ArticleGenetics2011
Local selection across a latitudinal gradient shapes nucleotide diversity in balsam poplar, Populus balsamifera L.
Article in Genetics, 2011. 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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15 citing papers in PubMed, 52 citations in OpenAlex.
- Comprehensive genome-wide analysis of the GmFRIGIDA gene family in soybean: identification, characterization, and expression dynamics.Frontiers in plant science · 2025Article
- Local climate and vernalization sensitivity predict the latitudinal patterns of flowering onset in the crop wild relative Linum bienne Mill.Annals of botany · 2024Article
- Candidates for Balancing Selection in Leishmania donovani Complex Parasites.Genome biology and evolution · 2021Article
- Demographic history and adaptive synonymous and nonsynonymous variants of nuclear genes in Rhododendron oldhamii (Ericaceae).Scientific reports · 2020Article
- Genetic adaptation of Tibetan poplar (Ecology and evolution · 2020Article
- The microbiota influences the Drosophila melanogaster life history strategy.Molecular ecology · 2020Article
- Functional divergence and intron variability during evolution of angiosperm TERMINAL FLOWER1 (TFL1) genes.Scientific reports · 2017Article
- Distinct patterns of natural selection in NaEcology and evolution · 2017Article
- Comparative population genomics of latitudinal variation in Drosophila simulans and Drosophila melanogaster.Molecular ecology · 2016Article
- Geographical barriers and climate influence demographic history in narrowleaf cottonwoods.Heredity · 2015Article
- Using archaeogenomic and computational approaches to unravel the history of local adaptation in crops.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2015Review
- Demographic History, Population Structure, and Local Adaptation in Alpine Populations of Cardamine impatiens and Cardamine resedifolia.PloS one · 2015Article
- Genotyping-by-sequencing for Populus population genomics: an assessment of genome sampling patterns and filtering approaches.PloS one · 2014Article
- Article
- Functional alleles of the flowering time regulator FRIGIDA in the Brassica oleracea genome.BMC plant biology · 2012Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Molecular studies of adaptive evolution often focus on detecting selective sweeps driven by positive selection on a species-wide scale; however, much adaptation is local, particularly of ecologically important traits. Here, we look for evidence of range-wide and local adaptation at candidate genes for adaptive phenology in balsam poplar, Populus balsamifera, a widespread forest tree whose range extends across environmental gradients of photoperiod and growing season length. We examined nucleotide diversity of 27 poplar homologs of the flowering-time network-a group of genes that control plant developmental phenology through interactions with environmental cues such as photoperiod and temperature. Only one gene, ZTL2, showed evidence of reduced diversity and an excess of fixed replacement sites, consistent with a species-wide selective sweep. Two other genes, LFY and FRI, harbored high levels of nucleotide diversity and exhibited elevated differentiation between northern and southern accessions, suggesting local adaptation along a latitudinal gradient. Interestingly, FRI has also been identified as a target of local selection between northern and southern accessions of Arabidopsis thaliana, indicating that this gene may be commonly involved in ecological adaptation in distantly related species. Our findings suggest an important role for local selection shaping molecular diversity and reveal limitations of inferring molecular adaptation from analyses designed only to detect species-wide selective sweeps.
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