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Lian W, Zhang L, Wang C, Wu S, He S, Lei J, Zhang Y, You L, Zheng L, Luo X, Ye Z, Hu Z, Wang G, Zhu Y, Li C, Liu J. Systematic identification and functional analysis of root meristem growth factors (RGFs) reveals role of PgRGF1 in modulation of root development and ginsenoside production in Panax ginseng. Int J Biol Macromol 2024; 274:133446. [PMID: 38945337 DOI: 10.1016/j.ijbiomac.2024.133446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 06/10/2024] [Accepted: 06/24/2024] [Indexed: 07/02/2024]
Abstract
Panax ginseng C.A. Mey., known for its medicinal and dietary supplement properties, primarily contains pharmacologically active ginsenosides. However, the regulatory mechanisms linking ginseng root development with ginsenoside biosynthesis are still unclear. Root meristem growth factors (RGFs) are crucial for regulating plant root growth. In our study, we identified five ginseng RGF peptide sequences from the ginseng genome and transcriptome libraries. We treated Arabidopsis and ginseng adventitious roots with exogenous Panax ginseng RGFs (PgRGFs) to assess their activities. Our results demonstrate that PgRGF1 influences gravitropic responses and reduces lateral root formation in Arabidopsis. PgRGF1 has been found to restrict the number and length of ginseng adventitious root branches in ginseng. Given the medicinal properties of ginseng, We determined the ginsenoside content and performed transcriptomic analysis of PgRGF1-treated ginseng adventitious roots. Specifically, the total ginsenoside content in ginseng adventitious roots decreased by 19.98 % and 63.71 % following treatments with 1 μM and 10 μM PgRGF1, respectively, compared to the control. The results revealed that PgRGF1 affects the accumulation of ginsenosides by regulating the expression of genes associated with auxin transportation and ginsenoside biosynthesis. These findings suggest that PgRGF1, as a peptide hormone regulator in ginseng, can modulate adventitious root growth and ginsenoside accumulation.
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Affiliation(s)
- Weipeng Lian
- School of Pharmacy, Shihezi University, Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, Xinjiang, Shihezi 832000, China
| | - Linfan Zhang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Chenglin Wang
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Shiqi Wu
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Shan He
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Jinlin Lei
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Yonghong Zhang
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Lei You
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Lanlan Zheng
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Xiangyin Luo
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Zhengxiu Ye
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China
| | - Ziyao Hu
- College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Guodong Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Yun Zhu
- School of Pharmacy, Shihezi University, Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, Xinjiang, Shihezi 832000, China.
| | - Chen Li
- Laboratory of Medicinal Plant, Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medicine, Hubei University of Medicine, Shiyan 442000, PR China.
| | - Juan Liu
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
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Wan L, Huang Q, Li C, Yu H, Tan G, Wei S, El-Sappah AH, Sooranna S, Zhang K, Pan L, Zhang Z, Lei M. Integrated metabolome and transcriptome analysis identifies candidate genes involved in triterpenoid saponin biosynthesis in leaves of Centella asiatica (L.) Urban. FRONTIERS IN PLANT SCIENCE 2024; 14:1295186. [PMID: 38283979 PMCID: PMC10811118 DOI: 10.3389/fpls.2023.1295186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/22/2023] [Indexed: 01/30/2024]
Abstract
Centella asiatica (L.) Urban is a well-known medicinal plant which has multiple pharmacological properties. Notably, the leaves of C. asiatica contain large amounts of triterpenoid saponins. However, there have only been a few studies systematically elucidating the metabolic dynamics and transcriptional differences regarding triterpenoid saponin biosynthesis during the leaf development stages of C. asiatica. Here, we performed a comprehensive analysis of the metabolome and transcriptome to reveal the dynamic patterns of triterpenoid saponin accumulation and identified the key candidate genes associated with their biosynthesis in C. asiatica leaves. In this study, we found that the key precursors in the synthesis of terpenoids, including DMAPP, IPP and β-amyrin, as well as 22 triterpenes and eight triterpenoid saponins were considered as differentially accumulated metabolites. The concentrations of DMAPP, IPP and β-amyrin showed significant increases during the entire stage of leaf development. The levels of 12 triterpenes decreased only during the later stages of leaf development, but five triterpenoid saponins rapidly accumulated at the early stages, and later decreased to a constant level. Furthermore, 48 genes involved in the MVA, MEP and 2, 3-oxidosqualene biosynthetic pathways were selected following gene annotation. Then, 17 CYP450s and 26 UGTs, which are respectively responsible for backbone modifications, were used for phylogenetic-tree construction and time-specific expression analysis. From these data, by integrating metabolomics and transcriptomics analyses, we identified CaHDR1 and CaIDI2 as the candidate genes associated with DMAPP and IPP synthesis, respectively, and CaβAS1 as the one regulating β-amyrin synthesis. Two genes from the CYP716 family were confirmed as CaCYP716A83 and CaCYP716C11. We also selected two UGT73 families as candidate genes, associated with glycosylation of the terpenoid backbone at C-3 in C. asiatica. These findings will pave the way for further research on the molecular mechanisms associated with triterpenoid saponin biosynthesis in C. asiatica.
