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Zou Y, Li X, Xin X, Xu H, Zhao G. Microbial-Driven Synthesis and Hydrolysis of Neohesperidin Dihydrochalcone: Biotransformation Process and Feasibility Investigation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:4246-4256. [PMID: 38317352 DOI: 10.1021/acs.jafc.3c08339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
A novel yeast-mediated hydrogenation was developed for the synthesis of neohesperidin dihydrochalcone (NHDC) in high yields (over 83%). Moreover, whole-cell catalytic hydrolysis was also designed to hydrolyze NHDC into potential sweeteners, hesperetin dihydrochalcone-7-O-glucoside (HDC-G) and hesperetin dihydrochalcone (HDC). The biohydrogenation was further combined with whole-cell hydrolysis to achieve a one-pot two-step biosynthesis, utilizing yeast to hydrogenate C═C in the structure, while Aspergillus niger cells hydrolyze glycosides. The conversion of NHDC and the proportion of hydrolysis products could be controlled by adjusting the catalysts, the components of the reaction system, and the addition of glucose. Furthermore, yeast-mediated biotransformation demonstrated superior reaction stability and enhanced safety and employed more cost-effective catalysts compared to the traditional chemical hydrogenation of NHDC synthesis. This research not only provides a new route for NHDC production but also offers a safe and flexible one-pot cascade biosynthetic platform for the production of high-value compounds from citrus processing wastes.
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Affiliation(s)
- Yucong Zou
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong 510640, China
| | - Xiaofeng Li
- School of Food Science and Engineering, South China University of Technology, Wushan Road 381, Guangzhou, Guangdong 510640, China
| | - Xuan Xin
- College of Light Industry and Food Technology, Zhongkai University of Agriculture and Engineering, Dongsha Street 24, Guangzhou, Guangdong 510225, China
| | - Haixia Xu
- Jiangxi Key Laboratory National Products and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang, Jiangxi 3300045, China
| | - Guanglei Zhao
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong 510641, China
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Zhang D, Qiao W, Zhao Y, Fang H, Xu D, Xia Q. Curdione attenuates thrombin-induced human platelet activation: β1-tubulin as a potential therapeutic target. Fitoterapia 2016; 116:106-115. [PMID: 27915054 DOI: 10.1016/j.fitote.2016.11.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 11/23/2016] [Accepted: 11/26/2016] [Indexed: 01/09/2023]
Abstract
Rhizoma Curcumae, the dry rhizomes derived from Curcuma aromatica Salisb., are a classical Chinese medicinal herb used to activate blood circulation, remove blood stasis and alleviate pain. Our previous study proved that curdione, a sesquiterpene compound isolated from the essential oil of Curcuma aromatica Salisb. can inhibit platelet activation suggesting its significant anticoagulant and antithrombotic effects. However, the underlying mechanism of curdione mediated anti-platelet effect has not been fully elucidated. Platelet proteins extracted from washed human platelets, including normal group (treated with normal saline), thrombin group and curdione group were digested and analysed by nano ESI-LC-MS/MS. UniProt database and SIEVE software were employed to identify and reveal the differentially expressed proteins. Furthermore, possible mechanisms involved were explored by Ingenuity Pathway Analysis (IPA) Software and validated by western blot experiments. Twenty-two differentially expressed proteins between the normal and thrombin group were identified. Compared with the thrombin group, the curdione treatment was significantly down-regulated only 2 proteins (Talin1 and β1-tubulin). Bioinformatics analysis showed that Talin1 and β1-tubulin could be involved in the integrin signal pathway. The results of western blot analysis were consistent with that of the proteomics data. Vinculin, identified in IPA database was involved in the formation of cell cytoskeletal. The down-regulation of β1-tubulin facilitated the decrease in vinculin/Talin1. Curdione regulated the expression of vinculin and Talin1 by β1-tubulin affecting the integrin signalling pathway and eventually inhibiting platelet activation. The β1-tubulin may be a potential target of curdione, which attenuates thrombin-induced human platelet activation.
