ArticlePlant biotechnology journal2017
Mapping of homoeologous chromosome exchanges influencing quantitative trait variation in Brassica napus.
Article in Plant biotechnology journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers.
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Who cites it
50 citing papers in PubMed.
- Homoeologous exchange-associated ABA catabolism rewiring contributes to salinity tolerance in a synthetic tetraploid rice.Plant cell reports · 2026Article
- Long-read low-pass sequencing enhances variant detection in a peanut MAGIC population.G3 (Bethesda, Md.) · 2026Article
- Genome-Wide Characterization and Expression Profiling of theLife (Basel, Switzerland) · 2026Article
- Haploid Mutation Mapping Identifies a Homoeologous Non-Reciprocal Translocation Linked to Reduced Fibre and Enhanced Protein in Brassica napus.Plant biotechnology journal · 2026Article
- Pangenomic structural variant patterns reflect evolutionary diversification in Brassica napus.Genome biology · 2025Article
- Substantial non-homologous recombination and structural variation results from Brassica AABC and CCAB hybrid meiosis.The Plant journal : for cell and molecular biology · 2025Article
- Genome analyses and breeding of polyploid crops.Nature plants · 2025Review
- Integrating genome assembly, structural variation map construction and GWAS reveal the impact of SVs on agronomic traits of Brassica napus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Evolutionary divergence of subgenomes in common carp provides insights into speciation and allopolyploid success.Fundamental research · 2024Article
- Article
- Homoeologous non-reciprocal translocation explains a major QTL for seed lignin content in oilseed rape (Brassica napus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Transposon signatures of allopolyploid genome evolution.Nature communications · 2023Article
- Transgressive and parental dominant gene expression and cytosine methylation during seed development in Brassica napus hybrids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Whole-genome sequence of synthetically derived Brassica napus inbred cultivar Da-Ae.G3 (Bethesda, Md.) · 2023Article
- Patterns of Chromosomal Variation, Homoeologous Exchange, and Their Relationship with Genomic Features in Early Generations of a Synthetic Rice Segmental Allotetraploid.International journal of molecular sciences · 2023Article
- The final piece of the Triangle of U: Evolution of the tetraploid Brassica carinata genome.The Plant cell · 2022Article
- Mapping-by-Sequencing Reveals Genomic Regions Associated with Seed Quality Parameters inGenes · 2022Article
- Review
- Article
- Homoeologous chromosome exchange explains the creation of a QTL affecting soil-borne pathogen resistance in tobacco.Plant biotechnology journal · 2022Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Genomic rearrangements arising during polyploidization are an important source of genetic and phenotypic variation in the recent allopolyploid crop Brassica napus. Exchanges among homoeologous chromosomes, due to interhomoeologue pairing, and deletions without compensating homoeologous duplications are observed in both natural B. napus and synthetic B. napus. Rearrangements of large or small chromosome segments induce gene copy number variation (CNV) and can potentially cause phenotypic changes. Unfortunately, complex genome restructuring is difficult to deal with in linkage mapping studies. Here, we demonstrate how high-density genetic mapping with codominant, physically anchored SNP markers can detect segmental homoeologous exchanges (HE) as well as deletions and accurately link these to QTL. We validated rearrangements detected in genetic mapping data by whole-genome resequencing of parental lines along with cytogenetic analysis using fluorescence in situ hybridization with bacterial artificial chromosome probes (BAC-FISH) coupled with PCR using primers specific to the rearranged region. Using a well-known QTL region influencing seed quality traits as an example, we confirmed that HE underlies the trait variation in a DH population involving a synthetic B. napus trait donor, and succeeded in narrowing the QTL to a small defined interval that enables delineation of key candidate genes.
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