ArticleJournal of experimental botany2013
The tomato NAC transcription factor SlNAM2 is involved in flower-boundary morphogenesis.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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Who cites it
52 citing papers in PubMed, 106 citations in OpenAlex.
- Genome‑Wide Identification of NAC Transcription Factors in Elymus sibiricus and Functional Characterisation of EsNAC29 in Light Inhibition.Plant, cell & environment · 2026Article
- miR172-Mediated Repression ofInternational journal of molecular sciences · 2026Article
- Genome-Wide Identification and Expression Analysis of the AS2/LOB Transcription Factor Family inGenes · 2025Article
- Sulfate Deficiency-Responsive MicroRNAs in Tomato Uncover an Expanded and Functionally Integrated Regulatory Network.International journal of molecular sciences · 2025Article
- Transcriptome analysis reveals that regulation network of the genes related to unique double flowers in tropical viviparous water lily.Scientific reports · 2025Article
- Genome-Wide Identification, Characterization, and Expression Analysis of the NAC Transcription Factor Family in Sweet Cherry (Plants (Basel, Switzerland) · 2025Article
- Genome wide inherited modifications of the tomato epigenome by trans-activated bacterial CG methyltransferase.Cellular and molecular life sciences : CMLS · 2024Article
- PeNAC67-PeKAN2-PeSCL23 and B-class MADS-box transcription factors synergistically regulate the specialization process from petal to lip in Phalaenopsis equestris.Molecular horticulture · 2024Article
- cla-miR164-Horticulture research · 2024Article
- The importance of genotyping within the climate-smart plant breeding value chain - integrative tools for genetic enhancement programs.Frontiers in plant science · 2024Review
- NACs, generalist in plant life.Plant biotechnology journal · 2023Review
- Understanding Transcription Factors and How They Affect Processes in Cucumber Sex Determination.Metabolites · 2023Article
- Dissecting the effect of soil on plant phenology and berry transcriptional plasticity in two Italian grapevine varieties (Horticulture research · 2023Article
- Genomics, Proteomics, and Metabolomics Approaches to Improve Abiotic Stress Tolerance in Tomato Plant.International journal of molecular sciences · 2023Review
- Coordinating Diverse Functions of miRNA and lncRNA in Fleshy Fruit.Plants (Basel, Switzerland) · 2023Review
- Molecular Links between Flowering and Abiotic Stress Response: A Focus onPlants (Basel, Switzerland) · 2023Review
- The NAC transcription factors play core roles in flowering and ripening fundamental to fruit yield and quality.Frontiers in plant science · 2023Review
- Isolation, characterization, and functional verification of salt stress response genes of NAC transcription factors inFrontiers in plant science · 2023Article
- Genome-wide identification and expression analysis of the NAC transcription factor family inPlant signaling & behavior · 2022Article
- Tomato MicroRNAs and Their Functions.International journal of molecular sciences · 2022Review
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Being composed of several whorls of distinct floral organs, the flower is one of the most complex organs in the plant. As such, the formation and maintenance of boundaries that separate the meristem from the floral organ primordium and adjacent organs are critical for its normal development. In Arabidopsis, the miR164-regulated NAM genes play key roles in floral-boundary specification. By contrast, much less is known about floral-boundary establishment in the model crop tomato. It was found that the miR164-regulated NAM gene GOBLET is expressed in the floral meristem-organ boundaries and its loss-of-function mutant produces flowers with fused organs, indicating its requirement for tomato floral-boundary formation. It was found here that sly-miR164 targets the transcripts of three additional uncharacterized NAM genes in developing flowers. It is shown that, after floral-boundary initiation, the NAM gene Solyc03g115850 (SlNAM2) is expressed as stripes that mark the boundaries between sepals and between different floral whorls. Furthermore, ectopic accumulation of SlNAM2-encoding transcripts caused various growth-suppression and extraorgan phenotypes typically observed in plants over-expressing known boundary genes. Flower-specific silencing of sly-miR164-targeted NAM genes (AP1>>MIR164) caused defects in the separation of sepals and floral whorls indicating abnormal boundary specification. However, supplementing these NAM-deficient flowers with miR164-resistant SlNAM2 suppressed their fusion phenotypes and completely restored floral boundaries. Together, our results strongly suggest that SlNAM2 participates in the establishment of tomato flower whorl and sepal boundaries.
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