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Svensson EI, Blaimont P, Calsbeek R, Lancaster LT, McAdam A, Mills SC. In Memoriam: Barry Sinervo 1961-2021. Evolution 2021. [PMID: 34881444 DOI: 10.1111/evo.14416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Erik I Svensson
- Evolutionary Ecology Unit, Department of Biology, Lund University, Lund, SE-223 62, Sweden
| | - Pauline Blaimont
- Department of Biology, Behavioral Neuroscience and Health Sciences, Rider University, Lawrenceville, New Jersey, 08648
| | - Ryan Calsbeek
- Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire, 03755
| | - Lesley T Lancaster
- School of Biological Sciences, University of Aberdeen, Aberdeen, AB24 2TZ, UK
| | - Andrew McAdam
- Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, Colorado, 80309
| | - Suzanne C Mills
- PSL Université Paris, EPHE-UPVD-CNRS, USR 3278 CRIOBE, 98729 Papetoai, Moorea, French Polynesia.,Laboratoire d'Excellence, CORAIL, 58 avenue Paul Alduy, CEDEX, 668 60, France
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2
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Deng J, Assandri G, Chauhan P, Futahashi R, Galimberti A, Hansson B, Lancaster LT, Takahashi Y, Svensson EI, Duplouy A. Wolbachia-driven selective sweep in a range expanding insect species. BMC Ecol Evol 2021; 21:181. [PMID: 34563127 PMCID: PMC8466699 DOI: 10.1186/s12862-021-01906-6] [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: 01/28/2021] [Accepted: 08/31/2021] [Indexed: 12/29/2022] Open
Abstract
Background Evolutionary processes can cause strong spatial genetic signatures, such as local loss of genetic diversity, or conflicting histories from mitochondrial versus nuclear markers. Investigating these genetic patterns is important, as they may reveal obscured processes and players. The maternally inherited bacterium Wolbachia is among the most widespread symbionts in insects. Wolbachia typically spreads within host species by conferring direct fitness benefits, and/or by manipulating its host reproduction to favour infected over uninfected females. Under sufficient selective advantage, the mitochondrial haplotype associated with the favoured maternally-inherited symbiotic strains will spread (i.e. hitchhike), resulting in low mitochondrial genetic variation across the host species range. Method The common bluetail damselfly (Ischnura elegans: van der Linden, 1820) has recently emerged as a model organism for genetics and genomic signatures of range expansion during climate change. Although there is accumulating data on the consequences of such expansion on the genetics of I. elegans, no study has screened for Wolbachia in the damselfly genus Ischnura. Here, we present the biogeographic variation in Wolbachia prevalence and penetrance across Europe and Japan (including samples from 17 populations), and from close relatives in the Mediterranean area (i.e. I. genei: Rambur, 1842; and I. saharensis: Aguesse, 1958). Results Our data reveal (a) multiple Wolbachia-strains, (b) potential transfer of the symbiont through hybridization, (c) higher infection rates at higher latitudes, and (d) reduced mitochondrial diversity in the north-west populations, indicative of hitchhiking associated with the selective sweep of the most common strain. We found low mitochondrial haplotype diversity in the Wolbachia-infected north-western European populations (Sweden, Scotland, the Netherlands, Belgium, France and Italy) of I. elegans, and, conversely, higher mitochondrial diversity in populations with low penetrance of Wolbachia (Ukraine, Greece, Montenegro and Cyprus). The timing of the selective sweep associated with infected lineages was estimated between 20,000 and 44,000 years before present, which is consistent with the end of the last glacial period about 20,000 years. Conclusions Our findings provide an example of how endosymbiont infections can shape spatial variation in their host evolutionary genetics during postglacial expansion. These results also challenge population genetic studies that do not consider the prevalence of symbionts in many insects, which we show can impact geographic patterns of mitochondrial genetic diversity.
