ArticleBMC genomics2025
Genome-wide analysis of terpene synthase family in peanut (Arachis hypogaea L.) explores the potential cross-talk in terpenoid biosynthesis.
Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Comprehensive analysis of the cysteine-rich polycomb-like protein (CPP) gene family in peanut: insights into its expression patterns in abiotic stress responses.Frontiers in plant science · 2026Article
- Metabolome and transcriptome analyses reveal metabolic differences and identify candidate regulatory factors among three habitat types ofFrontiers in plant science · 2026Article
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9 authors.
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Abstract
backgroundTerpenoids constitute a diverse group of primary and secondary metabolites that are extensively distributed in living organisms and play key roles in growth, development, and environmental adaptation. Terpenoids are derived from two isomeric precursors that are interconverted by isopentenyl-diphosphate delta-isomerase (IDI), in both the plastids and cytoplasm of plants. The plastidial pathway supplies precursors for diterpenoids and carotenoids, whereas the cytoplasmic pathway provides precursors for sesquiterpenoids and triterpenoids. A family of terpene synthases (TPSs) produce most terpenoids such as sesquiterpenes, hemiterpenes, monoterpenes, diterpenes and sesterterpenes, which in allotetraploid peanut (Arachis hypogaea L.) have been relatively underexplored.
resultsIn this study, 77 AhTPS genes were identified in the peanut genome and phylogenetically classified into five subfamilies. These AhTPSs are organized in clusters across chromosomes and exhibit conserved gene structures and motifs within each subfamily. AhTPSs in the TPS-c and -e/f subfamilies, specifically copalyl diphosphate synthase (CPS) and kaurene synthase (KS), were localized to plastids through transient expression in Nicotiana benthamiana leaves. The expression of AhCPS3 was detected a significant increase in response to abscisic acid (ABA) and methyl jasmonate (MeJA), which was notably distinct from the expression patterns of other AhCPSs and AhKS. Furthermore, 12 terpenoids were identified during seed development. Module-trait correlation analysis disclosed that the expression levels of genes encoding AhCPSs (involved in diterpene biosynthesis) and phytoene synthases (AhPSYs, involved in carotenoid biosynthesis) were significantly correlated with the abundances of soyasaponins (triterpenoids) during seed development in peanut. Additionally, the gene encoding β-amyrin synthase (AhβAS), which produces the backbone of triterpenoids, was identified in a significant module and was also induced by ABA and MeJA. Protein-protein interaction networks indicated AhCPSs, AhPSYs, and AhβAS shared a common interacting protein, AhIDI.
conclusionsThese findings provide valuable insights into the potential cross-talk in terpenoid biosynthesis across different cellular compartments.
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