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Nixon KJA, Parzer HF. Got milkweed? Genetic assimilation as potential source for the evolution of nonmigratory monarch butterfly wing shape. Evol Dev 2024; 26:e12463. [PMID: 37971877 DOI: 10.1111/ede.12463] [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: 03/19/2023] [Revised: 09/09/2023] [Accepted: 10/23/2023] [Indexed: 11/19/2023]
Abstract
Monarch butterflies (Danaus plexippus) are well studied for their annual long-distance migration from as far north as Canada to their overwintering grounds in Central Mexico. At the end of the cold season, monarchs start to repopulate North America through short-distance migration over the course of multiple generations. Interestingly, some populations in various tropical and subtropical islands do not migrate and exhibit heritable differences in wing shape and size, most likely an adaptation to island life. Less is known about forewing differences between long- and short-distance migrants in relation to island populations. Given their different migratory behaviors, we hypothesized that these differences would be reflected in wing morphology. To test this, we analyzed forewing shape and size of three different groups: nonmigratory, lesser migratory (migrate short-distances), and migratory (migrate long-distances) individuals. Significant differences in shape appear in all groups using geometric morphometrics. As variation found between migratory and lesser migrants has been shown to be caused by phenotypic plasticity, and lesser migrants develop intermediate forewing shapes between migratory and nonmigratory individuals, we suggest that genetic assimilation might be an important mechanism to explain the heritable variation found between migratory and nonmigratory populations. Additionally, our research confirms previous studies which show that forewing size is significantly smaller in nonmigratory populations when compared to both migratory phenotypes. Finally, we found sexual dimorphism in forewing shape in all three groups, but for size in nonmigratory populations only. This might have been caused by reduced constraints on forewing size in nonmigratory populations.
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Affiliation(s)
- Kyra J A Nixon
- Department of Biological Sciences, Fairleigh Dickinson University, Madison, New Jersey, USA
| | - Harald F Parzer
- Department of Biological Sciences, Fairleigh Dickinson University, Madison, New Jersey, USA
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2
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Zhang Z, Li A, She Z, Wang X, Jia Z, Wang W, Zhang G, Li L. Adaptive divergence and underlying mechanisms in response to salinity gradients between two Crassostrea oysters revealed by phenotypic and transcriptomic analyses. Evol Appl 2023; 16:234-249. [PMID: 36793677 PMCID: PMC9923467 DOI: 10.1111/eva.13370] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 02/15/2022] [Accepted: 02/22/2022] [Indexed: 11/26/2022] Open
Abstract
Comparing the responses of closely related species to environmental changes is an efficient method to explore adaptive divergence, for a better understanding of the adaptive evolution of marine species under rapidly changing climates. Oysters are keystone species thrive in intertidal and estuarine areas where frequent environmental disturbance occurs including fluctuant salinity. The evolutionary divergence of two sister species of sympatric estuarine oysters, Crassostrea hongkongensis and Crassostrea ariakensis, in response to euryhaline habitats on phenotypes and gene expression, and the relative contribution of species effect, environment effect, and their interaction to the divergence were explored. After a 2-month outplanting at high- and low-salinity locations in the same estuary, the high growth rate, percent survival, and high tolerance indicated by physiological parameters suggested that the fitness of C. ariakensis was higher under high-salinity conditions and that of C. hongkongensis was higher under low-salinity conditions. Moreover, a transcriptomic analysis showed the two species exhibited differentiated transcriptional expression in high- and low-salinity habitats, largely caused by the species effect. Several of the important pathways enriched in divergent genes between species were also salinity-responsive pathways. Specifically, the pyruvate and taurine metabolism pathway and several solute carriers may contribute to the hyperosmotic adaptation of C. ariakensis, and some solute carriers may contribute to the hypoosmotic adaptation of C. hongkongensis. Our findings provide insights into the phenotypic and molecular mechanisms underlying salinity adaptation in marine mollusks, which will facilitate the assessment of the adaptive capacity of marine species in the context of climate change and will also provide practical information for marine resource conservation and aquaculture.