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Affiliation(s)
- Lingyun Wan
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Qiulan Huang
- Faculty of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
| | - Cui Li
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Haixia Yu
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Guiyu Tan
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Shugen Wei
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Ahmed H. El-Sappah
- Faculty of Agriculture, Forestry and Food Engineering, Yibin University, Yibin, China
- Genetics Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Suren Sooranna
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London, United Kingdom
| | - Kun Zhang
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Limei Pan
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Zhanjiang Zhang
- Guangxi Key Laboratory for High-Quality Formation and Utilization of Dao-Di Herbs, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
| | - Ming Lei
- National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
- National Engineering Research Center for the Development of Southwestern Endangered Medicinal Materials, Guangxi Botanical Garden of Medicinal Plants, Nanning, China
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Zhu L, Hu J, Li R, Liu C, Jiang Y, Liu T, Liu M, Zhao M, Wang Y, Wang K, Zhang M. Transcriptome-Wide Integrated Analysis of the PgGT25-04 Gene in Controlling Ginsenoside Biosynthesis in Panax ginseng. PLANTS (BASEL, SWITZERLAND) 2023; 12:1980. [PMID: 37653897 PMCID: PMC10224475 DOI: 10.3390/plants12101980] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/10/2023] [Accepted: 05/10/2023] [Indexed: 08/13/2023]
Abstract
Panax ginseng is a valuable medicinal herb of the Araliaceae family with various pharmacological activities. The Trihelix transcription factors family is involved in growth and secondary metabolic processes in plants, but no studies have been reported on the involvement of Trihelix genes in secondary metabolic processes in ginseng. In this study, weighted co-expression network analysis, correlation analysis between PgGTs and ginsenosides and key enzyme genes, and interaction network analysis between PgGTs and key enzyme genes were used to screen out the PgGT25-04 gene, which was negatively correlated with ginsenoside synthesis. Using ABA treatment of ginseng hair roots, PgGT genes were found to respond to ABA signals. Analysis of the sequence characteristics and expression pattern of the PgGT25-04 gene in ginseng revealed that its expression is spatiotemporally specific. The interfering vector pBI121-PgGT25-04 containing the PgGT25-04 gene was constructed, and the ginseng adventitious roots were transformed using the Agrobacterium-mediated method to obtain the pBI121-PgGT25-04 positive hairy root monocot line. The saponin contents of positive ginseng hair roots were measured by HPLC, and the changes in PgGT25-04 and key enzyme genes in positive ginseng hair roots were detected via fluorescence quantitative RT-PCR. These results preliminarily identified the role of the PgGT25-04 gene in the secondary metabolism of ginseng in Jilin to provide a theoretical basis for the study of Trihelix transcription factors in Panax ginseng.
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Affiliation(s)
- Lei Zhu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Jian Hu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Ruiqi Li
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Chang Liu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Yang Jiang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Tao Liu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Mingming Liu
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
| | - Mingzhu Zhao
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Yi Wang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Kangyu Wang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
| | - Meiping Zhang
- College of Life Science, Jilin Agricultural University, Changchun 130118, China; (L.Z.); (J.H.); (R.L.); (C.L.); (Y.J.); (T.L.); (M.L.); (M.Z.); (Y.W.)
- Jilin Engineering Research Center Ginseng Genetic Resources Development and Utilization, Changchun 130118, China
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Jiao H, Hua Z, Zhou J, Hu J, Zhao Y, Wang Y, Yuan Y, Huang L. Genome-wide analysis of Panax MADS-box genes reveals role of PgMADS41 and PgMADS44 in modulation of root development and ginsenoside synthesis. Int J Biol Macromol 2023; 233:123648. [PMID: 36780966 DOI: 10.1016/j.ijbiomac.2023.123648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 01/10/2023] [Accepted: 02/04/2023] [Indexed: 02/13/2023]
Abstract
Panax root is an important material used in food and medicine. Its cultivation and production usually depend on root shape and ginsenoside content. There is limited understanding about the synergistic regulatory mechanisms underlying root development and ginsenoside accumulation in Panax. MADS-box transcription factors possibly play a significant role in regulation of root growth and secondary metabolites. In this study, we identified MADS-box transcription factors of Panax, and found high expression levels of SVP, ANR1 and SOC1-like clade genes in its roots. We confirmed that two SOC1-like genes, PgMADS41 and PgMADS44, bind to expansion gene promoters (PgEXLB5 and PgEXPA13), which contribute to root growth, and to SE-4, CYP716A52v2-4, and β-AS-13 promoters, which participate in ginsenoside Ro biosynthesis. These two genes were found to increase lateral root number and main root length in transgenic Arabidopsis thaliana by improving AtEXLA1, AtEXLA3, AtEXPA5, and AtEXPA6 gene expression. As a non-phytohormone regulatory tool, Ro can stimulate adventitious root growth by influencing their expression and ginsenoside accumulation. Our study provides new insights into the coordinated regulatory function of SOC1-like clade genes in Panax root development and triterpenoid accumulation, paving the way towards understanding root formation and genetic improvement in Panax.
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Affiliation(s)
- Honghong Jiao
- State Key Laboratory of Grassland Agro-ecosystems, Engineering Research Center of Grassland Industry, Ministry of Education, Gansu Tech Innovation Centre of Western China Grassland Industry, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Zhongyi Hua
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Junhui Zhou
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jin Hu
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yuyang Zhao
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Yingping Wang
- Jilin Agricultural University, Changchun 130118, China
| | - Yuan Yuan
- State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Luqi Huang
- State Key Laboratory of Grassland Agro-ecosystems, Engineering Research Center of Grassland Industry, Ministry of Education, Gansu Tech Innovation Centre of Western China Grassland Industry, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China; State Key Laboratory of Dao-di Herbs, National Resource Center for Chinese Materia Medica, Chinese Academy of Chinese Medical Sciences, Beijing 100700, China.
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Wen C, Zhang Z, Shi Q, Duan X, Du J, Wu C, Li X. Methyl Jasmonate- and Salicylic Acid-Induced Transcription Factor ZjWRKY18 Regulates Triterpenoid Accumulation and Salt Stress Tolerance in Jujube. Int J Mol Sci 2023; 24:ijms24043899. [PMID: 36835319 PMCID: PMC9965381 DOI: 10.3390/ijms24043899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/09/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023] Open
Abstract
Triterpenoids are important, pharmacologically active substances in jujube (Ziziphus jujuba Mill.), and play an important role in the plant's resistance to abiotic stress. However, regulation of their biosynthesis, and the underlying mechanism of their balance with stress resistance, remain poorly understood. In this study, we screened and functionally characterized the ZjWRKY18 transcription factor, which is associated with triterpenoid accumulation. The transcription factor is induced by methyl jasmonate and salicylic acid, and its activity was observed by gene overexpression and silencing experiments, combined with analyses of transcripts and metabolites. ZjWRKY18 gene silencing decreased the transcription of triterpenoid synthesis pathway genes and the corresponding triterpenoid content. Overexpression of the gene promoted the biosynthesis of jujube triterpenoids, as well as triterpenoids in tobacco and Arabidopsis thaliana. In addition, ZjWRKY18 binds to W-box sequences to activate promoters of 3-hydroxy-3-methyl glutaryl coenzyme A reductase and farnesyl pyrophosphate synthase, suggesting that ZjWRKY18 positively regulates the triterpenoid synthesis pathway. Overexpression of ZjWRKY18 also increased tolerance to salt stress in tobacco and Arabidopsis thaliana. These results highlight the potential use of ZjWRKY18 to improve triterpenoid biosynthesis and salt stress tolerance in plants, and provide a strong basis for metabolic engineering to improve the content of triterpenoids and breeding of jujube varieties that are resistant to stress.