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Affiliation(s)
- Dongling Zhang
- College of Pharmacy, Anhui Medical University, Hefei, PR China
| | - Wenhao Qiao
- College of Pharmacy, Anhui Medical University, Hefei, PR China
| | - Yingli Zhao
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, PR China
| | - Hui Fang
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, PR China
| | - Dujuan Xu
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, PR China
| | - Quan Xia
- College of Pharmacy, Anhui Medical University, Hefei, PR China; Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, PR China.
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Qin B, Li Y, Meng L, Ouyang J, Jin D, Wu L, Zhang X, Jia X, You S. "Mirror-image" manipulation of curdione stereoisomer scaffolds by chemical and biological approaches: development of a sesquiterpenoid library. JOURNAL OF NATURAL PRODUCTS 2015; 78:272-278. [PMID: 25679443 DOI: 10.1021/np500864e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The sesquiterpenoid curdione is one of the main bioactive components in the essential oil of Rhizoma Curcumae (Curcuma wenyujin, Curcuma phaeocaulis, and Curcuma kwangsiensis), which has been clinically used for the treatment of cancer in mainland China. Recently it was reported that natural curdione could be hydroxylated by Aspergillus niger and transferred to its corresponding curcumalactones under acidic conditions. Based on this study, the development of a sesquiterpenoid library through the "mirror-image" manipulation of bioactive (non)natural curdione scaffolds by chemical and biological approaches is presented herein. A. niger induced the hydroxylation of two pairs of curdione enantiomers, yielding the corresponding mirror-image hydroxylated curdiones. Simultaneously, the acid-mediated intramolecular "ene" rearrangements of these curdiones and hydroxylated curdione enantiomers yielded the corresponding mirror-image curcumalactones and hydroxylated curcumalactones. Among the 16 pairs of enantiomers obtained in this study, 23 compounds are new sesquiterpenoids. These curdione and curcumalactone derivatives are of particular interest, as they have the potential to be used as lead compounds and scaffolds in drug discovery.
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Affiliation(s)
- Bin Qin
- School of Life Science and Biopharmaceutical Sciences and ‡School of Pharmaceutical Engineering, Shenyang Pharmaceutical University , Shenyang 110016, People's Republic of China
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Lv X, Liu D, Hou J, Dong P, Zhan L, Wang L, Deng S, Wang C, Yao J, Shu X, Liu K, Ma X. Biotransformation of imperatorin by Penicillium janthinellum. Anti-osteoporosis activities of its metabolites. Food Chem 2013; 138:2260-6. [DOI: 10.1016/j.foodchem.2012.11.138] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2012] [Revised: 11/26/2012] [Accepted: 11/28/2012] [Indexed: 11/24/2022]
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Yang X, Hou J, Liu D, Deng S, Wang ZB, Kuang HX, Wang C, Yao JH, Liu KX, Ma XC. Biotransformation of isoimperatorin by Cunninghamella blakesleana AS 3.970. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcatb.2012.11.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Microbial transformation of the sesquiterpene lactone tagitinin C by the fungus Aspergillus terreus. ACTA ACUST UNITED AC 2012; 39:1719-24. [DOI: 10.1007/s10295-012-1165-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Accepted: 06/16/2012] [Indexed: 10/28/2022]
Abstract
Abstract
The biotransformation of the sesquiterpene lactone tagitinin C by the fungus Aspergillus terreus MT 5.3 yielded a rare derivative that was elucidated by spectrometric methods. The fungus led to the formation of a different product through an unusual epoxidation reaction between C4 and C5, formation of a C3,C10 ether bridge, and a methoxylation of the C1 of tagitinin C. The chemical structure of the product, namely 1β-methoxy-3α-hydroxy-3,10β-4,5α-diepoxy-8β-isobutyroyloxygermacr-11(13)-en-6α,12-olide, is the same as that of a derivative that was recently isolated from the flowers of a Brazilian population of Mexican sunflower (Tithonia diversifolia), which is the source of the substrate tagitinin C. The in vitro cytotoxic activity of the substrate and the biotransformed product were evaluated in HL-60 cells using an MTT assay, and both compounds were found to be cytotoxic. We show that soil fungi may be useful in the biotransformation of sesquiterpene lactones, thereby leading to unusual changes in their chemical structures that may preserve or alter their biological activities, and may also mimic plant biosynthetic pathways for production of secondary metabolites.