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Affiliation(s)
- Junchen Deng
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden.,Institute of Environmental Sciences, Jagiellonian University in Kraków, Gronostajowa 7, 30-387, Kraków, Poland
| | - Giacomo Assandri
- Area per l'Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPA), Via Ca' Fornacetta 9, 40064, Ozzano Emilia, BO, Italy
| | - Pallavi Chauhan
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Ryo Futahashi
- Bioproduction Research Institute, National Institute of Advance Industrial Science and Technology (AIST), Trukuba, Ibaraki, 305-8566, Japan
| | - Andrea Galimberti
- Department of Biotechnology and Bioscience, University of Milano-Bicocca, Piazza della Scienza 2, 20126, Milan, Italy
| | - Bengt Hansson
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Lesley T Lancaster
- School of Biological Sciences, University of Aberdeen, Aberdeen, AB24 2TZ, UK
| | - Yuma Takahashi
- Graduate School of Science, Chiba University, Chiba, Japan
| | - Erik I Svensson
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden
| | - Anne Duplouy
- Department of Biology, Lund University, Sölvegatan 37, 223 62, Lund, Sweden. .,Insect Symbiosis Ecology and Evolution Lab, Organismal and Evolutionary Biology Research Program, The University of Helsinki, Viikinkaari 1, 00014, Helsinki, Finland.
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3
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Chelini MC, Brock K, Yeager J, Edwards DL. Environmental drivers of sexual dimorphism in a lizard with alternative mating strategies. J Evol Biol 2021; 34:1241-1255. [PMID: 34101919 DOI: 10.1111/jeb.13881] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/29/2021] [Accepted: 05/12/2021] [Indexed: 11/28/2022]
Abstract
Understanding the relative importance of sexual and natural selection in shaping morphological traits is a long-standing goal of evolutionary ecology. Male-biased sexual size dimorphism (SSD) is typically associated with male-male competition. Similarly, male polymorphisms are considered a consequence of competitive social interactions. This classic paradigm overlooks the fact that environmental factors mediate social interactions and can lead to ecological adaptations. Common side-blotched lizards, Uta stansburiana, are a model system for this paradigm due to well-known rock-paper-scissors social dynamics between male morphs. SSD in this species has been considered primarily a consequence of social interactions, with male size resulting from the number of morphs in each population and female size being constrained through fecundity benefits. We test if the environment explains intraspecific variation in SSD and number of male morphs in U. stansburiana. By compiling data from 49 populations, we show that environmental variables are stronger predictors of SSD than the number of male morphs. Similarly, we show that the environment mediates SSD and potentially contributes to morph loss in colder environments. We propose that the environment favours smaller males in areas of high seasonality. Our results demonstrate the importance of the environment as a mediator of SSD.
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Affiliation(s)
| | - Kinsey Brock
- School of Natural Sciences, University of California, Merced, Merced, CA, USA
| | - Justin Yeager
- School of Natural Sciences, University of California, Merced, Merced, CA, USA
| | - Danielle L Edwards
- School of Natural Sciences, University of California, Merced, Merced, CA, USA
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Dudaniec RY, Carey AR, Svensson EI, Hansson B, Yong CJ, Lancaster LT. Latitudinal clines in sexual selection, sexual size dimorphism and sex-specific genetic dispersal during a poleward range expansion. J Anim Ecol 2021; 91:1104-1118. [PMID: 33759189 DOI: 10.1111/1365-2656.13488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 03/09/2021] [Indexed: 10/21/2022]
Abstract
Range expansions can be shaped by sex differences in behaviours and other phenotypic traits affecting dispersal and reproduction. Here, we investigate sex differences in morphology, behaviour and genomic population differentiation along a climate-mediated range expansion in the common bluetail damselfly (Ischnura elegans) in northern Europe. We sampled 65 sites along a 583-km gradient spanning the I. elegans range in Sweden and quantified latitudinal gradients in site relative abundance, sex ratio and sex-specific shifts in body size and mating status (a measure of sexual selection). Using single nucleotide polymorphism (SNP) data for 426 individuals from 25 sites, we further investigated sex-specific landscape and climatic effects on neutral genetic connectivity and migration patterns. We found evidence for sex differences associated with the I. elegans range expansion, namely (a) increased male body size with latitude, but no latitudinal effect on female body size, resulting in reduced sexual dimorphism towards the range limit, (b) a steeper decline in male genetic similarity with increasing geographic distance than in females, (c) male-biased genetic migration propensity and (d) a latitudinal cline in migration distance (increasing migratory distances towards the range margin), which was stronger in males. Cooler mean annual temperatures towards the range limit were associated with increased resistance to gene flow in both sexes. Sex ratios became increasingly male biased towards the range limit, and there was evidence for a changed sexual selection regime shifting from favouring larger males in the south to favouring smaller males in the north. Our findings suggest sex-specific spatial phenotype sorting at the range limit, where larger males disperse more under higher landscape resistance associated with cooler climates. The combination of latitudinal gradients in sex-biased dispersal, increasing male body size and (reduced) sexual size dimorphism should have emergent consequences for sexual selection dynamics and the mating system at the expanding range front. Our study illustrates the importance of considering sex differences in the study of range expansions driven by ongoing climate change.
