ArticlePlant physiology2022
A common whole-genome paleotetraploidization in Cucurbitales.
Article in Plant physiology, 2022. 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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15 citing papers in PubMed, 27 citations in OpenAlex.
- Genome-Wide Identification of theGenes · 2026Article
- Genome evolution and transposable element expansion reveal host-associated genomic features in Cladosporium cucumerinum.Communications biology · 2026Article
- Using reciprocally retained gene families to detect whole-genome multiplications in plants.Genome biology · 2026Article
- CGRP: A versatile platform for exploring Cucurbitales genomics.Plant communications · 2026Article
- LGRPv2: A high-value platform for the advancement of Fabaceae genomics.Plant biotechnology journal · 2025Article
- Ancient allopolyploidy and specific subgenomic evolution drove the radiation of poplars and willows.Nature communications · 2025Article
- Optimization of Chromosome Preparation and Karyotype Analysis of Winter Turnip Rape (International journal of molecular sciences · 2025Article
- One versus many independent assemblies of symbiotic nitrogen fixation in flowering plants.Nature communications · 2025Review
- Evolutionary history of magnoliid genomes and benzylisoquinoline alkaloid biosynthesis.Nature communications · 2025Article
- Genome assembly of Stewartia sinensis reveals origin and evolution of orphan genes in Theaceae.Communications biology · 2025Article
- Complete genome assembly provides insights into the centromere architecture of pumpkin (Cucurbita maxima).Plant communications · 2024Article
- Article
- Chromosome-level assembly ofFrontiers in plant science · 2024Article
- Two-step model of paleohexaploidy, ancestral genome reshuffling and plasticity of heat shock response in Asteraceae.Horticulture research · 2023Article
- Genome-wide identification, evolution and expression profiles analysis of bHLH gene family inFrontiers in genetics · 2023Article
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Authors and funding
18 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cucurbitales are an important order of flowering plants known for encompassing edible plants of economic and medicinal value and numerous ornamental plants of horticultural value. By reanalyzing the genomes of two representative families (Cucurbitaceae and Begoniaceae) in Cucurbitales, we found that the previously identified Cucurbitaceae common paleotetraploidization that occurred shortly after the core-eudicot-common hexaploidization event is shared by Cucurbitales, including Begoniaceae. We built a multigenome alignment framework for Cucurbitales by identifying orthologs and paralogs and systematically redating key evolutionary events in Cucurbitales. Notably, characterizing the gene retention levels and genomic fractionation patterns between subgenomes generated from different polyploidizations in Cucurbitales suggested the autopolyploid nature of the Begoniaceae common tetraploidization and the allopolyploid nature of the Cucurbitales common tetraploidization and the Cucurbita-specific tetraploidization. Moreover, we constructed the ancestral Cucurbitales karyotype comprising 17 proto-chromosomes, confirming that the most recent common ancestor of Cucurbitaceae contained 15 proto-chromosomes and rejecting the previous hypothesis for an ancestral Cucurbitaceae karyotype with 12 proto-chromosomes. In addition, we found that the polyploidization and tandem duplication events promoted the expansion of gene families involved in the cucurbitacin biosynthesis pathway; however, gene loss and chromosomal rearrangements likely limited the expansion of these gene families.
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