ArticleProceedings of the National Academy of Sciences of the United States of America2010
Angiosperm genome comparisons reveal early polyploidy in the monocot lineage.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 166 papers.
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166 citing papers in PubMed.
- Chromosome-level Streptochaeta genome elucidates the ancestral karyotype and allopolyploid origin of grasses.Nature communications · 2026Article
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- quota_Anchor: a strand and whole genome duplication-aware collinear gene identification tool.aBIOTECH · 2026Article
- Haplotype-resolved genome assembly of the colored calla lily (Zantedeschia elliottiana) provides new insights into the evolution of the family Araceae.Molecular horticulture · 2026Article
- Comprehensive Genome-Wide Identification and Expression Analysis of the N6-Methyladenosine (m6A) Regulatory Network Influences Rapid Stress Adaptation With Exogenous Melatonin in Rice.Journal of pineal research · 2026Article
- Evolutionary analysis of ascorbate-glutathione cycle genes across green plants with lineage-specific profiling in grapevine (Horticulture research · 2026Article
- Phylogenetic diversity of light-dependent phosphorylation of Thr78 in Rubisco activase.Journal of experimental botany · 2025Article
- SPEECHLESS duplication in grasses expands potential for environmental regulation of stomatal development.bioRxiv : the preprint server for biology · 2025Article
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- The telomere-to-telomere genome of Pucai () (Horticulture research · 2025Article
- Genus-Wide Pan-Genome Analysis ofPlants (Basel, Switzerland) · 2025Article
- Chromosome Ordinal Number-Related Genomic Stability Revealed AmongInternational journal of molecular sciences · 2025Article
- Genome-wide identification, expression profile and selection analysis of the CPK gene family in Nelumbo nucifera.BMC genomics · 2025Article
- Novel repetitive elements in plant-specific tails of Gγ proteins as the functional unit in G-protein signaling in crops.The Plant cell · 2025Article
- Review
- Identification and Characterization of Histone Modification Gene Families and Their Expression Patterns During Pod and Seed Development in Peanut.International journal of molecular sciences · 2025Article
- A chromosome-level reference genome facilitates the discovery of clubroot-resistant geneHorticulture research · 2025Article
- Comparative Genomic Analysis of the Poaceae Cytokinin Response RegulatorInternational journal of molecular sciences · 2025Article
- Evolution of Plant Genome Size and Composition.Genomics, proteomics & bioinformatics · 2024Review
106 more citing papers are in PubMed but not listed here.
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Although the timing and extent of a whole-genome duplication occurring in the common lineage of most modern cereals are clear, the existence or extent of more ancient genome duplications in cereals and perhaps other monocots has been hinted at, but remain unclear. We present evidence of additional duplication blocks of deeper hierarchy than the pancereal rho (rho) duplication, covering at least 20% of the cereal transcriptome. These more ancient duplicated regions, herein called sigma, are evident in both intragenomic and intergenomic analyses of rice and sorghum. Resolution of such ancient duplication events improves the understanding of the early evolutionary history of monocots and the origins and expansions of gene families. Comparisons of syntenic blocks reveal clear structural similarities in putatively homologous regions of monocots (rice) and eudicots (grapevine). Although the exact timing of the sigma-duplication(s) is unclear because of uncertainties of the molecular clock assumption, our data suggest that it occurred early in the monocot lineage after its divergence from the eudicot clade.
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