ArticleBMC genomics2024
An improved genome assembly of Chrysanthemum nankingense reveals expansion and functional diversification of terpene synthase gene family.
Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Genomic mechanism of aroma terpenoids biosynthesis in plants.Journal of advanced research · 2026Review
- Article
- Evolutionary and molecular insights into the terpene synthase gene (TPS) family in the medicinal plant Bidens alba.Scientific reports · 2026Article
- Characterisation of Early Biosynthetic Steps of Atractylon via an Integrative Strategy.Plant biotechnology journal · 2025Article
- OfWRKY33 binds to the promoter of key linalool synthase geneHorticulture research · 2025Article
- Integration of metabolomics and transcriptomics unravels the identification ofFrontiers in plant science · 2025Article
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7 authors.
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Abstract
backgroundTerpenes are important components of plant aromas, and terpene synthases (TPSs) are the key enzymes driving terpene diversification. In this study, we characterized the volatile terpenes in five different Chrysanthemum nankingense tissues. In addition, genome-wide identification and expression analysis of TPS genes was conducted utilizing an improved chromosome-scale genome assembly and tissue-specific transcriptomes. The biochemical functions of three representative TPSs were also investigated.
resultsWe identified tissue-specific volatile organic compound (VOC) and volatile terpene profiles. The improved Chrysanthemum nankingense genome assembly was high-quality, including a larger assembled size (3.26 Gb) and a better contig N50 length (3.18 Mb) compared to the old version. A total of 140 CnTPS genes were identified, with the majority representing the TPS-a and TPS-b subfamilies. The chromosomal distribution of these TPS genes was uneven, and 26 genes were included in biosynthetic gene clusters. Closely-related Chrysanthemum taxa were also found to contain diverse TPS genes, and the expression profiles of most CnTPSs were tissue-specific. The three investigated CnTPS enzymes exhibited versatile activities, suggesting multifunctionality.
conclusionsWe systematically characterized the structure and diversity of TPS genes across the Chrysanthemum nankingense genome, as well as the potential biochemical functions of representative genes. Our results provide a basis for future studies of terpene biosynthesis in chrysanthemums, as well as for the breeding of improved chrysanthemum varieties.
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