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Rutschmann A, Perry C, Le Galliard JF, Dupoué A, Lourdais O, Guillon M, Brusch G, Cote J, Richard M, Clobert J, Miles DB. Ecological responses of squamate reptiles to nocturnal warming. Biol Rev Camb Philos Soc 2024; 99:598-621. [PMID: 38062628 DOI: 10.1111/brv.13037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 11/27/2023] [Accepted: 11/27/2023] [Indexed: 03/06/2024]
Abstract
Nocturnal temperatures are increasing at a pace exceeding diurnal temperatures in most parts of the world. The role of warmer nocturnal temperatures in animal ecology has received scant attention and most studies focus on diurnal or daily descriptors of thermal environments' temporal trends. Yet, available evidence from plant and insect studies suggests that organisms can exhibit contrasting physiological responses to diurnal and nocturnal warming. Limiting studies to diurnal trends can thus result in incomplete and misleading interpretations of the ability of species to cope with global warming. Although they are expected to be impacted by warmer nocturnal temperatures, insufficient data are available regarding the night-time ecology of vertebrate ectotherms. Here, we illustrate the complex effects of nocturnal warming on squamate reptiles, a keystone group of vertebrate ectotherms. Our review includes discussion of diurnal and nocturnal ectotherms, but we mainly focus on diurnal species for which nocturnal warming affects a period dedicated to physiological recovery, and thus may perturb activity patterns and energy balance. We first summarise the physical consequences of nocturnal warming on habitats used by squamate reptiles. Second, we describe how such changes can alter the energy balance of diurnal species. We illustrate this with empirical data from the asp viper (Vipera aspis) and common wall lizard (Podarcis muralis), two diurnal species found throughout western Europe. Third, we make use of a mechanistic approach based on an energy-balance model to draw general conclusions about the effects of nocturnal temperatures. Fourth, we examine how warmer nights may affect squamates over their lifetime, with potential consequences on individual fitness and population dynamics. We review quantitative evidence for such lifetime effects using recent data derived from a range of studies on the European common lizard (Zootoca vivipara). Finally, we consider the broader eco-evolutionary ramifications of nocturnal warming and highlight several research questions that require future attention. Our work emphasises the importance of considering the joint influence of diurnal and nocturnal warming on the responses of vertebrate ectotherms to climate warming.
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Affiliation(s)
- Alexis Rutschmann
- Station d'Ecologie Théorique et Expérimentale de Moulis, CNRS UAR2029, 02 route du CNRS, Moulis, 09200, France
| | - Constant Perry
- Station d'Ecologie Théorique et Expérimentale de Moulis, CNRS UAR2029, 02 route du CNRS, Moulis, 09200, France
| | - Jean-François Le Galliard
- Sorbonne Université, CNRS, UMR 7618, IRD, INRAE, Institut d'écologie et des sciences de l'environnement (iEES Paris), Tours 44-45, 4 Place Jussieu, Paris, 75005, France
- Département de Biologie, Ecole Normale Supérieure, PSL Research University, CNRS, UMS 3194, Centre de Recherche en écologie expérimentale et Prédictive (CEREEP-Ecotron IleDeFrance), 78 rue du château, Saint-Pierre-Lès-Nemours, 77140, France
| | - Andréaz Dupoué
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, 1625 Rte de Sainte-Anne, Plouzané, 29280, France
| | - Olivier Lourdais
- Centre d'Etudes Biologiques de Chizé, CNRS UMR 7372-Université de La Rochelle, 405 Route de Prissé la Charrière, Villiers-en-Bois, 79630, France
- School of Life Sciences, Arizona State University, Life Sciences Center Building, 427E Tyler Mall, Tempe, AZ, 85281, USA
| | - Michaël Guillon
- Centre d'Etudes Biologiques de Chizé, CNRS UMR 7372-Université de La Rochelle, 405 Route de Prissé la Charrière, Villiers-en-Bois, 79630, France
- Cistude Nature, Chemin du Moulinat-33185, Le Haillan, France
| | - George Brusch
- Department of Biological Sciences, California State University San Marcos, 333 S. Twin Oaks Valley Rd., San Marcos, CA, 92096, USA
| | - Julien Cote
- Laboratoire Evolution et Diversité Biologique (EDB), UMR5174, Université Toulouse 3 Paul Sabatier, CNRS, IRD, 118 Rte de Narbonne, Toulouse, 31077, France
| | - Murielle Richard
- Station d'Ecologie Théorique et Expérimentale de Moulis, CNRS UAR2029, 02 route du CNRS, Moulis, 09200, France
| | - Jean Clobert
- Station d'Ecologie Théorique et Expérimentale de Moulis, CNRS UAR2029, 02 route du CNRS, Moulis, 09200, France
| | - Donald B Miles
- Department of Biological Sciences, 131 Life Science Building, Ohio University, Athens, OH, 45701, USA
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Gilbert E, Žagar A, López-Darias M, Megía-Palma R, Lister KA, Jones MD, Carretero MA, Serén N, Beltran-Alvarez P, Valero KCW. Environmental factors influence cross-talk between a heat shock protein and an oxidative stress protein modification in the lizard Gallotia galloti. PLoS One 2024; 19:e0300111. [PMID: 38470891 DOI: 10.1371/journal.pone.0300111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 02/21/2024] [Indexed: 03/14/2024] Open
Abstract
Better understanding how organisms respond to their abiotic environment, especially at the biochemical level, is critical in predicting population trajectories under climate change. In this study, we measured constitutive stress biomarkers and protein post-translational modifications associated with oxidative stress in Gallotia galloti, an insular lizard species inhabiting highly heterogeneous environments on Tenerife. Tenerife is a small volcanic island in a relatively isolated archipelago off the West coast of Africa. We found that expression of GRP94, a molecular chaperone protein, and levels of protein carbonylation, a marker of cellular stress, change across different environments, depending on solar radiation-related variables and topology. Here, we report in a wild animal population, cross-talk between the baseline levels of the heat shock protein-like GRP94 and oxidative damage (protein carbonylation), which are influenced by a range of available temperatures, quantified through modelled operative temperature. This suggests a dynamic trade-off between cellular homeostasis and oxidative damage in lizards adapted to this thermally and topologically heterogeneous environment.
