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Swaegers J, De Cupere S, Gaens N, Lancaster LT, Carbonell JA, Sánchez Guillén RA, Stoks R. Plasticity and associated epigenetic mechanisms play a role in thermal evolution during range expansion. Evol Lett 2024; 8:76-88. [PMID: 38370551 PMCID: PMC10872138 DOI: 10.1093/evlett/qrac007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/06/2022] [Accepted: 12/28/2022] [Indexed: 02/20/2024] Open
Abstract
Due to global change, many species are shifting their distribution and are thereby confronted with novel thermal conditions at the moving range edges. Especially during the initial phases of exposure to a new environment, it has been hypothesized that plasticity and associated epigenetic mechanisms enable species to cope with environmental change. We tested this idea by capitalizing on the well-documented southward range expansion of the damselfly Ischnura elegans from France into Spain where the species invaded warmer regions in the 1950s in eastern Spain (old edge region) and in the 2010s in central Spain (new edge region). Using a common garden experiment at rearing temperatures matching the ancestral and invaded thermal regimes, we tested for evolutionary changes in (thermal plasticity in) larval life history and heat tolerance in these expansion zones. Through the use of de- and hypermethylating agents, we tested whether epigenetic mechanisms play a role in enabling heat tolerance during expansion. We used the phenotype of the native sister species in Spain, I. graellsii, as proxy for the locally adapted phenotype. New edge populations converged toward the phenotype of the native species through plastic thermal responses in life history and heat tolerance while old edge populations (partly) constitutively evolved a faster life history and higher heat tolerance than the core populations, thereby matching the native species. Only the heat tolerance of new edge populations increased significantly when exposed to the hypermethylating agent. This suggests that the DNA methylation machinery is more amenable to perturbation at the new edge and shows it is able to play a role in achieving a higher heat tolerance. Our results show that both (evolved) plasticity as well as associated epigenetic mechanisms are initially important when facing new thermal regimes but that their importance diminishes with time.
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Affiliation(s)
- Janne Swaegers
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
| | - Simon De Cupere
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
| | - Noah Gaens
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
| | - Lesley T Lancaster
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - José A Carbonell
- Department of Zoology, Faculty of Biology, University of Seville, Seville, Spain
| | | | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Leuven, Belgium
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2
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Willink B, Tunström K, Nilén S, Chikhi R, Lemane T, Takahashi M, Takahashi Y, Svensson EI, Wheat CW. The genomics and evolution of inter-sexual mimicry and female-limited polymorphisms in damselflies. Nat Ecol Evol 2024; 8:83-97. [PMID: 37932383 PMCID: PMC10781644 DOI: 10.1038/s41559-023-02243-1] [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: 03/14/2023] [Accepted: 10/04/2023] [Indexed: 11/08/2023]
Abstract
Sex-limited morphs can provide profound insights into the evolution and genomic architecture of complex phenotypes. Inter-sexual mimicry is one particular type of sex-limited polymorphism in which a novel morph resembles the opposite sex. While inter-sexual mimics are known in both sexes and a diverse range of animals, their evolutionary origin is poorly understood. Here, we investigated the genomic basis of female-limited morphs and male mimicry in the common bluetail damselfly. Differential gene expression between morphs has been documented in damselflies, but no causal locus has been previously identified. We found that male mimicry originated in an ancestrally sexually dimorphic lineage in association with multiple structural changes, probably driven by transposable element activity. These changes resulted in ~900 kb of novel genomic content that is partly shared by male mimics in a close relative, indicating that male mimicry is a trans-species polymorphism. More recently, a third morph originated following the translocation of part of the male-mimicry sequence into a genomic position ~3.5 mb apart. We provide evidence of balancing selection maintaining male mimicry, in line with previous field population studies. Our results underscore how structural variants affecting a handful of potentially regulatory genes and morph-specific genes can give rise to novel and complex phenotypic polymorphisms.
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Affiliation(s)
- Beatriz Willink
- Department of Zoology, Stockholm University, Stockholm, Sweden.
