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Chen S, Li J, Wang M, Liu Y, Li T, Yin X, Xie T, Chen R. Identification and characterization of a novel sativene synthase from Fischerella thermalis. Protein Expr Purif 2023; 212:106359. [PMID: 37625736 DOI: 10.1016/j.pep.2023.106359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/17/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Sesquiterpene synthases (TPS) determine the structural diversity of terpenoids, which are species specific. In this study, we report a TPS from Fischerella thermalis (named as FtTPS), recombinantly expressed as a soluble protein in Escherichia coli BL21(DE3) strain. The FtTPS protein could catalyze the conversion of farnesyl pyrophosphate (FPP) to sativene, a kind of tricyclic sesquiterpene. The optimal pH and temperature of FtTPS were 7.5 and 30 °C, respectively. The KM and Vmax values of FtTPS for FPP were 1.846 μM and 0.372 μM/min, respectively. By constructing an engineered E. coli strain carrying the FtTPS and the heterologous mevalonate (MVA) pathway genes, sativene could be detected and its yield reached 24 mg/L after 96 h cultivation. The highest yield of sativene was obtained when E.coli BL21 Star was used as the host with SBMSN medium. These results exhibited the biosynthesis of sativene for the first time.
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Affiliation(s)
- Shu Chen
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China
| | - Jia Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Sciences, Hubei University, Hubei, 430062, China
| | - Ming Wang
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China
| | - Yuheng Liu
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China
| | - Tangli Li
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China
| | - Xiaopu Yin
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China
| | - Tian Xie
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China.
| | - Rong Chen
- Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province, School of Pharmacy, Hangzhou Normal University, Hangzhou, 310000, China; School of Public Health, Hangzhou Normal University, Hangzhou, 310000, China.
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Pfütze S, Khamsim A, Surup F, Decock C, Matasyoh JC, Stadler M. Heimionones A-E, New Sesquiterpenoids Produced by Heimiomyces sp., a Basidiomycete Collected in Africa. Molecules 2023; 28:molecules28093723. [PMID: 37175133 PMCID: PMC10179880 DOI: 10.3390/molecules28093723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
With heimionones A-E (1-5), five new terpenoids were isolated from submerged cultures of Heimiomyces sp. in addition to the previously described compounds hispidin, hypholomin B, and heimiomycins A and B. Planar structures of the metabolites were elucidated by 1D and 2D NMR in addition to HRESIMS data. While ROESY data assigned relative configurations, absolute configurations were determined by the synthesis of MTPA esters of 1, 3, and 5. The [6.3.0] undecane core structure of compounds 3-5 is of the asteriscane-type, however, the scaffold of 1 and 2 with their bicyclo [5.3.0] decane core and germinal methyl substitution is, to our knowledge, unprecedented. Together with several new compounds that were previously isolated from solid cultures of this strain, Heimiomyces sp. showed an exceptionally high chemical diversity of its secondary metabolite profile.