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Affiliation(s)
- Edward Gilbert
- School of Natural Sciences, The University of Hull, Hull, United Kingdom
- Energy and Environment Institute, The University of Hull, Hull, United Kingdom
| | - Anamarija Žagar
- National Institute of Biology, Ljubljana, Slovenia
- CIBIO Research Centre in Biodiversity and Genetic Resources, InBIO, Universidade do Porto Campus de Vairão, Vairão, Portugal
| | - Marta López-Darias
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), La Laguna, Tenerife, Canary Islands, Spain
| | - Rodrigo Megía-Palma
- CIBIO Research Centre in Biodiversity and Genetic Resources, InBIO, Universidade do Porto Campus de Vairão, Vairão, Portugal
- Universidad de Alcalá (UAH), Biomedicine and Biotechnology, Alcalá de Henares, Madrid, Spain
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, Vairão, Portugal
| | - Karen A Lister
- Biomedical Institute for Multimorbidity, Centre for Biomedicine, Hull York Medical School, The University of Hull, Hull, United Kingdom
| | - Max Dolton Jones
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA, United States of America
| | - Miguel A Carretero
- CIBIO Research Centre in Biodiversity and Genetic Resources, InBIO, Universidade do Porto Campus de Vairão, Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Nina Serén
- CIBIO Research Centre in Biodiversity and Genetic Resources, InBIO, Universidade do Porto Campus de Vairão, Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, Vairão, Portugal
- Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Pedro Beltran-Alvarez
- Biomedical Institute for Multimorbidity, Centre for Biomedicine, Hull York Medical School, The University of Hull, Hull, United Kingdom
| | - Katharina C Wollenberg Valero
- School of Natural Sciences, The University of Hull, Hull, United Kingdom
- School of Biology and Environmental Science, University College Dublin, Belfield Campus, Dublin, Ireland
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3
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Birch G, Meniri M, Cant MA, Blount JD. Defence against the intergenerational cost of reproduction in males: oxidative shielding of the germline. Biol Rev Camb Philos Soc 2024; 99:70-84. [PMID: 37698166 DOI: 10.1111/brv.13012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 08/09/2023] [Accepted: 08/11/2023] [Indexed: 09/13/2023]
Abstract
Reproduction is expected to carry an oxidative cost, yet in many species breeders appear to sustain lower levels of oxidative damage compared to non-breeders. This paradox may be explained by considering the intergenerational costs of reproduction. Specifically, a reduction in oxidative damage upon transitioning to a reproductive state may represent a pre-emptive shielding strategy to protect the next generation from intergenerational oxidative damage (IOD) - known as the oxidative shielding hypothesis. Males may be particularly likely to transmit IOD, because sperm are highly susceptible to oxidative damage. Yet, the possibility of male-mediated IOD remains largely uninvestigated. Here, we present a conceptual and methodological framework to assess intergenerational costs of reproduction and oxidative shielding of the germline in males. We discuss variance in reproductive costs and expected payoffs of oxidative shielding according to species' life histories, and the expected impact on offspring fitness. Oxidative shielding presents an opportunity to incorporate intergenerational effects into the advancing field of life-history evolution.
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Affiliation(s)
- Graham Birch
- Centre for Ecology & Conservation, Faculty of Environment, Science & Economy, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
| | - Magali Meniri
- Centre for Ecology & Conservation, Faculty of Environment, Science & Economy, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
| | - Michael A Cant
- Centre for Ecology & Conservation, Faculty of Environment, Science & Economy, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
| | - Jonathan D Blount
- Centre for Ecology & Conservation, Faculty of Environment, Science & Economy, University of Exeter, Penryn Campus, Cornwall, TR10 9FE, UK
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Dupoué A, Mello DF, Trevisan R, Dubreuil C, Queau I, Petton S, Huvet A, Guével B, Com E, Pernet F, Salin K, Fleury E, Corporeau C. Intertidal limits shape covariation between metabolic plasticity, oxidative stress and telomere dynamics in Pacific oyster (Crassostrea gigas). MARINE ENVIRONMENTAL RESEARCH 2023; 191:106149. [PMID: 37611374 DOI: 10.1016/j.marenvres.2023.106149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023]
Abstract
In intertidal zones, species such as sessile shellfish exhibit extended phenotypic plasticity to face rapid environmental changes, but whether frequent exposure to intertidal limits of the distribution range impose physiological costs for the animal remains elusive. Here, we explored how phenotypic plasticity varied along foreshore range at multiple organization levels, from molecular to cellular and whole organism acclimatization, in the Pacific oyster (Crassostrea gigas). We exposed 7-month-old individuals for up to 16 months to three foreshore levels covering the vertical range for this species, representing 20, 50 and 80% of the time spent submerged monthly. Individuals at the upper range limit produced energy more efficiently, as seen by steeper metabolic reactive norms and unaltered ATP levels despite reduced mitochondrial density. By spending most of their time emerged, oysters mounted an antioxidant shielding concomitant with lower levels of pro-oxidant proteins and postponed age-related telomere attrition. Instead, individuals exposed at the lower limit range near subtidal conditions showed lower energy efficiencies, greater oxidative stress and shorter telomere length. These results unraveled the extended acclimatization strategies and the physiological costs of living too fast in subtidal conditions for an intertidal species.
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Affiliation(s)
- Andréaz Dupoué
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France.
| | | | - Rafael Trevisan
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France; Laboratoire Environnement Ressources Bretagne Occidentale (LER/BO), Ifremer, 29900, Concarneau, France
| | - Christine Dubreuil
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Isabelle Queau
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Sébastien Petton
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Arnaud Huvet
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Blandine Guével
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000, Rennes, France; Univ Rennes, CNRS, Inserm, Biosit UAR 3480 US_S 018, Protim Core Facility, F-35000, Rennes, France
| | - Emmanuelle Com
- Univ Rennes, Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement et Travail) - UMR_S 1085, F-35000, Rennes, France; Univ Rennes, CNRS, Inserm, Biosit UAR 3480 US_S 018, Protim Core Facility, F-35000, Rennes, France
| | - Fabrice Pernet
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Karine Salin
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
| | - Elodie Fleury
- Ifremer, Univ Brest, CNRS, IRD, UMR 6539, LEMAR, F-29280, Plouzane, France
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Nie Y, Wang Z, Yu S, Zhang L, Liu R, Liu Y, Zhu W, Zhou Z, Diao J. The combined effects of atrazine and warming on environmental adaptability in lizards (Eremias argus) from the perspective of a life-history traits trade-off: Gender differences in trade-off strategies may reverse mortality risk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:163078. [PMID: 36972889 DOI: 10.1016/j.scitotenv.2023.163078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/15/2023] [Accepted: 03/22/2023] [Indexed: 05/17/2023]
Abstract
Life-history theory suggests that organisms must distribute a limited share of their energetic resources among competing life-history trait demands. Therefore, the trade-off strategies individuals develop for particular life-history traits in a given environment may profoundly impact their environmental adaptability. In this study, lizards (Eremias. argus) were exposed to single and combined atrazine (4.0 mg·kg-1 and 20.0 mg·kg-1) and different temperatures (25 °C and 30 °C) for 8 weeks during the breeding season. The effects of atrazine and warming on the adaptability of lizards were explored by examining changes in trade-offs via several key life history traits (i.e., reproduction, self-maintenance, energy reserves, and locomotion). The results show that after atrazine exposure at 25 °C, both female and male lizards tended to allocate energy to self-maintenance by reducing energy allocation to reproductive process. The lower energy reserves of males are considered a "risky" life-history strategy and the observed higher mortality may be related to atrazine-induced oxidative damage. The retention of energy reserves by females not only ensured their current survival but also facilitated survival and reproduction in subsequent stages, which can be regarded as a "conservative" strategy. However, under high temperature and/or combined atrazine exposure, the "risky" strategy of males caused them to consume more energy reserves to invest in self-maintenance, which ensured their immediate survival, and profited from more rapid degradation of atrazine. In contrast, the "conservative" strategy of females could not meet their higher reproductive and self-maintenance demands under high temperatures, and the elevated reproductive oxidative and metabolic costs led to individual mortality. Gender differences in life-history trade-off strategies can directly lead to "winners" and "losers" from environmental stress within a species.
