Comparative transcriptome and metabolome analyses of four Panax species explore the dynamics of metabolite biosynthesis

Background The genus Panax in the Araliaceae family has been used as traditional medicinal plants worldwide and is known to biosynthesize ginsenosides and phytosterols. However, genetic variation between Panax species has influenced their biosynthetic pathways is not fully understood. Methods Sim...

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Những tác giả chính: Hyunjin Koo, Yun Sun Lee, Nguyễn, Văn Bình, Vo Ngoc Linh Giang, Hyun Jo Koo, Hyun-Seung Park, Padmanaban Mohanan, Young Hun Song, Byeol Ryu, Kyo Bin Kang, Sang Hyun Sung, Tae-Jin Yang
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2022
Những chủ đề:
Truy cập trực tuyến:https://scholar.dlu.edu.vn/handle/123456789/1307
https://www.sciencedirect.com/science/article/pii/S1226845322000884
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Tóm tắt:Background The genus Panax in the Araliaceae family has been used as traditional medicinal plants worldwide and is known to biosynthesize ginsenosides and phytosterols. However, genetic variation between Panax species has influenced their biosynthetic pathways is not fully understood. Methods Simultaneous analysis of transcriptomes and metabolomes obtained from adventitious roots of two tetraploid species (Panax ginseng and P. quinquefolius) and two diploid species (P. notoginseng and P. vietnamensis) revealed the diversity of their metabolites and related gene expression profiles. Results The transcriptome analysis showed that 2,3-OXIDOSQUALENE CYCLASEs (OSCs) involved in phytosterol biosynthesis are upregulated in the diploid species, while the expression of OSCs contributing to ginsenoside biosynthesis is higher in the tetraploid species. In agreement with these results, the contents of dammarenediol-type ginsenosides were higher in the tetraploid species relative to the diploid species. Conclusion These results suggest that a whole-genome duplication event has influenced the triterpene biosynthesis pathway in tetraploid Panax species during their evolution or ecological adaptation. This study provides a basis for further efforts to explore the genetic variation of the Panax genus.