ArticleThe Plant cell2023
Ethylene enhances MdMAPK3-mediated phosphorylation of MdNAC72 to promote apple fruit softening.
Article in The Plant cell, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 50 citations in OpenAlex.
- MaMPK3-2 Phosphorylating and Stabilizing Transcriptional Repressor MaAS1 by Counteracting MaRNF4-Mediated Ubiquitination During Banana Fruit Ripening.Plant biotechnology journal · 2026Article
- A novel CsRNF-CsHSF24-CsF3'5'H2 module regulates epigallocatechin gallate biosynthesis in Camellia sinensis.The Plant journal : for cell and molecular biology · 2026Article
- The Dual Role of Lignin in Fruit Trees: Unraveling Regulatory Networks from Stress Resilience to Quality Control.Plants (Basel, Switzerland) · 2026Review
- FcMAPK4-phosphorylated FcNOR activates FcERF5 to promote fig fruit softening through activation of FcPG12 expression.Journal of integrative plant biology · 2026Article
- Article
- Molecular Module FcERF71-FcDREB1 of Fig Represses Fruit Softening viaJournal of agricultural and food chemistry · 2026Article
- MT@SiOPlant biotechnology journal · 2026Article
- Protein post-translational modifications: key switches coordinating fruit ripening regulatory networks.Horticulture research · 2026Article
- The Jasmonate-Responsive SmMPK3-SmWRKY33 Module Positively Regulates Tanshinone Biosynthesis in Salvia miltiorrhiza.Plant biotechnology journal · 2026Article
- Rosmarinic Acid Synthase 1 Phosphorylation by SmMAPK3 Is Required for Salicylic Acid-Induced Salvianolic Acid Accumulation in Salvia miltiorrhiza Hairy Roots.Plant biotechnology journal · 2026Article
- The role of pectate lyases in development and stress tolerance in plants.Molecular biology reports · 2025Review
- MdMAPK6-mediated phosphorylation of MdWRKY9 regulates apple fruit ripening through interaction with MdERF5L.Horticulture research · 2025Article
- Advances in Cell Wall Dynamics and Gene Expression in Postharvest Fruit Softening.Plants (Basel, Switzerland) · 2025Review
- CaHorticulture research · 2025Article
- Ethylene-Activated E3 Ubiquitin Ligase MdEAEL1 Promotes Apple Fruit Softening by Facilitating the Dissociation of Transcriptional Repressor Complexes.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Phosphorylation of the strawberry MADS-box CMB1 regulates ripening via the catabolism of abscisic acid.The New phytologist · 2025Article
- The transcription factors AdNAC3 and AdMYB19 regulate kiwifruit ripening through brassinosteroid and ethylene signaling networks.Plant physiology · 2025Article
- Natural variation in MdNAC5 contributes to fruit firmness and ripening divergence in apple.Horticulture research · 2025Article
- The transcription factor PbbHLH164 is destabilized by PbRAD23C/D.1 and mediates ethylene biosynthesis during pear fruit ripening.Journal of advanced research · 2024Article
- MdWRKY31-MdNAC7 regulatory network: orchestrating fruit softening by modulating cell wall-modifying enzyme MdXTH2 in response to ethylene signalling.Plant biotechnology journal · 2024Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The phytohormone ethylene plays an important role in promoting the softening of climacteric fruits, such as apples (Malus domestica); however, important aspects of the underlying regulatory mechanisms are not well understood. In this study, we identified apple MITOGEN-ACTIVATED PROTEIN KINASE 3 (MdMAPK3) as an important positive regulator of ethylene-induced apple fruit softening during storage. Specifically, we show that MdMAPK3 interacts with and phosphorylates the transcription factor NAM-ATAF1/2-CUC2 72 (MdNAC72), which functions as a transcriptional repressor of the cell wall degradation-related gene POLYGALACTURONASE1 (MdPG1). The increase in MdMAPK3 kinase activity was induced by ethylene, which promoted the phosphorylation of MdNAC72 by MdMAPK3. Additionally, MdPUB24 functions as an E3 ubiquitin ligase to ubiquitinate MdNAC72, resulting in its degradation via the 26S proteasome pathway, which was enhanced by ethylene-induced phosphorylation of MdNAC72 by MdMAPK3. The degradation of MdNAC72 increased the expression of MdPG1, which in turn promoted apple fruit softening. Notably, using variants of MdNAC72 that were mutated at specific phosphorylation sites, we observed that the phosphorylation state of MdNAC72 affected apple fruit softening during storage. This study thus reveals that the ethylene-MdMAPK3-MdNAC72-MdPUB24 module is involved in ethylene-induced apple fruit softening, providing insights into climacteric fruit softening.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.