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Affiliation(s)
- Ziyan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- University of Chinese Academy of SciencesBeijingChina
- Laboratory for Marine Biology and BiotechnologyPilot National Laboratory for Marine Science and TechnologyQingdaoChina
| | - Ao Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- Laboratory for Marine Fisheries Science and Food Production ProcessesPilot National Laboratory for Marine Science and TechnologyQingdaoChina
- National and Local Joint Engineering Key Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
| | - Zhicai She
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, College of Marine SciencesBeibu Gulf UniversityQinzhouChina
| | - Xuegang Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- Laboratory for Marine Fisheries Science and Food Production ProcessesPilot National Laboratory for Marine Science and TechnologyQingdaoChina
- National and Local Joint Engineering Key Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
| | - Zhen Jia
- Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, College of Marine SciencesBeibu Gulf UniversityQinzhouChina
| | - Wei Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- Laboratory for Marine Fisheries Science and Food Production ProcessesPilot National Laboratory for Marine Science and TechnologyQingdaoChina
- National and Local Joint Engineering Key Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
| | - Guofan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- Laboratory for Marine Biology and BiotechnologyPilot National Laboratory for Marine Science and TechnologyQingdaoChina
- National and Local Joint Engineering Key Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
| | - Li Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega‐Science, Institute of OceanologyChinese Academy of SciencesQingdaoChina
- University of Chinese Academy of SciencesBeijingChina
- Laboratory for Marine Fisheries Science and Food Production ProcessesPilot National Laboratory for Marine Science and TechnologyQingdaoChina
- National and Local Joint Engineering Key Laboratory of Ecological Mariculture, Institute of OceanologyChinese Academy of SciencesQingdaoChina
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3
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Wang C, Li A, Cong R, Qi H, Wang W, Zhang G, Li L. Cis- and Trans-variations of Stearoyl-CoA Desaturase Provide New Insights into the Mechanisms of Diverged Pattern of Phenotypic Plasticity for Temperature Adaptation in Two Congeneric Oyster Species. Mol Biol Evol 2023; 40:6994358. [PMID: 36661848 PMCID: PMC9949715 DOI: 10.1093/molbev/msad015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/21/2022] [Accepted: 01/13/2023] [Indexed: 01/21/2023] Open
Abstract
The evolution of phenotypic plasticity plays an essential role in adaptive responses to climate change; however, its regulatory mechanisms in marine organisms which exhibit high phenotypic plasticity still remain poorly understood. The temperature-responsive trait oleic acid content and its major gene stearoyl-CoA desaturase (Scd) expression have diverged in two allopatric congeneric oyster species, cold-adapted Crassostrea gigas and warm-adapted Crassostrea angulata. In this study, genetic and molecular methods were used to characterize fatty acid desaturation and membrane fluidity regulated by oyster Scd. Sixteen causative single-nucleotide polymorphisms (SNPs) were identified in the promoter/cis-region of the Scd between wild C. gigas and C. angulata. Further functional experiments showed that an SNP (g.-333C [C. gigas allele] >T [C. angulata allele]) may influence Scd transcription by creating/disrupting the binding motif of the positive trans-factor Y-box factor in C. gigas/C. angulata, which mediates the higher/lower constitutive expression of Scd in C. gigas/C. angulata. Additionally, the positive trans-factor sterol-regulatory element-binding proteins (Srebp) were identified to specifically bind to the promoter of Scd in both species, and were downregulated during cold stress in C. gigas compared to upregulated in C. angulata. This partly explains the relatively lower environmental sensitivity (plasticity) of Scd in C. gigas. This study serves as an experimental case to reveal that both cis- and trans-variations shape the diverged pattern of phenotypic plasticity, which provides new insights into the formation of adaptive traits and the prediction of the adaptive potential of marine organisms to future climate change.
