ArticleGenome biology and evolution2016
Molecular Evolutionary Consequences of Island Colonization.
Article in Genome biology and evolution, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Cryptic Divergence ofAnimals : an open access journal from MDPI · 2025Article
- Genomic and biogeographic patterns of endemic geckos in the Galapagos Islands reveal population structure and species delimitation on inhabited islands.Scientific reports · 2025Article
- How Did Evolution Halve Genome Size During an Oceanic Island Colonization?Molecular biology and evolution · 2025Article
- Article
- Low genetic diversity and weak population structure of Albizia odoratissima on Hainan Island.BMC plant biology · 2025Article
- Genomes of Galápagos Mockingbirds Reveal the Impact of Island Size and Past Demography on Inbreeding and Genetic Load in Contemporary Populations.Molecular ecology · 2025Article
- Genomic signatures of convergent shifts to plunge-diving behavior in birds.Communications biology · 2023Article
- What Determines Levels of Mitochondrial Genetic Diversity in Birds?Genome biology and evolution · 2023Article
- A Nearly Neutral Model of Molecular Signatures of Natural Selection after Change in Population Size.Genome biology and evolution · 2022Article
- Does effective population size affect rates of molecular evolution: Mitochondrial data for host/parasite species pairs in bees suggests not.Ecology and evolution · 2022Article
- Article
- Scientists' warning - The outstanding biodiversity of islands is in peril.Global ecology and conservation · 2021Review
- Article
- Fine-scale genetic structure in the critically endangered red-fronted macaw in the absence of geographic and ecological barriers.Scientific reports · 2021Article
- Genetic diversity, demographic history and neo-sex chromosomes in the Critically Endangered Raso lark.Proceedings. Biological sciences · 2020Article
- Purifying Selection in Corvids Is Less Efficient on Islands.Molecular biology and evolution · 2020Article
- Article
- Madeiran Arabidopsis thaliana Reveals Ancient Long-Range Colonization and Clarifies Demography in Eurasia.Molecular biology and evolution · 2018Article
- Genetic diversity is largely unpredictable but scales with museum occurrences in a species-rich clade of Australian lizards.Proceedings. Biological sciences · 2017Article
- Darwinism for the Genomic Age: Connecting Mutation to Diversification.Frontiers in genetics · 2017Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Island endemics are expected to have low effective population sizes (Ne), first because some may experience population bottlenecks when they are founded, and second because they have restricted ranges. Therefore, we expect island species to have reduced genetic diversity, inefficient selection, and reduced adaptive potential compared with their mainland counterparts. We used both polymorphism and substitution data to address these predictions, improving on the approach of recent studies that only used substitution data. This allowed us to directly test the assumption that island species have small values of Ne We found that island species had significantly less genetic diversity than mainland species; however, this pattern could be attributed to a subset of island species that appeared to have undergone a recent population bottleneck. When these species were excluded from the analysis, island and mainland species had similar levels of genetic diversity, despite island species occupying considerably smaller areas than their mainland counterparts. We also found no overall difference between island and mainland species in terms of the effectiveness of selection or the mutation rate. Our evidence suggests that island colonization has no lasting impact on molecular evolution. This surprising result highlights gaps in our knowledge of the relationship between census and effective population size.
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