ArticleThe Plant cell2023
Jasmonate activates a CsMPK6-CsMYC2 module that regulates the expression of β-citraurin biosynthetic genes and fruit coloration in orange (Citrus sinensis).
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 35 papers.
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Who cites it
35 citing papers in PubMed, 85 citations in OpenAlex.
- CgMYC2 directly activates jasmonate-induced naringin biosynthesis in Citrus grandis 'Tomentosa'.Plant cell reports · 2026Article
- CitRWP directly activates CsDAZ3 to promote somatic embryogenesis in Citrus.The New phytologist · 2026Article
- Machine learning-guided multi-omics suggests iron-dependent hormonal signaling drives root morphological plasticity in wheat under temperature stress.The New phytologist · 2026Article
- CitPH4 Confers Resistance to Citrus Canker by Activating Papain-Like Cysteine Protease.Plant biotechnology journal · 2026Article
- Analysis of BpbHLH Gene Family Responsive to MeJA Signalling in Betula platyphylla Suk. and Functional Mechanisms of BpbHLH42/44 in Genetic Improvement and Triterpenoid Biosynthesis.Plant biotechnology journal · 2026Article
- Research progress on the regulatory mechanisms of the PSY promoter.Transgenic research · 2026Review
- Methyl jasmonate enhances carotenoid accumulation and lignin deposition in carrot taproot.Protoplasma · 2026Article
- Divergent Regulatory Effects of Jasmonic Acid on Tomato Lycopene Biosynthesis Under Light and Dark Conditions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Review
- A signaling pathway mediating abscisic acid-induced jasmonic acid biosynthesis during strawberry ripening.Journal of integrative plant biology · 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 Jasmonate-Responsive SmMPK3-SmWRKY33 Module Positively Regulates Tanshinone Biosynthesis in Salvia miltiorrhiza.Plant biotechnology journal · 2026Article
- Abscisic Acid and Calcium Signals Convergently Regulate Sugar Accumulation by Orchestrating the SRK2A/CIPK6-ABI5-TST2 Module in Citrus.Plant biotechnology journal · 2026Article
- Regulation of apocarotenoids for quality improvement and biofortification of horticultural crops.Journal of advanced research · 2026Review
- Methyl jasmonate modulates non-enzymatic antioxidant defenses in sugarcane under Diatraea saccharalis (Fabricius, 1794) infestation.BMC plant biology · 2025Article
- Investigation of the Jasmonate ZIM-Domain Family RevealsBiomolecules · 2025Article
- The PavDREB1E-PavD8-PavHY5 module integrates light and gibberellin signals to regulate sweet cherry anthocyanin biosynthesis.Plant physiology · 2025Article
- Assembling the chromosome-level genome of Arctium Lappa L. provides new insights into carotenoid biosynthesis.BMC plant biology · 2025Article
- CsCOI1 regulates plant growth and defense in citrus.Horticulture research · 2025Article
- CaHorticulture research · 2025Article
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10 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Carotenoids are natural pigments that influence the color of citrus fruit. The red-colored carotenoid β-citraurin is responsible for the peel color in "Newhall" orange (Citrus sinensis). Although jasmonates are known to regulate the biosynthesis and accumulation of carotenoids, their effects on β-citraurin biosynthesis in citrus fruit remain unclear. Here, we determined that treatment with methyl jasmonate (MeJA) significantly promotes fruit coloration and β-citraurin production in "Newhall" orange. A MeJA treatment induced the expression of CsMYC2, which encodes a transcription factor that serves as a master regulator of jasmonate responses. CsMYC2 bound the promoter of the gene that encodes carotenoid cleavage dioxygenase 4b (CsCCD4b), the key gene for β-citraurin biosynthesis, and the promoters of genes that encode phytoene synthase (CsPSY), lycopene β-cyclase (CsLCYb), and β-carotene hydroxylase (CsBCH) and induced their expression. In addition, CsMYC2 promoted CsMPK6 expression. Notably, we found that CsMPK6 interacted with CsMYC2 and that this interaction decreased the stability and DNA-binding activity of CsMYC2. Thus, we conclude that negative feedback regulation attenuates JA signaling during the jasmonate-induced coloration of citrus fruit. Together, our findings indicate that jasmonates induce β-citraurin biosynthesis in citrus by activating a CsMPK6-CsMYC2 cascade, thereby affecting fruit coloration.
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