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Affiliation(s)
- Chaogang Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,University of Chinese Academy of Sciences, Beijing, China
| | - Ao Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Rihao Cong
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Haigang Qi
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Wei Wang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Guofan Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China,University of Chinese Academy of Sciences, Beijing, China,Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology, Qingdao, China,National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
| | - Li Li
- Corresponding author: E-mail:
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4
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Axelrod CJ, Robinson BW, Laberge F. Evolutionary divergence in phenotypic plasticity shapes brain size variation between coexisting sunfish ecotypes. J Evol Biol 2022; 35:1363-1377. [PMID: 36073994 DOI: 10.1111/jeb.14085] [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: 04/01/2022] [Revised: 06/10/2022] [Accepted: 07/13/2022] [Indexed: 11/29/2022]
Abstract
Mechanisms that generate brain size variation and the consequences of such variation on ecological performance are poorly understood in most natural animal populations. We use a reciprocal-transplant common garden experiment and foraging performance trials to test for brain size plasticity and the functional consequences of brain size variation in Pumpkinseed sunfish (Lepomis gibbosus) ecotypes that have diverged between nearshore littoral and offshore pelagic lake habitats. Different age-classes of wild-caught juveniles from both habitats were exposed for 6 months to treatments that mimicked littoral and pelagic foraging. Plastic responses in oral jaw size suggested that treatments mimicked natural habitat-specific foraging conditions. Plastic brain size responses to foraging manipulations differed between ecotypes, as only pelagic sourced fish showed brain size plasticity. Only pelagic juveniles under 1 year-old expressed this plastic response, suggesting that plastic brain size responses decline with age and so may be irreversible. Finally, larger brain size was associated with enhanced foraging performance on live benthic but not pelagic prey, providing the first experimental evidence of a relationship between brain size and prey-specific foraging performance in fishes. The recent post-glacial origin of these ecotypes suggests that brain size plasticity can rapidly evolve and diverge in fish under contrasting ecological conditions.
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Affiliation(s)
- Caleb J Axelrod
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - Beren W Robinson
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - Frédéric Laberge
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
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5
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Zhang C, Jones M, Govaert L, Viant M, De Meester L, Stoks R. Resurrecting the metabolome: Rapid evolution magnifies the metabolomic plasticity to predation in a natural Daphnia population. Mol Ecol 2021; 30:2285-2297. [PMID: 33720474 DOI: 10.1111/mec.15886] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 03/03/2021] [Accepted: 03/10/2021] [Indexed: 01/10/2023]
Abstract
Populations rely on already present plastic responses (ancestral plasticity) and evolution (including both evolution of mean trait values, constitutive evolution, and evolution of plasticity) to adapt to novel environmental conditions. Because of the lack of evidence from natural populations, controversy remains regarding the interplay between ancestral plasticity and rapid evolution in driving responses to new stressors. We addressed this topic at the level of the metabolome utilizing a resurrected natural population of the water flea Daphnia magna that underwent a human-caused increase followed by a reduction in predation pressure within ~16 years. Predation risk induced plastic changes in the metabolome which were mainly related to shifts in amino acid and sugar metabolism, suggesting predation risk affected protein and sugar utilization to increase energy supply. Both the constitutive and plastic components of the metabolic profiles showed rapid, probably adaptive evolution whereby ancestral plasticity and evolution contributed nearly equally to the total changes of the metabolomes. The subpopulation that experienced the strongest fish predation pressure and showed the strongest phenotypic response, also showed the strongest metabolomic response to fish kairomones, both in terms of the number of responsive metabolites and in the amplitude of the multivariate metabolomic reaction norm. More importantly, the metabolites with higher ancestral plasticity showed stronger evolution of plasticity when predation pressure increased, while this pattern reversed when predation pressure relaxed. Our results therefore highlight that the evolution in response to a novel pressure in a natural population magnified the metabolomic plasticity to this stressor.
