ArticleBMC plant biology2006
Microsatellite diversity and broad scale geographic structure in a model legume: building a set of nested core collection for studying naturally occurring variation in Medicago truncatula.
Article in BMC plant biology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed.
- Exploring the genetic diversity of the IPK Medicago germplasm collection using GBS.Plant biology (Stuttgart, Germany) · 2026Article
- ISSR-Based Genetic Diversity and Structure ofLife (Basel, Switzerland) · 2025Article
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- A linkage disequilibrium-based statistical test for Genome-Wide Epistatic Selection Scans in structured populations.Heredity · 2021Article
- Selection of a core collection of Prunus sibirica L. germplasm by a stepwise clustering method using simple sequence repeat markers.PloS one · 2021Article
- How and When Does Outcrossing Occur in the Predominantly Selfing SpeciesFrontiers in plant science · 2021Article
- Physical Dormancy Release inPlants (Basel, Switzerland) · 2020Article
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- Integrated metabolomics identifies CYP72A67 and CYP72A68 oxidases in the biosynthesis of Medicago truncatula oleanate sapogenins.Metabolomics : Official journal of the Metabolomic Society · 2019Article
- WhoGEM: an admixture-based prediction machine accurately predicts quantitative functional traits in plants.Genome biology · 2019Article
- Drought stress stimulates endocytosis and modifies membrane lipid order of rhizodermal cells of Medicago truncatula in a genotype-dependent manner.BMC plant biology · 2019Article
- Large-Scale Profiling of Saponins in Different Ecotypes ofFrontiers in plant science · 2019Article
- Mitochondrial DNA is unsuitable to test for isolation by distance.Scientific reports · 2018Article
- Exploring structural variation and gene family architecture with De Novo assemblies of 15 Medicago genomes.BMC genomics · 2017Article
- Is there genetic variation in mycorrhization ofPeerJ · 2017Article
- Genomic Signature of Selective Sweeps Illuminates Adaptation of Medicago truncatula to Root-Associated Microorganisms.Molecular biology and evolution · 2015Article
- Developing core collections to optimize the management and the exploitation of diversity of the coffee Coffea canephora.Genetica · 2014Article
- Patterns of divergence of a large family of nodule cysteine-rich peptides in accessions of Medicago truncatula.The Plant journal : for cell and molecular biology · 2014Article
- A tandem array of CBF/DREB1 genes is located in a major freezing tolerance QTL region on Medicago truncatula chromosome 6.BMC genomics · 2013Article
- Genetic variability and QTL mapping of freezing tolerance and related traits in Medicago truncatula.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
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6 authors.
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Abstract
backgroundExploiting genetic diversity requires previous knowledge of the extent and structure of the variation occurring in a species. Such knowledge can in turn be used to build a core-collection, i.e. a subset of accessions that aim at representing the genetic diversity of this species with a minimum of repetitiveness. We investigate the patterns of genetic diversity and population structure in a collection of 346 inbred lines representing the breadth of naturally occurring diversity in the Legume plant model Medicago truncatula using 13 microsatellite loci distributed throughout the genome.
resultsWe confirm the uniqueness of all these genotypes and reveal a large amount of genetic diversity and allelic variation within this autogamous species. Spatial genetic correlation was found only for individuals originating from the same population and between neighbouring populations. Using a model-based clustering algorithm, we identified four main genetic clusters in the set of individuals analyzed. This stratification matches broad geographic regions. We also identified a set of "admixed" individuals that do not fit with this population structure scheme.
conclusionThe stratification inferred is discussed considering potential historical events like expansion, refuge history and admixture between neighbouring groups. Information on the allelic richness and the inferred population structure are used to build a nested core-collection. The set of inbred lines and the core collections are publicly available and will help coordinating efforts for the study of naturally occurring variation in the growing Medicago truncatula community.
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