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Affiliation(s)
- Cuiping Wen
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
- Research Center for Jujube Engineering and Technology of National Forestry and Grassland Administration, Northwest Agriculture and Forestry University, Xianyang 712100, China
| | - Zhong Zhang
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
- Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518116, China
| | - Qianqian Shi
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
- Research Center for Jujube Engineering and Technology of National Forestry and Grassland Administration, Northwest Agriculture and Forestry University, Xianyang 712100, China
| | - Xiaoshan Duan
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
- Research Center for Jujube Engineering and Technology of National Forestry and Grassland Administration, Northwest Agriculture and Forestry University, Xianyang 712100, China
| | - Jiangtao Du
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
| | - Cuiyun Wu
- College of Horticulture and Forestry, Tarim University, Alar 843300, China
| | - Xingang Li
- College of Forestry, Northwest Agriculture and Forestry University, Xianyang 712100, China
- Research Center for Jujube Engineering and Technology of National Forestry and Grassland Administration, Northwest Agriculture and Forestry University, Xianyang 712100, China
- College of Horticulture and Forestry, Tarim University, Alar 843300, China
- Correspondence:
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Ma R, Yang P, Jing C, Fu B, Teng X, Zhao D, Sun L. Comparison of the metabolomic and proteomic profiles associated with triterpene and phytosterol accumulation between wild and cultivated ginseng. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 195:288-299. [PMID: 36652850 DOI: 10.1016/j.plaphy.2023.01.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/02/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Wild ginseng is thought to be superior in its medicinal quality to cultivated ginseng, potentially owing to the differences in active components. This study was designed accordingly to assess the differences in secondary metabolite components and their synthesis in wild and cultivated ginseng by using quantitative proteomics combined with secondary metabolomics approaches. A total of 72 secondary metabolites were found to be differentially abundant, of which dominant abundant in wild ginseng primarily included triterpenoid saponins (ginsenosides) and phytosterols. Ginsenoside diversity was increased in wild ginseng, particularly with respect to rare ginsenosides. Ginsenoside Rk1, F1, Rg5, Rh1, PPT, Rh2, and CK enriched in wild ginseng were validated by HPLC. In addition to ginsenosides, stigmasterol and β-sitosterol were accumulated in wild ginseng. 102 differentially expressed proteins between wild and cultivated ginseng were identified using iTRAQ labeling technique. Among them, 25 were related to secondary metabolism, mainly involved in sesquiterpene and triterpene biosynthesis, which was consistent with metabolomics results. Consistently, the activity levels of HMGR, FDPS, SS, SE, DS, CYP450, GT and CAS, which are key enzymes related to ginsenoside and phytosterol biosynthesis, were confirmed to be elevated in wild ginseng.The biosynthesis of ginsenosides and phytosterols in wild ginseng is higher than that in cultivated ginseng, which may be related to natural growth without artificial domestication. To some extent, this study explained the accumulation of pharmacodynamic components and overall quality of ginseng, which could provide reference for the germplasm improvement and planting of ginseng.
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Affiliation(s)
- Rui Ma
- Research Center of Traditional Chinese Medicine, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China
| | - Pengdi Yang
- Jilin Technology Innovation Center for Chinese Medicine Biotechnology, Beihua University, 15 Jilin Street, Jilin, Jilin Province, 132013, China
| | - Chenxu Jing
- Research Center of Traditional Chinese Medicine, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China
| | - Baoyu Fu
- Research Center of Traditional Chinese Medicine, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China
| | - Xiaoyu Teng
- Jilin Technology Innovation Center for Chinese Medicine Biotechnology, Beihua University, 15 Jilin Street, Jilin, Jilin Province, 132013, China
| | - Daqing Zhao
- Research Center of Traditional Chinese Medicine, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China; Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China
| | - Liwei Sun
- Research Center of Traditional Chinese Medicine, Affiliated Hospital, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China; Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Changchun University of Chinese Medicine, Changchun, Jilin Province, 130021, China.
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Mohanan P, Yang TJ, Song YH. Genes and Regulatory Mechanisms for Ginsenoside Biosynthesis. JOURNAL OF PLANT BIOLOGY = SINGMUL HAKHOE CHI 2023; 66:87-97. [PMID: 36714200 PMCID: PMC9867542 DOI: 10.1007/s12374-023-09384-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 05/13/2023]
Abstract
Panax ginseng is a medicinal plant belonging to the Araliaceae family. Ginseng is known as the king of oriental medicine, which has been practiced since ancient times in East Asian countries and globally in the modern era. Ginseng is used as an adaptogen, and research shows that it has several pharmacological benefits for various ailments such as cancer, inflammation, diabetes, and neurological symptoms. The pharmacological benefits of ginseng are attributed to the triterpenoid saponin ginsenosides found throughout the Panax ginseng species, which are abundant in its root and are found exclusively in P. ginseng and Panax quinquefolius. Recently, with the completion of the entire ginseng genome sequencing and the construction of the ginseng genome database, it has become possible to access information about many genes newly predicted to be involved in ginsenoside biosynthesis. This review briefly summarizes the current progress in ginseng genome analysis and genes involved in ginsenoside biosynthesis, proposing directions for functional studies of the predicted genes related to ginsenoside production and its regulation.
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Affiliation(s)
- Padmanaban Mohanan
- Plant Genomics and Breeding Research Institute, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
| | - Tae-Jin Yang
- Plant Genomics and Breeding Research Institute, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
- Department of Agriculture, Forestry and Bioresources, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
| | - Young Hun Song
- Plant Genomics and Breeding Research Institute, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826 Korea
- Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826 Korea
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8
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Transcriptome Level Reveals the Triterpenoid Saponin Biosynthesis Pathway of Bupleurum falcatum L. Genes (Basel) 2022; 13:genes13122237. [PMID: 36553505 PMCID: PMC9777608 DOI: 10.3390/genes13122237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/19/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Bupleurum falcatum L. is frequently used in traditional herbal medicine in Asia. Saikosaponins (SSs) are the main bioactive ingredients of B. falcatum, but the biosynthetic pathway of SSs is unclear, and the biosynthesis of species-specific phytometabolites is little known. Here we resolved the transcriptome profiles of B. falcatum to identify candidate genes that might be involved in the biosynthesis of SSs. By isoform sequencing (Iso-Seq) analyses of the whole plant, a total of 26.98 Gb of nucleotides were obtained and 124,188 unigenes were identified, and 81,594 unigenes were successfully annotated. A total of 1033 unigenes of 20 families related to the mevalonate (MVA) pathway and methylerythritol phosphate (MEP) pathway of the SS biosynthetic pathway were identified. The WGCNA (weighted gene co-expression network analysis) of these unigenes revealed that only the co-expression module of MEmagenta, which contained 343 unigenes, was highly correlated with the biosynthesis of SSs. Comparing differentially expressed gene analysis and the WGCNA indicated that 130 out of 343 genes of the MEmagenta module exhibited differential expression levels, and genes with the most "hubness" within this module were predicted. Manipulation of these genes might improve the biosynthesis of SSs.