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Affiliation(s)
- Yufan Nie
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Zikang Wang
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Simin Yu
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Luyao Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Rui Liu
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Yuping Liu
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Wentao Zhu
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Zhiqiang Zhou
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China
| | - Jinling Diao
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China.
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6
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Messina S, Costantini D, Eens M. Impacts of rising temperatures and water acidification on the oxidative status and immune system of aquatic ectothermic vertebrates: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 868:161580. [PMID: 36646226 DOI: 10.1016/j.scitotenv.2023.161580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/21/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
Species persistence in the Anthropocene is dramatically threatened by global climate change. Large emissions of carbon dioxide (CO2) from human activities are driving increases in mean temperature, intensity of heatwaves, and acidification of oceans and freshwater bodies. Ectotherms are particularly sensitive to CO2-induced stressors, because the rate of their metabolic reactions, as well as their immunological performance, are affected by environmental temperatures and water pH. We reviewed and performed a meta-analysis of 56 studies, involving 1259 effect sizes, that compared oxidative status or immune function metrics between 42 species of ectothermic vertebrates exposed to long-term increased temperatures or water acidification (≥48 h), and those exposed to control parameters resembling natural conditions. We found that CO2-induced stressors enhance levels of molecular oxidative damages in ectotherms, while the activity of antioxidant enzymes was upregulated only at higher temperatures, possibly due to an increased rate of biochemical reactions dependent on the higher ambient temperature. Differently, both temperature and water acidification showed weak impacts on immune function, indicating different direction (increase or decrease) of responses among immune traits. Further, we found that the intensity of temperature treatments (Δ°C) and their duration, enhance the physiological response of ectotherms, pointing to stronger effects of prolonged extreme warming events (i.e., heatwaves) on the oxidative status. Finally, adult individuals showed weaker antioxidant enzymatic responses to an increase in water temperature compared to early life stages, suggesting lower acclimation capacity. Antarctic species showed weaker antioxidant response compared to temperate and tropical species, but level of uncertainty in the antioxidant enzymatic response of Antarctic species was high, thus pairwise comparisons were statistically non-significant. Overall, the results of this meta-analysis indicate that the regulation of oxidative status might be one key mechanism underlying thermal plasticity in aquatic ectothermic vertebrates.
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Affiliation(s)
- Simone Messina
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium; Department of Ecological and Biological Sciences, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy.
| | - David Costantini
- Department of Ecological and Biological Sciences, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy; Unité Physiologie Moléculaire et Adaptation, UMR 7221, Muséum National d'Histoire Naturelle, CNRS - 7 rue Cuvier, 75005 Paris, France
| | - Marcel Eens
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
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Di Majo D, Sardo P, Giglia G, Di Liberto V, Zummo FP, Zizzo MG, Caldara GF, Rappa F, Intili G, van Dijk RM, Gallo D, Ferraro G, Gambino G. Correlation of Metabolic Syndrome with Redox Homeostasis Biomarkers: Evidence from High-Fat Diet Model in Wistar Rats. Antioxidants (Basel) 2022; 12:antiox12010089. [PMID: 36670955 PMCID: PMC9854509 DOI: 10.3390/antiox12010089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/24/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023] Open
Abstract
Metabolic Syndrome (MetS) is an extremely complex disease. A non-balanced diet such as high-fat diet (HFD) induces metabolic dysfunction that could modify redox homeostasis. We here aimed at exploring redox homeostasis in male Wistar rats, following 8 weeks of HFD, correlating the eventual modification of selected biomarkers that could be associated with the clinical manifestations of MetS. Therefore, we selected parameters relative to both the glucose tolerance and lipid altered metabolism, but also oxidative pattern. We assessed some biomarkers of oxidative stress i.e., thiols balance, lipid peroxidation and antioxidant barriers, via the use of specific biochemical assays, individuating eventual cross correlation with parameters relative to MetS through a Principal Component Analysis (PCA). The present study shows that 8 weeks of HFD induce MetS in rats, altering glucose and lipid homeostasis and increasing visceral adipose tissue, but also impairing the physiological antioxidant responses that could not counteract the oxidative stress condition. Crucially, cross-correlation analysis suggested that the assessment of specific oxidative stress parameters reported here can provide information comparable to the more widely acquired biomarkers of Mets such as glucose tolerance. Lastly, hepatic steatosis in association with the oxidative stress condition was also highlighted by histological analysis. This research will elucidate the fundamental impact of these oxidative stress parameters on MetS induced in the HFD rat model, tracing paths for developing prevention approaches.
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Affiliation(s)
- Danila Di Majo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
- Postgraduate School of Nutrition and Food Science, University of Palermo, 90100 Palermo, Italy
| | - Pierangelo Sardo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
- Postgraduate School of Nutrition and Food Science, University of Palermo, 90100 Palermo, Italy
| | - Giuseppe Giglia
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
- Euro Mediterranean Institute of Science and Technology, I.E.ME.S.T, 90139 Palermo, Italy
| | - Valentina Di Liberto
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Francesco Paolo Zummo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Maria Grazia Zizzo
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
- ATeN (Advanced Technologies Network) Center, Viale delle Scienze, 90128 Palermo, Italy
| | | | - Francesca Rappa
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Giorgia Intili
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | | | - Daniele Gallo
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Giuseppe Ferraro
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
- Postgraduate School of Nutrition and Food Science, University of Palermo, 90100 Palermo, Italy
| | - Giuditta Gambino
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
- Correspondence: ; Tel./Fax: +39-09123865843
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8
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Brusch GA, Le Galliard J, Viton R, Gavira RSB, Clobert J, Lourdais O. Reproducing in a changing world: combined effects of thermal conditions by day and night and of water constraints during pregnancy in a cold‐adapted ectotherm. OIKOS 2022. [DOI: 10.1111/oik.09536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- George A. Brusch
- Biological Sciences, California State Univ. San Marcos San Marcos CA USA
| | - Jean‐François Le Galliard
- Sorbonne Univ., CNRS, IRD, INRAe, Inst. d'Écologie et des Sciences de l'Environnement (IEES) Paris Cedex 5 France
- Ecole Normale Supérieure, PSL Univ., Dépt de Biologie, CNRS, UMS 3194, Centre de Recherche en Écologie Expérimentale et Prédictive (CEREEP‐Ecotron IleDeFrance) Saint‐Pierre‐lès‐Nemours France
| | - Robin Viton
- Centre d'Etudes Biologiques de Chizé, CNRS Villiers en Bois France
| | | | - Jean Clobert
- Station d'Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321 Saint Girons France
| | - Olivier Lourdais
- Centre d'Etudes Biologiques de Chizé, CNRS Villiers en Bois France
- School of Life Sciences, Arizona State Univ. Tempe AZ USA
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9
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Clavijo-Baquet S, Orellana MJ, Sabat P, Bozinovic F. How do ectotherms perform in cold environments? Physiological and life-history traits in an Andean viviparous lizard. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.974968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Both the mean and the variation in environmental temperature are increasing globally. Indeed, the predicted increases in temperature range from 2 to 4°C in the next 50 years. Ectotherms control body temperature by means of behavior selecting microsites with different temperatures, which makes them more susceptible to changes in climate. Nevertheless, lizards living in high mountain environments have developed several mechanisms to inhabit and colonize variable environments with extreme temperatures. These mechanisms include a high metabolism to be active at lower temperatures and viviparity to improve embryonic development. Despite behavioral thermoregulation acting as a buffer to changes in environmental temperature, other traits such as life-history traits may be less flexible. Consequently, in an attempt to understand how lizards cope with harsh habitats, we evaluated some physiological traits and responses of females of Liolaemus bellii from two contrasting slope sites with differences in environmental temperature and humidity, but at the same altitude in the southern Andes range. We collected pregnant females from opposite slopes and maintained them until parturition in a common-garden experiment. Females from the south-facing slope (S-slope) had higher preferred body temperature (Tpref) values before and after parturition and exhibited higher daily energy expenditure before parturition. Nevertheless, no difference in Tpref was shown by their offspring, suggesting a developmental plastic response or adaptation to lower environmental temperature. For instance, the higher metabolism during pregnancy could be associated with a shorter activity period on the snowy S-slope. Additionally, females from the S-slope had larger kidneys and gave birth later than N-slope females, likely due to developmental plasticity or genetic differentiation. How fixed these traits are, in individuals from the contrasting slopes, will determine the response capacity of the L. bellii population to climate change.