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Affiliation(s)
- Chao Zhang
- Environmental Research Institute, Shandong University, Qingdao, China.,Evolutionary Stress Ecology and Ecotoxicology, KU Leuven, Leuven, Belgium
| | - Martin Jones
- School of Biosciences, University of Birmingham, Birmingham, UK
| | - Lynn Govaert
- Department of Aquatic Ecology, Swiss Federal Institute of Aquatic Science and Technology, Dübendorf, Switzerland
| | - Mark Viant
- School of Biosciences, University of Birmingham, Birmingham, UK
| | - Luc De Meester
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Leuven, Belgium
| | - Robby Stoks
- Environmental Research Institute, Shandong University, Qingdao, China
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6
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Signor SA. Evolution of Plasticity in Response to Ethanol between Sister Species with Different Ecological Histories ( Drosophila melanogaster and D. simulans). Am Nat 2020; 196:620-633. [PMID: 33064591 DOI: 10.1086/710763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractWhen populations evolve adaptive reaction norms in response to novel environments, it can occur through a process termed genetic accommodation. Under this model, the initial response to the environment is widely variable between genotypes as a result of cryptic genetic variation, which is then refined by selection to a single adaptive response. Here, I empirically test these predictions from genetic accommodation by measuring reaction norms in individual genotypes and across several time points. I compare two species of Drosophila that differ in their adaptation to ethanol (D. melanogaster and D. simulans). Both species are human commensals with a recent cosmopolitan expansion, but only D. melanogaster is adapted to ethanol exposure. Using gene expression as a phenotype and an approach that combines information about expression and alternative splicing, I find that D. simulans exhibits cryptic genetic variation in the response to ethanol, while D. melanogaster has almost no genotype-specific variation in reaction norm. This is evidence for adaptation to ethanol through genetic accommodation, suggesting that the evolution of phenotypic plasticity could be an important contributor to the ability to exploit novel resources.
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7
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Santi F, Riesch R, Baier J, Grote M, Hornung S, Jüngling H, Plath M, Jourdan J. A century later: Adaptive plasticity and rapid evolution contribute to geographic variation in invasive mosquitofish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 726:137908. [PMID: 32481217 DOI: 10.1016/j.scitotenv.2020.137908] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 06/11/2023]
Abstract
One century after their introduction to Europe, eastern mosquitofish (Gambusia holbrooki) represent a natural experiment to determine the relative contributions of adaptive plasticity and rapid evolutionary change in creating large-scale geographic variation in phenotypes. We evaluated the population-genetic structure and invasion history based on allele length polymorphisms of 15 nuclear microsatellites, which we quantified for N = 660 individuals from 23 populations sampled in 2013 across the invasive range of G. holbrooki in Europe. We analysed body-shape and life-history variation in N = 1331 individuals from 36 populations, sampled in 2013 and 2017, and tested heritability of phenotypic differences in a subset of four populations using a common-garden experiment. The genetic structure of wild-caught individuals suggested a single introduction for all European mosquitofish, which were genetically impoverished compared to their native counterparts. We found some convergent patterns of phenotypic divergence across native and invasive climatic gradients (e.g., increased body size in colder/more northern populations); however, several phenotypic responses were not consistent between sampling years, pointing towards plastic phenotypes. Our analysis of common-garden reared individuals uncovered moderate heritability estimates only for two measures of male body size (intraclass correlation coefficient, ICC = 0.628 and 0.556) and offspring fat content (ICC = 0.734), while suggesting high levels of plasticity in most other phenotypic traits (ICC ≤ 0.407). Our results highlight the importance of phenotypic plasticity in invasive species during range expansions and demonstrate that strong selective pressures-in this case towards increased body size in colder environments-simultaneously promote rapid evolutionary divergence.
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Affiliation(s)
- Francesco Santi
- Department of Biological Sciences, Royal Holloway University of London, Egham TW20 0EX, UK.
| | - Rüdiger Riesch
- Department of Biological Sciences, Royal Holloway University of London, Egham TW20 0EX, UK
| | - Jasmin Baier
- Department of Ecology and Evolution, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany
| | - Michaela Grote
- Department of Ecology and Evolution, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany
| | - Simon Hornung
- Department of Ecology and Evolution, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany
| | - Hannah Jüngling
- Department of Ecology and Evolution, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany
| | - Martin Plath
- College of Animal Science and Technology, Northwest A&F University, Yangling, PR China
| | - Jonas Jourdan
- Department of Aquatic Ecotoxicology, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany.
