ArticleThe New phytologist2021
Replaying the evolutionary tape to investigate subgenome dominance in allopolyploid Brassica napus.
Article in The New phytologist, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.
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60 citing papers in PubMed, 108 citations in OpenAlex.
- The degree and direction of subgenome expression bias in Brassica napus vary between cultivars, tissues and developmental stages.The Plant journal : for cell and molecular biology · 2026Article
- Regulatory divergence of homoeologs underlies network optimization for fiber improvement in domesticated cotton.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Evolutionary causes and consequences of gene duplication.Nature reviews. Genetics · 2026Review
- A fourth subgenome of the Camelina genus reveals gene dominance is influenced by chromosomal proximity.Nature communications · 2026Article
- Legume genome structures and histories inferred from Cercis canadensis and Chamaecrista fasciculata genomes.The Plant journal : for cell and molecular biology · 2026Article
- The evolution of gene expression in allopolyploid cotton relative to parental diploids and induced haploids.aBIOTECH · 2026Article
- Profiling the transcriptional regulatory network reveals putative shared regulatory elements within homoeologs in polyploid Brassica napus.Genome biology · 2026Article
- Lineage-specific evolution of regulatory landscapes in a polyploid plant and its diploid progenitors.bioRxiv : the preprint server for biology · 2026Article
- Ecological Memory in Plants: Epigenetic Integration of Abiotic Stress and Climate Change.Plants (Basel, Switzerland) · 2026Review
- Transcript isoforms and alternative splicing in polyploid Brassica napus under heat and cold stress.Annals of botany · 2026Article
- Integrating multiomic resources and gene expression studies to identify candidates for engineering climate-resilientFrontiers in plant science · 2026Review
- Reconfiguration of DNA methylation at growth resumption after winter dormancy in Kiwifruit.Scientific reports · 2025Article
- From duplication to divergence: Single-cell insights into transcriptional and cis-regulatory landscapes in soybean.The Plant cell · 2025Article
- Pangenomic structural variant patterns reflect evolutionary diversification in Brassica napus.Genome biology · 2025Article
- High-level production of health-beneficial glucoraphanin by multiplex editing of AOP2 gene family in mustard.Plant biotechnology journal · 2025Article
- Multiple hybridization events and repeated evolution of homoeologue expression bias in parthenogenetic, polyploid New Zealand stick insects.Molecular ecology · 2025Article
- HebQTLs reveal intra-subgenome regulation inducing unbalanced expression and function among bread wheat homoeologs.Genome biology · 2025Article
- Genome-Wide Analysis ofPlants (Basel, Switzerland) · 2025Article
- Gene expression landscape of the Brassica napus seed reveals subgenome bias in both space and time.Plant physiology · 2025Article
- Rapid reprogramming and stabilization of homoeolog expression bias in hexaploid wheat biparental populations.Genome biology · 2025Article
Corrections and comments
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Allopolyploidisation merges evolutionarily distinct parental genomes (subgenomes) into a single nucleus. A frequent observation is that one subgenome is 'dominant' over the other subgenome, often being more highly expressed. Here, we 'replayed the evolutionary tape' with six isogenic resynthesised Brassica napus allopolyploid lines and investigated subgenome dominance patterns over the first 10 generations postpolyploidisation. We found that the same subgenome was consistently more dominantly expressed in all lines and generations and that >70% of biased gene pairs showed the same dominance patterns across all lines and an in silico hybrid of the parents. Gene network analyses indicated an enrichment for network interactions and several biological functions for the Brassica oleracea subgenome biased pairs, but no enrichment was identified for Brassica rapa subgenome biased pairs. Furthermore, DNA methylation differences between subgenomes mirrored the observed gene expression bias towards the dominant subgenome in all lines and generations. Many of these differences in gene expression and methylation were also found when comparing the progenitor genomes, suggesting that subgenome dominance is partly related to parental genome differences rather than just a byproduct of allopolyploidisation. These findings demonstrate that 'replaying the evolutionary tape' in an allopolyploid results in largely repeatable and predictable subgenome expression dominance patterns.
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