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10
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Zhang H, Zhang X, Xu T, Li X, Storey KB, Chen Q, Niu Y. Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri. J Therm Biol 2022; 110:103355. [DOI: 10.1016/j.jtherbio.2022.103355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 09/20/2022] [Accepted: 09/28/2022] [Indexed: 11/29/2022]
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11
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Lizards from warm and declining populations are born with extremely short telomeres. Proc Natl Acad Sci U S A 2022; 119:e2201371119. [PMID: 35939680 PMCID: PMC9388115 DOI: 10.1073/pnas.2201371119] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Aging is the price to pay for acquiring and processing energy through cellular activity and life history productivity. Climate warming can exacerbate the inherent pace of aging, as illustrated by a faster erosion of protective telomere DNA sequences. This biomarker integrates individual pace of life and parental effects through the germline, but whether intra- and intergenerational telomere dynamics underlies population trends remains an open question. Here, we investigated the covariation between life history, telomere length (TL), and extinction risk among three age classes in a cold-adapted ectotherm (Zootoca vivipara) facing warming-induced extirpations in its distribution limits. TL followed the same threshold relationships with population extinction risk at birth, maturity, and adulthood, suggesting intergenerational accumulation of accelerated aging rate in declining populations. In dwindling populations, most neonates inherited already short telomeres, suggesting they were born physiologically old and unlikely to reach recruitment. At adulthood, TL further explained females' reproductive performance, switching from an index of individual quality in stable populations to a biomarker of reproductive costs in those close to extirpation. We compiled these results to propose the aging loop hypothesis and conceptualize how climate-driven telomere shortening in ectotherms may accumulate across generations and generate tipping points before local extirpation.
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12
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Sandfoss MR, Brischoux F, Lillywhite HB. Intraspecific investigation of dehydration-enhanced innate immune performance and endocrine stress response to sublethal dehydration in a semi-aquatic species of pit viper. J Exp Biol 2022; 225:276533. [PMID: 35946379 DOI: 10.1242/jeb.243894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 08/03/2022] [Indexed: 11/20/2022]
Abstract
Sublethal dehydration can cause negative physiological effects, but recent studies investigating the sub-lethal effects of dehydration on innate immune performance in reptiles have found a positive correlation between innate immune response and plasma osmolality. To investigate if this is an adaptive trait that evolved in response to dehydration in populations inhabiting water-scarce environments, we sampled free-ranging cottonmouths (n=26 adult cottonmouths) from two populations inhabiting contrasting environments in terms of water availability: Snake Key (n=12), an island with no permanent sources of fresh water and Paynes Prairie (n=14), a flooded freshwater prairie. In addition to field surveys, we manipulated the hydration state of 17 cottonmouths (Paynes Prairie n=9, Snake Key n=8) in a laboratory setting and measured the response of corticosterone and innate immune performance to dehydration with the aim of identifying any correlation or trade-offs between them. We measured corticosterone of cottonmouths at a baseline level and then again following a 60-min stress test when at three hydration states: hydrated, dehydrated, and rehydrated. We found that innate immune performance improved with dehydration and then returned to baseline levels within 48 hours of rehydration, which agrees with previous research in reptiles. Despite the frequent exposure of cottonmouths on Snake Key to dehydrating conditions, we did not find cottonmouths inhabiting the island to show a greater magnitude or more prolonged immune response compared to cottonmouths from Paynes Prairie. We also found a positive association between dehydration and corticosterone values.
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Affiliation(s)
- Mark R Sandfoss
- Department of Biology, University of Florida, Gainesville, Florida, USA
| | - François Brischoux
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS and La Rochelle Université, 79360 Villiers en Bois, France
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13
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Lorrain-Soligon L, Robin F, Brischoux F. Hydric status influences salinity-dependent water selection in frogs from coastal wetlands. Physiol Behav 2022; 249:113775. [PMID: 35259400 DOI: 10.1016/j.physbeh.2022.113775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 11/17/2022]
Abstract
The environment is heterogeneous across spatial and temporal scales, and the behavioural responses required to adjust individuals' needs to resource availability across such variable environments should be under selective pressure. Coastal wetlands are characterized by a diversity of habitats ranging from fresh- to salt water; and individuals occurring in such complex habitats need to adjust their habitat use based on their osmotic status. In this study, we experimentally tested whether an amphibian species (Pelophylax sp.) occurring in coastal wetlands was able to discriminate and select between different salinity concentrations (0, 4, 8 and 12 g.l-1) and whether hydric status (hydrated versus dehydrated) influenced salinity-dependent water selection. We found that frogs selected water based on salinity differentially between hydrated and dehydrated individuals, with the later favoring lower salinities likely to improve their osmotic status. Interestingly, we highlighted the ability of frogs to select lower salinity before having access to water, suggesting that frogs can assess water salinity without actual contact. In coastal wetlands where salinity of water bodies can dynamically vary through space and time, such behavioural osmoregulation process is potentially a key factor affecting individual movements, habitat choice and thus species distribution. Our study further highlights the importance of salinity-dependent habitat heterogeneity and especially the presence of freshwater environments as structuring factors for the amphibian community.