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Affiliation(s)
- Sebastian Pfütze
- Department of Microbial Drugs, Helmholtz Center for Infection Research (HZI), German Center for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Atchara Khamsim
- Department of Microbial Drugs, Helmholtz Center for Infection Research (HZI), German Center for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Frank Surup
- Department of Microbial Drugs, Helmholtz Center for Infection Research (HZI), German Center for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
| | - Cony Decock
- Earth and Life Institute, Mycothéque de l' Universite Catholique de Louvain (BCCM/MUCL), Place Croix du Sud 3, B-1348 Louvain-la-Neuve, Belgium
| | - Josphat C Matasyoh
- Department of Chemistry, Egerton University, P.O. Box 536, Njoro 20115, Kenya
| | - Marc Stadler
- Department of Microbial Drugs, Helmholtz Center for Infection Research (HZI), German Center for Infection Research (DZIF), Partner Site Hannover/Braunschweig, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Microbiology, Technische Universität Braunschweig, Spielmannstraße 7, 38106 Braunschweig, Germany
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ZHANG YJ, BAI M, LI JY, QIN SY, LIU YY, HUANG XX, ZHENG J, SONG SJ. Diverse sesquiterpenoids from Litsea lancilimba Merr. with potential neuroprotective effects against H2O2-induced SH-SY5Y cell injury. Chin J Nat Med 2022; 20:701-711. [DOI: 10.1016/s1875-5364(22)60199-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 11/26/2022]
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Ahmed M, Khan KUR, Ahmad S, Aati HY, Ovatlarnporn C, Rehman MSU, Javed T, Khursheed A, Ghalloo BA, Dilshad R, Anwar M. Comprehensive Phytochemical Profiling, Biological Activities, and Molecular Docking Studies of Pleurospermum candollei: An Insight into Potential for Natural Products Development. Molecules 2022; 27:molecules27134113. [PMID: 35807359 PMCID: PMC9268725 DOI: 10.3390/molecules27134113] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 02/04/2023] Open
Abstract
The purpose of this study was to find the biological propensities of the vegetable plant Pleurospermum candollei by investigating its phytochemical profile and biological activities. Phytochemical analysis was done by spectroscopic methods to investigate the amount of total polyphenols, and biological evaluation was done by the different antioxidant, enzyme inhibitory (tyrosinase, α-amylase, and α-glucosidase), thrombolytic, and antibacterial activities. The highest amount of total phenolic and flavonoid contents was observed in methanolic extract (240.69 ± 2.94 mg GAE/g and 167.59 ± 3.47 mg QE/g); the fractions showed comparatively less quantity (57.02 ± 1.31 to 144.02 ± 2.11 mg GAE/g, and 48.21 ± 0.75 to 96.58 ± 2.30 mg QE/g). The effect of these bioactive contents was also related to biological activities. GCMS analysis led to the identification of bioactive compounds with different biological effects from methanolic extract (antioxidant; 55.07%, antimicrobial; 56.41%), while the identified compounds from the n-hexane fraction with antioxidant properties constituted 67.86%, and those with antimicrobial effects constituted 82.95%; however, the synergetic effect of polyphenols may also have contributed to the highest value of biological activities of methanolic extract. Molecular docking was also performed to understand the relationship of identified secondary metabolites with enzyme-inhibitory activities. The thrombolytic activity was also significant (40.18 ± 1.80 to 57.15 ± 1.10 % clot lysis) in comparison with streptokinase (78.5 ± 1.53 to 82.34 ± 1.25% clot lysis). Methanolic extract also showed good activity against Gram-positive strains of bacteria, and the highest activity was observed against Bacillus subtilis. The findings of this study will improve our knowledge of phytochemistry, and biological activities of P. candollei, which seems to be a ray of hope to design formulations of natural products for the improvement of health and prevention of chronic diseases; however, further research may address the development of novel drugs for use in pharmaceuticals.
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Affiliation(s)
- Maqsood Ahmed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
| | - Kashif-ur-Rehman Khan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
- Correspondence: (K.-u.-R.K.); (H.Y.A.)
| | - Saeed Ahmad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
| | - Hanan Y. Aati
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11495, Saudi Arabia
- Correspondence: (K.-u.-R.K.); (H.Y.A.)
| | - Chitchamai Ovatlarnporn
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai 90110, Thailand;
| | - Muhammad Sajid-ur Rehman
- Department of Pharmacognosy, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan;
| | - Tariq Javed
- Lahore Pharmacy College (LMDC), Lahore 53400, Pakistan;
| | - Anjum Khursheed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
| | - Bilal Ahmad Ghalloo
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
| | - Rizwana Dilshad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
| | - Maryam Anwar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; (M.A.); (S.A.); (A.K.); (B.A.G.); (R.D.); (M.A.)
