ArticlePlant physiology2023
Tomato APETALA2 family member SlTOE1 regulates inflorescence branching by repressing SISTER OF TM3.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 13 citations in OpenAlex.
- A Conserved miR172-Plants (Basel, Switzerland) · 2026Article
- GePIF4 Increases the Multi-Flower/Capsule-Bearing Traits and Gastrodin Biosynthesis inPlants (Basel, Switzerland) · 2025Article
- SlKNUCKLES regulates floral meristem activity and controls fruit size inHorticulture research · 2025Article
- Molecular breeding of tomato: Advances and challenges.Journal of integrative plant biology · 2025Review
- APETALA2-like Floral Homeotic Protein Up-RegulatingInternational journal of molecular sciences · 2024Article
- A SEPALLATA MADS-Box Transcription Factor, SlMBP21, Functions as a Negative Regulator of Flower Number and Fruit Yields in Tomato.Plants (Basel, Switzerland) · 2024Article
- Spatiotemporal formation of glands in plants is modulated by MYB-like transcription factors.Nature communications · 2024Article
- A 49-bp deletion ofHorticulture research · 2024Article
- New Advances in the Study of Regulation of Tomato Flowering-Related Genes Using Biotechnological Approaches.Plants (Basel, Switzerland) · 2024Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inflorescence architecture directly impacts yield potential in most crops. As a model of sympodial plants, tomato (Solanum lycopersicum) inflorescence exhibits highly structural plasticity. However, the genetic regulatory network of inflorescence architecture in tomato remains unclear. Here, we investigated a modulator of inflorescence branching in tomato, TARGET OF EAT1 (SlTOE1), an APETALA2 (AP2) family member found to be predominantly expressed in the floral meristem (FM) of tomato. sltoe1 knockout mutants displayed highly branched inflorescences and defective floral organs. Transcriptome analysis revealed that SISTER OF TM3 (STM3) and certain floral development-related genes were upregulated in the flower meristem of sltoe1. SlTOE1 could directly bind the promoters of STM3 and Tomato MADS-box gene 3 (TM3) to repress their transcription. Simultaneous mutation of STM3 and TM3 partially restored the inflorescence branching of the sltoe1cr mutants, suggesting that SlTOE1 regulates inflorescence development, at least in part through an SlTOE1STM3/TM3 module. Genetic analysis showed that SlTOE1 and ENHANCER OF JOINTLESS 2 (EJ2) additively regulate tomato inflorescence branching; their double mutants showed more extensive inflorescence branching. Our findings uncover a pathway controlling tomato inflorescence branching and offer deeper insight into the functions of AP2 subfamily members.
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