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Hudson CM, Cuenca Cambronero M, Moosmann M, Narwani A, Spaak P, Seehausen O, Matthews B. Environmentally independent selection for hybrids between divergent freshwater stickleback lineages in semi-natural ponds. J Evol Biol 2023; 36:1166-1184. [PMID: 37394735 DOI: 10.1111/jeb.14194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/03/2023] [Accepted: 05/31/2023] [Indexed: 07/04/2023]
Abstract
Hybridization following secondary contact of genetically divergent populations can influence the range expansion of invasive species, though specific outcomes depend on the environmental dependence of hybrid fitness. Here, using two genetically and ecologically divergent threespine stickleback lineages that differ in their history of freshwater colonization, we estimate fitness variation of parental lineages and hybrids in semi-natural freshwater ponds with contrasting histories of nutrient loading. In our experiment, we found that fish from the older freshwater lineage (Lake Geneva) and hybrids outperformed fish from the younger freshwater lineage (Lake Constance) in terms of both growth and survival, regardless of the environmental context of our ponds. Across all ponds, hybrids exhibited the highest survival. Although wild-caught adult populations differed in their functional and defence morphology, it is unclear which of these traits underlie the fitness differences observed among juveniles in our experiment. Overall, our work suggests that when hybrid fitness is insensitive to environmental conditions, as observed here, introgression may promote population expansion into unoccupied habitats and accelerate invasion success.
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Affiliation(s)
- Cameron Marshall Hudson
- Department of Fish Ecology and Evolution, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry, Lucerne, Switzerland
- Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
- Department of Aquatic Ecology, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Zürich, Switzerland
| | - Maria Cuenca Cambronero
- Department of Fish Ecology and Evolution, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry, Lucerne, Switzerland
- Aquatic Ecology Group, University of Vic, Central University of Catalonia, Vic, Spain
| | - Marvin Moosmann
- Department of Fish Ecology and Evolution, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry, Lucerne, Switzerland
- Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
| | - Anita Narwani
- Department of Aquatic Ecology, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Zürich, Switzerland
| | - Piet Spaak
- Department of Aquatic Ecology, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Zürich, Switzerland
| | - Ole Seehausen
- Department of Fish Ecology and Evolution, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry, Lucerne, Switzerland
- Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
| | - Blake Matthews
- Department of Fish Ecology and Evolution, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry, Lucerne, Switzerland
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Hudson CM, Ladd SN, Leal MC, Schubert CJ, Seehausen O, Matthews B. Fit and fatty freshwater fish: contrasting polyunsaturated fatty acid phenotypes between hybridizing stickleback lineages. OIKOS 2021. [DOI: 10.1111/oik.08558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Cameron M. Hudson
- Dept of Fish Ecology and Evolution, Eawag, Swiss Federal Inst. of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry Kastanienbaum Switzerland
- Aquatic Ecology and Evolution, Inst. of Ecology and Evolution, Univ. of Bern Bern Switzerland
| | - S. Nemiah Ladd
- Dept of Surface Waters – Research and Management, Eawag, Swiss Federal Inst. of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry Kastanienbaum Switzerland
- Ecosystem Physiology, Univ. of Freiburg Freiburg Germany
| | - Miguel C. Leal
- ECOMARE, CESAM – Center for Environmental and Marine Studies, Dept of Biology, Univ. of Aveiro, Campus Universitário de Santiago Aveiro Portugal
| | - Carsten J. Schubert
- Dept of Surface Waters – Research and Management, Eawag, Swiss Federal Inst. of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry Kastanienbaum Switzerland
| | - Ole Seehausen
- Dept of Fish Ecology and Evolution, Eawag, Swiss Federal Inst. of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry Kastanienbaum Switzerland
- Aquatic Ecology and Evolution, Inst. of Ecology and Evolution, Univ. of Bern Bern Switzerland
| | - Blake Matthews
- Dept of Fish Ecology and Evolution, Eawag, Swiss Federal Inst. of Aquatic Science and Technology, Center of Ecology, Evolution and Biochemistry Kastanienbaum Switzerland
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Hudson CM, Lucek K, Marques DA, Alexander TJ, Moosmann M, Spaak P, Seehausen O, Matthews B. Threespine Stickleback in Lake Constance: The Ecology and Genomic Substrate of a Recent Invasion. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2020.611672] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Invasive species can be powerful models for studying contemporary evolution in natural environments. As invading organisms often encounter new habitats during colonization, they will experience novel selection pressures. Threespine stickleback (Gasterosteus aculeatus complex) have recently colonized large parts of Switzerland and are invasive in Lake Constance. Introduced to several watersheds roughly 150 years ago, they spread across the Swiss Plateau (400–800 m a.s.l.), bringing three divergent hitherto allopatric lineages into secondary contact. As stickleback have colonized a variety of different habitat types during this recent range expansion, the Swiss system is a useful model for studying contemporary evolution with and without secondary contact. For example, in the Lake Constance region there has been rapid phenotypic and genetic divergence between a lake population and some stream populations. There is considerable phenotypic variation within the lake population, with individuals foraging in and occupying littoral, offshore pelagic, and profundal waters, the latter of which is a very unusual habitat for stickleback. Furthermore, adults from the lake population can reach up to three times the size of adults from the surrounding stream populations, and are large by comparison to populations globally. Here, we review the historical origins of the threespine stickleback in Switzerland, and the ecomorphological variation and genomic basis of its invasion in Lake Constance. We also outline the potential ecological impacts of this invasion, and highlight the interest for contemporary evolution studies.
