ArticleBMC evolutionary biology2018
Contemporary ancestor? Adaptive divergence from standing genetic variation in Pacific marine threespine stickleback.
Article in BMC evolutionary biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Ontogeny of escape response and body shape in threespine stickleback (Gasterosteus aculeatus L.).Journal of fish biology · 2026Article
- Ecological speciation in allopatry is rooted in older divergence.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Effect of Marine Reference on Inferred Evolutionary Patterns of Freshwater Stickleback.Ecology and evolution · 2025Article
- Population genetic insights into establishment, adaptation, and dispersal of the invasive quagga mussel across perialpine lakes.Evolutionary applications · 2024Article
- Genetic structure and historic demography of endangered unarmoured threespine stickleback at southern latitudes signals a potential new management approach.Molecular ecology · 2022Article
- Characterizing phenotypic diversity in marine populations of the threespine stickleback.Scientific reports · 2022Article
- Sexually mediated phenotypic variation within and between sexes as a continuum structured by ecology: The mosaic nature of skeletal variation across body regions in Threespine stickleback (Ecology and evolution · 2022Article
- Variation in intraspecific demography drives localised concordance but species-wide discordance in response to past climatic change.BMC ecology and evolution · 2022Article
- Adaptive divergence and the evolution of hybrid trait mismatch in threespine stickleback.Evolution letters · 2022Article
- Comparing genome scans among species of the stickleback order reveals three different patterns of genetic diversity.Ecology and evolution · 2022Article
- Meta-analysis: Congruence of genomic and phenotypic differentiation across diverse natural study systems.Evolutionary applications · 2021Article
- Mitochondrial volume density and evidence for its role in adaptive divergence in response to thermal tolerance in threespine stickleback.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2021Article
- A three-pronged approach that leans on Indigenous knowledge for northern fish monitoring and conservation.Evolutionary applications · 2021Article
- The power and limitations of gene expression pathway analyses toward predicting population response to environmental stressors.Evolutionary applications · 2020Article
- Genetic divergence outpaces phenotypic evolution among threespine stickleback populations in old freshwater habitats.Biological journal of the Linnean Society. Linnean Society of London · 2019Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundPopulations that have repeatedly colonized novel environments are useful for studying the role of ecology in adaptive divergence - particularly if some individuals persist in the ancestral habitat. Such "contemporary ancestors" can be used to demonstrate the effects of selection by comparing phenotypic and genetic divergence between the derived population and their extant ancestors. However, evolution and demography in these "contemporary ancestors" can complicate inferences about the source (standing genetic variation, de novo mutation) and pace of adaptive divergence. Marine threespine stickleback (Gasterosteus aculeatus) have colonized freshwater environments along the Pacific coast of North America, but have also persisted in the marine environment. To what extent are marine stickleback good proxies of the ancestral condition?
resultsWe sequenced > 5800 variant loci in over 250 marine stickleback from eight locations extending from Alaska to California, and phenotyped them for platedness and body shape. Pairwise F
conclusionsMarine stickleback are structured into phenotypically and genetically distinct populations that have been evolving as freshwater stickleback evolved. This variation complicates their usefulness as proxies of the ancestors of freshwater populations. Lessons from stickleback may be applied to other "contemporary ancestor"-derived population studies.
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