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Zhou L, Xu W, Chen Y, Zhao J, Yu N, Fu B, You S. Stereoselective epoxidation of curcumol and curdione by Cunninghamella elegans AS 3.2028. CATAL COMMUN 2012. [DOI: 10.1016/j.catcom.2012.08.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Microbial transformation of deoxyandrographolide and their inhibitory activity on LPS-induced NO production in RAW 264.7 macrophages. Bioorg Med Chem Lett 2012; 22:1615-8. [PMID: 22264489 DOI: 10.1016/j.bmcl.2011.12.122] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Revised: 12/23/2011] [Accepted: 12/27/2011] [Indexed: 11/23/2022]
Abstract
A series of analogues of deoxyandrographolide (1) transformed by Cunninghamella blakesleana AS 3.2004 were isolated and identified by spectral methods including 2D NMR. Among them, 3-oxo-17,19-dihydroxy-7,13-ent-labdadien-15,16-olide (9), 3-oxo-19-hydroxy-1,13-ent-labdadien-15,16-olide (16), 3-oxo-1β-hydroxy-14-deoxy-andrographolide (17) and 3-oxo-2β-hydroxy-14-deoxyandrographolide (18) are new compounds. And their structure-activity relationships (SAR) of inhibitory activity on LPS-induced NO production in RAW 264.7 macrophage cells were also discussed.
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Xin XL, Su DH, Sa D, Tian Y, Zhang BJ, Ma XC, An L, Huang SS, Yao JH, Cui X. Novel microbial transformation of resibufogenin by Fusarium solani. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2011; 13:831-837. [PMID: 21830888 DOI: 10.1080/10286020.2011.597385] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In this paper, microbial transformation of resibufogenin by Fusarium solani AS 3.1829 was investigated, and five transformed products were isolated and identified as 3-ketone-resibufogenin (2), 3-one-cyclic 3-(1,2-dimethyl-1,2-ethanediylacetal)-resibufogenin (3), 3-dimethoxyl-resibufogenin (4), 3-epi-resibufogenin (5), and 3-epi-15α-hydroxy-7βH-bufalin (6), respectively. Among them, 3, 4, and 6 are new compounds, and the rare double oxidization of C-3 was reported. In addition, the cytotoxicities of transformed products were also investigated.
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Affiliation(s)
- Xiu-Lan Xin
- Biotechnology Application Center, Beijing Vocational College of Electronic Science and Technology, Beijing 100029, China
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Xin XL, Deng S, Zhang BJ, Huang SS, Tian Y, Ma XC, An L, Shu XH, Yao JH, Cui X. Microbial Transformation of Deoxyandrographolide by Alternaria Alternata AS 3.4578. Nat Prod Commun 2011. [DOI: 10.1177/1934578x1100600609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Biotransformation of deoxyandrographolide (1) by Alternaria alternata AS 3.4578 gave five derivatives identified by spectral methods including 2D NMR as the known dehydroandrographolide (2) and 9β-hydroxy-dehydroandrographolide (3) and the new compounds 9β-hydroxy-deoxyandrographolide (4), 3α,17,19-trihydroxy-8,13-ent-labdadien-15,16-olide (5) and 3-oxo-9β-hydroxy-deoxyandrographolide (6).
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Affiliation(s)
- Xiu-Lan Xin
- Biotechnology Application Center, Beijing Vocational College of Electronic Science and Technology, Beijing 100029, China
| | - Sha Deng
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Bao-Jing Zhang
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Shan-shan Huang
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Yan Tian
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Xiao-Chi Ma
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Lei An
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Xiao-hong Shu
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Ji-Hong Yao
- School of Pharmaceutical Sciences, Dalian Medical University, Dalian 116027, China
| | - Xun Cui
- Department of Qriental pharmacy, Woosuk University, Wanju-gun, Jeonbuk 565-701, Korea
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Xin XL, Cui X, Wang C, Zhang BJ, Ma XC, Huang SS, Deng S, Tian Y, Zhang HL, Yang MH. Microbial transformation of deoxyandrographolide by Fusarium graminearum AS 3.4598. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2011; 13:350-355. [PMID: 21462039 DOI: 10.1080/10286020.2011.558009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Biotransformation of deoxyandrographolide (1) by Fusarium graminearum AS 3.4598 was investigated in this paper. And five transformed products of 1 by F. graminearum AS 3.4598 were obtained. Their chemical structures were characterized as 3-oxo-8α,17β-epoxy-14-deoxyandrographolide (2), 3-oxo-14-deoxyandrographolide (3), 3-oxo-17,19-dihydroxyl-8,13-ent-labdadien-15,16-olide (4), 1β-hydroxyl-14-deoxyandrographolide (5), and 7β-hydroxyl-14-deoxyandrographolide (6) by spectral methods including 2D NMR. Among them, products 2, 4, and 5 are new.