- Department of Biological Sciences, National University of Singapore, Singapore, Singapore.
| | - Kalle Tunström
- Department of Zoology, Stockholm University, Stockholm, Sweden
| | - Sofie Nilén
- Department of Biology, Lund University, Lund, Sweden
| | - Rayan Chikhi
- Sequence Bioinformatics, Institut Pasteur, Université Paris Cité, Paris, France
| | - Téo Lemane
- University of Rennes, Inria, CNRS, IRISA, Rennes, France
| | - Michihiko Takahashi
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
- Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Yuma Takahashi
- Graduate School of Science, Chiba University, Chiba, Japan
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3
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Gil-Tapetado D, López-Collar D, Gómez JF, Mañani-Pérez J, Cabrero-Sañudo FJ, Muñoz J. Climate change as a driver of insect invasions: Dispersal patterns of a dragonfly species colonizing a new region. PLoS One 2023; 18:e0291270. [PMID: 37708166 PMCID: PMC10501572 DOI: 10.1371/journal.pone.0291270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 08/25/2023] [Indexed: 09/16/2023] Open
Abstract
The dragonfly Trithemis kirbyi Sélys, 1891 recently colonized Western Europe from North Africa. Since its first record in the Iberian Peninsula in 2007, the species has been spreading northward and has become naturally established in the central and eastern Iberian Peninsula, the Balearic Islands and southern France. Despite its worldwide distribution, its rapid colonization of the western Mediterranean area occurred only very recently. The aims of this study were to evaluate (1) whether the species' colonization of the western Mediterranean is related to climate change and rising temperatures, specifically the summer warming peaks that have occurred in the last decade, (2) which climatic variables have most influenced its distribution and dispersal, and (3) its potential future dispersal and colonization capacity towards the eastern Mediterranean. We found that the dispersal and recent establishment of T. kirbyi in southwestern Europe strongly depends on increasing temperatures, particularly summer temperature peaks, which has allowed this species to disperse farther and more effectively than during years with average summer temperatures. The most important variable in the suitability models is the minimum temperature of the coldest month, which, in recent decades, has become less of a limiting factor for ectotherms. According to the models, suitable areas for the species are currently found throughout the eastern Mediterranean parts of Europe, and it is likely that it can naturally colonize these areas as it did in the Iberian Peninsula. Trithemis kirbyi is a model of how climate change and observed rising temperatures have turned previously inhospitable regions into suitable areas for exotic species, which may successfully colonize them naturally if they can reach these promising lands on their own. However, this study serves as a warning that such species can also colonize these new regions with a little help from unsuspecting means, which are often responsible for the increasingly common presence of invasive, noxious taxa in Europe.
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Affiliation(s)
- Diego Gil-Tapetado
- Facultad de Ciencias Biológicas, Departamento de Biodiversidad, Ecología y Evolución, Universidad Complutense de Madrid, Madrid, Spain
| | - Diego López-Collar
- Facultad de Ciencias Biológicas, Departamento de Biodiversidad, Ecología y Evolución, Universidad Complutense de Madrid, Madrid, Spain
| | - José F. Gómez
- Facultad de Ciencias Biológicas, Departamento de Biodiversidad, Ecología y Evolución, Universidad Complutense de Madrid, Madrid, Spain
| | - José Mañani-Pérez
- Facultad de Ciencias Biológicas, Departamento de Biodiversidad, Ecología y Evolución, Universidad Complutense de Madrid, Madrid, Spain
| | - Francisco J. Cabrero-Sañudo
- Facultad de Ciencias Biológicas, Departamento de Biodiversidad, Ecología y Evolución, Universidad Complutense de Madrid, Madrid, Spain
| | - Jesús Muñoz
- Real Jardín Botánico (RJB-CSIC), Madrid, Spain
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4
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Arce-Valdés LR, Sánchez-Guillén RA. The evolutionary outcomes of climate-change-induced hybridization in insect populations. CURRENT OPINION IN INSECT SCIENCE 2022; 54:100966. [PMID: 36089267 DOI: 10.1016/j.cois.2022.100966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 08/29/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Rapid range shifts are one of the most frequent responses to climate change in insect populations. Climate-induced range shifts can lead to the breakdown of isolation barriers, and thus, to an increase in hybridization and introgression. Long-term evolutionary consequences such as the formation of hybrid zones, introgression, speciation, and extinction have been predicted as a result of climate-induced hybridization. Our review shows that there has been an increase in the number of published cases of climate-induced hybridization in insects, and that the formation of hybrid zones and introgression seems to be, at the moment, the most frequent outcomes. Although introgression is considered positive, since it increases species' genetic diversity, in the long term, it could lead to negative outcomes such as species fusion or genetic swamping.