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Affiliation(s)
- Rachael Y Dudaniec
- Department of Biological Sciences, Macquarie University, Sydney, NSW, Australia
| | - Alexander R Carey
- Department of Biological Sciences, Macquarie University, Sydney, NSW, Australia.,Department of Planning, Industry and Environment, Saving our Species Program, New South Wales Government, Sydney, NSW, Australia
| | | | - Bengt Hansson
- Department of Biology, Lund University, Lund, Sweden
| | - Chuan Ji Yong
- Department of Biological Sciences, Macquarie University, Sydney, NSW, Australia
| | - Lesley T Lancaster
- Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, UK
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5
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Carbonell JA, Wang YJ, Stoks R. Evolution of cold tolerance and thermal plasticity in life history, behaviour and physiology during a poleward range expansion. J Anim Ecol 2021; 90:1666-1677. [PMID: 33724470 DOI: 10.1111/1365-2656.13482] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/09/2021] [Indexed: 01/04/2023]
Abstract
Many species that are moving polewards encounter novel thermal regimes to which they have to adapt. Therefore, rapid evolution of thermal tolerance and of thermal plasticity in fitness-related traits in edge populations can be crucial for the success and speed of range expansions. We tested for adaptation in cold tolerance and in life history, behavioural and physiological traits and their thermal plasticity during a poleward range expansion. We reconstructed the thermal performance curves of life history (survival, growth and development rates), behaviour (food intake) and cold tolerance (chill coma recovery time) in the aquatic larval stage of the damselfly Ischnura elegans that is currently showing a poleward range expansion in northern Europe. We studied larvae from three edge and three core populations using a common-garden experiment. Consistent with the colder annual temperatures, larvae at the expansion front evolved an improved cold tolerance. The edge populations showed no overall (across temperatures) evolution of a faster life history that would improve their range-shifting ability. Moreover, consistent with damselfly edge populations from colder latitudes, edge populations evolved at the highest rearing temperature (28°C) a faster development rate, likely to better exploit the rare periods with higher temperatures. This was associated with a higher food intake and a lower metabolic rate. In conclusion, our results suggest that the edge populations rapidly evolved adaptive changes in trait means and thermal plasticity to the novel thermal conditions at the edge front. Our results highlight the importance of considering besides trait plasticity and the evolution of trait means, also the evolution of trait plasticity to improve forecasts of responses to climate change.
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Affiliation(s)
- José Antonio Carbonell
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium.,Department of Wetland Ecology, Doñana Biological Station (EBD-CSIC), Seville, Spain
| | - Ying-Jie Wang
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
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Clusella-Trullas S, Nielsen M. The evolution of insect body coloration under changing climates. CURRENT OPINION IN INSECT SCIENCE 2020; 41:25-32. [PMID: 32629405 DOI: 10.1016/j.cois.2020.05.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/13/2020] [Accepted: 05/19/2020] [Indexed: 06/11/2023]
Abstract
Insects have been influential models in research on color variation, its evolutionary drivers and the mechanistic basis of such variation. More recently, several studies have indicated that insect color is responding to rapid climate change. However, it remains challenging to ascertain drivers of color variation among populations and species, and across space and time, as multiple biotic and abiotic factors can interact and mediate color change. Here, we describe some of the challenges and recent advances made in this field. First, we outline the main alternative hypotheses that exist for insect color variation in relation to climatic factors. Second, we review the existing evidence for contemporary adaptive evolution of insect color in response to climate change and then discuss factors that can promote or hinder the evolution of color in response to climate change. Finally, we propose future directions and highlight gaps in this research field. Pigments and structures producing insect color can vary concurrently or independently, and may evolve at different rates, with poorly understood effects on gene frequencies and fitness. Disentangling multiple competing hypotheses explaining insect coloration should be key to assign color variation as an evolutionary response to climate change.