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Affiliation(s)
- Xiu-Lan Xin
- Biotechnology Application Center, Beijing Vocational College of Electronic Science and Technology, Beijing, China
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Bhatti HN, Zubair M, Rasool N, Hassan Z, Ahmad VU. Microbial Transformation of Sesquiterpenoids. Nat Prod Commun 2009. [DOI: 10.1177/1934578x0900400828] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Biotransformations are useful methods for producing medicinal and agricultural chemicals from both active and inactive natural products with the introduction of chemical functions into remote sites of the molecules. Research on microbial biotransformations of commonly available sesquiterpenoids into more valuable derivatives has always been of interest because of their economical potential to the perfume, food, chemical and pharmaceutical industries. Fungal transformations of sesquiterpenoids have been less frequently studied compared with many other natural products. In recent years, however, much attention has been given to the exploitation of new products with enhanced biological activity using microorganisms. This review, covering the period from 1990 to 2006, summarizes our knowledge of the biotransformations of sesquiterpenoids by various fungi. Such transformations could lead to the discovery of new reaction pathways that might be useful in the design of new value-added products.
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Affiliation(s)
- Haq N Bhatti
- Department of Chemistry & Biochemistry, University of Agriculture, Faisalabad-38040, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Nasir Rasool
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Zahid Hassan
- H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Viqar U Ahmad
- H.E.J. Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Karachi-75270, Pakistan
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Xin XL, Su DH, Wang XJ, Yuan QP. Microbial transformation of dehydroandrographolide by Cunninghamella echinulata. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2009.02.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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16
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Xin XL, Ma XC, Zhang BJ, Su DH, Wu ZM, Wang XJ, Li XY, Yuan QP. Microbial transformation of dehydroandrographolide by Cunninghamella elegans. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2009; 11:187-191. [PMID: 19219734 DOI: 10.1080/10286020802619280] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The biotransformation of dehydroandrographolide (1) by Cunninghamella elegans was performed and four transformed products were obtained. Based on their extensive spectral data, the structures of these metabolites were identified as 3-oxo-dehydroandrographolide (2), 3-oxo-2beta-hydroxy-dehydroandrographolide (3), 3-oxo-8beta,17alpha-epoxydehydroandrographolide (4), 3,19-dihydroxy-7,11,13-ent-labdatrien-15,16-olide (5), respectively. Among them, products 3-5 are new compounds.
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Affiliation(s)
- Xiu-Lan Xin
- Key Laboratory of Bioprocess of Beijing, Beijing University of Chemical Technology, Beijing, China
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Xin XL, Ma XC, Liu KX, Han J, Wang BR, Guo DA. Microbial transformation of alantolactone by Mucor polymorphosporus. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2008; 10:933-937. [PMID: 19003611 DOI: 10.1080/10286020802240301] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Two new transformed sesquiterpenes of alantolactone by Mucor polymorphosporus were obtained. They were characterized as 3beta-hydroxy-11betaH-eudesm-5-en-8beta,12-olide (2) and 3beta,11alpha-dihydroxy-eudesm-5-en-8beta,12-olide (3), on the basis of spectral methods including 2D NMR. And product 3 was an unusual hydroxylation derivative of alantolactone at C-11.