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Affiliation(s)
- Léa Lorrain-Soligon
- Centre d'Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS - La Rochelle Université, 79360 Villiers en Bois, France.
| | - Frédéric Robin
- LPO France, Fonderies Royales, 17300 Rochefort, France; Réserve naturelle de Moëze-Oléron, LPO, Plaisance, 17 780 Saint-Froult, France
| | - François Brischoux
- Centre d'Etudes Biologiques de Chizé, CEBC UMR 7372 CNRS - La Rochelle Université, 79360 Villiers en Bois, France
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14
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Meniri M, Evans E, Thompson FJ, Marshall HH, Nichols HJ, Lewis G, Holt L, Davey E, Mitchell C, Johnstone RA, Cant MA, Blount JD. Untangling the oxidative cost of reproduction: An analysis in wild banded mongooses. Ecol Evol 2022; 12:e8644. [PMID: 35342583 PMCID: PMC8928901 DOI: 10.1002/ece3.8644] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 01/15/2022] [Indexed: 02/02/2023] Open
Abstract
The cost of reproduction plays a central role in evolutionary theory, but the identity of the underlying mechanisms remains a puzzle. Oxidative stress has been hypothesized to be a proximate mechanism that may explain the cost of reproduction. We examine three pathways by which oxidative stress could shape reproduction. The “oxidative cost” hypothesis proposes that reproductive effort generates oxidative stress, while the “oxidative constraint” and “oxidative shielding” hypotheses suggest that mothers mitigate such costs through reducing reproductive effort or by pre‐emptively decreasing damage levels, respectively. We tested these three mechanisms using data from a long‐term food provisioning experiment on wild female banded mongooses (Mungos mungo). Our results show that maternal supplementation did not influence oxidative stress levels, or the production and survival of offspring. However, we found that two of the oxidative mechanisms co‐occur during reproduction. There was evidence of an oxidative challenge associated with reproduction that mothers attempted to mitigate by reducing damage levels during breeding. This mitigation is likely to be of crucial importance, as long‐term offspring survival was negatively impacted by maternal oxidative stress. This study demonstrates the value of longitudinal studies of wild animals in order to highlight the interconnected oxidative mechanisms that shape the cost of reproduction.
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Affiliation(s)
- Magali Meniri
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Elsa Evans
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Faye J. Thompson
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Harry H. Marshall
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
- Whitelands College Centre for Research in Ecology, Evolution & Behaviour University of Roehampton London UK
| | | | - Gina Lewis
- Department of Biosciences Swansea University Swansea UK
| | - Lauren Holt
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Emma Davey
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Christopher Mitchell
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | | | - Michael A. Cant
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
| | - Jonathan D. Blount
- College of Life & Environmental Sciences Centre for Ecology & Conservation University of Exeter Penryn UK
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15
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Romero-Haro AÁ, Pérez-Rodríguez L, Tschirren B. Intergenerational Costs of Oxidative Stress: Reduced Fitness in Daughters of Mothers That Experienced High Levels of Oxidative Damage during Reproduction. Physiol Biochem Zool 2021; 95:1-14. [PMID: 34812695 DOI: 10.1086/717614] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractParental condition transfer effects occur when the parents' physiological state during reproduction affects offspring performance. Oxidative damage may mediate such effects, yet evidence that oxidative damage experienced by parents during reproduction negatively affects offspring fitness is scarce and limited to early life stages. We show in Japanese quail (Coturnix japonica) that maternal levels of oxidative damage, measured during reproduction, negatively predict the number of offspring produced by daughters. This maternal effect on daughters' reproductive success was mediated by an effect on hatching success rather than on the number of eggs laid by daughters. We also observed a negative association between fathers' oxidative damage levels and the number of eggs laid by daughters but a positive association between fathers' oxidative damage levels and the hatching success of those eggs. These opposing paternal effects canceled each other out, resulting in no overall effect on the number of offspring produced by daughters. No significant association between a female's own level of oxidative damage during reproduction and her reproductive success was observed. Our results suggest that oxidative damage experienced by parents is a better predictor of an individual's reproductive performance than oxidative damage experienced by the individual itself. Although the mechanisms underlying these parental condition transfer effects are currently unknown, changes in egg composition or (epi)genetic alterations of gametes may play a role. These findings highlight the importance of an intergenerational perspective when quantifying costs of physiological stress.
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16
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Ritchie DJ, Friesen CR. Invited review: Thermal effects on oxidative stress in vertebrate ectotherms. Comp Biochem Physiol A Mol Integr Physiol 2021; 263:111082. [PMID: 34571153 DOI: 10.1016/j.cbpa.2021.111082] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/07/2021] [Accepted: 09/16/2021] [Indexed: 10/20/2022]
Abstract
Human-induced climate change is occurring rapidly. Ectothermic organisms are particularly vulnerable to these temperature changes due to their reliance on environmental temperature. The extent of ectothermic thermal adaptation and plasticity in the literature is well documented; however, the role of oxidative stress in these processes needs more attention. Oxidative stress occurs when reactive oxygen species, generated mainly through aerobic respiration, overwhelm antioxidant defences and damage crucial biomolecules. The effects of oxidative damage include the alteration of life-history traits and reductions in whole-organism fitness. Here we review the literature addressing experimental temperature effects on oxidative stress in vertebrate ectotherms. Acute and acclimation temperature treatments produce distinctly different results and highlight the role of phylogeny and thermal adaptation in shaping oxidative stress responses. Acute treatments on organisms adapted to stable environments generally produced significant oxidative stress responses, whilst organisms adapted to variable conditions exhibited capacity to cope with temperature changes and mitigate oxidative stress. In acclimation treatments, the temperature treatments higher than optimal temperatures tended to produce significantly less oxidative stress than lower temperatures in reptiles, whilst in some eurythermal fish species, no oxidative stress response was observed. These results highlight the importance of phylogeny and adaptation to past environmental conditions for temperature-dependent oxidative stress responses. We conclude with recommendations on experimental procedures to investigate these phenomena with reference to thermal plasticity, adaptation and biogeographic variation that provide the most significant benefits to adaptable populations. These results have potential conservation ramifications as they may shed light on the physiological effects of temperature alterations in some vertebrate ectotherms.
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Affiliation(s)
- Daniel J Ritchie
- School of Earth, Atmospheric and Life Sciences, The University of Wollongong, 2522 Wollongong, New South Wales, Australia
| | - Christopher R Friesen
- School of Earth, Atmospheric and Life Sciences, The University of Wollongong, 2522 Wollongong, New South Wales, Australia; School of Life and Environmental Sciences, University of Sydney, Heydon-Laurence Bldg A08, Science Road, Sydney, NSW 2006, Australia.
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17
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Horreo JL, Jiménez-Valverde A, Fitze PS. Climatic niche differences among Zootoca vivipara clades with different parity modes: implications for the evolution and maintenance of viviparity. Front Zool 2021; 18:32. [PMID: 34183024 PMCID: PMC8240382 DOI: 10.1186/s12983-021-00403-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 03/28/2021] [Indexed: 12/02/2022] Open
Abstract
Parity mode (oviparity/viviparity) importantly affects the ecology, morphology, physiology, biogeography and evolution of organisms. The main hypotheses explaining the evolution and maintenance of viviparity are based on bioclimatic predictions and also state that the benefits of viviparity arise during the reproductive period. We identify the main climatic variables discriminating between viviparous and oviparous Eurasian common lizard (Zootoca vivipara) occurrence records during the reproductive period and over the entire year. Analyses based on the climates during the reproductive period show that viviparous clades inhabit sites with less variable temperature and precipitation. On the contrary, analyses based on the annual climates show that viviparous clades inhabit sites with more variable temperatures. Results from models using climates during reproduction are in line with the “selfish-mother hypothesis”, which can explain the success of viviparity, the maintenance of the two reproductive modes, and why viviparous individuals cannot colonize sites inhabited by oviparous ones (and vice versa). They suggest that during the reproductive period viviparity has an adaptive advantage over oviparity in less risky habitats thanks to the selfish behaviour of the mothers. Moreover, the results from both analyses stress that hypotheses about the evolution and maintenance of viviparity need to be tested during the reproductive period.