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8
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Hu Y, Linz DM, Parker ES, Schwab DB, Casasa S, Macagno ALM, Moczek AP. Developmental bias in horned dung beetles and its contributions to innovation, adaptation, and resilience. Evol Dev 2019; 22:165-180. [PMID: 31475451 DOI: 10.1111/ede.12310] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Developmental processes transduce diverse influences during phenotype formation, thereby biasing and structuring amount and type of phenotypic variation available for evolutionary processes to act on. The causes, extent, and consequences of this bias are subject to significant debate. Here we explore the role of developmental bias in contributing to organisms' ability to innovate, to adapt to novel or stressful conditions, and to generate well integrated, resilient phenotypes in the face of perturbations. We focus our inquiry on one taxon, the horned dung beetle genus Onthophagus, and review the role developmental bias might play across several levels of biological organization: (a) gene regulatory networks that pattern specific body regions; (b) plastic developmental mechanisms that coordinate body wide responses to changing environments and; (c) developmental symbioses and niche construction that enable organisms to build teams and to actively modify their own selective environments. We posit that across all these levels developmental bias shapes the way living systems innovate, adapt, and withstand stress, in ways that can alternately limit, bias, or facilitate developmental evolution. We conclude that the structuring contribution of developmental bias in evolution deserves further study to better understand why and how developmental evolution unfolds the way it does.
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Affiliation(s)
- Yonggang Hu
- Department of Biology, Indiana University, Bloomington, Indiana
| | - David M Linz
- Department of Biology, Indiana University, Bloomington, Indiana
| | - Erik S Parker
- Department of Biology, Indiana University, Bloomington, Indiana
| | - Daniel B Schwab
- Department of Biology, Indiana University, Bloomington, Indiana
| | - Sofia Casasa
- Department of Biology, Indiana University, Bloomington, Indiana
| | | | - Armin P Moczek
- Department of Biology, Indiana University, Bloomington, Indiana
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9
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The role of ancestral phenotypic plasticity in evolutionary diversification: population density effects in horned beetles. Anim Behav 2018. [DOI: 10.1016/j.anbehav.2018.01.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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10
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Lugert V, Meyer EI, Kurtz J, Scharsack JP. Effects of an anthropogenic saltwater inlet on three-spined stickleback (Gasterosteus aculeatus) (Teleostei: Gasterosteidae) and their parasites in an inland brook. THE EUROPEAN ZOOLOGICAL JOURNAL 2017. [DOI: 10.1080/24750263.2017.1356386] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- V. Lugert
- Institute for Evolution and Biodiversity, Animal Evolutionary Ecology, University of Münster , Münster, Germany
| | - E. I. Meyer
- Institute for Evolution and Biodiversity, Department of Limnology, University of Münster , Münster, Germany
| | - J. Kurtz
- Institute for Evolution and Biodiversity, Animal Evolutionary Ecology, University of Münster , Münster, Germany
| | - J. P. Scharsack
- Institute for Evolution and Biodiversity, Animal Evolutionary Ecology, University of Münster , Münster, Germany
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11
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Oke KB, Rolshausen G, LeBlond C, Hendry AP. How Parallel Is Parallel Evolution? A Comparative Analysis in Fishes. Am Nat 2017; 190:1-16. [DOI: 10.1086/691989] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Le Roy A, Loughland I, Seebacher F. Differential effects of developmental thermal plasticity across three generations of guppies (Poecilia reticulata): canalization and anticipatory matching. Sci Rep 2017; 7:4313. [PMID: 28659598 PMCID: PMC5489511 DOI: 10.1038/s41598-017-03300-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 04/26/2017] [Indexed: 12/22/2022] Open
Abstract
Developmental plasticity can match offspring phenotypes to environmental conditions experienced by parents. Such epigenetic modifications are advantageous when parental conditions anticipate offspring environments. Here we show firstly, that developmental plasticity manifests differently in males and females. Secondly, that under stable conditions, phenotypic responses (metabolism and locomotion) accumulate across several generations. Metabolic scope in males was greater at warmer test temperatures (26–36 °C) in offspring bred at warm temperatures (29–30 °C) compared to those bred at cooler temperatures (22–23 °C), lending support to the predictive adaptive hypothesis. However, this transgenerational matching was not established until the second (F2) generation. For other responses, e.g. swimming performance in females, phenotypes of offspring bred in different thermal environments were different in the first (F1) generation, but became more similar across three generations, implying canalization. Thirdly, when environments changed across generations, the grandparental environment affected offspring phenotypes. In females, the mode of the swimming thermal performance curve shifted to coincide with the grandparental rather than the parental or offspring developmental environments, and this lag in response may represent a cost of plasticity. These findings show that the effects of developmental plasticity differ between traits, and may be modulated by the different life histories of males and females.