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Affiliation(s)
- Xiu-Lan Xin
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
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Chen GT, Yang M, Tao SJ, Lu ZQ, Zhang JQ, Huang HL, Wu LJ, Guo DA. Comparative Analysis of Microbial and Rat Metabolism of the Total Saponins from Panax notoginseng by HPLC-ESI-MS/MS. Nat Prod Commun 2008. [DOI: 10.1177/1934578x0800300502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The total saponins extracted from the roots of Panax notoginseng have been regarded as the principal components manifesting the pharmacological activities of the drug. In order to compare the similarities and differences of microbial and mammalian metabolism of PNS, liquid chromatography coupled with mass spectrometry and tandem mass spectrometry has been applied to investigate the constituents and metabolites of the microbial transformations by three fungi Absidia coerulea, Acremonium strictum, and Curvularia lunata, and metabolism in rats. A total of thirty-seven peaks were detected and thirty-one peaks were identified by comparing the retention times and MS spectra with those of reference compounds and literature data. Twenty-eight peaks were found both in microbial and rat metabolism samples of PNS. Their structures were identified by comparison of the retention times and MS spectra with those of reference compounds. A number of isomers were identified after the metabolism.
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Affiliation(s)
- Guang-tong Chen
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wen Hua Road, Shenyang 110016, Liaoning, P. R. China
| | - Min Yang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
| | - Si-jia Tao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
| | - Zhi-qiang Lu
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
| | - Jin-qiang Zhang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
| | - Hui-lian Huang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
| | - Li-jun Wu
- College of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 103 Wen Hua Road, Shenyang 110016, Liaoning, P. R. China
| | - De-an Guo
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 199 Guo Shoujing Road, Zhangjiang, Shanghai 201203, P. R. China
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Functional group-mediated biotransformation by Curvularia lunata NRRL 2178: synthesis of 3-dehydro-2-deoxy-ecdysteroids from the 3-hydroxy-2-mesyloxy analogues. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.01.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Jia N, Xiao Chi M, Xiu Lan X, Hong Wei J, Dean G. Structural determination of two new sesquiterpenes biotransformed from germacrone by Mucor alternata. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2008; 46:178-181. [PMID: 18098168 DOI: 10.1002/mrc.2148] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Eight transformed sesquiterpenes of germacrone by Mucor alternata were obtained. Their structures were characterized on the basis of spectral methods including 2D NMR. Among them, (1S, 4S, 5S, 10R)-isozedoarondiol (2) and (1R, 4S, 5S, 10R)-diepoxy-12-hydroxygermacrone (3) are new compounds.
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Affiliation(s)
- Niu Jia
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100083, P. R. China
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Microbial transformation of ginsenoside Rb1 by Acremonium strictum. Appl Microbiol Biotechnol 2008; 77:1345-50. [DOI: 10.1007/s00253-007-1258-4] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2007] [Revised: 10/24/2007] [Accepted: 10/25/2007] [Indexed: 11/25/2022]
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22
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Ma XC, Cui J, Zheng J, Guo DA. Microbial transformation of three bufadienolides by Penicillium aurantigriseum and its application for metabolite identification in rat. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.molcatb.2007.06.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ma XC, Zheng J, Guo DA. Highly selective isomerization and dehydrogenation of three major bufadienolides at 3-OH by Fusarium solani. Enzyme Microb Technol 2007. [DOI: 10.1016/j.enzmictec.2006.11.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Microbial transformation of dehydrocostuslactone and costunolide by Mucor polymorphosporus and Aspergillus candidus. Enzyme Microb Technol 2007. [DOI: 10.1016/j.enzmictec.2006.07.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ma XC, Zheng J, Wu LJ, Guo DA. Structural determination of three new germacrane-type sesquiterpene alcohols from curdione by microbial transformation. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2007; 45:90-2. [PMID: 17103486 DOI: 10.1002/mrc.1922] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Five germacrane-type sesquiterpene alcohols obtained from curdione (1) by microbial biotransformation were isolated. Their structures were characterized as (2R)-2beta-hydroxycurdione (2), 1alpha, 10beta-epoxy-11-hydroxycurdione (3), (2S)-2alpha, 11-dihydroxycurdione (4), 11,15-dihydroxycurdione (5) and (3R)-3alpha-hydroxycurdione (6) based on the extensive NMR studies. Among them, 4, 5 and 6 are new compounds.
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Affiliation(s)
- Xiao-chi Ma
- The State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xueyuan Road #38, Beijing 100083, P.R. China
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