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Shu HZ, Peng C, Bu L, Guo L, Liu F, Xiong L. Bisabolane-type sesquiterpenoids: Structural diversity and biological activity. PHYTOCHEMISTRY 2021; 192:112927. [PMID: 34492546 DOI: 10.1016/j.phytochem.2021.112927] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/10/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
Bisabolane-type sesquiterpenoids, a class of monocyclic sesquiterpenoids, are widely distributed in nature and have a variety of biological activities. To provide a reference for the further research and development of these compounds, the phytochemical and biological properties of natural bisabolane-type sesquiterpenoids (356 compounds in total) isolated between 1985 and 2020 from 24 families, primarily Compositae, Zingiberaceae, Aspergillaceae, Halichondriidae, and Aplysiidae were reviewed. In vitro and in vivo studies have indicated that antibacterial, anti-inflammatory, and cytotoxic effects are the most commonly reported pharmacological properties of bisabolane-type sesquiterpenoids. Owing to their extensive significant effects, a lot of traditional medicines containing this type of compounds have been used for a long history. Thus, bisabolane-type sesquiterpenoids are a rich source of important natural products, which show great potential for the development of new drugs.
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Affiliation(s)
- Hong-Zhen Shu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Institute of Innovative Medicine Ingredients of Southwest Specialty Medicinal Materials, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Lan Bu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Institute of Innovative Medicine Ingredients of Southwest Specialty Medicinal Materials, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Li Guo
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Fei Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Institute of Innovative Medicine Ingredients of Southwest Specialty Medicinal Materials, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Liang Xiong
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Institute of Innovative Medicine Ingredients of Southwest Specialty Medicinal Materials, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Ishibashi O, Nishiyama M, Kwon E, Hashimoto M, Kuwahara S, Enomoto M. Semipinacol rearrangement of a bicyclo[7.2.0]undecane framework into a bicyclo[6.3.0]undecane skeleton: a model study on the biosynthesis of seiridiasteriscane A. Biosci Biotechnol Biochem 2021; 85:1621-1627. [PMID: 33960363 DOI: 10.1093/bbb/zbab083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 05/04/2021] [Indexed: 11/15/2022]
Abstract
Seiridiasteriscane A is an asteriscane-type sesquiterpenoid bearing a trans-fused bicyclo[6.3.0]undecane skeleton. Although its biosynthesis has been proposed to involve a semipinacol rearrangement of a putative intermediary acetate bearing a bicyclo[7.2.0]undecane ring system (presumably derived from coisolated pestalotiopsin M) followed by epimerization of the resulting cis-fused seiridiasteriscane B, such a type of semipinacol rearrangement has never been reported so far. Our model study revealed that a 1-hydroxybicyclo[7.2.0]undecan-2-yl acetate underwent a smooth and stereospecific semipinacol rearrangement with the assistance of Et2AlCl to give the corresponding bicyclo[6.3.0]undecane-9-one. In addition, the resulting cis-fused 5,8-bicyclic ketone was partially epimerized to the corresponding trans-fused ketone by prolonged adsorption onto a silica gel plate. These results may support a recently proposed biosynthetic pathway of seiridiasteriscane A.
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Affiliation(s)
- Osamu Ishibashi
- Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Mami Nishiyama
- Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki, Japan
| | - Eunsang Kwon
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Masaru Hashimoto
- Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki, Japan
| | - Shigefumi Kuwahara
- Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
| | - Masaru Enomoto
- Graduate School of Agricultural Science, Tohoku University, Aoba-ku, Sendai, Japan
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Li L, Turnbull WL, McDonald R, West FG. Lithium Hydroxide Assisted
Endo
‐Selective [4+4]‐Photocycloaddition of Pyran‐2‐ones. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lei Li
- Department of Chemistry University of Alberta E3-43 Gunning-Lemieux Chemistry Centre Edmonton AB T6G 2G2 Canada
| | - William L. Turnbull
- Department of Chemistry University of Alberta E3-43 Gunning-Lemieux Chemistry Centre Edmonton AB T6G 2G2 Canada
| | - Robert McDonald
- X-Ray Crystallography Laboratory Department of Chemistry University of Alberta E3-43 Gunning-Lemieux Chemistry Centre Edmonton AB T6G 2G2 Canada
| | - F. G. West
- Department of Chemistry University of Alberta E3-43 Gunning-Lemieux Chemistry Centre Edmonton AB T6G 2G2 Canada
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Grabowski JP, Ferrence GM, Mitchell TA. Efforts toward the total synthesis of (±)-toxicodenane A utilizing an oxidopyrylium-based [5+2] cycloaddition of a silicon-tethered BOC-pyranone. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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