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Affiliation(s)
- Amélie Le Roy
- School of Life and Environmental Sciences A08, University of Sydney, NSW, 2006, Camperdown, Australia
| | - Isabella Loughland
- School of Life and Environmental Sciences A08, University of Sydney, NSW, 2006, Camperdown, Australia
| | - Frank Seebacher
- School of Life and Environmental Sciences A08, University of Sydney, NSW, 2006, Camperdown, Australia.
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13
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Baillie SM, Muir AM, Hansen MJ, Krueger CC, Bentzen P. Genetic and phenotypic variation along an ecological gradient in lake trout Salvelinus namaycush. BMC Evol Biol 2016; 16:219. [PMID: 27756206 PMCID: PMC5069848 DOI: 10.1186/s12862-016-0788-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 10/04/2016] [Indexed: 01/24/2023] Open
Abstract
Background Adaptive radiation involving a colonizing phenotype that rapidly evolves into at least one other ecological variant, or ecotype, has been observed in a variety of freshwater fishes in post-glacial environments. However, few studies consider how phenotypic traits vary with regard to neutral genetic partitioning along ecological gradients. Here, we present the first detailed investigation of lake trout Salvelinus namaycush that considers variation as a cline rather than discriminatory among ecotypes. Genetic and phenotypic traits organized along common ecological gradients of water depth and geographic distance provide important insights into diversification processes in a lake with high levels of human disturbance from over-fishing. Results Four putative lake trout ecotypes could not be distinguished using population genetic methods, despite morphological differences. Neutral genetic partitioning in lake trout was stronger along a gradient of water depth, than by locality or ecotype. Contemporary genetic migration patterns were consistent with isolation-by-depth. Historical gene flow patterns indicated colonization from shallow to deep water. Comparison of phenotypic (Pst) and neutral genetic variation (Fst) revealed that morphological traits related to swimming performance (e.g., buoyancy, pelvic fin length) departed more strongly from neutral expectations along a depth gradient than craniofacial feeding traits. Elevated phenotypic variance with increasing water depth in pelvic fin length indicated possible ongoing character release and diversification. Finally, differences in early growth rate and asymptotic fish length across depth strata may be associated with limiting factors attributable to cold deep-water environments. Conclusion We provide evidence of reductions in gene flow and divergent natural selection associated with water depth in Lake Superior. Such information is relevant for documenting intraspecific biodiversity in the largest freshwater lake in the world for a species that recently lost considerable genetic diversity and is now in recovery. Unknown is whether observed patterns are a result of an early stage of incipient speciation, gene flow-selection equilibrium, or reverse speciation causing formerly divergent ecotypes to collapse into a single gene pool. Electronic supplementary material The online version of this article (doi:10.1186/s12862-016-0788-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shauna M Baillie
- Marine Gene Probe Lab, Department of Biology, Dalhousie University, 1355 Oxford Street, PO Box 15000, Halifax, NS, B3H 4R2, Canada.
