ArticleScientific reports2019
Comparative linkage mapping of diploid, tetraploid, and hexaploid Avena species suggests extensive chromosome rearrangement in ancestral diploids.
Article in Scientific reports, 2019. 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.
- Super-pangenome analyses across 35 accessions of 23 Avena species highlight their complex evolutionary history and extensive genomic diversity.Nature genetics · 2025Article
- High-quality genome of allotetraploid Avena barbata provides insights into the origin and evolution of B subgenome in Avena.Journal of integrative plant biology · 2025Article
- Insights from the genomes of 4 diploid Camelina spp.G3 (Bethesda, Md.) · 2022Article
- Breeding oat for resistance to the crown rust pathogen Puccinia coronata f. sp. avenae: achievements and prospects.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Review
- Changing patterns of genetic differentiation in the slender wild oat,Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- A reference-anchored oat linkage map reveals quantitative trait loci conferring adult plant resistance to crown rust (Puccinia coronata f. sp. avenae).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- New Insights into the Genomic Structure ofPlants (Basel, Switzerland) · 2022Article
- Oat chromosome and genome evolution defined by widespread terminal intergenomic translocations in polyploids.Frontiers in plant science · 2022Article
- Subtelomeric assembly of a multi-gene pathway for antimicrobial defense compounds in cereals.Nature communications · 2021Article
- Cytogenetic evidence supports Avena insularis being closely related to hexaploid oats.PloS one · 2021Article
- QTL Mapping for Resistance to Cankers Induced byPathogens (Basel, Switzerland) · 2020Article
- Ancestral Reconstruction of Karyotypes Reveals an Exceptional Rate of Nonrandom Chromosomal Evolution in Sunflower.Genetics · 2020Article
- High-Density Genetic Linkage Mapping ofFrontiers in plant science · 2020Article
- Genomic insights from the first chromosome-scale assemblies of oat (Avena spp.) diploid species.BMC biology · 2019Article
- Genome Synteny Has Been Conserved Among the Octoploid Progenitors of Cultivated Strawberry Over Millions of Years of Evolution.Frontiers in plant science · 2019Article
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4 authors.
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Abstract
The genus Avena (oats) contains diploid, tetraploid and hexaploid species that evolved through hybridization and polyploidization. Four genome types (named A through D) are generally recognized. We used GBS markers to construct linkage maps of A genome diploid (Avena strigosa x A. wiestii, 2n = 14), and AB genome tetraploid (A. barbata 2n = 28) oats. These maps greatly improve coverage from older marker systems. Seven linkage groups in the tetraploid showed much stronger homology and synteny with the A genome diploids than did the other seven, implying an allopolyploid hybrid origin of A. barbata from distinct A and B genome diploid ancestors. Inferred homeologies within A. barbata revealed that the A and B genomes are differentiated by several translocations between chromosomes within each subgenome. However, no translocation exchanges were observed between A and B genomes. Comparison to a consensus map of ACD hexaploid A. sativa (2n = 42) revealed that the A and D genomes of A. sativa show parallel rearrangements when compared to the A genomes of the diploids and tetraploids. While intergenomic translocations are well known in polyploid Avena, our results are most parsimoniously explained if translocations also occurred in the A, B and D genome diploid ancestors of polyploid Avena.
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