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Affiliation(s)
- Susana Clusella-Trullas
- Centre for Invasion Biology, Dept. of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa.
| | - Matthew Nielsen
- Department of Zoology, Stockholm University, Stockholm, Sweden
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Willink B, Duryea MC, Wheat C, Svensson EI. Changes in gene expression during female reproductive development in a color polymorphic insect. Evolution 2020; 74:1063-1081. [DOI: 10.1111/evo.13979] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 03/19/2020] [Accepted: 04/07/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Beatriz Willink
- Department of Biology, Evolutionary Ecology Unit, Ecology BuildingLund University Lund 223–62 Sweden
- Current Address: School of BiologyUniversity of Costa Rica San José 11501–2060 Costa Rica
| | | | | | - Erik I. Svensson
- Department of Biology, Evolutionary Ecology Unit, Ecology BuildingLund University Lund 223–62 Sweden
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Svensson EI, Willink B, Duryea MC, Lancaster LT. Temperature drives pre‐reproductive selection and shapes the biogeography of a female polymorphism. Ecol Lett 2019; 23:149-159. [DOI: 10.1111/ele.13417] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 10/09/2019] [Indexed: 01/03/2023]
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9
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Wood C, Fitt RNL, Lancaster LT. Evolving social dynamics prime thermal tolerance during a poleward range shift. Biol J Linn Soc Lond 2019. [DOI: 10.1093/biolinnean/bly197] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Connor Wood
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Robert N L Fitt
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
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Yadav S, Stow AJ, Harris RMB, Dudaniec RY. Morphological Variation Tracks Environmental Gradients in an Agricultural Pest, Phaulacridium vittatum (Orthoptera: Acrididae). JOURNAL OF INSECT SCIENCE (ONLINE) 2018; 18:5228718. [PMID: 30508202 PMCID: PMC6276836 DOI: 10.1093/jisesa/iey121] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Indexed: 04/30/2023]
Abstract
Invertebrate pests often show high morphological variation and wide environmental tolerances. Knowledge of how phenotypic variation is associated with environmental heterogeneity can elucidate the processes underpinning these patterns. Here we examine morphological variation and relative abundance along environmental gradients in a widespread agricultural pest, native to Australia, the wingless grasshopper Phaulacridium vittatum (Sjöstedt). We test for correlations between body size, wing presence, and stripe polymorphism with environmental variables. Using multiple regression and mixed-effects modeling, body size and stripe polymorphism were positively associated with solar radiation, and wing presence was positively associated with foliage projective cover (FPC). There were no associations between body size or morphological traits with relative abundance. However, relative abundance was positively associated with latitude, soil moisture, and wind speed, but was negatively associated with FPC. Therefore, sites with low relative abundance and high forest cover were more likely to contain winged individuals. Overall, our results suggest that environmental and climatic conditions strongly influence the relative abundance and the distribution of morphotypes in P. vittatum, which is likely to affect dispersal and fitness in different landscapes. This knowledge is useful for informing how environmental change might influence the future spread and impact of this agricultural pest.
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Affiliation(s)
- Sonu Yadav
- Department of Biological Sciences, Macquarie University, Sydney, Australia
- Corresponding author, e-mail:
| | - Adam J Stow
- Department of Biological Sciences, Macquarie University, Sydney, Australia
| | - Rebecca M B Harris
- Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, Hobart, Australia
| | - Rachael Y Dudaniec
- Department of Biological Sciences, Macquarie University, Sydney, Australia
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Bailey NW, Moore AJ. Evolutionary Consequences of Social Isolation. Trends Ecol Evol 2018; 33:595-607. [DOI: 10.1016/j.tree.2018.05.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/18/2018] [Accepted: 05/22/2018] [Indexed: 01/09/2023]
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12
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Dudaniec RY, Yong CJ, Lancaster LT, Svensson EI, Hansson B. Signatures of local adaptation along environmental gradients in a range-expanding damselfly (Ischnura elegans). Mol Ecol 2018; 27:2576-2593. [DOI: 10.1111/mec.14709] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 03/23/2018] [Accepted: 04/03/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Rachael Y. Dudaniec
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
| | - Chuan Ji Yong
- Department of Biological Sciences; Macquarie University; Sydney NSW Australia
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