ArticlePloS one2011
Isolation by elevation: genetic structure at neutral and putatively non-neutral loci in a dominant tree of subtropical forests, Castanopsis eyrei.
Article in PloS one, 2011. 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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20 citing papers in PubMed.
- Effects of soil and climatic factors on the potential distribution ofFrontiers in plant science · 2026Article
- Development and Application of Novel SSR Markers to Assess the Genetic Diversity and Population Structure ofPlants (Basel, Switzerland) · 2025Article
- Evolution of the Correlated Genomic Variation Landscape Across a Divergence Continuum in the Genus Castanopsis.Molecular biology and evolution · 2024Article
- Population differentiation and dynamics of five pioneer species of Gaultheria from the secondary forests in subtropical China.BMC plant biology · 2024Article
- A chromosome-scale genome assembly ofFrontiers in plant science · 2023Article
- Genetic diversity and differentiation of populations ofEcology and evolution · 2022Article
- Assessing signals of selection and historical demography to develop conservation strategies in the Chilean emblematic Araucaria araucana.Scientific reports · 2021Article
- Panmixia across elevation in thermally sensitive Andean dung beetles.Ecology and evolution · 2020Article
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- Characterizing the genetic diversity of the Andean blueberry (Vaccinium floribundum Kunth.) across the Ecuadorian Highlands.PloS one · 2020Article
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- Elevation, Not Deforestation, Promotes Genetic Differentiation in a Pioneer Tropical Tree.PloS one · 2016Article
- Great influence of geographic isolation on the genetic differentiation of Myriophyllum spicatum under a steep environmental gradient.Scientific reports · 2015Article
- Elevation as a barrier: genetic structure for an Atlantic rain forest tree (Bathysa australis) in the Serra do Mar mountain range, SE Brazil.Ecology and evolution · 2015Article
- A unifying study of phenotypic and molecular genetic variability in natural populations of Anadenanthera colubrina var. cebil from Yungas and Paranaense biogeographic provinces in Argentina.Journal of genetics · 2014Article
- Outlier Loci and Selection Signatures of Simple Sequence Repeats (SSRs) in Flax (Plant molecular biology reporter · 2013Article
- Article
- Species Differentiation on a Dynamic Landscape: Shifts in Metapopulation Genetic Structure Using the Chronology of the Hawaiian Archipelago.Evolutionary biology · 2012Article
- Patterns of genetic variation across altitude in three plant species of semi-dry grasslands.PloS one · 2012Article
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4 authors.
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Abstract
backgroundThe distribution of genetic diversity among plant populations growing along elevational gradients can be affected by neutral as well as selective processes. Molecular markers used to study these patterns usually target neutral processes only, but may also be affected by selection. In this study, the effects of elevation and successional stage on genetic diversity of a dominant tree species were investigated controlling for neutrality of the microsatellite loci used. METHODOLOGY/PRINCIPAL
findingsDiversity and differentiation among 24 populations of Castanopsis eyrei from different elevations (251-920 m) and successional stages were analysed by eight microsatellite loci. We found that one of the loci (Ccu97H18) strongly deviated from a neutral model of differentiation among populations due to either divergent selection or hitchhiking with an unknown selected locus. The analysis showed that C. eyrei populations had a high level of genetic diversity within populations (A(R) = 7.6, H(E) = 0.82). Genetic variation increased with elevation for both the putatively selected locus Ccu97H18 and the neutral loci. At locus Ccu97H18 one allele was dominant at low elevations, which was replaced at higher elevations by an increasing number of other alleles. The level of genetic differentiation at neutral loci was similar to that of other Fagaceae species (F(ST) = 0.032, = 0.15). Population differentiation followed a model of isolation by distance but additionally, strongly significant isolation by elevation was found, both for neutral loci and the putatively selected locus. CONCLUSIONS/SIGNIFICANCE: The results indicate higher gene flow among similar elevational levels than across different elevational levels and suggest a selective influence of elevation on the distribution of genetic diversity in C. eyrei. The study underlines the importance to check the selective neutrality of marker loci in analyses of population structure.
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