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Affiliation(s)
- Luis R Arce-Valdés
- Red de Biología Evolutiva, Instituto de Ecología, A.C. (INECOL), Carretera antigua a Coatepec 351, Col. El Haya, Xalapa, Veracruz C. P. 91073, Mexico
| | - Rosa A Sánchez-Guillén
- Red de Biología Evolutiva, Instituto de Ecología, A.C. (INECOL), Carretera antigua a Coatepec 351, Col. El Haya, Xalapa, Veracruz C. P. 91073, Mexico.
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5
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Swaegers J, Sánchez-Guillén RA, Chauhan P, Wellenreuther M, Hansson B. Restricted X chromosome introgression and support for Haldane's rule in hybridizing damselflies. Proc Biol Sci 2022; 289:20220968. [PMID: 35855603 PMCID: PMC9297008 DOI: 10.1098/rspb.2022.0968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Contemporary hybrid zones act as natural laboratories for the investigation of species boundaries and may shed light on the little understood roles of sex chromosomes in species divergence. Sex chromosomes are considered to function as a hotspot of genetic divergence between species; indicated by less genomic introgression compared to autosomes during hybridization. Moreover, they are thought to contribute to Haldane's rule, which states that hybrids of the heterogametic sex are more likely to be inviable or sterile. To test these hypotheses, we used contemporary hybrid zones of Ischnura elegans, a damselfly species that has been expanding its range into the northern and western regions of Spain, leading to chronic hybridization with its sister species Ischnura graellsii. We analysed genome-wide SNPs in the Spanish I. elegans and I. graellsii hybrid zone and found (i) that the X chromosome shows less genomic introgression compared to autosomes, and (ii) that males are underrepresented among admixed individuals, as predicted by Haldane's rule. This is the first study in Odonata that suggests a role of the X chromosome in reproductive isolation. Moreover, our data add to the few studies on species with X0 sex determination system and contradict the hypothesis that the absence of a Y chromosome causes exceptions to Haldane's rule.
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Affiliation(s)
- Janne Swaegers
- Department of Biology, Lund University, Ecology Building, Lund 22362, Sweden,Evolutionary Stress Ecology and Ecotoxicology, KU Leuven, Leuven, Belgium
| | | | - Pallavi Chauhan
- Department of Biology, Lund University, Ecology Building, Lund 22362, Sweden
| | - Maren Wellenreuther
- The New Zealand Institute for Plant and Food Research Ltd, Nelson, New Zealand,School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Bengt Hansson
- Department of Biology, Lund University, Ecology Building, Lund 22362, Sweden
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6
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Cruzan MB, Thompson PG, Diaz NA, Hendrickson EC, Gerloff KR, Kline KA, Machiorlete HM, Persinger JM. Weak coupling among barrier loci and waves of neutral and adaptive introgression across an expanding hybrid zone. Evolution 2021; 75:3098-3114. [PMID: 34668193 PMCID: PMC9298192 DOI: 10.1111/evo.14381] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 09/14/2021] [Accepted: 09/19/2021] [Indexed: 01/02/2023]
Abstract
Hybridization can serve as an evolutionary stimulus, but we have little understanding of introgression at early stages of hybrid zone formation. We analyze reproductive isolation and introgression between a range‐limited and a widespread species. Reproductive barriers are estimated based on differences in flowering time, ecogeographic distributions, and seed set from crosses. We find an asymmetrical mating barrier due to cytonuclear incompatibility that is consistent with observed clusters of coincident and concordant tension zone clines (barrier loci) for mtDNA haplotypes and nuclear SNPs. These groups of concordant clines are spread across the hybrid zone, resulting in weak coupling among barrier loci and extensive introgression. Neutral clines had nearly equal introgression into both species’ ranges, whereas putative cases of adaptive introgression had exceptionally wide clines with centers shifted toward one species. Analyses of cline shape indicate that secondary contact was initiated within the last 800 generations with the per‐generation dispersal between 200 and 400 m, and provide some of the first estimates of the strength of selection required to account for observed levels of adaptive introgression. The weak species boundary between these species appears to be in early stages of dissolution, and ultimately will precipitate genetic swamping of the range‐limited species.
