ArticlePloS one2013
Transcriptome analysis of tomato flower pedicel tissues reveals abscission zone-specific modulation of key meristem activity genes.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 59 citations in OpenAlex.
- Dynamic attributes of the pedicel: Key drivers, structure and function in angiosperms.Journal of biosciences · 2026Review
- At the breaking point: developmental and molecular insights intoFrontiers in plant science · 2026Article
- Population-scale gene expression analysis reveals the contribution of expression diversity to the modern wheat improvement.Nature communications · 2025Article
- Transcriptomic analysis reveals key genes and pathways involved in fruit abscission of Epimedium pubescens.BMC plant biology · 2025Article
- Transcriptomic characterization of Trichoderma harzianum T34 primed tomato plants: assessment of biocontrol agent induced host specific gene expression and plant growth promotion.BMC plant biology · 2023Article
- Phytohormones and candidate genes synergistically regulate fruitlet abscission in Areca catechu L.BMC plant biology · 2023Article
- A SlCLV3-SlWUS module regulates auxin and ethylene homeostasis in low light-induced tomato flower abscission.The Plant cell · 2022Article
- Reflections on the Triptych of Meristems That Build Flowering Branches in Tomato.Frontiers in plant science · 2022Article
- Transcriptome Analysis Reveals Potential Mechanisms for Ethylene-Inducible Pedicel-Fruit Abscission Zone Activation in Non-Climacteric Sweet Cherry (Horticulturae · 2021Article
- SlERF52 regulates SlTIP1;1 expression to accelerate tomato pedicel abscission.Plant physiology · 2021Article
- Tomato SlBL4 plays an important role in fruit pedicel organogenesis and abscission.Horticulture research · 2021Article
- Petal abscission in fragrant roses is associated with large scale differential regulation of the abscission zone transcriptome.Scientific reports · 2020Article
- High-Resolution Linkage Map and QTL Analyses of Fruit Firmness in Autotetraploid Blueberry.Frontiers in plant science · 2020Article
- Hydrogen sulfide inhibits ethylene-induced petiole abscission in tomato (Horticulture research · 2020Article
- The HD-Zip transcription factor LcHB2 regulates litchi fruit abscission through the activation of two cellulase genes.Journal of experimental botany · 2019Article
- Spatio-temporal localization of LlBOP following early events of floral abscission in yellow lupine.Protoplasma · 2019Article
- Transcriptional Regulation of Abscission Zones.Plants (Basel, Switzerland) · 2019Review
- The Tomato Hybrid Proline-rich Protein regulates the abscission zone competence to respond to ethylene signals.Horticulture research · 2018Article
- KNOX Protein OSH15 Induces Grain Shattering by Repressing Lignin Biosynthesis Genes.Plant physiology · 2017Article
- 1-Aminocyclopropane-1-Carboxylate Oxidase Induction in Tomato Flower Pedicel Phloem and Abscission Related Processes Are Differentially Sensitive to Ethylene.Frontiers in plant science · 2017Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tomato flower abscises at the anatomically distinct abscission zone that separates the pedicel into basal and apical portions. During abscission, cell separation occurs only at the abscission zone indicating distinctive molecular regulation in its cells. We conducted a transcriptome analysis of tomato pedicel tissues during ethylene promoted abscission. We found that the abscission zone was the most active site with the largest set of differentially expressed genes when compared with basal and apical portions. Gene Ontology analyses revealed enriched transcription regulation and hydrolase activities in the abscission zone. We also demonstrate coordinated responses of hormone and cell wall related genes. Besides, a number of ESTs representing homologs of key Arabidopsis shoot apical meristem activity genes were found to be preferentially expressed in the abscission zone, including WUSCHEL (WUS), KNAT6, LATERAL ORGAN BOUNDARIES DOMAIN PROTEIN 1(LBD1), and BELL-like homeodomain protein 1 (BLH1), as well as tomato axillary meristem genes BLIND (Bl) and LATERAL SUPPRESSOR (Ls). More interestingly, the homologs of WUS and the potential functional partner OVATE FAMILIY PROTEIN (OFP) were subsequently down regulated during abscission while Bl and AGL12 were continuously and specifically induced in the abscission zone. The expression patterns of meristem activity genes corroborate the idea that cells of the abscission zone confer meristem-like nature and coincide with the course of abscission and post-abscission cell differentiation. Our data therefore propose a possible regulatory scheme in tomato involving meristem genes that may be required not only for the abscission zone development, but also for abscission.
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