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9
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Huang P, Zang F, Li C, Lin F, Zang D, Li B, Zheng Y. The Akebia Genus as a Novel Forest Crop: A Review of Its Genetic Resources, Nutritional Components, Biosynthesis, and Biological Studies. FRONTIERS IN PLANT SCIENCE 2022; 13:936571. [PMID: 35958221 PMCID: PMC9360799 DOI: 10.3389/fpls.2022.936571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/22/2022] [Indexed: 06/15/2023]
Abstract
The genus Akebia belongs to the Lardizabalaceae family and comprises five species that are primarily distributed in East Asia. Plants of the Akebia genus comprise deciduous and semi-evergreen perennial twining vines that have been used in Chinese herbal medicine for at least 2000 years. The plants of this genus have the potential to form a novel forest crop with high nutritional and economic value because their fruit has a delicious sweet taste and rich nutrient components. In this study, we organized, analyzed, and evaluated the available published scientific literature on the botanical, ecological, and phytochemical characteristics of Akebia plants. Based on these studies, we briefly introduced botanical and ecological characteristics and focused on reviewing the development and utilization of wild genetic resources in the genus Akebia. We further explored the genus' rich nutritional components, such as triterpenes, flavonoids, polyphenols, polysaccharides, and fatty acids, and their potential use in food and health improvement applications. In addition, several papers describing advances in biotechnological research focusing on micropropagation, nutrient biosynthesis, and fruit ripeness were also included. This review provides comprehensive knowledge of the Akebia genus as a new forest crop for food and fruit utilization, and we also discuss future breeding and research prospects.
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Affiliation(s)
- Ping Huang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Fengqi Zang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Changhong Li
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Furong Lin
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Dekui Zang
- Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, College of Forestry, Shandong Agricultural University, Tai'an, China
| | - Bin Li
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
| | - Yongqi Zheng
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Forest Silviculture and Tree Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, China
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10
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Han W, Xu J, Wan H, Zhou L, Wu B, Gao J, Guo X, Sui C, Wei J. Overexpression of
BcERF3
increases biosynthesis of saikosaponins in
Bupleurum chinense. FEBS Open Bio 2022; 12:1344-1352. [PMID: 35429231 PMCID: PMC9249337 DOI: 10.1002/2211-5463.13412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 03/03/2022] [Accepted: 04/14/2022] [Indexed: 11/10/2022] Open
Affiliation(s)
- Wenjing Han
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Jiao Xu
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Hefang Wan
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Lei Zhou
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Bin Wu
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Jianping Gao
- Department of Pharmacognosy Shanxi Medicine University Taiyuan 030001 China
| | - Xinwei Guo
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Chun Sui
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
| | - Jianhe Wei
- Institute of Medicinal Plant Development (IMPLAD) Chinese Academy of Medical Sciences & Peking Union Medical College (Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education & National Engineering Laboratory for Breeding of Endangered Medicinal Materials) Beijing 100193 China
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11
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Li M, Zhao M, Wei P, Zhang C, Lu W. Biosynthesis of Soyasapogenol B by Engineered Saccharomyces cerevisiae. Appl Biochem Biotechnol 2021; 193:3202-3213. [PMID: 34097255 DOI: 10.1007/s12010-021-03599-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/28/2021] [Indexed: 11/28/2022]
Abstract
Soyasapogenol B is an oleanane-type pentacyclic triterpene that has various applications in food and healthcare and has a higher biological activity than soyasaponin. Saccharomyces cerevisiae is a potential platform for terpenoid production with mature genetic tools for metabolic pathway manipulation. In this study, we developed a biosynthesis method to produce soyasapogenol B. First, we expressed β-amyrin synthase derived from Glycyrrhiza glabra in S. cerevisiae to generate β-amyrin, as the precursor of soyasapogenol B. Several different types of promoters were then used to regulate the expression of key genes in the mevalonate pathway (MVA), and this subsequently increased the yield of β-amyrin to 17.6 mg/L, 25-fold more than that produced in the original strain L01 (0.68 mg/L). Then, using the β-amyrin-producing strain, we expressed soyasapogenol B synthases from Medicago truncatula (CYP93E2 and CYP72A61V2) and from G. glabra (CYP93E3 and CYP72A566). Soyasapogenol B yields were then optimized by using soyasapogenol B synthases and cytochrome P450 reductase from G. glabra. The most effective soyasapogenol B production strain was used for fermentation, and the yield of soyasapogenol B reached 2.9 mg/L in flask and 8.36 mg/L in a 5-L bioreactor with fed glucose and ethanol. This study demonstrated the heterologous synthesis of soyasapogenol B in S. cerevisiae using the combined expression of CYP93E3 and CYP72A566 in the synthesis pathway, which significantly increased the production of soyasapogenol B and provides a reference method for the biosynthesis of other triterpenes.
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Affiliation(s)
- Man Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Mengya Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Panpan Wei
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Chuanbo Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
- Key Laboratory of System Bioengineering (Tianjin University), Ministry of Education, Tianjin, People's Republic of China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, People's Republic of China
| | - Wenyu Lu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China.
- Key Laboratory of System Bioengineering (Tianjin University), Ministry of Education, Tianjin, People's Republic of China.
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, People's Republic of China.
