ArticleThe Plant cell2022
A SlCLV3-SlWUS module regulates auxin and ethylene homeostasis in low light-induced tomato flower abscission.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 35 citations in OpenAlex.
- TheInternational journal of molecular sciences · 2026Article
- GhNAC47 activates GhSKS6-mediated cell wall remodeling to promote cotton chemical defoliation.The New phytologist · 2026Article
- Newly found functions and regulatory networks of WOX family: what else does the WOX say?Planta · 2026Review
- Review
- A multi-perspective analysis of the regulatory mechanisms governing pedicel abscission in tomato.Plant cell reports · 2026Review
- The G protein-casein kinase 2 module acts as a pivot in plasma membrane-to-nucleus CLAVATA signaling to control shoot apical meristem size.Nature communications · 2026Article
- SlALKBH9B is involved in drought-induced flower drop by regulating ethylene production.Horticulture research · 2025Article
- Abscission zones: cellular interfaces for the programmed separation of organs.Annals of botany · 2025Review
- Slow and steady wins the race: the negative regulators of ethylene biosynthesis in horticultural plants.Horticulture research · 2025Article
- A KNOTTED1-LIKE HOMEOBOX PROTEIN1-interacting transcription factor SlGATA6 maintains the auxin-response gradient to inhibit abscission.Science advances · 2025Article
- Molecular breeding of tomato: Advances and challenges.Journal of integrative plant biology · 2025Review
- A regulatory network involving calmodulin controls phytosulfokine peptide processing during drought-induced flower abscission.The Plant cell · 2024Article
- Different multicellular trichome types coordinate herbivore mechanosensing and defense in tomato.The Plant cell · 2024Article
- ThePlant direct · 2024Article
- Transcription Factor VlbZIP14 Inhibits Postharvest Grape Berry Abscission by Directly ActivatingInternational journal of molecular sciences · 2024Article
- New Advances in the Study of Regulation of Tomato Flowering-Related Genes Using Biotechnological Approaches.Plants (Basel, Switzerland) · 2024Review
- Transcriptome differential expression analysis of defoliation in different lemon varieties under drought treatment.PloS one · 2024Article
- Abscission zone metabolism impacts pre- and post-harvest fruit quality: a very attaching story.Frontiers in plant science · 2024Review
- Transcriptome differential expression analysis of defoliation of two different lemon varieties.PeerJ · 2024Article
- Effects of Low Temperature on Pedicel Abscission and Auxin Synthesis Key Genes of Tomato.International journal of molecular sciences · 2023Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Premature abscission of flowers and fruits triggered by low light stress can severely reduce crop yields. However, the underlying molecular mechanism of this organ abscission is not fully understood. Here, we show that a gene (SlCLV3) encoding CLAVATA3 (CLV3), a peptide hormone that regulates stem cell fate in meristems, is highly expressed in the pedicel abscission zone (AZ) in response to low light in tomato (Solanum lycopersicum). SlCLV3 knockdown and knockout lines exhibit delayed low light-induced flower drop. The receptor kinases SlCLV1 and BARELY ANY MERISTEM1 function in the SlCLV3 peptide-induced low light response in the AZ to decrease expression of the transcription factor gene WUSCHEL (SlWUS). DNA affinity purification sequencing identified the transcription factor genes KNOX-LIKE HOMEDOMAIN PROTEIN1 (SlKD1) and FRUITFULL2 (SlFUL2) as SlWUS target genes. Our data reveal that low light reduces SlWUS expression, resulting in higher SlKD1 and SlFUL2 expression in the AZ, thereby perturbing the auxin response gradient and causing increased ethylene production, eventually leading to the initiation of abscission. These results demonstrate that the SlCLV3-SlWUS signaling pathway plays a central role in low light-induced abscission by affecting auxin and ethylene homeostasis.
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