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Affiliation(s)
- Mitchell B Cruzan
- Department of Biology, Portland State University, Portland, Oregon, 97201
| | - Pamela G Thompson
- Department of Biology, Portland State University, Portland, Oregon, 97201
| | - Nicolas A Diaz
- Department of Biology, Portland State University, Portland, Oregon, 97201
| | | | - Katie R Gerloff
- Department of Biology, Portland State University, Portland, Oregon, 97201
| | - Katie A Kline
- Department of Biology, Portland State University, Portland, Oregon, 97201
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7
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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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8
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Geiger M, Koblmüller S, Assandri G, Chovanec A, Ekrem T, Fischer I, Galimberti A, Grabowski M, Haring E, Hausmann A, Hendrich L, Koch S, Mamos T, Rothe U, Rulik B, Rewicz T, Sittenthaler M, Stur E, Tończyk G, Zangl L, Moriniere J. Coverage and quality of DNA barcode references for Central and Northern European Odonata. PeerJ 2021; 9:e11192. [PMID: 33986985 PMCID: PMC8101477 DOI: 10.7717/peerj.11192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/09/2021] [Indexed: 12/03/2022] Open
Abstract
Background Dragonflies and damselflies (Odonata) are important components in biomonitoring due to their amphibiotic lifecycle and specific habitat requirements. They are charismatic and popular insects, but can be challenging to identify despite large size and often distinct coloration, especially the immature stages. DNA-based assessment tools rely on validated DNA barcode reference libraries evaluated in a supraregional context to minimize taxonomic incongruence and identification mismatches. Methods This study reports on findings from the analysis of the most comprehensive DNA barcode dataset for Central European Odonata to date, with 103 out of 145 recorded European species included and publicly deposited in the Barcode of Life Data System (BOLD). The complete dataset includes 697 specimens (548 adults, 108 larvae) from 274 localities in 16 countries with a geographic emphasis on Central Europe. We used BOLD to generate sequence divergence metrics and to examine the taxonomic composition of the DNA barcode clusters within the dataset and in comparison with all data on BOLD. Results Over 88% of the species included can be readily identified using their DNA barcodes and the reference dataset provided. Considering the complete European dataset, unambiguous identification is hampered in 12 species due to weak mitochondrial differentiation and partial haplotype sharing. However, considering the known species distributions only two groups of five species possibly co-occur, leading to an unambiguous identification of more than 95% of the analysed Odonata via DNA barcoding in real applications. The cases of small interspecific genetic distances and the observed deep intraspecific variation in Cordulia aenea (Linnaeus, 1758) are discussed in detail and the corresponding taxa in the public reference database are highlighted. They should be considered in future applications of DNA barcoding and metabarcoding and represent interesting evolutionary biological questions, which call for in depth analyses of the involved taxa throughout their distribution ranges.