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12
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Zhu X, Liu X, Liu T, Wang Y, Ahmed N, Li Z, Jiang H. Synthetic biology of plant natural products: From pathway elucidation to engineered biosynthesis in plant cells. PLANT COMMUNICATIONS 2021; 2:100229. [PMID: 34746761 PMCID: PMC8553972 DOI: 10.1016/j.xplc.2021.100229] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 04/11/2021] [Accepted: 08/06/2021] [Indexed: 05/10/2023]
Abstract
Plant natural products (PNPs) are the main sources of drugs, food additives, and new biofuels and have become a hotspot in synthetic biology. In the past two decades, the engineered biosynthesis of many PNPs has been achieved through the construction of microbial cell factories. Alongside the rapid development of plant physiology, genetics, and plant genetic modification techniques, hosts have now expanded from single-celled microbes to complex plant systems. Plant synthetic biology is an emerging field that combines engineering principles with plant biology. In this review, we introduce recent advances in the biosynthetic pathway elucidation of PNPs and summarize the progress of engineered PNP biosynthesis in plant cells. Furthermore, a future vision of plant synthetic biology is proposed. Although we are still a long way from overcoming all the bottlenecks in plant synthetic biology, the ascent of this field is expected to provide a huge opportunity for future agriculture and industry.
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Affiliation(s)
- Xiaoxi Zhu
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Xiaonan Liu
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Tian Liu
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- Life Science and Technology College, Guangxi University, Nanning, Guangxi 530004, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Yina Wang
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
- Yunnan Agricultural University, Kunming, Yunnan 650201, China
| | - Nida Ahmed
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Zhichao Li
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
| | - Huifeng Jiang
- Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
- National Technology Innovation Center of Synthetic Biology, Tianjin 300308, China
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13
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Yu H, Liu M, Yin M, Shan T, Peng H, Wang J, Chang X, Peng D, Zha L, Gui S. Transcriptome analysis identifies putative genes involved in triterpenoid biosynthesis in Platycodon grandiflorus. PLANTA 2021; 254:34. [PMID: 34291354 DOI: 10.1007/s00425-021-03677-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/30/2021] [Indexed: 05/25/2023]
Abstract
Comprehensive transcriptome analysis of different Platycodon grandiflorus tissues discovered genes related to triterpenoid saponin biosynthesis. Platycodon grandiflorus (Jacq.) A. DC. (P. grandiflorus), a traditional Chinese medicine, contains considerable triterpenoid saponins with broad pharmacological activities. Triterpenoid saponins are the major components of P. grandiflorus. Here, single-molecule real-time and next-generation sequencing technologies were combined to comprehensively analyse the transcriptome and identify genes involved in triterpenoid saponin biosynthesis in P. grandiflorus. We quantified four saponins in P. grandiflorus and found that their total content was highest in the roots and lowest in the stems and leaves. A total of 173,354 non-redundant transcripts were generated from the PacBio platform, and three full-length transcripts of β-amyrin synthase, the key synthase of β-amyrin, were identified. A total of 132,610 clean reads obtained from the DNBSEQ platform were utilised to explore key genes related to the triterpenoid saponin biosynthetic pathway in P. grandiflorus, and 96 differentially expressed genes were selected as candidates. The expression levels of these genes were verified by quantitative real-time PCR. Our reliable transcriptome data provide valuable information on the related biosynthesis pathway and may provide insights into the molecular mechanisms of triterpenoid saponin biosynthesis in P. grandiflorus.
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Affiliation(s)
- Hanwen Yu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Mengli Liu
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Minzhen Yin
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Tingyu Shan
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Huasheng Peng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
- Chinese Academy of Medical Sciences Research Unit (No. 2019RU057), National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Jutao Wang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Xiangwei Chang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Daiyin Peng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Liangping Zha
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.
- Institute of Conservation and Development of Traditional Chinese Medicine Resources, Anhui Academy of Chinese Medicine, Hefei, 230012, China.
| | - Shuangying Gui
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, China.
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14
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Hou M, Wang R, Zhao S, Wang Z. Ginsenosides in Panax genus and their biosynthesis. Acta Pharm Sin B 2021; 11:1813-1834. [PMID: 34386322 PMCID: PMC8343117 DOI: 10.1016/j.apsb.2020.12.017] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/03/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
Ginsenosides are a series of glycosylated triterpenoids which belong to protopanaxadiol (PPD)-, protopanaxatriol (PPT)-, ocotillol (OCT)- and oleanane (OA)-type saponins known as active compounds of Panax genus. They are accumulated in plant roots, stems, leaves, and flowers. The content and composition of ginsenosides are varied in different ginseng species, and in different parts of a certain plant. In this review, we summarized the representative saponins structures, their distributions and the contents in nearly 20 Panax species, and updated the biosynthetic pathways of ginsenosides focusing on enzymes responsible for structural diversified ginsenoside biosynthesis. We also emphasized the transcription factors in ginsenoside biosynthesis and non-coding RNAs in the growth of Panax genus plants, and highlighted the current three major biotechnological applications for ginsenosides production. This review covered advances in the past four decades, providing more clues for chemical discrimination and assessment on certain ginseng plants, new perspectives for rational evaluation and utilization of ginseng resource, and potential strategies for production of specific ginsenosides.
