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논문 기본 정보

자료유형
학술저널
저자정보
Xiaoying Li (Jilin University) Xianhui Cheng (Jilin University) Baosheng Liao (China Academy of Chinese Medical Sciences) Jiang Xu (China Academy of Chinese Medical Sciences) Xu Han (Jilin Zixin Pharmaceutical Industrial) Jinbo Zhang (Nanjing Novogene Bio Technology) Zhiwei Lin (Nanjing Novogene Bio Technology) Lianghai Hu (Jilin University)
저널정보
고려인삼학회 Journal of Ginseng Research Journal of Ginseng Research Vol.45 No.1
발행연도
2021.1
수록면
58 - 65 (8page)

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초록· 키워드

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Background: Panax ginseng, as one of the most widely used herbal medicines worldwide, has been studied comprehensively in terms of the chemical components and pharmacology. The proteins from ginseng are also of great importance for both nutrition value and the mechanism of secondary metabolites. However, the proteomic studies are less reported in the absence of the genome information. With the completion of ginseng genome sequencing, the proteome profiling has become available for the functional study of ginseng protein components.
Methods: We optimized the protein extraction process systematically by using SDS-PAGE and one-dimensional liquid chromatography mass spectrometry. The extracted proteins were then analyzed by two-dimensional chromatography separation and cutting-edge mass spectrometry technique.
Results: A total of 2,732 and 3,608 proteins were identified from ginseng root and cauline leaf, respectively, which was the largest data set reported so far. Only around 50% protein overlapped between the cauline leaf and root tissue parts because of the function assignment for plant growing. Further gene ontology and KEGG pathway revealed the distinguish difference between ginseng root and leaf, which accounts for the photosynthesis and metabolic process. With in-deep analysis of functional proteins related to ginsenoside synthesis, we interestingly found the cytochrome P450 and UDP-glycosyltransferase expression extensively in cauline leaf but not in the root, indicating that the post glucoside synthesis of ginsenosides might be carried out when growing and then transported to the root at withering.
Conclusion: The systematically proteome analysis of Panax ginseng will provide us comprehensive understanding of ginsenoside synthesis and guidance for artificial cultivation.

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ABSTRACT
1. Introduction
2. Materials and methods
3. Results and discussion
4. Conclusion
References

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