ArticleMolecular biology and evolution2021
The Evolution of euAPETALA2 Genes in Vascular Plants: From Plesiomorphic Roles in Sporangia to Acquired Functions in Ovules and Fruits.
Article in Molecular biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 25 citations in OpenAlex.
- Auxin-related regulation of barley floral organ fate: genetic and phenotypic insights from tweaky spike mutants.The New phytologist · 2026Article
- Dehiscent fruits in Brassicaceae and Papaveraceae: convergent morpho-anatomical features with divergent underlying genetic mechanisms.Annals of botany · 2025Article
- Molecular regulation and domestication of parthenocarpy in cucumber.Nature plants · 2025Article
- The age-related expression patterns ofForestry research · 2025Article
- APETALA2-like Floral Homeotic Protein Up-RegulatingInternational journal of molecular sciences · 2024Article
- A cornucopia of diversity-Ranunculales as a model lineage.Journal of experimental botany · 2024Review
- Article
- Expression divergence of expansin genes drive the heteroblasty in Ceratopteris chingii.BMC biology · 2023Article
- Dynamic genome evolution in a model fern.Nature plants · 2022Article
- Evolution of the DEHYDRATION-RESPONSIVE ELEMENT-BINDING PROTEIN subfamily in green plants.Plant physiology · 2022Article
- Identification of genes differentially expressed between prostrate shoots and erect shoots in the lycophyteAoB PLANTS · 2022Article
- SMRT and Illumina RNA-Seq Identifies Potential Candidate Genes Related to the Double Flower Phenotype and Unveils SsAP2 as a Key Regulator of the Double-Flower Trait inInternational journal of molecular sciences · 2022Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The field of evolutionary developmental biology can help address how morphological novelties evolve, a key question in evolutionary biology. In Arabidopsis thaliana, APETALA2 (AP2) plays a role in the development of key plant innovations including seeds, flowers, and fruits. AP2 belongs to the AP2/ETHYLENE RESPONSIVE ELEMENT BINDING FACTOR family which has members in all viridiplantae, making it one of the oldest and most diverse gene lineages. One key subclade, present across vascular plants is the euAPETALA2 (euAP2) clade, whose founding member is AP2. We reconstructed the evolution of the euAP2 gene lineage in vascular plants to better understand its impact on the morphological evolution of plants, identifying seven major duplication events. We also performed spatiotemporal expression analyses of euAP2/TOE3 genes focusing on less explored vascular plant lineages, including ferns, gymnosperms, early diverging angiosperms and early diverging eudicots. Altogether, our data suggest that euAP2 genes originally contributed to spore and sporangium development, and were subsequently recruited to ovule, fruit and floral organ development. Finally, euAP2 protein sequences are highly conserved; therefore, changes in the role of euAP2 homologs during development are most likely due to changes in regulatory regions.
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