ArticleBMC plant biology2022
Comparative transcriptome analysis linked to key volatiles reveals molecular mechanisms of aroma compound biosynthesis in Prunus mume.
Article in BMC plant biology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 27 citations in OpenAlex.
- Origin-dependent chemical profiles and quality differentiation of candiedFood chemistry: X · 2026Article
- Transcriptomic and biochemical insights into LOX pathway aroma biosynthesis during ripening ofFood chemistry. Molecular sciences · 2026Article
- Integrated Volatile Metabolome and Transcriptome Analysis Provides Insights into Floral Aroma Biosynthesis in Waterlilies (Plants (Basel, Switzerland) · 2026Article
- Floral scent profiling and candidate gene discovery inFrontiers in plant science · 2026Article
- Molecular insights into floral scent biosynthesis inFrontiers in plant science · 2025Article
- PfERF106, a novel key transcription factor regulating the biosynthesis of floral terpenoids in Primula forbesii Franch.BMC plant biology · 2024Article
- Investigation of genes involved in scent and color production in Rosa damascena Mill.Scientific reports · 2024Article
- Single-cell RNA sequencing reveals a high-resolution cell atlas of petals inHorticulture research · 2024Article
- Comprehensive study of volatile compounds and transcriptome data providing genes for grape aroma.BMC plant biology · 2023Article
- Deciphering aroma formation during flowering in nectar tree (Forestry research · 2023Article
- Integrative analysis of non-targeted metabolome and transcriptome reveals the mechanism of volatile formation in pepper fruit.Frontiers in genetics · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
backgroundMei (Prunus mume) is the only woody plant in the genus Prunus with a floral fragrance, but the underlying mechanisms of aroma compound biosynthesis are unclear despite being a matter of considerable interest.
resultsThe volatile contents of the petals of two cultivars with significantly different aromas, Prunus mume 'Xiao Lve' and Prunus mume 'Xiangxue Gongfen', were characterised by GC-MS at different flowering periods, and a total of 44 volatile compounds were detected. Among these, the main substances forming the typical aroma of P. mume were identified as eugenol, cinnamyl acetate, hexyl acetate and benzyl acetate, with variations in their relative concentrations leading to sensory differences in the aroma of the two cultivars. We compiled a transcriptome database at key stages of floral fragrance formation in the two cultivars and used it in combination with differential analysis of floral volatiles to construct a regulatory network for the biosynthesis of key aroma compounds. The results indicated that PmPAL enzymes and PmMYB4 transcription factors play important roles in regulating the accumulation of key biosynthetic precursors to these compounds. Cytochrome P450s and short-chain dehydrogenases/reductases might also influence the biosynthesis of benzyl acetate by regulating production of key precursors such as benzaldehyde and benzyl alcohol. Furthermore, by analogy to genes with verified functions in Arabidopsis, we predicted that three PmCAD genes, two 4CL genes, three CCR genes and two IGS genes all make important contributions to the synthesis of cinnamyl acetate and eugenol in P. mume. This analysis also suggested that the downstream genes PmBGLU18-like, PmUGT71A16 and PmUGT73C6 participate in regulation of the matrix-bound and volatile states of P. mume aroma compounds.
conclusionsThese findings present potential new anchor points for further exploration of floral aroma compound biosynthesis pathways in P. mume, and provide new insights into aroma induction and regulation mechanisms in woody plants.
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