ArticleGenome research2003
A recent polyploidy superimposed on older large-scale duplications in the Arabidopsis genome.
Article in Genome research, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 347 papers.
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Who cites it
347 citing papers in PubMed.
- Genome-Wide Analysis of the PEBP Gene Family and Functional Characterization ofInternational journal of molecular sciences · 2026Article
- Dynamics of Expression Variability Contribute to Retention of Small-Scale vs. Whole-Genome Duplicates.Genome biology and evolution · 2026Article
- Subfunctionalization ofCurrent issues in molecular biology · 2026Article
- Transcript isoforms and alternative splicing in polyploid Brassica napus under heat and cold stress.Annals of botany · 2026Article
- Genome Wide Identification and Characterization ofInternational journal of genomics · 2026Article
- Whole Genome Duplication in the Genomics Era: The Hidden Gems in Invertebrates?Genome biology and evolution · 2025Review
- ZF-HD gene family in rapeseed (Brassica napus L.): genome-wide identification, phylogeny, evolutionary expansion and expression analyses.BMC genomics · 2024Article
- Transcriptomic dynamics of ABA response in Brassica napus guard cells.Stress biology · 2024Article
- Structure, function, and assembly of PSI in thylakoid membranes of vascular plants.The Plant cell · 2024Review
- Altered interactions between cis-regulatory elements partially resolve BLADE-ON-PETIOLE genetic redundancy in Capsella rubella.The Plant cell · 2024Article
- Identification, Evolutionary Dynamics, and Gene Expression Patterns of thePlants (Basel, Switzerland) · 2024Article
- Genome-Wide Identification, Characterization, and Expression Analysis of Four Subgroup Members of the GH13 Family in Wheat (International journal of molecular sciences · 2024Article
- Comprehensive Evolutionary Analysis of theInternational journal of molecular sciences · 2024Article
- Chromosome-level assembly and analysis of Camelina neglecta: a novel diploid model for Camelina biotechnology research.Biotechnology for biofuels and bioproducts · 2024Article
- Divergent Retention of Sucrose Metabolism Genes after Whole Genome Triplication in the Tomato (Plants (Basel, Switzerland) · 2023Article
- Comprehensive Analysis ofInternational journal of molecular sciences · 2023Article
- Comprehensive Evolution and Expression anaLysis of PHOSPHATE 1 Gene Family in Allotetraploid Brassica napus and Its Diploid Ancestors.Biochemical genetics · 2023Article
- Dynamics ofProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Evolutionary Consequences of Functional and Regulatory Divergence of HD-Zip I Transcription Factors as a Source of Diversity in Protein Interaction Networks in Plants.Journal of molecular evolution · 2023Review
- Genomics of plant speciation.Plant communications · 2023Review
287 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Arabidopsis genome contains numerous large duplicated chromosomal segments, but the different approaches used in previous analyses led to different interpretations regarding the number and timing of ancestral large-scale duplication events. Here, using more appropriate methodology and a more recent version of the genome sequence annotation, we investigate the scale and timing of segmental duplications in Arabidopsis. We used protein sequence similarity searches to detect duplicated blocks in the genome, used the level of synonymous substitution between duplicated genes to estimate the relative ages of the blocks containing them, and analyzed the degree of overlap between adjacent duplicated blocks. We conclude that the Arabidopsis lineage underwent at least two distinct episodes of duplication. One was a polyploidy that occurred much more recently than estimated previously, before the Arabidopsis/Brassica rapa split and probably during the early emergence of the crucifer family (24-40 Mya). An older set of duplicated blocks was formed after the monocot/dicot divergence, and the relatively low level of overlap among these blocks indicates that at least some of them are remnants of a larger duplication such as a polyploidy or aneuploidy.
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