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Key Words
- ABA, abscisic acid
- ADP, adenosine diphosphate
- AtCPR (ATR), Arabidopsis thaliana cytochrome P450 reductase
- BARS, baruol synthase
- Biosynthetic pathway
- Biotechnological approach
- CAS, cycloartenol synthase
- CDP, cytidine diphosphate
- CPQ, cucurbitadienol synthase
- CYP, cytochrome P450
- DDS, dammarenediol synthase
- DM, dammarenediol-II
- DMAPP, dimethylallyl diphosphate
- FPP, farnesyl pyrophosphate
- FPPS (FPS), farnesyl diphosphate synthase
- GDP, guanosine diphosphate
- Ginsenoside
- HEJA, 2-hydroxyethyl jasmonate
- HMGR, HMG-CoA reductase
- IPP, isopentenyl diphosphate
- ITS, internal transcribed spacer
- JA, jasmonic acid
- JA-Ile, (+)-7-iso-jasmonoyl-l-isoleucine
- JAR, JA-amino acid synthetase
- JAZ, jasmonate ZIM-domain
- KcMS, Kandelia candel multifunctional triterpene synthases
- LAS, lanosterol synthase
- LUP, lupeol synthase
- MEP, methylerythritol phosphate
- MVA, mevalonate
- MVD, mevalonate diphosphate decarboxylase
- MeJA, methyl jasmonate
- NDP, nucleotide diphosphate
- Non-coding RNAs
- OA, oleanane or oleanic acid
- OAS, oleanolic acid synthase
- OCT, ocotillol
- OSC, oxidosqualene cyclase
- PPD, protopanaxadiol
- PPDS, PPD synthase
- PPT, protopanaxatriol
- PPTS, PPT synthase
- Panax species
- RNAi, RNA interference
- SA, salicylic acid
- SE (SQE), squalene epoxidase
- SPL, squamosa promoter-binding protein-like
- SS (SQS), squalene synthase
- SUS, sucrose synthase
- TDP, thymine diphosphate
- Transcription factors
- UDP, uridine diphosphate
- UGPase, UDP-glucose pyrophosphosphprylase
- UGT, UDP-dependent glycosyltransferase
- WGD, whole genome duplication
- α-AS, α-amyrin synthase
- β-AS, β-amyrin synthase
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Affiliation(s)
- Maoqi Hou
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Rufeng Wang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shujuan Zhao
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhengtao Wang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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15
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Wang D, Zhang Z, Yang L, Tian S, Liu Y. ARPI, β-AS, and UGE regulate glycyrrhizin biosynthesis in Glycyrrhiza uralensis hairy roots. PLANT CELL REPORTS 2021; 40:1285-1296. [PMID: 34002270 DOI: 10.1007/s00299-021-02712-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
ARPI, β-AS, and UGE were cloned from G. uralensis and their regulatory effects on glycyrrhizin biosynthesis were investigated. β-AS and UGE but not ARPI positively regulate the biosynthesis of glycyrrhizin. Glycyrrhiza uralensis Fisch. has been used to treat respiratory, gastric, and liver diseases since ancient China. The most important and widely studied active component in G. uralensis is glycyrrhizin (GC). Our pervious RNA-Seq study shows that GC biosynthesis is regulated by multiple biosynthetic pathways. In this study, three target genes, ARPI, β-AS, and UGE from different pathways were selected and their regulatory effects on GC biosynthesis were investigated using G. uralensis hairy roots. Our data show that hairy roots knocking out ARPI or UGE died soon after induction, indicating that the genes are essential for the growth of G. uralensis hairy roots. Hairy roots with β-AS knocked out grew healthily. However, they failed to produce GC, suggesting that β-AS is required for triterpenoid skeleton formation. Conversely, overexpression of UGE or β-AS significantly increased the GC content, whereas overexpression of ARPI had no obvious effects on GC accumulation in G. uralensis hairy roots. Our findings demonstrate that β-AS and UGE positively regulate the biosynthesis of GC.
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Affiliation(s)
- Doudou Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Yangguang South Street, Fangshan District, Beijing, 102401, China
| | - Zhixin Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Yangguang South Street, Fangshan District, Beijing, 102401, China
| | - Lin Yang
- School of Life Sciences, Beijing University of Chinese Medicine, Yangguang South Street, Fangshan District, Beijing, 102401, China
| | - Shaokai Tian
- School of Life Sciences, Beijing University of Chinese Medicine, Yangguang South Street, Fangshan District, Beijing, 102401, China
| | - Ying Liu
- School of Life Sciences, Beijing University of Chinese Medicine, Yangguang South Street, Fangshan District, Beijing, 102401, China.
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16
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Huang H, Liang J, Tan Q, Ou L, Li X, Zhong C, Huang H, Møller IM, Wu X, Song S. Insights into triterpene synthesis and unsaturated fatty-acid accumulation provided by chromosomal-level genome analysis of Akebia trifoliata subsp. australis. HORTICULTURE RESEARCH 2021; 8:33. [PMID: 33518712 PMCID: PMC7848005 DOI: 10.1038/s41438-020-00458-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 11/16/2020] [Accepted: 11/20/2020] [Indexed: 05/10/2023]
Abstract
Akebia trifoliata subsp. australis is a well-known medicinal and potential woody oil plant in China. The limited genetic information available for A. trifoliata subsp. australis has hindered its exploitation. Here, a high-quality chromosome-level genome sequence of A. trifoliata subsp. australis is reported. The de novo genome assembly of 682.14 Mb was generated with a scaffold N50 of 43.11 Mb. The genome includes 25,598 protein-coding genes, and 71.18% (485.55 Mb) of the assembled sequences were identified as repetitive sequences. An ongoing massive burst of long terminal repeat (LTR) insertions, which occurred ~1.0 million years ago, has contributed a large proportion of LTRs in the genome of A. trifoliata subsp. australis. Phylogenetic analysis shows that A. trifoliata subsp. australis is closely related to Aquilegia coerulea and forms a clade with Papaver somniferum and Nelumbo nucifera, which supports the well-established hypothesis of a close relationship between basal eudicot species. The expansion of UDP-glucoronosyl and UDP-glucosyl transferase gene families and β-amyrin synthase-like genes and the exclusive contraction of terpene synthase gene families may be responsible for the abundant oleanane-type triterpenoids in A. trifoliata subsp. australis. Furthermore, the acyl-ACP desaturase gene family, including 12 stearoyl-acyl-carrier protein desaturase (SAD) genes, has expanded exclusively. A combined transcriptome and fatty-acid analysis of seeds at five developmental stages revealed that homologs of SADs, acyl-lipid desaturase omega fatty acid desaturases (FADs), and oleosins were highly expressed, consistent with the rapid increase in the content of fatty acids, especially unsaturated fatty acids. The genomic sequences of A. trifoliata subsp. australis will be a valuable resource for comparative genomic analyses and molecular breeding.
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Affiliation(s)
- Hui Huang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
- Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Juan Liang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Qi Tan
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Linfeng Ou
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Xiaolin Li
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Science, Beijing, 100700, China
| | - Caihong Zhong
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Huilin Huang
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Ian Max Møller
- Department of Molecular Biology and Genetics, Aarhus University, Flakkebjerg, DK-4200, Slagelse, Denmark
| | - Xianjin Wu
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China
| | - Songquan Song
- Key Laboratory of Research and Utilization of Ethnomedicinal Plant Resources of Hunan Province, College of Biological and Food Engineering, Huaihua University, Huaihua, 418000, China.
- Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
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17
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Yang Y, Wang N, Zhao S. Functional characterization of a WRKY family gene involved in somatic embryogenesis in Panax ginseng. PROTOPLASMA 2020; 257:449-458. [PMID: 31760482 DOI: 10.1007/s00709-019-01455-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
As a perennial herbaceous species, Panax ginseng is widely cultivated and used as traditional herbal medicine. The root of Panax ginseng commonly remains expensive as conventional breeding of Panax ginseng is difficult. Somatic embryogenesis (S.E.) is a useful tool for plant propagation and optimal model for understanding the mechanisms of plant embryogenesis. In Panax ginseng, increasing studies have been widely performed to optimize the technology of S.E., while the underlying mechanism remains unclear. In this paper, we cloned and identified a WRKY family gene named PgWRKY6 which is upregulated in response to 2,4-D (2,4-dichlorophenoxyacetic acid)-induced embryogenic callus development. The silencing of PgWRKY6 obviously reduces the induction rate of embryogenic callus, indicating its crucial role in S.E. of Panax ginseng hairy root. The expressions of several ROS-scavenging genes are also inducible during embryogenic callus development, and the transcriptions of PgGST, PgAPX1, and PgSOD are demonstrated to be regulated by PgWRKY6. Recombinant PgWRKY6, an approximate 40-KDa protein purified from Escherichia coli, shows a specific DNA-binding activity with a potential recognition site of TTGAC(C/T). This work demonstrated that as a conserved WRKY family transcription factor, PgWRKY6 functions upstream of PgGST, PgAPX1, and PgSOD, and potentially mediated auxins -ROS signaling pathway in the process of S.E. in Panax species.
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Affiliation(s)
- Yu Yang
- Shandong Collaborative Innovation Center for Diagnosis, Treatment and Behavioral Interventions, Jining Medical University, No. 133 Hehua Street, Jining, China
- School of Life Sciences, Jilin University, No. 5988, Renmin Street, Nanguan District, Changchun, China
| | - Ni Wang
- Changchun Vocational Institute of Technology, No. 3278 Weixing Street, Changchun, China
| | - Shoujing Zhao
- School of Life Sciences, Jilin University, No. 5988, Renmin Street, Nanguan District, Changchun, China.
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18
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Yin YC, Zhang XD, Gao ZQ, Hu T, Yang L, Zhang ZX, Li WD, Liu Y. Over-expressing root-specific β-amyrin synthase gene increases glycyrrhizic acid content in hairy roots of glycyrrhiza uralensis. CHINESE HERBAL MEDICINES 2019. [DOI: 10.1016/j.chmed.2019.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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19
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Zhang X, Yu Y, Jiang S, Yu H, Xiang Y, Liu D, Qu Y, Cui X, Ge F. Oleanane-Type Saponins Biosynthesis in Panax notoginseng via Transformation of β-Amyrin Synthase Gene from Panax japonicus. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1982-1989. [PMID: 30742432 DOI: 10.1021/acs.jafc.8b07183] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Oleanane-type saponins considered as the main medicinal ingredients in Panax japonicus are not found in Panax notoginseng. β-Amyrin synthase (βAS) was recognized as the first key enzyme in the biosynthetic branch of oleanane-type saponins. In this study, βAS gene from P. japonicus ( PjβAS) was transferred into P. notoginseng cells. Along with PjβAS expression in the transgenic cells, the expression levels of several key enzyme genes related to triterpenoid saponins biosynthesis and the content of P. notoginseng saponins were also increased. Two oleanane-type saponins, chikusetsusaponin IV and chikusetsusaponin IVa, contained in P. japonicus were first discovered in transgenic P. notoginseng cells. This study successfully constructed a biosynthetic pathway of oleanane-type saponins in P. notoginseng by introducing just one gene into the species. On the basis of this discovery and previous studies, the common biosynthetic pathway of triterpenoid saponins in Panax genus may be unified to some extent.
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Affiliation(s)
- Xiang Zhang
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
| | - Yilin Yu
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
| | - Sen Jiang
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
| | - Hong Yu
- School of Life Science , Yunnan University , Kunming 650500 , China
| | - Yingying Xiang
- Department of Stomatology , Yan'an Hospital Affiliated to Kunming Medical University , Kunming 650031 , China
| | - Diqiu Liu
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
- Yunnan Key Laboratory of Panax notoginseng , Kunming University of Science and Technology , Kunming 650500 , China
| | - Yuan Qu
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
- Yunnan Key Laboratory of Panax notoginseng , Kunming University of Science and Technology , Kunming 650500 , China
| | - Xiuming Cui
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
- Yunnan Key Laboratory of Panax notoginseng , Kunming University of Science and Technology , Kunming 650500 , China
| | - Feng Ge
- Faculty of Life Science and Technology , Kunming University of Science and Technology , Kunming 650500 , China
- Yunnan Key Laboratory of Panax notoginseng , Kunming University of Science and Technology , Kunming 650500 , China
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20
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Lu C, Zhang C, Zhao F, Li D, Lu W. Biosynthesis of ursolic acid and oleanolic acid inSaccharomyces cerevisiae. AIChE J 2018. [DOI: 10.1002/aic.16370] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Chunzhe Lu
- Dept. of Biological Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin 300072 China
| | - Chuanbo Zhang
- Dept. of Biological Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin 300072 China
| | - Fanglong Zhao
- Dept. of Biological Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin 300072 China
| | - Dashuai Li
- Dept. of Biological Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin 300072 China
| | - Wenyu Lu
- Dept. of Biological Engineering; School of Chemical Engineering and Technology, Tianjin University; Tianjin 300072 China
- Key Laboratory of system bioengineering (Tianjin University), Ministry of Education; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300072 China
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21
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Lu J, Li J, Wang S, Yao L, Liang W, Wang J, Gao W. Advances in ginsenoside biosynthesis and metabolic regulation. Biotechnol Appl Biochem 2018; 65:514-522. [DOI: 10.1002/bab.1649] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 01/24/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Jun Lu
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency; School of Pharmaceutical Science and Technology; Tianjin University; Tianjin People's Republic of China
- Key Laboratory of Systems Bioengineering; Ministry of Education; Tianjin University; Tianjin People's Republic of China
| | - Jinxin Li
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency; School of Pharmaceutical Science and Technology; Tianjin University; Tianjin People's Republic of China
- Key Laboratory of Systems Bioengineering; Ministry of Education; Tianjin University; Tianjin People's Republic of China
