ArticleThe New phytologist2022
A polygenic architecture with habitat-dependent effects underlies ecological differentiation in Silene.
Article in The New phytologist, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 6 citations in OpenAlex.
- Silene, a versatile model system: from sex and genome evolution to ecology and speciation.The New phytologist · 2026Review
- Genomic responses to increased temperature and pollinator selection in Brassica rapa L.The New phytologist · 2026Article
- Genome-wide association study (GWAS) provides insights into the genomic basis of reproduction-related traits in Chouardia litardierei (Asparagaceae).BMC plant biology · 2025Article
- The Ecology of Hybrid Incompatibilities.Cold Spring Harbor perspectives in biology · 2024Review
- Polygenic routes lead to parallel altitudinal adaptation in Heliosperma pusillum (Caryophyllaceae).Molecular ecology · 2023Article
- Gene-by-environment interactions in plants: Molecular mechanisms, environmental drivers, and adaptive plasticity.The Plant cell · 2023Review
- The diverse effects of phenotypic dominance on hybrid fitness.Evolution; international journal of organic evolution · 2022Article
- Using singleton densities to detect recent selection inEvolution letters · 2021Article
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Authors and funding
5 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ecological differentiation can drive speciation but it is unclear how the genetic architecture of habitat-dependent fitness contributes to lineage divergence. We investigated the genetic architecture of cumulative flowering, a fitness component, in second-generation hybrids between Silene dioica and Silene latifolia transplanted into the natural habitat of each species. We used reduced-representation sequencing and Bayesian sparse linear mixed models (BSLMMs) to analyze the genetic control of cumulative flowering in each habitat. Our results point to a polygenic architecture of cumulative flowering. Allelic effects were mostly beneficial or deleterious in one habitat and neutral in the other. Positive-effect alleles often were derived from the native species, whereas negative-effect alleles, at other loci, tended to originate from the non-native species. We conclude that ecological differentiation is governed and maintained by many loci with small, habitat-dependent effects consistent with conditional neutrality. This pattern may result from differences in selection targets in the two habitats and from environmentally dependent deleterious load. Our results further suggest that selection for native alleles and against non-native alleles acts as a barrier to gene flow between species.
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