ArticleGenome biology2024
Contribution of homoeologous exchange to domestication of polyploid Brassica.
Article in Genome biology, 2024. 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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Who cites it
15 citing papers in PubMed.
- Pan-genome-based resequencing of 2,320 accessions reveals structural variations and accelerates breeding advances in cultivated peanut.Nature genetics · 2026Article
- Homoeologous exchange-associated ABA catabolism rewiring contributes to salinity tolerance in a synthetic tetraploid rice.Plant cell reports · 2026Article
- Integrated multi-omics profiling reveals dynamic regulation of light-induced chloroplast biogenesis in Brassica napus seedlings.Nucleic acids research · 2026Article
- Unraveling the complexity of the oilseed rape genome: from sequencing to gene discovery for trait improvement.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- Phased T2T genome of a tetraploid grapevine reveals segmental allopolyploid origin and allele-specific alternative splicing during fruit development.Plant physiology · 2026Article
- A fourth subgenome of the Camelina genus reveals gene dominance is influenced by chromosomal proximity.Nature communications · 2026Article
- Haploid Mutation Mapping Identifies a Homoeologous Non-Reciprocal Translocation Linked to Reduced Fibre and Enhanced Protein in Brassica napus.Plant biotechnology journal · 2026Article
- Integrated epigenomic and transcriptional profiling reveals genotype-specific adaptive reprogramming to drought stress in Brassica napus.BMC plant biology · 2026Article
- The near-complete genome assembly of allotetraploidHorticulture research · 2026Article
- Pan-genomics of polyploid crops: from complexity to breeding.Frontiers in plant science · 2026Review
- Allopolyploidization-driven short-term evolution of miRNAs in Brassica A genome.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- From bottleneck to boom: Polyploidy, genetic instability and response to artificial selection resolve the peanut paradox.The Plant journal : for cell and molecular biology · 2025Article
- Pangenomic structural variant patterns reflect evolutionary diversification in Brassica napus.Genome biology · 2025Article
- Fine mapping of the dominant female sterility gene and novel model of hybrid seed production in cabbage (Brassica oleracea L. var. capitata).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Contribution of homoeologous exchange to domestication of polyploid Brassica.Genome biology · 2024Article
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5 authors.
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Abstract
backgroundPolyploidy is widely recognized as a significant evolutionary force in the plant kingdom, contributing to the diversification of plants. One of the notable features of allopolyploidy is the occurrence of homoeologous exchange (HE) events between the subgenomes, causing changes in genomic composition, gene expression, and phenotypic variations. However, the role of HE in plant adaptation and domestication remains unclear.
resultsHere we analyze the whole-genome resequencing data from Brassica napus accessions representing the different morphotypes and ecotypes, to investigate the role of HE in domestication. Our findings demonstrate frequent occurrence of HEs in Brassica napus, with substantial HE patterns shared across populations, indicating their potential role in promoting crop domestication. HE events are asymmetric, with the A genome more frequently replacing C genome segments. These events show a preference for specific genomic regions and vary among populations. We also identify candidate genes in HE regions specific to certain populations, which likely contribute to flowering-time diversification across diverse morphotypes and ecotypes. In addition, we assemble a new genome of a swede accession, confirming the HE signals on the genome and their potential involvement in root tuber development. By analyzing HE in another allopolyploid species, Brassica juncea, we characterize a potential broader role of HE in allopolyploid crop domestication.
conclusionsOur results provide novel insights into the domestication of polyploid Brassica species and highlight homoeologous exchange as a crucial mechanism for generating variations that are selected for crop improvement in polyploid species.
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