| | - Shihui Wang
- Key Laboratory of Industrial Fermentation Microbiology; Ministry of Education; Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Lu Yao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency; School of Pharmaceutical Science and Technology; Tianjin University; Tianjin People's Republic of China
- Key Laboratory of Systems Bioengineering; Ministry of Education; Tianjin University; Tianjin People's Republic of China
| | - Wenxia Liang
- Key Laboratory of Industrial Fermentation Microbiology; Ministry of Education; Tianjin University of Science and Technology; Tianjin People's Republic of China
| | - Juan Wang
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency; School of Pharmaceutical Science and Technology; Tianjin University; Tianjin People's Republic of China
- Key Laboratory of Systems Bioengineering; Ministry of Education; Tianjin University; Tianjin People's Republic of China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery and High Efficiency; School of Pharmaceutical Science and Technology; Tianjin University; Tianjin People's Republic of China
- Key Laboratory of Systems Bioengineering; Ministry of Education; Tianjin University; Tianjin People's Republic of China
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22
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Improving the accumulation of 18 α -and 18 β -glycyrrhizins by over-expressing GuHMGR , GuSQS 1, and GuBAS genes in Glycyrrhiza uralensis. JOURNAL OF TRADITIONAL CHINESE MEDICAL SCIENCES 2017. [DOI: 10.1016/j.jtcms.2017.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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23
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Lu C, Zhao S, Wei G, Zhao H, Qu Q. Functional regulation of ginsenoside biosynthesis by RNA interferences of a UDP-glycosyltransferase gene in Panax ginseng and Panax quinquefolius. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2017; 111:67-76. [PMID: 27914321 DOI: 10.1016/j.plaphy.2016.11.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Revised: 11/18/2016] [Accepted: 11/22/2016] [Indexed: 05/27/2023]
Abstract
Panax ginseng (Asian ginseng) and Panax quinquefolius (American ginseng) have been used as medicinal and functional herbal remedies worldwide. Different properties of P. ginseng and P. quinquefolius were confirmed not only in clinical findings, but also at cellular and molecular levels. The major pharmacological ingredients of P. ginseng and P. quinquefolius are the triterpene saponins known as ginsenosides. The P. ginseng roots contain a higher ratio of ginsenoside Rg1:Rb1 than that in P. quinquefolius. In ginseng plants, various ginsenosides are synthesized via three key reactions: cyclization, hydroxylation and glycosylation. To date, several genes including dammarenediol synthase (DS), protopanaxadiol synthase and protopanaxatriol synthase have been isolated in P. ginseng and P. quinquefolius. Although some glycosyltransferase genes have been isolated and identified association with ginsenoside synthesis in P. ginseng, little is known about the glycosylation mechanism in P. quinquefolius. In this paper, we cloned and identified a UDP-glycosyltransferase gene named Pq3-O-UGT2 from P. quinquefolius (GenBank accession No. KR106207). In vitro enzymatic activity experiments biochemically confirmed that Pq3-O-UGT2 catalyzed the glycosylation of Rh2 and F2 to produce Rg3 and Rd, and the chemical structure of the products were confirmed susing high performance liquid chromatography electrospray ionization mass spectrometry (HPLC/ESI-MS). High sequence similarity between Pq3-O-UGT2 and PgUGT94Q2 indicated a close evolutionary relationship between P. ginseng and P. quinquefolius. Moreover, we established both P. ginseng and P. quinquefolius RNAi transgenic roots lines. RNA interference of Pq3-O-UGT2 and PgUGT94Q2 led to reduce levels of ginsenoside Rd, protopanaxadiol-type and total ginsenosides. Expression of key genes including protopanaxadiol and protopanaxatriol synthases was up-regulated in RNAi lines, while expression of dammarenediol synthase gene was not obviously increased. These results revealed that P. quinquefolius was more sensitive to the RNAi of Pq3-O-UGT2 and PgUGT94Q2 when compared with P. ginseng.
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Affiliation(s)
- Chao Lu
- School of Biological and Agricultural Engineering, Jilin University, No.5988, Renmin Street, Nanguan District, Changchun, PR China
| | - Shoujing Zhao
- School of Biological and Agricultural Engineering, Jilin University, No.5988, Renmin Street, Nanguan District, Changchun, PR China; College of Life Sciences, Jilin University, No.2699, Qianjin Street, Chaoyang District, Changchun, PR China.
| | - Guanning Wei
- College of Life Sciences, Jilin University, No.2699, Qianjin Street, Chaoyang District, Changchun, PR China
| | - Huijuan Zhao
- School of Biological and Agricultural Engineering, Jilin University, No.5988, Renmin Street, Nanguan District, Changchun, PR China
| | - Qingling Qu
- School of Biological and Agricultural Engineering, Jilin University, No.5988, Renmin Street, Nanguan District, Changchun, PR China
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24
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Zhang S, Wu Y, Jin J, Hu B, Zeng W, Zhu W, Zheng Y, Chen P. De novo characterization of Panax japonicus C. A. Mey transcriptome and genes related to triterpenoid saponin biosynthesis. Biochem Biophys Res Commun 2015; 466:450-5. [PMID: 26365354 DOI: 10.1016/j.bbrc.2015.09.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 09/08/2015] [Indexed: 11/26/2022]
Abstract
Panax japonicus C.A.Mey, the traditional medicinal herb in the Araliaceae family, has been used as a tonic, anti-inflammatory and haemostatic agent in China for more than thousand years. Its clinical effects are mainly due to the presence of triterpenoid saponins. However, little is known at the genetic level about how saponins are biosynthesized in this plant. We have therefore performed the de novo transcriptome assembly and high throughput RNA-seq analysis for P. japonicus. 66,403 unigenes were assembled from 19.6 Gbp raw data, and 34,639 unigenes were annotated. After annotation, 29 unigenes involved in putative backbone biosynthesis of triterpenoid saponin were selected. Additionally, 34 Cytochrome P450 and 18 UDP-glycosyltransferase unigenes were predicted based on the annotation, which were related to the saponin backbone modification. The expression level of related key genes were further verified by qPCR analysis. The results of this study provide the most comprehensive expressed sequence resources for P. japonicus, which will enlarge the available P. japonicus gene pool and facilitate further genome-wide research and analyses in this species.
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Affiliation(s)
- Shaopeng Zhang
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Yayun Wu
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Jian Jin
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Bingxiong Hu
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Wanyong Zeng
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Wenjun Zhu
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China
| | - Yonglian Zheng
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China.
| | - Ping Chen
- School of Biology & Pharmacy Engineering, Wuhan Polytechnic University, Wuhan, 430023, PR China.
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