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Affiliation(s)
- J L Horreo
- Department of Genetics, Physiology and Microbiology, Complutense University of Madrid, C/José Antonio Novais 12, 28040, Madrid, Spain.,Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006, Madrid, Spain
| | - A Jiménez-Valverde
- Universidad de Alcalá, Departamento de Ciencias de la Vida, Grupo de Investigación de Biología del Suelo y de los Ecosistemas Subterráneos, A.P. 20 Campus Universitario, 28805, Alcalá de Henares, Madrid, Spain
| | - P S Fitze
- Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, 28006, Madrid, Spain.
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18
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Phenological and intrinsic predictors of mite and haemacoccidian infection dynamics in a Mediterranean community of lizards. Parasitology 2021; 148:1328-1338. [PMID: 34078494 PMCID: PMC8383277 DOI: 10.1017/s0031182021000858] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Ectotherms are vulnerable to environmental changes and their parasites are biological health indicators. Thus, parasite load in ectotherms is expected to show a marked phenology. This study investigates temporal host–parasite dynamics in a lizard community in Eastern Spain during an entire annual activity period. The hosts investigated were Acanthodactylus erythrurus, Psammodromus algirus and Psammodromus edwardsianus, three lizard species coexisting in a mixed habitat of forests and dunes, providing a range of body sizes, ecological requirements and life history traits. Habitat and climate were considered as potential environmental predictors of parasite abundance, while size, body condition and sex as intrinsic predictors. Linear models based on robust estimates were fitted to analyse parasite abundance and prevalence. Ectoparasitic mites and blood parasites from two haemococcidian genera were found: Lankesterella spp. and Schellackia spp. Habitat type was the only predictor explaining the abundance of all parasites, being mostly higher in the forest than in the dunes. The results suggest that particularities in each host–parasite relationship should be accounted even when parasites infect close-related hosts under the same environmental pressures. They also support that lizard parasites can be biomarkers of environmental perturbation, but the relationships need to be carefully interpreted for each host–parasite assemblage.
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19
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Rutschmann A, Dupoué A, Miles DB, Megía-Palma R, Lauden C, Richard M, Badiane A, Rozen-Rechels D, Brevet M, Blaimont P, Meylan S, Clobert J, Le Galliard JF. Intense nocturnal warming alters growth strategies, colouration and parasite load in a diurnal lizard. J Anim Ecol 2021; 90:1864-1877. [PMID: 33884616 DOI: 10.1111/1365-2656.13502] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 04/06/2021] [Indexed: 11/27/2022]
Abstract
In the past decades, nocturnal temperatures have been playing a disproportionate role in the global warming of the planet. Yet, they remain a neglected factor in studies assessing the impact of global warming on natural populations. Here, we question whether an intense augmentation of nocturnal temperatures is beneficial or deleterious to ectotherms. Physiological performance is influenced by thermal conditions in ectotherms and an increase in temperature by only 2°C is sufficient to induce a disproportionate increase in metabolic expenditure. Warmer nights may expand ectotherms' species thermal niche and open new opportunities for prolonged activities and improve foraging efficiency. However, increased activity may also have deleterious effects on energy balance if exposure to warmer nights reduces resting periods and elevates resting metabolic rate. We assessed whether warmer nights affected an individual's growth, dorsal skin colouration, thermoregulation behaviour, oxidative stress status and parasite load by exposing yearling common lizards (Zootoca vivipara) from four populations to either ambient or high nocturnal temperatures for approximately 5 weeks. Warmer nocturnal temperatures increased the prevalence of ectoparasitic infestation and altered allocation of resources towards structural growth rather than storage. We found no change in markers for oxidative stress. The thermal treatment did not influence thermal preferences, but influenced dorsal skin brightness and luminance, in line with a predicted acclimation response in colder environments to enhance heat gain from solar radiation. Altogether, our results highlight the importance of considering nocturnal warming as an independent factor affecting ectotherms' life history in the context of global climate change. .
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Affiliation(s)
- Alexis Rutschmann
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France.,School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Andréaz Dupoué
- INRA, IRD, CNRS, Institut d'Ecologie et des Sciences de l'Environnement de Paris (iEES)-Paris, Sorbonne Université, Paris, France
| | - Donald B Miles
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France.,Department of Biological Sciences, Ohio University, Athens, OH, USA
| | - Rodrigo Megía-Palma
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Vairão, Portugal.,School of Pharmacy, Department of Biomedicine and Biotechnology, Universidad de Alcalá, Alcalá de Henares, Spain
| | - Clémence Lauden
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France
| | - Murielle Richard
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France
| | - Arnaud Badiane
- INRA, IRD, CNRS, Institut d'Ecologie et des Sciences de l'Environnement de Paris (iEES)-Paris, Sorbonne Université, Paris, France
| | - David Rozen-Rechels
- INRA, IRD, CNRS, Institut d'Ecologie et des Sciences de l'Environnement de Paris (iEES)-Paris, Sorbonne Université, Paris, France.,Centre d'Études Biologiques de Chizé, CNRS, La Rochelle Université, Villiers-en-Bois, France
| | - Mathieu Brevet
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France
| | | | - Sandrine Meylan
- INRA, IRD, CNRS, Institut d'Ecologie et des Sciences de l'Environnement de Paris (iEES)-Paris, Sorbonne Université, Paris, France
| | - Jean Clobert
- USR5321, CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France
| | - Jean-François Le Galliard
- INRA, IRD, CNRS, Institut d'Ecologie et des Sciences de l'Environnement de Paris (iEES)-Paris, Sorbonne Université, Paris, France.,Centre de Recherche en Écologie Expérimentale et Prédictive (CEREEP-Ecotron Ile De France), Département de Biologie, Ecole Normale Supérieure, CNRS, PSL University, Saint-Pierre-lès-Nemours, France
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20
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Megía-Palma R, Arregui L, Pozo I, Žagar A, Serén N, Carretero MA, Merino S. Geographic patterns of stress in insular lizards reveal anthropogenic and climatic signatures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 749:141655. [PMID: 32836132 DOI: 10.1016/j.scitotenv.2020.141655] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/09/2020] [Accepted: 08/10/2020] [Indexed: 05/09/2023]
Abstract
Anthropization of insular ecosystems may have negative impacts on native populations of lizards, which provide core ecosystem services on islands. We aimed to identify environmental factors to explain the interlocal variation in faecal glucocorticoids, parasite intensity, and body condition in populations of insular lizards. A cross-sectional design during the summer of 2017 and 2018 was used to sample 611 adult lizards, Gallotia galloti. Interlocal variation of three stress indicators was analysed in response to environmental variables across a wide environmental gradient in Tenerife (Canary Islands): (i) concentration of faecal glucocorticoids, (ii) intensities of infection by hematic parasites, and (iii) body condition. The data, with low spatial autocorrelation, were analysed using multimodel inference and model cross-validation. Bioclimatic variables associated with the extreme hot and dry climate of summer were the most informative predictors. Interlocal variation in faecal corticosterone in males was best fitted to a model that included the maximum temperature of the warmest month, although the best predictor was habitat anthropization. The thermal annual range, associated with extreme thermal events, was positively related to faecal corticosterone in females. Extreme hot temperatures were positively related to the median parasite intensities in both sexes, while the highest mean intensities of infection were found in females from the most xeric coastal localities. None of the predictors tested, including faecal glucocorticoids, explained individual or interlocal variation in body condition. Effects of human pressure and climate change on insular populations of lizards can be additive. However, the uncoupled relationship found between body condition and the faecal glucocorticoid content suggests that current negative effects may be aggravated during drought periods in summer. Given the impact of climate change on islands, our results may be of application to other archipelagos, where lizards also play key ecological roles.
