The pace of mitochondrial molecular evolution varies with seasonal migration distance
© The Author(s) 2023. Published by Oxford University Press on behalf of The Society for the Study of Evolution (SSE). All rights reserved. For permissions, please e-mail: journals.permissionsoup.com..
Animals that engage in long-distance seasonal migration experience strong selective pressures on their metabolic performance and life history, with potential consequences for molecular evolution. Species with slow life histories typically show lower rates of synonymous substitution (dS) than "fast" species. Previous research suggests long-distance seasonal migrants have a slower life history strategy than short-distance migrants, raising the possibility that rates of molecular evolution may covary with migration distance. Additionally, long-distance migrants may face strong selection on metabolically-important mitochondrial genes due to their long-distance flights. Using over 1,000 mitochondrial genomes, we assessed the relationship between migration distance and mitochondrial molecular evolution in 39 boreal-breeding migratory bird species. We show that migration distance correlates negatively with dS, suggesting that the slow life history associated with long-distance migration is reflected in rates of molecular evolution. Mitochondrial genes in every study species exhibited evidence of purifying selection, but the strength of selection was greater in short-distance migrants, contrary to our predictions. This result may indicate effects of selection for cold tolerance on mitochondrial evolution among species overwintering at high latitudes. Our study demonstrates that the pervasive correlation between life history and molecular evolutionary rates exists in the context of differential adaptations to seasonality.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:78 |
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| Enthalten in: |
Evolution; international journal of organic evolution - 78(2024), 1 vom: 04. Jan., Seite 160-173 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pegan, Teresa M [VerfasserIn] |
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| Links: |
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| Themen: |
D S |
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| Anmerkungen: |
Date Completed 05.01.2024 Date Revised 05.01.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/evolut/qpad200 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364357258 |
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| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of The Society for the Study of Evolution (SSE). All rights reserved. For permissions, please e-mail: journals.permissionsoup.com. | ||
| 520 | |a Animals that engage in long-distance seasonal migration experience strong selective pressures on their metabolic performance and life history, with potential consequences for molecular evolution. Species with slow life histories typically show lower rates of synonymous substitution (dS) than "fast" species. Previous research suggests long-distance seasonal migrants have a slower life history strategy than short-distance migrants, raising the possibility that rates of molecular evolution may covary with migration distance. Additionally, long-distance migrants may face strong selection on metabolically-important mitochondrial genes due to their long-distance flights. Using over 1,000 mitochondrial genomes, we assessed the relationship between migration distance and mitochondrial molecular evolution in 39 boreal-breeding migratory bird species. We show that migration distance correlates negatively with dS, suggesting that the slow life history associated with long-distance migration is reflected in rates of molecular evolution. Mitochondrial genes in every study species exhibited evidence of purifying selection, but the strength of selection was greater in short-distance migrants, contrary to our predictions. This result may indicate effects of selection for cold tolerance on mitochondrial evolution among species overwintering at high latitudes. Our study demonstrates that the pervasive correlation between life history and molecular evolutionary rates exists in the context of differential adaptations to seasonality | ||
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| 650 | 4 | |a mitochondria | |
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| 650 | 4 | |a seasonal migration | |
| 700 | 1 | |a Berv, Jacob S |e verfasserin |4 aut | |
| 700 | 1 | |a Gulson-Castillo, Eric R |e verfasserin |4 aut | |
| 700 | 1 | |a Kimmitt, Abigail A |e verfasserin |4 aut | |
| 700 | 1 | |a Winger, Benjamin M |e verfasserin |4 aut | |
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