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Affiliation(s)
- Matthias Geiger
- Zoologisches Forschungsmuseum Alexander Koenig (ZFMK) - Leibniz Institute for Animal Biodiversity, Bonn, Germany
| | | | - Giacomo Assandri
- Area per l'Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano Emilia, BO, Italy
| | - Andreas Chovanec
- Federal Ministry of Agriculture, Regions and Tourism, Vienna, Austria
| | - Torbjørn Ekrem
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway
| | - Iris Fischer
- Department of Functional and Evolutionary Ecology, University of Vienna, Vienna, Austria.,Central Research Laboratories, Natural History Museum Vienna, Vienna, Austria.,Department of Evolutionary Biology, University of Vienna, Vienna, Austria
| | - Andrea Galimberti
- Department of Biotechnology and Biosciences, ZooPlantLab, University of Milano - Bicocca, Milano, Italy
| | - Michał Grabowski
- Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Łódź, Poland
| | - Elisabeth Haring
- Department of Functional and Evolutionary Ecology, University of Vienna, Vienna, Austria.,Central Research Laboratories, Natural History Museum Vienna, Vienna, Austria.,Department of Evolutionary Biology, University of Vienna, Vienna, Austria
| | - Axel Hausmann
- SNSB-Zoologische Staatssammlung, München, BY, Germany
| | - Lars Hendrich
- SNSB-Zoologische Staatssammlung, München, BY, Germany
| | - Stefan Koch
- Independent Researcher, Mindelheim, BY, Germany
| | - Tomasz Mamos
- Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Łódź, Poland
| | - Udo Rothe
- Naturkundemuseum Potsdam, Potsdam, BB, Germany
| | - Björn Rulik
- Zoologisches Forschungsmuseum Alexander Koenig (ZFMK) - Leibniz Institute for Animal Biodiversity, Bonn, Germany
| | - Tomasz Rewicz
- Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Łódź, Poland
| | - Marcia Sittenthaler
- Central Research Laboratories, Natural History Museum Vienna, Vienna, Austria
| | - Elisabeth Stur
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway
| | - Grzegorz Tończyk
- Department of Invertebrate Zoology and Hydrobiology, University of Łódź, Łódź, Poland
| | - Lukas Zangl
- Institute of Biology, University of Graz, Graz, Steiermark, Austria.,ÖKOTEAM - Institute for Animal Ecology and Landscape Planning, Graz, Steiermark, Austria.,Universalmuseum Joanneum, Studienzentrum Naturkunde, Graz, Steiermark, Austria
| | - Jerome Moriniere
- AIM - Advanced Identification Methods GmbH, Leipzig, SN, Germany
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9
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Carbonell JA, Stoks R. Thermal evolution of life history and heat tolerance during range expansions toward warmer and cooler regions. Ecology 2020; 101:e03134. [PMID: 32691873 DOI: 10.1002/ecy.3134] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 05/08/2020] [Accepted: 06/08/2020] [Indexed: 12/19/2022]
Abstract
Species' range edges are expanding to both warmer and cooler regions. Yet, no studies directly compared the changes in range-limiting traits within the same species during both types of range expansions. To increase our mechanistic understanding of range expansions, it is crucial to disentangle the contributions of plastic and genetic changes in these traits. The aim of this study was to test for plastic and evolutionary changes in heat tolerance, life history, and behavior, and compare these during range expansions toward warmer and cooler regions. Using laboratory experiments we reconstructed the thermal performance curves (TPCurves) of larval life history (survival, growth, and development rates) and larval heat tolerance (CTmax) across two recent range expansions from the core populations in southern France toward a warmer (southeastern Spain) and a cooler (northwestern Spain) region in Europe by the damselfly Ischnura elegans. First-generation larvae from field-collected mothers were reared across a range of temperatures (16°-28°C) in incubators. The range expansion to the warmer region was associated with the evolution of a greater ability to cope with high temperatures (increased mean and thermal plasticity of CTmax), faster development, and, in part, a faster growth, indicating a higher time constraints caused by a shorter time frame available for larval development associated with a transition to a greater voltinism. Our results thereby support the emerging pattern that plasticity in heat tolerance alone is inadequate to adapt to new thermal regimes. The range expansion to the cooler region was associated with faster growth indicating countergradient variation without a change in CTmax. The evolution of a faster growth rate during both range expansions could be explained by a greater digestive efficiency rather than an increased food intake. Our results highlight that range expansions to warmer and cooler regions can result in similar evolutionary changes in the TPCurves for life history, and no opposite changes in heat tolerance.
