ArticleJournal of experimental botany2019
PYL9 is involved in the regulation of ABA signaling during tomato fruit ripening.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 123 citations in OpenAlex.
- Ethylene networking in fruit ripening: molecular mechanisms, hormone crosstalk, climate interactions, and postharvest management.Plant cell reports · 2026Review
- Disruption of SlCNGC18 enhances Cucumber mosaic virus resistance and drought tolerance in tomato (Solanum lycopersicum L. cv. Micro-Tom).BMC plant biology · 2026Article
- From signals to solutions: stress-induced leaf senescence and synthetic biology and AI approaches for crop resilience.Molecular horticulture · 2026Review
- A Branched SNF1-Related Protein Kinase 2 Signalling Cascade Controls ABA-Induced Ethylene Production and Regulates Both Fruit Ripening and Reproductive Growth.Plant biotechnology journal · 2026Article
- Integrative multi-omics analysis unravels chitosan-mediated delay of mango fruit ripening through hormonal and metabolic reprogramming.Food chemistry. Molecular sciences · 2025Article
- Genome-wide identification and expression analysis of the PYL gene family in response to salt, drought and cold stresses in Solanum melongena L.BMC genomics · 2025Article
- The Nuclear Transcription FactorInternational journal of molecular sciences · 2025Article
- Integrated Transcriptomic and Metabolomic Profiling Identifies Candidate Genes and Pathways Associated With Pedicel Abscission Susceptibility inFood science & nutrition · 2025Article
- Deciphering ABA/PYL gene family in flax: evolutionary analysis, and abiotic stress response.Plant cell reports · 2025Article
- Article
- Ripe on time: How posttranslational modifications of a transcription factor impact tomato fruit ripening.Plant physiology · 2024Article
- Cadmium toxicity: its' uptake and retaliation by plant defence system and ja signaling.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2024Review
- Genome-wide identification, abiotic stress, and expression analysis of PYL family in Tartary buckwheat (Fagopyrum tataricum (L.) Gaertn.) during grain development.BMC plant biology · 2024Article
- Key transcription factors regulate fruit ripening and metabolite accumulation in tomato.Plant physiology · 2024Article
- New Advances in the Study of Regulation of Tomato Flowering-Related Genes Using Biotechnological Approaches.Plants (Basel, Switzerland) · 2024Review
- Recent Advances in Studying the Regulation of Fruit Ripening in Tomato Using Genetic Engineering Approaches.International journal of molecular sciences · 2024Review
- Abscission zone metabolism impacts pre- and post-harvest fruit quality: a very attaching story.Frontiers in plant science · 2024Review
- Unveiling the crucial roles of abscisic acid in plant physiology: implications for enhancing stress tolerance and productivity.Frontiers in plant science · 2024Review
- The effectors of Phytophthora infestans impact host immunity upon regulation of antagonistic hormonal activities.Planta · 2023Article
- GhPYL9-5D and GhPYR1-3 A positively regulate Arabidopsis and cotton responses to ABA, drought, high salinity and osmotic stress.BMC plant biology · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abscisic acid (ABA) regulates fruit ripening, yet little is known about the exact roles of ABA receptors in fruit. In this study, we reveal the role of SlPYL9, a tomato pyrabactin resistance (PYR)/pyrobactin resistance-like (PYL)/regulatory component of ABA receptors (RCAR) protein, as a positive regulator of ABA signaling and fruit ripening. SlPYL9 inhibits protein phosphatase-type 2C (PP2C2/6) in an ABA dose-dependent way, and it interacts physically with SlPP2C2/3/4/5 in an ABA-dependent manner. Expression of SlPYL9 was observed in the seeds, flowers, and fruits. Overexpression and suppression of SlPYL9 induced a variety of phenotypes via altered expression of ABA signaling genes (SlPP2C1/2/9, SlSnRK2.8, SlABF2), thereby affecting expression of ripening-related genes involved in ethylene release and cell wall modification. SlPYL9-OE/RNAi plants showed a typical ABA hyper-/hypo-sensitive phenotype in terms of seed germination, primary root growth, and response to drought. Fruit ripening was significantly accelerated in SlPYL9-OE by 5-7 d as a result of increased endogenous ABA accumulation and advanced release of ethylene compared with the wild-type. In the SlPYL9-RNAi lines, fruit ripening was delayed, mesocarp thickness was enhanced, and petal abscission was delayed compared with the wild-type, resulting in conical/oblong and gourd-shaped fruits. These results suggest that SlPYL9 is involved in ABA signaling, thereby playing a role in the regulation of flower abscission and fruit ripening in tomato.
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