including the freshwater pearl shell (Margaritifera margaritifera). This species has a life-span of between 100–200 years depending on latitude and environmental conditions. The difference in Amax is 3–...
Published in: | AMBIO: A Journal of the Human Environment |
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Royal Swedish Academy of Sciences
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ftbioone:10.1579/0044-7447-29.2.102 2023-07-30T04:01:20+02:00 Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson world 2000-03-01 text/HTML https://doi.org/10.1579/0044-7447-29.2.102 en eng Royal Swedish Academy of Sciences doi:10.1579/0044-7447-29.2.102 All rights reserved. https://doi.org/10.1579/0044-7447-29.2.102 Text 2000 ftbioone https://doi.org/10.1579/0044-7447-29.2.102 2023-07-09T09:34:13Z Only about a dozen species of animals are known to achieve maximum ages (Amax) exceeding 100 yrs, including the freshwater pearl shell (Margaritifera margaritifera). This species has a life-span of between 100–200 years depending on latitude and environmental conditions. The difference in Amax is 3–7 times when southern populations, with Amax of 28–40 yrs, are compared to northern Arctic populations, with Amax of 114–190 yrs. Evolutionary and ecological explanations for longevity in the Arctic pearl shell include adaptations to the severe, unstable climatic and hydrological conditions in rivers. Extreme longevity seems to be related not only to the low metabolic rate in the cold climate, but the species can reduce energy expenditure for growth, and can rapidly increase metabolic rate up to 130x the normal level, to regenerate damaged shell or tissue. The physiology of this species may provide valuable clues to understanding the mechanisms that sustain longevity and retard senescence. Text Arctic BioOne Online Journals Arctic AMBIO: A Journal of the Human Environment 29 2 102 105 |
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Only about a dozen species of animals are known to achieve maximum ages (Amax) exceeding 100 yrs, including the freshwater pearl shell (Margaritifera margaritifera). This species has a life-span of between 100–200 years depending on latitude and environmental conditions. The difference in Amax is 3–7 times when southern populations, with Amax of 28–40 yrs, are compared to northern Arctic populations, with Amax of 114–190 yrs. Evolutionary and ecological explanations for longevity in the Arctic pearl shell include adaptations to the severe, unstable climatic and hydrological conditions in rivers. Extreme longevity seems to be related not only to the low metabolic rate in the cold climate, but the species can reduce energy expenditure for growth, and can rapidly increase metabolic rate up to 130x the normal level, to regenerate damaged shell or tissue. The physiology of this species may provide valuable clues to understanding the mechanisms that sustain longevity and retard senescence. |
author2 |
Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson |
format |
Text |
author |
Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson |
spellingShingle |
Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
author_facet |
Valery Ziuganov Eduardo San Miguel Richard J. Neves Angeles Longa Carlos Fernández Rafaela Amaro Victor Beletsky Ekaterina Popkovitch Sviatoslav Kaliuzhin Torbjörn Johnson |
author_sort |
Valery Ziuganov |
title |
Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
title_short |
Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
title_full |
Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
title_fullStr |
Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
title_full_unstemmed |
Life Span Variation of the Freshwater Pearl Shell: A Model Species for Testing Longevity Mechanisms in Animals |
title_sort |
life span variation of the freshwater pearl shell: a model species for testing longevity mechanisms in animals |
publisher |
Royal Swedish Academy of Sciences |
publishDate |
2000 |
url |
https://doi.org/10.1579/0044-7447-29.2.102 |
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Arctic |
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Arctic |
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Arctic |
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https://doi.org/10.1579/0044-7447-29.2.102 |
op_relation |
doi:10.1579/0044-7447-29.2.102 |
op_rights |
All rights reserved. |
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https://doi.org/10.1579/0044-7447-29.2.102 |
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AMBIO: A Journal of the Human Environment |
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29 |
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2 |
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102 |
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105 |
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1772812081538531328 |