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Affiliation(s)
- José Antonio Carbonell
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, Leuven, B-3000, Belgium.,Department of Wetland Ecology, Doñana Biological Station (EBD-CSIC), Avenida Américo Vespucio 26, Isla de la Cartuja, Seville, 41042, Spain
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, Leuven, B-3000, Belgium
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10
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Heppenheimer E, Brzeski KE, Hinton JW, Chamberlain MJ, Robinson J, Wayne RK, vonHoldt BM. A Genome-Wide Perspective on the Persistence of Red Wolf Ancestry in Southeastern Canids. J Hered 2020; 111:277-286. [DOI: 10.1093/jhered/esaa006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 02/21/2020] [Indexed: 02/06/2023] Open
Abstract
Abstract
The red wolf (Canis rufus), a legally recognized and critically endangered wolf, is known to interbreed with coyotes (Canis latrans). Declared extirpated in the wild in 1980, red wolves were reintroduced to northeastern North Carolina nearly a decade later. Interbreeding with coyotes was thought to be restricted to a narrow geographic region adjacent to the reintroduced population and largely believed to threaten red wolf recovery. However, red wolf ancestry was recently discovered in canids along the American Gulf Coast, igniting a broader survey of ancestry in southeastern canid populations. Here, we examine geographic and temporal patterns of genome-wide red wolf ancestry in 260 canids across the southeastern United States at over 164 000 SNP loci. We found that red wolf ancestry was most prevalent in canids sampled from Texas in the mid-1970s, although non-trivial amounts of red wolf ancestry persist in this region today. Further, red wolf ancestry was also observed in a subset of coyotes inhabiting North Carolina, despite management efforts to limit the occurrence of hybridization events. Lastly, we found no evidence of substantial red wolf ancestry in southeastern canids outside of these 2 admixture zones. Overall, this study provides a genome-wide survey of red wolf ancestry in canids across the southeastern United States, which may ultimately inform future red wolf restoration efforts.
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Affiliation(s)
| | - Kristin E Brzeski
- Michigan Technological University, College of Forest Resources and Environmental Science, Houghton, MI
| | - Joseph W Hinton
- Department of Environmental and Forest Biology, College of Environmental Science and Forestry, State University of New York, Syracuse, NY
| | | | - Jacqueline Robinson
- Institute for Human Genetics, University of California, San Francisco, San Francisco, CA
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA
| | - Robert K Wayne
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA
| | - Bridgett M vonHoldt
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ
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11
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Menon M, Landguth E, Leal‐Saenz A, Bagley JC, Schoettle AW, Wehenkel C, Flores‐Renteria L, Cushman SA, Waring KM, Eckert AJ. Tracing the footprints of a moving hybrid zone under a demographic history of speciation with gene flow. Evol Appl 2020; 13:195-209. [PMID: 31892952 PMCID: PMC6935588 DOI: 10.1111/eva.12795] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 02/20/2019] [Accepted: 03/19/2019] [Indexed: 02/07/2023] Open
Abstract
A lack of optimal gene combinations, as well as low levels of genetic diversity, is often associated with the formation of species range margins. Conservation efforts rely on predictive modelling using abiotic variables and assessments of genetic diversity to determine target species and populations for controlled breeding, germplasm conservation and assisted migration. Biotic factors such as interspecific competition and hybridization, however, are largely ignored, despite their prevalence across diverse taxa and their role as key evolutionary forces. Hybridization between species with well-developed barriers to reproductive isolation often results in the production of offspring with lower fitness. Generation of novel allelic combinations through hybridization, however, can also generate positive fitness consequences. Despite this possibility, hybridization-mediated introgression is often considered a threat to biodiversity as it can blur species boundaries. The contribution of hybridization towards increasing genetic diversity of populations at range margins has only recently gathered attention in conservation studies. We assessed the extent to which hybridization contributes towards range dynamics by tracking spatio-temporal changes in the central location of a hybrid zone between two recently diverged species of pines: Pinus strobiformis and P. flexilis. By comparing geographic cline centre estimates for global admixture coefficient with morphological traits associated with reproductive output, we demonstrate a northward shift in the hybrid zone. Using a combination of spatially explicit, individual-based simulations and linkage disequilibrium variance partitioning, we note a significant contribution of adaptive introgression towards this northward movement, despite the potential for differences in regional population size to aid hybrid zone movement. Overall, our study demonstrates that hybridization between recently diverged species can increase genetic diversity and generate novel allelic combinations. These novel combinations may allow range margin populations to track favourable climatic conditions or facilitate adaptive evolution to ongoing and future climate change.
