ArticleBMC plant biology2024
Integrated transcriptomics and metabolomics analysis provides insights into aromatic volatiles formation in Cinnamomum cassia bark at different harvesting times.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 12 citations in OpenAlex.
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- Transcriptome-wide analysis of AlbHLH gene family in Atractylodes lancea (Thunb.) DC and functional exploration of AlbHLH3 in regulating terpenoid biosynthesis.BMC plant biology · 2025Article
- Reveal the differences in flavor of five varieties of black teas via sensory evaluation, UPLC, and GC × GC-QTOFMS approaches.Food chemistry: X · 2025Article
- Integrated volatile metabolomic and transcriptomic analysis provides insights into the regulation of odor components between two Ferula species.BMC plant biology · 2025Article
- Effect of freeze-pressure regulated extraction technology on the physicochemical properties and pharmacological activities of guizhi extract.Frontiers in chemistry · 2025Article
- Engineering Escherichia coli via introduction of the isopentenol utilization pathway to effectively produce geranyllinalool.Microbial cell factories · 2024Article
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8 authors at 3 institutions in 1 country.
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Abstract
backgroundCinnamomum cassia Presl, classified in the Lauraceae family, is widely used as a spice, but also in medicine, cosmetics, and food. Aroma is an important factor affecting the medicinal and flavoring properties of C. cassia, and is mainly determined by volatile organic compounds (VOCs); however, little is known about the composition of aromatic VOCs in C. cassia and their potential molecular regulatory mechanisms. Here, integrated transcriptomic and volatile metabolomic analyses were employed to provide insights into the formation regularity of aromatic VOCs in C. cassia bark at five different harvesting times.
resultsThe bark thickness and volatile oil content were significantly increased along with the development of the bark. A total of 724 differentially accumulated volatiles (DAVs) were identified in the bark samples, most of which were terpenoids. Venn analysis of the top 100 VOCs in each period showed that twenty-eight aromatic VOCs were significantly accumulated in different harvesting times. The most abundant VOC, cinnamaldehyde, peaked at 120 months after planting (MAP) and dominated the aroma qualities. Five terpenoids, α-copaene, β-bourbonene, α-cubebene, α-funebrene, and δ-cadinene, that peaked at 240 MAP could also be important in creating C. cassia's characteristic aroma. A list of 43,412 differentially expressed genes (DEGs) involved in the biosynthetic pathways of aromatic VOCs were identified, including phenylpropanoids, mevalonic acid (MVA) and methylerythritol phosphate (MEP). A gene-metabolite regulatory network for terpenoid and phenylpropanoid metabolism was constructed to show the key candidate structural genes and transcription factors involved in the biosynthesis of terpenoids and phenylpropanoids.
conclusionsThe results of our research revealed the composition and changes of aromatic VOCs in C. cassia bark at different harvesting stages, differentiated the characteristic aroma components of cinnamon, and illuminated the molecular mechanism of aroma formation. These foundational results will provide technical guidance for the quality breeding of C. cassia.
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