ArticlePlant physiology2021
Jasmonates modulate sphingolipid metabolism and accelerate cell death in the ceramide kinase mutant acd5.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 25 citations in OpenAlex.
- Cucumber Mosaic Virus Promotes Sphingolipid Biosynthesis to Alleviate Host Unfolded Protein Response (UPR)-Mediated Immunity.Molecular plant pathology · 2026Article
- ZmPHR1 and ZmPHR2 Mediate Metabolic and Microbial Regulation of Maize Adaptation to Phosphorus Heterogeneity.Plant, cell & environment · 2026Article
- Ceramides play a significant role in the response of Pogostemon cablin to bacterial wilt by regulating the ABA pathway.BMC plant biology · 2025Article
- Combined analysis of transcriptome and WGCNA reveals the mediating role of JA in the low male fertility of loquat H30-6.Frontiers in plant science · 2025Article
- Exploring the plant lipidome: techniques, challenges, and prospects.Advanced biotechnology · 2024Review
- Chloride salt enhances plant resistance to biotic stresses.Frontiers in plant science · 2024Article
- Plant elicitor peptide signalling confers rice resistance to piercing-sucking insect herbivores and pathogens.Plant biotechnology journal · 2022Article
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sphingolipids are structural components of the lipid bilayer that acts as signaling molecules in many cellular processes, including cell death. Ceramides, key intermediates in sphingolipid metabolism, are phosphorylated by the ceramide kinase ACCELERATED CELL DEATH5 (ACD5). The loss of ACD5 function leads to ceramide accumulation and spontaneous cell death. Here, we report that the jasmonate (JA) pathway is activated in the Arabidopsis (Arabidopsis thaliana) acd5 mutant and that methyl JA treatment accelerates ceramide accumulation and cell death in acd5. Moreover, the double mutants of acd5 with jasmonate resistant1-1 and coronatine insensitive1-2 exhibited delayed cell death, suggesting that the JA pathway is involved in acd5-mediated cell death. Quantitative sphingolipid profiling of plants treated with methyl JA indicated that JAs influence sphingolipid metabolism by increasing the levels of ceramides and hydroxyceramides, but this pathway is dramatically attenuated by mutations affecting JA pathway proteins. Furthermore, we showed that JAs regulate the expression of genes encoding enzymes in ceramide metabolism. Together, our findings show that JAs accelerate cell death in acd5 mutants, possibly by modulating sphingolipid metabolism and increasing ceramide levels.
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