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Affiliation(s)
- R Megía-Palma
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal; Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales-CSIC, Calle José Gutiérrez Abascal 2, Madrid E-28006, Spain.
| | - L Arregui
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales-CSIC, Calle José Gutiérrez Abascal 2, Madrid E-28006, Spain
| | - I Pozo
- Geoimagine Ltd., Paseo de Ginebra 35, Madrid E-28022, Spain
| | - A Žagar
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal; Department of Organisms and Ecosystem Research, National Institute of Biology, Večna pot 111, SI-1000 Ljubljana, Slovenia
| | - N Serén
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal; Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - M A Carretero
- CIBIO, InBIO - Research Network in Biodiversity and Evolutionary Biology, Universidade do Porto, Campus de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal; Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - S Merino
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales-CSIC, Calle José Gutiérrez Abascal 2, Madrid E-28006, Spain
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21
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Dupoué A, Trochet A, Richard M, Sorlin M, Guillon M, Teulieres‐Quillet J, Vallé C, Rault C, Berroneau M, Berroneau M, Lourdais O, Blaimont P, Bertrand R, Pottier G, Calvez O, Guillaume O, Le Chevalier H, Souchet J, Le Galliard J, Clobert J, Aubret F. Genetic and demographic trends from rear to leading edge are explained by climate and forest cover in a cold‐adapted ectotherm. DIVERS DISTRIB 2020. [DOI: 10.1111/ddi.13202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Andréaz Dupoué
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
- iEES ParisSorbonne UniversitéCNRS, UMR 7618 Paris France
| | - Audrey Trochet
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Murielle Richard
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Mahaut Sorlin
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Michaël Guillon
- Cistude NatureChemin du Moulinat Le Haillan France
- Centre d’Etudes Biologiques de Chizé ‐ ULR CNRS UMR 7372 Beauvoir sur Niort France
| | | | - Clément Vallé
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Cyrielle Rault
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | | | | | - Olivier Lourdais
- Centre d’Etudes Biologiques de Chizé ‐ ULR CNRS UMR 7372 Beauvoir sur Niort France
| | - Pauline Blaimont
- Department of Ecology and Evolutionary Biology University of California Santa Cruz, Santa Cruz California USA
- Department of Biology Rider University Lawrenceville New Jersey USA
| | - Romain Bertrand
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Gilles Pottier
- Nature en Occitanie Maison de l’Environnement de Midi‐Pyrénées Toulouse France
| | - Olivier Calvez
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Olivier Guillaume
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Hugo Le Chevalier
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Jérémie Souchet
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Jean‐François Le Galliard
- Cistude NatureChemin du Moulinat Le Haillan France
- Centre de recherche en écologie expérimentale et prédictive (CEREEP‐Ecotron IleDeFrance) Ecole normale supérieureCNRS UMS 3194 Saint‐Pierre‐lès‐Nemours France
| | - Jean Clobert
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
| | - Fabien Aubret
- Station d’Ecologie Théorique et Expérimentale de Moulis CNRS UMR 5321 Saint Girons France
- Behavioural Ecology Lab School of Molecular and Life Sciences Curtin University Bentley West Australia Australia
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22
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Liparoto A, Canestrelli D, Bisconti R, Carere C, Costantini D. Biogeographic history moulds population differentiation in ageing of oxidative status in an amphibian. J Exp Biol 2020; 223:jeb235002. [PMID: 32978316 DOI: 10.1242/jeb.235002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/14/2020] [Indexed: 12/27/2022]
Abstract
Regulation of oxidative status plays a substantial role in physiological ageing. However, we know little about age-related changes of oxidative status in wild animals, and even less about the role of population history in moulding ageing rates. We addressed these questions by means of a common garden experiment, using the Tyrrhenian tree frog Hyla sarda as the study species. This species underwent a range expansion from northern Sardinia (source) up to Corsica (newly founded) during the Late Pleistocene, and then the two populations became geographically isolated. We found that, at the beginning of the experiment, Sardinian and Corsican frogs had similar concentrations of all oxidative status markers analysed. One year later, Corsican frogs had higher oxidative stress and suffered higher mortality than Sardinian frogs. Our results suggest the intriguing scenario that population differentiation in rates of physiological ageing owing to oxidative stress might be an overlooked legacy of past biogeographic processes.
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Affiliation(s)
- Anita Liparoto
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy
- Unité Physiologie Moléculaire et Adaptation (PhyMA), UMR7221 Muséum National d'Histoire Naturelle, CNRS, CP32, 57 rue Cuvier, 75005 Paris, France
| | - Daniele Canestrelli
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy
| | - Roberta Bisconti
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy
| | - Claudio Carere
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100 Viterbo, Italy
| | - David Costantini
- Unité Physiologie Moléculaire et Adaptation (PhyMA), UMR7221 Muséum National d'Histoire Naturelle, CNRS, CP32, 57 rue Cuvier, 75005 Paris, France
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23
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Herrando-Pérez S, Belliure J, Ferri-Yáñez F, van den Burg MP, Beukema W, Araújo MB, Terblanche JS, Vieites DR. Water deprivation drives intraspecific variability in lizard heat tolerance. Basic Appl Ecol 2020. [DOI: 10.1016/j.baae.2020.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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24
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Brusch GA, Gavira RSB, Viton R, Dupoué A, Leroux-Coyau M, Meylan S, Le Galliard JF, Lourdais O. Additive effects of temperature and water availability on pregnancy in a viviparous lizard. ACTA ACUST UNITED AC 2020; 223:223/19/jeb228064. [PMID: 33046578 DOI: 10.1242/jeb.228064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 08/20/2020] [Indexed: 11/20/2022]
Abstract
One of the greatest current threats to biodiversity is climate change. However, understanding of organismal responses to fluctuations in temperature and water availability is currently lacking, especially during fundamental life-history stages such as reproduction. To further explore how temperature and water availability impact maternal physiology and reproductive output, we used the viviparous form of the European common lizard (Zootoca vivipara) in a two-by-two factorial design manipulating both hydric and thermal conditions, for the first time. We collected blood samples and morphological measurements during early pregnancy and post-parturition to investigate how water availability, temperature and a combination of the two influence maternal phenology, morphology, physiology and reproductive output. We observed that dehydration during gestation negatively affects maternal physiological condition (lower mass gain, higher tail reserve mobilization) but has little effect on reproductive output. These effects are mainly additive to temperature regimes, with a proportional increase in maternal costs in warmer environments. Our study demonstrates the importance of considering combined effects of water and temperature when investigating organismal responses to climate changes, especially during periods crucial for species survival such as reproduction.