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Affiliation(s)
- Mitra Menon
- Integrative Life SciencesVirginia Commonwealth UniversityRichmondVirginia
| | - Erin Landguth
- School of Public and Community Health SciencesUniversity of MontanaMissoulaMontana
| | - Alejandro Leal‐Saenz
- Programa Institucional de Doctorado en Ciencias Agropecuarias y ForestalesUniversidad Juárez del Estado de DurangoDurangoMexico
| | - Justin C. Bagley
- Department of BiologyVirginia Commonwealth UniversityRichmondVirginia
| | - Anna W. Schoettle
- Rocky Mountain Research StationUSDA Forest ServiceFort CollinsColorado
| | - Christian Wehenkel
- Instituto de Silvicultura e Industria de la MaderaUniversidad Juarez del Estado de DurangoDurangoMexico
| | | | | | | | - Andrew J. Eckert
- Department of BiologyVirginia Commonwealth UniversityRichmondVirginia
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12
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Chen W, Wosula EN, Hasegawa DK, Casinga C, Shirima RR, Fiaboe KKM, Hanna R, Fosto A, Goergen G, Tamò M, Mahuku G, Murithi HM, Tripathi L, Mware B, Kumar LP, Ntawuruhunga P, Moyo C, Yomeni M, Boahen S, Edet M, Awoyale W, Wintermantel WM, Ling KS, Legg JP, Fei Z. Genome of the African cassava whitefly Bemisia tabaci and distribution and genetic diversity of cassava-colonizing whiteflies in Africa. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2019; 110:112-120. [PMID: 31102651 DOI: 10.1016/j.ibmb.2019.05.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/06/2019] [Accepted: 05/14/2019] [Indexed: 05/26/2023]
Abstract
The whitefy Bemisia tabaci, a species complex consisting of many morphologically indistinguishable species divided into distinct clades, is one of the most globally important agricultural pests and plant virus vectors. Cassava-colonizing B. tabaci transmits viruses that cause cassava mosaic disease (CMD) and cassava brown streak disease (CBSD). Half of all cassava plants in Africa are affected by these viral diseases, resulting in annual production losses of more than US$ 1 billion. Here we report the draft genome of the cassava whitefly B. tabaci Sub-Saharan Africa - East and Central Africa (SSA-ECA), the super-abundant population that has been associated with the rapid spread of viruses causing the pandemics of CMD and CBSD. The SSA-ECA genome assembled from Illumina short reads has a total size of 513.7 Mb and a scaffold N50 length of 497 kb, and contains 15,084 predicted protein-coding genes. Phylogenetic analysis suggests that SSA-ECA diverged from MEAM1 around 5.26 million years ago. A comprehensive genetic analysis of cassava-colonizing B. tabaci in Africa was also conducted, in which a total of 243 whitefly specimens were collected from 18 countries representing all major cassava-growing regions in the continent and genotyped using NextRAD sequencing. Population genomic analyses confirmed the existence of six major populations linked by gene flow and inferred the distribution patterns of these populations across the African continent. The genome of SSA-ECA and the genetic findings provide valuable resources and guidance to facilitate whitefly research and the development of strategies to control cassava viral diseases spread by whiteflies.