| | - Andrew M Muir
- Great Lakes Fishery Commission, 2100 Commonwealth Boulevard, Ann Arbor, MI, 48105, USA
| | - Michael J Hansen
- U.S. Geological Survey, Great Lakes Science Center, Hammond Bay Biological Station, 11188 Ray Road, Millersburg, MI, 49759, USA
| | - Charles C Krueger
- Department of Fisheries and Wildlife, Center for Systems Integration and Sustainability, Michigan State University, East Lansing, MI, 48824-1222, USA
| | - Paul Bentzen
- Marine Gene Probe Lab, Department of Biology, Dalhousie University, 1355 Oxford Street, PO Box 15000, Halifax, NS, B3H 4R2, Canada
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Evaluating ‘Plasticity-First’ Evolution in Nature: Key Criteria and Empirical Approaches. Trends Ecol Evol 2016; 31:563-574. [DOI: 10.1016/j.tree.2016.03.012] [Citation(s) in RCA: 300] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 03/10/2016] [Accepted: 03/14/2016] [Indexed: 01/19/2023]
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15
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Seebacher F, Webster MM, James RS, Tallis J, Ward AJW. Morphological differences between habitats are associated with physiological and behavioural trade-offs in stickleback (Gasterosteus aculeatus). ROYAL SOCIETY OPEN SCIENCE 2016; 3:160316. [PMID: 27429785 PMCID: PMC4929920 DOI: 10.1098/rsos.160316] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 05/24/2016] [Indexed: 06/06/2023]
Abstract
Local specialization can be advantageous for individuals and may increase the resilience of the species to environmental change. However, there may be trade-offs between morphological responses and physiological performance and behaviour. Our aim was to test whether habitat-specific morphology of stickleback (Gasterosteus aculeatus) interacts with physiological performance and behaviour at different salinities. We rejected the hypothesis that deeper body shape of fish from habitats with high predation pressure led to decreases in locomotor performance. However, there was a trade-off between deeper body shape and muscle quality. Muscle of deeper-bodied fish produced less force than that of shallow-bodied saltmarsh fish. Nonetheless, saltmarsh fish had lower swimming performance, presumably because of lower muscle mass overall coupled with smaller caudal peduncles and larger heads. Saltmarsh fish performed better in saline water (20 ppt) relative to freshwater and relative to fish from freshwater habitats. However, exposure to salinity affected shoaling behaviour of fish from all habitats and shoals moved faster and closer together compared with freshwater. We show that habitat modification can alter phenotypes of native species, but local morphological specialization is associated with trade-offs that may reduce its benefits.
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Affiliation(s)
- Frank Seebacher
- School of Life and Environmental Sciences A08, University of Sydney, New South Wales 2006, Australia
| | | | - Rob S. James
- Centre for Applied Biological and Exercise Sciences, Coventry University, Coventry CV1 5FB, UK
| | - Jason Tallis
- Centre for Applied Biological and Exercise Sciences, Coventry University, Coventry CV1 5FB, UK
| | - Ashley J. W. Ward
- School of Life and Environmental Sciences A08, University of Sydney, New South Wales 2006, Australia
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Ehrenreich IM, Pfennig DW. Genetic assimilation: a review of its potential proximate causes and evolutionary consequences. ANNALS OF BOTANY 2016; 117:769-79. [PMID: 26359425 PMCID: PMC4845796 DOI: 10.1093/aob/mcv130] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 05/07/2015] [Accepted: 06/29/2015] [Indexed: 05/24/2023]
Abstract
BACKGROUND Most, if not all, organisms possess the ability to alter their phenotype in direct response to changes in their environment, a phenomenon known as phenotypic plasticity. Selection can break this environmental sensitivity, however, and cause a formerly environmentally induced trait to evolve to become fixed through a process called genetic assimilation. Essentially, genetic assimilation can be viewed as the evolution of environmental robustness in what was formerly an environmentally sensitive trait. Because genetic assimilation has long been suggested to play a key role in the origins of phenotypic novelty and possibly even new species, identifying and characterizing the proximate mechanisms that underlie genetic assimilation may advance our basic understanding of how novel traits and species evolve. SCOPE This review begins by discussing how the evolution of phenotypic plasticity, followed by genetic assimilation, might promote the origins of new traits and possibly fuel speciation and adaptive radiation. The evidence implicating genetic assimilation in evolutionary innovation and diversification is then briefly considered. Next, the potential causes of phenotypic plasticity generally and genetic assimilation specifically are examined at the genetic, molecular and physiological levels and approaches that can improve our understanding of these mechanisms are described. The review concludes by outlining major challenges for future work. CONCLUSIONS Identifying and characterizing the proximate mechanisms involved in phenotypic plasticity and genetic assimilation promises to help advance our basic understanding of evolutionary innovation and diversification.
