Integrative multi-omics data provide insights into the biosynthesis of furanocoumarins and mechanisms regulating their accumulation in Angelica dahurica
文献类型： 外文期刊
作者： Ji, Jiaojiao 1 ; Han, Xiaoxu 1 ; Zang, Lanlan 1 ; Li, Yushan 3 ; Lin, Liqun 1 ; Hu, Donghua 1 ; Sun, Shichao 1 ; Ren, Yonglin 2 ; Maker, Garth 2 ; Lu, Zefu 3 ; Wang, Li 1 ;
作者机构： 1.Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Guangdong Lab Lingnan Modern Agr, Key Lab Synthet Biol,Minist Agr & Rural Affairs,Sh, Shenzhen, Peoples R China
2.Murdoch Univ, Coll Environm & Life Sci, Murdoch, WA, Australia
3.Chinese Acad Agr Sci, Inst Crop Sci, Beijing, Peoples R China
4.Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan, Peoples R China
5.Kunpeng Inst Modern Agr Foshan, Foshan 528000, Peoples R China
期刊名称：COMMUNICATIONS BIOLOGY （ 影响因子：5.1； 五年影响因子：5.8 ）
ISSN：
年卷期： 2025 年 8 卷 1 期
页码：
收录情况： SCI
摘要： Furocoumarins (FCs), important natural compounds with biodefense roles and pharmacological activities, are notably abundant in medicinal plant Angelica dahurica. However, its accumulation patterns over development stages in FC-enriched tissue, biosynthetic pathways, and regulatory mechanisms in A. dahurica remain elusive. Here, we quantified the concentration dynamics of 17 coumarins across six developmental stages of root and found a gradual decrease in FC concentration as the roots develop. Using a de-novo assembled chromosome-level genome for A. dahurica, we conducted integrative multi-omics analyses to screen out candidate genes to fill in the sole missing step in the biosynthesis of imperatorin and isoimperatorin. This revealed that CYP71AZ18 catalyzes hydroxylation at the C-5 position of psoralen to generate bergaptol, while CYP71AZ19 and CYP83F95 catalyze hydroxylation at the C-8 position to produce xanthotoxol, notably indicating that a single step is catalyzed by two genes from distinct CYP450 subfamilies in this species. CYP71AZ19 originated from a proximal duplication event of CYP71AZ18, specific to A. dahurica, and subsequently underwent neofunctionalization. Accessible chromatin regions (ACRs), especially proximal ACRs, correlated with high gene expression levels, and the three validated genes exhibited strong signals of ACRs, showing the importance of chromosomal accessibility in regulating metabolite biosynthesis.
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