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Affiliation(s)
- Wenbo Chen
- Boyce Thompson Institute, Cornell University, Ithaca, NY, 14853, USA
| | - Everlyne N Wosula
- International Institute of Tropical Agriculture, Dar es Salaam, Tanzania
| | - Daniel K Hasegawa
- U.S. Department of Agriculture-Agricultural Research Service, U.S. Vegetable Laboratory, Charleston, SC, 29414, USA
| | - Clerisse Casinga
- International Institute of Tropical Agriculture, Bukavu-Kalambo, Democratic Republic of the Congo
| | - Rudolph R Shirima
- International Institute of Tropical Agriculture, Dar es Salaam, Tanzania
| | - Komi K M Fiaboe
- International Institute of Tropical Agriculture, Yaòunde, Cameroon
| | - Rachid Hanna
- International Institute of Tropical Agriculture, Yaòunde, Cameroon
| | - Apollin Fosto
- International Institute of Tropical Agriculture, Yaòunde, Cameroon
| | - Georg Goergen
- International Institute of Tropical Agriculture, Cotonou, Benin
| | - Manuele Tamò
- International Institute of Tropical Agriculture, Cotonou, Benin
| | - George Mahuku
- International Institute of Tropical Agriculture, Dar es Salaam, Tanzania
| | - Harun M Murithi
- International Institute of Tropical Agriculture, Dar es Salaam, Tanzania
| | - Leena Tripathi
- International Institute of Tropical Agriculture, Nairobi, Kenya
| | - Bernard Mware
- International Institute of Tropical Agriculture, Nairobi, Kenya
| | - Lava P Kumar
- International Institute of Tropical Agriculture, Ibadan, Nigeria
| | | | - Christopher Moyo
- International Institute of Tropical Agriculture, Lilongwe, Malawi
| | - Marie Yomeni
- International Institute of Tropical Agriculture, Freetown, Sierra Leone
| | - Stephen Boahen
- International Institute of Tropical Agriculture, Nampula, Mozambique
| | - Michael Edet
- International Institute of Tropical Agriculture, Monrovia, Liberia
| | - Wasiu Awoyale
- International Institute of Tropical Agriculture, Monrovia, Liberia
| | - William M Wintermantel
- U.S. Department of Agriculture-Agricultural Research Service, Crop Improvement and Protection Research, Salinas, CA, 93905, USA
| | - Kai-Shu Ling
- U.S. Department of Agriculture-Agricultural Research Service, U.S. Vegetable Laboratory, Charleston, SC, 29414, USA
| | - James P Legg
- International Institute of Tropical Agriculture, Dar es Salaam, Tanzania.
| | - Zhangjun Fei
- Boyce Thompson Institute, Cornell University, Ithaca, NY, 14853, USA; U.S. Department of Agriculture-Agricultural Research Service, Robert W. Holley Center for Agriculture and Health, Ithaca, NY, 14853, USA.
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13
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Wellenreuther M, Muñoz J, Chávez‐Ríos JR, Hansson B, Cordero‐Rivera A, Sánchez‐Guillén RA. Molecular and ecological signatures of an expanding hybrid zone. Ecol Evol 2018; 8:4793-4806. [PMID: 29876058 PMCID: PMC5980427 DOI: 10.1002/ece3.4024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/19/2018] [Accepted: 02/20/2018] [Indexed: 01/17/2023] Open
Abstract
Many species are currently changing their distributions and subsequently form sympatric zones with hybridization between formerly allopatric species as one possible consequence. The damselfly Ischnura elegans has recently expanded south into the range of its ecologically and morphologically similar sister species Ischnura graellsii. Molecular work shows ongoing introgression between these species, but the extent to which this species mixing is modulated by ecological niche use is not known. Here, we (1) conduct a detailed population genetic analysis based on molecular markers and (2) model the ecological niche use of both species in allopatric and sympatric regions. Population genetic analyses showed chronic introgression between I. elegans and I. graellsii across a wide part of Spain, and admixture analysis corroborated this, showing that the majority of I. elegans from the sympatric zone could not be assigned to either the I. elegans or I. graellsii species cluster. Niche modeling demonstrated that I. elegans has modified its environmental niche following hybridization and genetic introgression with I. graellsii, making niche space of introgressed I. elegans populations more similar to I. graellsii. Taken together, this corroborates the view that adaptive introgression has moved genes from I. graellsii into I. elegans and that this process is enabling Spanish I. elegans to occupy a novel niche, further facilitating its expansion. Our results add to the growing evidence that hybridization can play an important and creative role in the adaptive evolution of animals.
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Affiliation(s)
- Maren Wellenreuther
- Department of BiologyLund UniversityLundSweden
- The New Zealand Institute for Plant & Food Research LtdNelsonNew Zealand
| | | | - Jesús R. Chávez‐Ríos
- Departamento de Biología Celular y FisiologíaUnidad Periférica TlaxcalaInstituto de Investigaciones BiomédicasUniversidad Nacional Autónoma de MéxicoTlaxcalaMéxico
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