ArticleThe Plant cell2023
Delphinieae flowers originated from the rewiring of interactions between duplicated and diversified floral organ identity and symmetry genes.
Article in The Plant cell, 2023. 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, 20 citations in OpenAlex.
- Integrative Multi-Omics Analysis Provides Insights into Floral Organ Development and Flower Color Formation inBiology · 2026Article
- The Nigella damascena genome provides insights into transposable element-driven genomic gigantism and trait evolution.Nature communications · 2026Article
- LMI1 and TCP4 homologs form a functional module to regulate lateral petal asymmetric bending in Delphinium anthriscifolium.The Plant journal : for cell and molecular biology · 2026Article
- Straight outta clusters: differing gene duplication patterns for alkaloid biosynthesis and floral traits in California poppy.The Plant cell · 2026Article
- Comparative analyses of the plastid genomes and their phylogenetic implications in tribe delphinieae (Ranunculaceae).BMC plant biology · 2026Article
- Spatiotemporal dynamics of age-related genes and the regulatory network of LaAGL2-3 in Larix kaempferi (Lamb.) Carr. based on the latest genome annotation.BMC plant biology · 2025Article
- Comparative Transcriptomics Analysis Reveals Genes Associated with a Dehiscent-Corolla Mutant in Sesame (International journal of molecular sciences · 2025Article
- Evolution of short trichomes and long hairs on Nigella petals through co-option of bHLH and non-MIXTA MYB genes.Nature communications · 2025Article
- Genome Assembly and Winged Fruit Gene Regulation of Chinese Wingnut: Insights from Genomic and Transcriptomic Analyses.Genomics, proteomics & bioinformatics · 2025Article
- Roles of theHorticulture research · 2024Article
- A cornucopia of diversity-Ranunculales as a model lineage.Journal of experimental botany · 2024Review
- From the archives: evolutionary origins of Delphinieae flowers, pseudogenes, and the light-responsive localization of COP1.The Plant cell · 2024Article
- Comparative case study of evolutionary insights and floral complexity in key early-diverging eudicot Ranunculales models.Frontiers in plant science · 2024Review
- Genome-wide identification and characterization of TCP gene family inFrontiers in plant science · 2024Article
- Review
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Authors and funding
16 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Species of the tribe Delphinieae (Ranunculaceae) have long been the focus of morphological, ecological, and evolutionary studies due to their highly specialized, nearly zygomorphic (bilaterally symmetrical) spiral flowers with nested petal and sepal spurs and reduced petals. The mechanisms underlying the development and evolution of Delphinieae flowers, however, remain unclear. Here, by conducting extensive phylogenetic, comparative transcriptomic, expression, and functional studies, we clarified the evolutionary histories, expression patterns, and functions of floral organ identity and symmetry genes in Delphinieae. We found that duplication and/or diversification of APETALA3-3 (AP3-3), AGAMOUS-LIKE6 (AGL6), CYCLOIDEA (CYC), and DIVARICATA (DIV) lineage genes was tightly associated with the origination of Delphinieae flowers. Specifically, an AGL6-lineage member (such as the Delphinium ajacis AGL6-1a) represses sepal spur formation and petal development in the lateral and ventral parts of the flower while determining petal identity redundantly with AGL6-1b. By contrast, two CYC2-like genes, CYC2b and CYC2a, define the dorsal and lateral-ventral identities of the flower, respectively, and form complex regulatory links with AP3-3, AGL6-1a, and DIV1. Therefore, duplication and diversification of floral symmetry genes, as well as co-option of the duplicated copies into the preexisting floral regulatory network, have been key for the origin of Delphinieae flowers.
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