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Marques DA, Lucek K, Sousa VC, Excoffier L, Seehausen O. Admixture between old lineages facilitated contemporary ecological speciation in Lake Constance stickleback. Nat Commun 2019; 10:4240. [PMID: 31534121 PMCID: PMC6751218 DOI: 10.1038/s41467-019-12182-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 08/27/2019] [Indexed: 01/25/2023] Open
Abstract
Ecological speciation can sometimes rapidly generate reproductively isolated populations coexisting in sympatry, but the origin of genetic variation permitting this is rarely known. We previously explored the genomics of very recent ecological speciation into lake and stream ecotypes in stickleback from Lake Constance. Here, we reconstruct the origin of alleles underlying ecological speciation by combining demographic modelling on genome-wide single nucleotide polymorphisms, phenotypic data and mitochondrial sequence data in the wider European biogeographical context. We find that parallel differentiation between lake and stream ecotypes across replicate lake-stream ecotones resulted from recent secondary contact and admixture between old East and West European lineages. Unexpectedly, West European alleles that introgressed across the hybrid zone at the western end of the lake, were recruited to genomic islands of differentiation between ecotypes at the eastern end of the lake. Our results highlight an overlooked outcome of secondary contact: ecological speciation facilitated by admixture variation. Ecological speciation can proceed rapidly, but the origin of genetic variation facilitating it has remained elusive. Here, the authors show that secondary contact and introgression between deeply diverged lineages of stickleback fish facilitated rapid ecological speciation into lake and stream ecotypes in Lake Constance.
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Affiliation(s)
- David A Marques
- Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland.,Department of Fish Ecology and Evolution, EAWAG Swiss Federal Institute of Aquatic Science and Technology, Center for Ecology, Evolution and Biogeochemistry, Seestrasse 79, CH-6047, Kastanienbaum, Switzerland.,Computational and Molecular Population Genetics, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland
| | - Kay Lucek
- Department of Environmental Sciences, University of Basel, Schönbeinstrasse 6, CH-4056, Basel, Switzerland
| | - Vitor C Sousa
- Computational and Molecular Population Genetics, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland.,Centre for Ecology, Evolution and Environmental Changes, University of Lisbon, Campo Grande 016, 1749-016, Lisbon, Portugal
| | - Laurent Excoffier
- Computational and Molecular Population Genetics, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland.,Swiss Institute of Bioinformatics, 1015, Lausanne, Switzerland
| | - Ole Seehausen
- Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland. .,Department of Fish Ecology and Evolution, EAWAG Swiss Federal Institute of Aquatic Science and Technology, Center for Ecology, Evolution and Biogeochemistry, Seestrasse 79, CH-6047, Kastanienbaum, Switzerland.
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Yorisue T, Yoshioka Y, Sakuma K, Iguchi A. Evaluating the occurrence of cryptic invasions of a rocky shore barnacle, Semibalanus cariosus, between the north-eastern Pacific and Japan. BIOFOULING 2018; 34:183-189. [PMID: 29378431 DOI: 10.1080/08927014.2017.1421636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 12/21/2017] [Indexed: 06/07/2023]
Abstract
Many coastal barnacles are introduced to non-native regions. However, data are lacking on cryptic invasion, which is defined as an invasion that remains unrecognised because the invader is mistaken for a native or previously introduced species or clade. In this work, cryptic invasions of an intertidal barnacle, Semibalanus cariosus, between Japan and the north-eastern Pacific were evaluated based on population genetic analyses. A significant genetic differentiation was found between the Japanese and north-eastern Pacific populations, suggesting a limited introduction of non-native genotypes between these regions. Haplotype frequencies did not differ significantly between the past (museum samples collected in 1971 from Hokkaido, Japan) and present Japanese populations, implying the rare occurrence of human-mediated migration from the north-eastern Pacific to Japan. Migrate-n analysis revealed a low level of directional gene flow in S. cariosus from the north-eastern Pacific to Japan, possibly by natural stepping-stone dispersal via directional water currents or human-mediated transport.
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Affiliation(s)
- Takefumi Yorisue
- a Akkeshi Marine Station, Field Science Center for Northern Biosphere , Hokkaido University , Akkeshi , Japan
| | - Yuki Yoshioka
- b Department of Bioresources Engineering , National Institute of Technology, Okinawa College , Nago , Japan
| | - Kay Sakuma
- c Japan Sea National Fisheries Research Institute , Fisheries Research and Education Agency , Niigata , Japan
| | - Akira Iguchi
- b Department of Bioresources Engineering , National Institute of Technology, Okinawa College , Nago , Japan
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Genetic structure, diversity, and hybridization in populations of the rare arctic relict Euphrasia hudsoniana (Orobanchaceae) and its invasive congener Euphrasia stricta. CONSERV GENET 2017. [DOI: 10.1007/s10592-017-0995-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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