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Affiliation(s)
- George A Brusch
- Centre d'Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique (CNRS), 79360 Villiers en Bois, France .,Department of Integrative Biology, Oklahoma State University, Stillwater, OK 74074, USA
| | - Rodrigo S B Gavira
- Centre d'Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique (CNRS), 79360 Villiers en Bois, France
| | - Robin Viton
- Centre d'Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique (CNRS), 79360 Villiers en Bois, France
| | - Andréaz Dupoué
- Sorbonne Université, CNRS, IRD, INRA, Institut d'écologie et des sciences de l'environnement (IEES), 4 Place Jussieu, 75252 Paris Cedex 5, France
| | - Mathieu Leroux-Coyau
- Sorbonne Université, CNRS, IRD, INRA, Institut d'écologie et des sciences de l'environnement (IEES), 4 Place Jussieu, 75252 Paris Cedex 5, France
| | - Sandrine Meylan
- Sorbonne Université, CNRS, IRD, INRA, Institut d'écologie et des sciences de l'environnement (IEES), 4 Place Jussieu, 75252 Paris Cedex 5, France
| | - Jean-François Le Galliard
- Sorbonne Université, CNRS, IRD, INRA, Institut d'écologie et des sciences de l'environnement (IEES), 4 Place Jussieu, 75252 Paris Cedex 5, France.,Ecole normale supérieure, PSL University, Département de biologie, CNRS, UMS 3194, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), 11 chemin de Busseau, 77140 Saint-Pierre-lès-Nemours, France
| | - Olivier Lourdais
- Centre d'Etudes Biologiques de Chizé, Centre National de la Recherche Scientifique (CNRS), 79360 Villiers en Bois, France.,School of Life Sciences, Arizona State University, Tempe, AZ 85281, USA
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25
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Dupoué A, Sorlin M, Richard M, Le Galliard JF, Lourdais O, Clobert J, Aubret F. Mother-offspring conflict for water and its mitigation in the oviparous form of the reproductively bimodal lizard, Zootoca vivipara. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractParent-offspring conflicts are widespread given that resources are often limited. Recent evidence has shown that availability of water can trigger such conflict during pregnancy in viviparous squamate species (lizards and snakes) and thus questions the role of water in the evolution of reproductive modes. Here, we examined the impact of water restriction during gravidity in the oviparous form of the bimodal common lizard (Zootoca vivipara), using a protocol previously used on the viviparous form. Females were captured in early gravidity from six populations along a 600 m altitudinal gradient to investigate whether environmental conditions (altitude, water access and temperature) exacerbate responses to water restriction. Females were significantly dehydrated after water restriction, irrespective of their reproductive status (gravid vs. non-reproductive), relative reproductive effort (relative clutch mass), and treatment timing (embryonic development stage). Female dehydration, together with reproductive performance, varied with altitude, probably due to long term acclimation or local adaptation. This moderate water-based intergenerational conflict in gravid females contrasts sharply with previous findings for the viviparous form, with implications to the evolutionary reversion from viviparity to oviparity. It is likely that oviparity constitutes a water-saving reproductive mode which might help mitigate intensive temperature-driven population extinctions at low altitudes.
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Affiliation(s)
- Andréaz Dupoué
- Station d’Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321, Saint Girons, France
- School of Biological Sciences, Monash University, Clayton campus, VIC, Melbourne, Australia
| | - Mahaut Sorlin
- Station d’Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321, Saint Girons, France
| | - Murielle Richard
- Station d’Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321, Saint Girons, France
| | - Jean François Le Galliard
- iEES Paris, Sorbonne Université, CNRS, UMR 7618, Tours 44–45, Paris, France
- Ecole normale supérieure, Département de biologie, PSL Research University, CNRS, UMS 3194, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), Saint-Pierre-lès-Nemours, France
| | - Olivier Lourdais
- Centre d’Etudes Biologiques de Chizé, La Rochelle Université, CNRS, UMR, Beauvoir sur Niort, France
- School of Life Sciences, Arizona State University, Tempe, AZ, USA
| | - Jean Clobert
- Station d’Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321, Saint Girons, France
| | - Fabien Aubret
- Station d’Ecologie Théorique et Expérimentale de Moulis, CNRS, UMR 5321, Saint Girons, France
- School of Molecular and Life Sciences, Curtin University, Bentley, WA, Australia
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26
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Dupoué A, Angelier F, Ribout C, Meylan S, Rozen-Rechels D, Decencière B, Agostini S, Le Galliard JF. Chronic water restriction triggers sex-specific oxidative stress and telomere shortening in lizards. Biol Lett 2020; 16:20190889. [PMID: 32097601 PMCID: PMC7058957 DOI: 10.1098/rsbl.2019.0889] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 01/31/2020] [Indexed: 02/07/2023] Open
Abstract
Animals use a variety of strategies to avoid acute dehydration and death. Yet, how chronic exposure to sub-lethal dehydration may entail physiological and fitness costs remains elusive. In this study, we experimentally tested if water restriction causes increased oxidative stress (OS) and telomere length (TL) shortening, two well-described mediators of environment-fitness relationships. We exposed 100 yearling female and male common lizards (Zootoca vivipara) either to a 51-day period of water restriction or to water ad libitum, followed by 45 days in common garden outdoor conditions. We measured the kinetic changes in OS and TL and found that water-restricted males had enhanced antioxidant defences and decreased oxidative damage at day 36, whereas females did not immediately respond. A month and a half after water restriction, both sexes experienced a drop in antioxidant capacity but only males exhibited significant TL shortening. In the following 3 years, we found that lizards with longer initial TL and those who maintained stronger antioxidant defences experienced higher longevity, irrespective of sex and water restriction. Together, these results unravelled sex-specific responses to water restriction, with potential applications in better understanding the physiological costs of increasing summer droughts as a result of global climate change.
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Affiliation(s)
- Andréaz Dupoué
- iEES Paris, Sorbonne Université, CNRS, UMR 7618, 4 place Jussieu, 75005 Paris, France
| | - Frédéric Angelier
- CEBC, La Rochelle Université, CNRS UMR 7372, 79360 Beauvoir sur Niort, France
| | - Cécile Ribout
- CEBC, La Rochelle Université, CNRS UMR 7372, 79360 Beauvoir sur Niort, France
| | - Sandrine Meylan
- iEES Paris, Sorbonne Université, CNRS, UMR 7618, 4 place Jussieu, 75005 Paris, France
| | - David Rozen-Rechels
- iEES Paris, Sorbonne Université, CNRS, UMR 7618, 4 place Jussieu, 75005 Paris, France
- CEBC, La Rochelle Université, CNRS UMR 7372, 79360 Beauvoir sur Niort, France
| | - Beatriz Decencière
- École normale supérieure, PSL Research University, Département de biologie, CNRS, UMS 3194, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), 78 rue du château, 77140 Saint-Pierre-lès-Nemours, France
| | - Simon Agostini
- École normale supérieure, PSL Research University, Département de biologie, CNRS, UMS 3194, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), 78 rue du château, 77140 Saint-Pierre-lès-Nemours, France
| | - Jean-François Le Galliard
- iEES Paris, Sorbonne Université, CNRS, UMR 7618, 4 place Jussieu, 75005 Paris, France
- École normale supérieure, PSL Research University, Département de biologie, CNRS, UMS 3194, Centre de recherche en écologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), 78 rue du château, 77140 Saint-Pierre-lès-Nemours, France
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