ArticleThe Plant cell2024
Species- and organ-specific contribution of peroxisomal cinnamate:CoA ligases to benzoic and salicylic acid biosynthesis.
Article in The Plant cell, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Towards an integrated molecular understanding of plant hormones.Journal of integrative plant biology · 2026Review
- The CDC48A-PUX10 complex regulates peroxisomal protein homeostasis via ubiquitin-dependent degradation in Arabidopsis.The Plant cell · 2026Article
- Evolution and diversification of PAL-mediated salicylic acid biosynthesis in Rosaceae.Horticulture research · 2026Article
- Genome-Wide Identification and Characterization of the Key Genes for Salicylic Acid Biosynthesis in Four Cotton Species.International journal of molecular sciences · 2026Article
- The ancestral salicylic acid biosynthesis pathway in plants.Trends in plant science · 2026Article
- Salicylic acid biosynthesis via the PAL pathway requires benzaldehyde synthase and a benzyl salicylate-specific esterase.The Plant cell · 2025Article
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12 authors.
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Abstract
Salicylic acid (SA) is a prominent defense hormone whose basal level, organ-specific accumulation, and physiological role vary widely among plant species. Of the 2 known pathways of plant SA biosynthesis, the phenylalanine ammonia lyase (PAL) pathway is more ancient and universal but its biosynthetic and physiological roles in diverse plant species remain unclear. Studies in which the PAL pathway is specifically or completely inhibited, as well as a direct comparison of diverse species and different organs within the same species, are needed. To this end, we analyzed the PAL pathway in rice (Oryza sativa) and Arabidopsis (Arabidopsis thaliana), 2 distantly related model plants whose basal SA levels and distributions differ tremendously at the organism and tissue levels. Based on our recent identification of the rice peroxisomal cinnamate:CoA ligases (CNLs), we identified 2 peroxisomal CNLs from Arabidopsis and showed CNL as the most functionally specific enzyme among the known enzymes of the PAL pathway. We then revealed the species- and organ-specific contribution of the PAL pathway to benzoic and salicylic acid biosynthesis and clarified its physiological importance in rice and Arabidopsis. Our findings highlight the necessity to consider species and organ types in future SA-related studies and may help to breed new disease-resistant crops.
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