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Saraux C, Chiaradia A. Age‐related breeding success in little penguins: a result of selection and ontogenetic changes in foraging and phenology. ECOL MONOGR 2021. [DOI: 10.1002/ecm.1495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Claire Saraux
- DEPE UMR7178 IPHC CNRS‐Université de Strasbourg 23 rue du Loess 67037 Strasbourg France
| | - Andre Chiaradia
- Conservation Department Phillip Island Nature Parks PO Box 97 Cowes Victoria 3922 Australia
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2
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How king penguins advertise their sexual maturity. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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3
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Telomere lengths correlate with fitness but assortative mating by telomeres confers no benefit to fledgling recruitment. Sci Rep 2021; 11:5463. [PMID: 33750872 PMCID: PMC7943796 DOI: 10.1038/s41598-021-85068-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/22/2021] [Indexed: 02/07/2023] Open
Abstract
Assortative mating by telomere lengths has been observed in several bird species, and in some cases may increase fitness of individuals. Here we examined the relationship between telomere lengths of Blue-footed Booby (Sula nebouxii) mates, long-lived colonial seabirds with high annual divorce rates. We tested the hypothesis that interactions between maternal and paternal telomere lengths affect offspring and parental survival. We found that relative telomere lengths (RTL) were strongly positively correlated between members of a breeding pair. In addition, RTL of both parents interacted to predict fledgling recruitment, although fledglings with two very long-RTL parents performed only averagely. Telomere lengths also predicted adult survival: birds with long telomeres were more likely to survive, but birds whose mate had long telomeres were less likely to survive. Thus, having long telomeres benefits survival, while choosing a mate with long telomeres benefits reproductive output while penalizing survival. These patterns demonstrate that while a breeder's RTL predicts offspring quality, assortative mating by RTL does not enhance fitness, and a trade-off between different components of fitness may govern patterns of assortative mating by telomere length. They also illustrate how testing the adaptive value of only one parent’s telomere length on either survival or reproductive success alone may provide equivocal results.
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Remot F, Ronget V, Froy H, Rey B, Gaillard JM, Nussey DH, Lemaître JF. No sex differences in adult telomere length across vertebrates: a meta-analysis. ROYAL SOCIETY OPEN SCIENCE 2020; 7:200548. [PMID: 33391781 PMCID: PMC7735339 DOI: 10.1098/rsos.200548] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 09/29/2020] [Indexed: 06/12/2023]
Abstract
In many mammalian species, females live on average longer than males. In humans, women have consistently longer telomeres than men, and this has led to speculation that sex differences in telomere length (TL) could play a role in sex differences in longevity. To address the generality and drivers of patterns of sex differences in TL across vertebrates, we performed meta-analyses across 51 species. We tested two main evolutionary hypotheses proposed to explain sex differences in TL, namely the heterogametic sex disadvantage and the sexual selection hypotheses. We found no support for consistent sex differences in TL between males and females among mammal, bird, fish and reptile species. This absence of sex differences in TL across different classes of vertebrates does not support the heterogametic sex disadvantage hypothesis. Likewise, the absence of any negative effect of sexual size dimorphism on male TL suggests that sexual selection is not likely to mediate the magnitude of sex differences in TL across vertebrates. Finally, the comparative analyses we conducted did not detect any association between sex differences in TL and sex differences in longevity, which does not support the idea that sex differences in TL could explain the observed sex differences in longevity.
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Affiliation(s)
- Florentin Remot
- Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, UMR5558, F-69622 Villeurbanne, France
| | - Victor Ronget
- Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, UMR5558, F-69622 Villeurbanne, France
| | - Hannah Froy
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3FL, UK
- Centre for Biodiversity Dynamics, Norwegian University of Science and Technology, Trondheim, Norway
| | - Benjamin Rey
- Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, UMR5558, F-69622 Villeurbanne, France
| | - Jean-Michel Gaillard
- Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, UMR5558, F-69622 Villeurbanne, France
| | - Daniel H. Nussey
- Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3FL, UK
| | - Jean-François Lemaître
- Université de Lyon, Université Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, UMR5558, F-69622 Villeurbanne, France
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Viblanc VA, Schull Q, Stier A, Durand L, Lefol E, Robin J, Zahn S, Bize P, Criscuolo F. Foster rather than biological parental telomere length predicts offspring survival and telomere length in king penguins. Mol Ecol 2020; 29:3155-3167. [DOI: 10.1111/mec.15485] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/08/2020] [Accepted: 05/19/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Vincent A. Viblanc
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
- Centre d’Ecologie Fonctionnelle et Evolutive UMR 5175, IRD, CNRS, EPHE Université de Montpellier, Université Paul Valéry Montpellier 3 Montpellier France
| | - Quentin Schull
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
- MARBEC IFREMER, IRD CNRSUniversité de Montpellier Sète France
| | - Antoine Stier
- Department of Biology University of Turku Turku Finland
| | - Laureline Durand
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
- IPEV – Institut Polaire Français Paul Emile Victor Plouzané France
| | - Emilie Lefol
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
- IPEV – Institut Polaire Français Paul Emile Victor Plouzané France
| | - Jean‐Patrice Robin
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
| | - Sandrine Zahn
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
| | - Pierre Bize
- School of Biological Sciences University of Aberdeen Aberdeen UK
| | - François Criscuolo
- Institut Pluridisciplinaire Hubert Curien UMR 7178Université de StrasbourgCNRS Strasbourg France
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6
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Sudyka J. Does Reproduction Shorten Telomeres? Towards Integrating Individual Quality with Life‐History Strategies in Telomere Biology. Bioessays 2019; 41:e1900095. [DOI: 10.1002/bies.201900095] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 09/03/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Joanna Sudyka
- Wild Urban Evolution and Ecology LabCentre of New Technologies (CeNT)University of Warsaw 02‐097 Warsaw Poland
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