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Affiliation(s)
- Ian M Ehrenreich
- Molecular and Computational Biology Section, University of Southern California, Los Angeles, CA 90089, USA and
| | - David W Pfennig
- Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
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Gibbons TC, Rudman SM, Schulte PM. Responses to simulated winter conditions differ between threespine stickleback ecotypes. Mol Ecol 2016; 25:764-75. [DOI: 10.1111/mec.13507] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 11/23/2015] [Accepted: 11/26/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Taylor C. Gibbons
- Biodiversity Research Centre; Department of Zoology; University of British Columbia; 6270 University Blvd Vancouver BC Canada V6T 1Z4
| | - Seth M. Rudman
- Biodiversity Research Centre; Department of Zoology; University of British Columbia; 6270 University Blvd Vancouver BC Canada V6T 1Z4
| | - Patricia M. Schulte
- Biodiversity Research Centre; Department of Zoology; University of British Columbia; 6270 University Blvd Vancouver BC Canada V6T 1Z4
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18
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Stoks R, Govaert L, Pauwels K, Jansen B, De Meester L. Resurrecting complexity: the interplay of plasticity and rapid evolution in the multiple trait response to strong changes in predation pressure in the water fleaDaphnia magna. Ecol Lett 2015; 19:180-190. [DOI: 10.1111/ele.12551] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 09/18/2015] [Accepted: 10/30/2015] [Indexed: 12/13/2022]
Affiliation(s)
- Robby Stoks
- Laboratory of Aquatic Ecology, Evolution and Conservation; University of Leuven; Ch. Deberiotstraat 32 B-3000 Leuven Belgium
| | - Lynn Govaert
- Laboratory of Aquatic Ecology, Evolution and Conservation; University of Leuven; Ch. Deberiotstraat 32 B-3000 Leuven Belgium
| | - Kevin Pauwels
- Laboratory of Aquatic Ecology, Evolution and Conservation; University of Leuven; Ch. Deberiotstraat 32 B-3000 Leuven Belgium
| | - Bastiaan Jansen
- Laboratory of Aquatic Ecology, Evolution and Conservation; University of Leuven; Ch. Deberiotstraat 32 B-3000 Leuven Belgium
| | - Luc De Meester
- Laboratory of Aquatic Ecology, Evolution and Conservation; University of Leuven; Ch. Deberiotstraat 32 B-3000 Leuven Belgium
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Nonaka E, Svanbäck R, Thibert-Plante X, Englund G, Brännström Å. Mechanisms by Which Phenotypic Plasticity Affects Adaptive Divergence and Ecological Speciation. Am Nat 2015; 186:E126-43. [DOI: 10.1086/683231] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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20
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Smith G, Smith C, Kenny JG, Chaudhuri RR, Ritchie MG. Genome-wide DNA methylation patterns in wild samples of two morphotypes of threespine stickleback (Gasterosteus aculeatus). Mol Biol Evol 2014; 32:888-95. [PMID: 25534027 DOI: 10.1093/molbev/msu344] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Epigenetic marks such as DNA methylation play important biological roles in gene expression regulation and cellular differentiation during development. To examine whether DNA methylation patterns are potentially associated with naturally occurring phenotypic differences, we examined genome-wide DNA methylation within Gasterosteus aculeatus, using reduced representation bisulfite sequencing. First, we identified highly methylated regions of the stickleback genome, finding such regions to be located predominantly within genes, and associated with genes functioning in metabolism and biosynthetic processes, cell adhesion, signaling pathways, and blood vessel development. Next, we identified putative differentially methylated regions (DMRs) of the genome between complete and low lateral plate morphs of G. aculeatus. We detected 77 DMRs that were mainly located in intergenic regions. Annotations of genes associated with these DMRs revealed potential functions in a number of known divergent adaptive phenotypes between G. aculeatus ecotypes, including cardiovascular development, growth, and neuromuscular development.
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Affiliation(s)
- Gilbert Smith
- Department of Ecology and Evolutionary Biology, University of California, Irvine
| | - Carl Smith
- School of Biology, University of St Andrews, St. Andrews, Fife, United Kingdom
| | - John G Kenny
- Centre for Genomic Research, Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Roy R Chaudhuri
- Centre for Genomic Research, Institute of Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Michael G Ritchie
- School of Biology, University of St Andrews, St. Andrews, Fife, United Kingdom
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