1
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Mori T, Abe I. Functional analysis of a fungal P450 enzyme. Methods Enzymol 2023; 693:171-190. [PMID: 37977730 DOI: 10.1016/bs.mie.2023.09.003] [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] [Indexed: 11/19/2023]
Abstract
Fungal cytochrome P450s participate in various physiological reactions, including the synthesis of internal cellular components, metabolic detoxification of xenobiotic compounds, and oxidative modification of natural products. Although functional analysis reports of fungal P450s continue to grow, there are still some difficulties as compared to prokaryotic P450s, because most of these fungal enzymes are transmembrane proteins. In this chapter, we will describe the methods for heterologous expression, in vivo analysis, enzyme preparation, and in vitro enzyme assays of the fungal P450 enzyme Trt6 and isomerase Trt14, which play important roles in the divergence of the biosynthetic pathway of terretonins, as a model for the functional analysis of fungal P450 enzymes.
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Affiliation(s)
- Takahiro Mori
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo, Japan; PRESTO, Japan Science and Technology Agency, Saitama, Japan
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo, Japan.
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2
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Gao P, Khong HY, Mao W, Chen X, Bao L, Wen X, Xu Y. Tunicates as Sources of High-Quality Nutrients and Bioactive Compounds for Food/Feed and Pharmaceutical Applications: A Review. Foods 2023; 12:3684. [PMID: 37835337 PMCID: PMC10572860 DOI: 10.3390/foods12193684] [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: 09/11/2023] [Revised: 10/02/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Tunicates are widely distributed worldwide and are recognized as abundant marine bioresources with many potential applications. In this review, state-of-the-art studies on chemical composition analyses of various tunicate species were summarized; these studies confirmed that tunicates contain nutrients similar to fish (such as abundant cellulose, protein, and ω-3 fatty acid (FA)-rich lipids), indicating their practical and feasible uses for food or animal feed exploration. However, the presence of certain toxic elements should be evaluated in terms of safety. Moreover, recent studies on bioactive substances extracted from tunicates (such as toxins, sphingomyelins, and tunichromes) were analyzed, and their biological properties were comprehensively reviewed, including antimicrobial, anticancer, antioxidant, antidiabetic, and anti-inflammatory activities. In addition, some insights and prospects for the future exploration of tunicates are provided which are expected to guide their further application in the food, animal feed, and pharmaceutical industries. This review is critical to providing a new pathway for converting the common pollution issues of hydroponic nutrients into valuable marine bioresources.
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Affiliation(s)
- Pingping Gao
- Faculty of Applied Sciences, Universiti Teknologi MARA, Sarawak Branch, Kota Samarahan 94300, Malaysia
| | - Heng Yen Khong
- Faculty of Applied Sciences, Universiti Teknologi MARA, Sarawak Branch, Kota Samarahan 94300, Malaysia
| | - Wenhui Mao
- School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China (Y.X.)
| | - Xiaoyun Chen
- School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China (Y.X.)
| | - Lingxiang Bao
- School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China (Y.X.)
| | - Xinru Wen
- School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China (Y.X.)
| | - Yan Xu
- School of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316022, China (Y.X.)
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3
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Tian XH, Hong LL, Jiao WH, Lin HW. Natural sesquiterpene quinone/quinols: chemistry, biological activity, and synthesis. Nat Prod Rep 2023; 40:718-749. [PMID: 36636914 DOI: 10.1039/d2np00045h] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Covering: 2010 to 2021Sesquiterpene quinone/quinols (SQs) are characterized by a C15-sesquiterpenoid unit incorporating a C6-benzoquinone/quinol moiety. Numerous unprecedented carbon skeletons have been constructed with various connection patterns between the two parts. The potent anti-cancer, anti-inflammatory, anti-microbial, anti-viral, and fibrinolytic activities of SQs are associated with their diverse structures. The representative avarol has even entered the stage of clinical phase II research as an anti-HIV agent, and was developed as paramedic medicine against psoriasis. This review provides an overall summary of 558 new natural SQs discovered between 2010 and 2021, including seven groups and sixteen structure-type subgroups, which comprehensively recapitulates their chemical structures, spectral characteristics, source organisms, biological activities, synthesis, and biosynthesis, aiming to expand the application scope of this unique natural product resource.
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Affiliation(s)
- Xin-Hui Tian
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China.
| | - Li-Li Hong
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
| | - Wei-Hua Jiao
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
| | - Hou-Wen Lin
- Marine Drugs Research Center, Department of Pharmacy, Ren Ji Hospital, School of Medicine, State Key Laboratory of Microbial Metabolism, Shanghai Jiao Tong University, Shanghai 200127, P. R. China.
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4
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Awakawa T, Liu W, Bai T, Taniguchi T, Abe I. Orthoester formation in fungal meroterpenoid austalide F biosynthesis. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220037. [PMID: 36633279 PMCID: PMC9835590 DOI: 10.1098/rstb.2022.0037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/03/2022] [Indexed: 01/13/2023] Open
Abstract
Fungal meroterpenoids are important bioactive natural products. Their biosynthetic machineries are highly diverse, and reconstitutions lead to the production of unnatural meroterpenoids. In this study, heterologous gene expression in Aspergillus oryzae and in vitro assays elucidated the biosynthetic pathway of the orthoester-containing fungal meroterpenoid austalide F. Remarkably, the α-ketoglutarate-dependent oxygenase AstB produces the hemiacetal intermediate, and the methyltransferase AstL transfers a methyl group on it to construct the orthoester functionality. This study presents the extraordinary orthoester biosynthetic machinery and provides valuable insights into the creation of unnatural novel bioactive meroterpenoids through engineered biosynthesis. This article is part of the theme issue 'Reactivity and mechanism in chemical and synthetic biology'.
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Affiliation(s)
- Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
- RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
| | - Wei Liu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tongxuan Bai
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Tomo Taniguchi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
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5
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Zhang T, Gu G, Liu G, Su J, Zhan Z, Zhao J, Qian J, Cai G, Cen S, Zhang D, Yu L. Late-stage cascade of oxidation reactions during the biosynthesis of oxalicine B in Penicillium oxalicum. Acta Pharm Sin B 2023; 13:256-270. [PMID: 36815048 PMCID: PMC9939320 DOI: 10.1016/j.apsb.2022.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/01/2022] [Indexed: 11/01/2022] Open
Abstract
Oxalicine B (1) is an α-pyrone meroterpenoid with a unique bispirocyclic ring system derived from Penicillium oxalicum. The biosynthetic pathway of 15-deoxyoxalicine B (4) was preliminarily reported in Penicillium canescens, however, the genetic base and biochemical characterization of tailoring reactions for oxalicine B (1) has remained enigmatic. In this study, we characterized three oxygenases from the metabolic pathway of oxalicine B (1), including a cytochrome P450 hydroxylase OxaL, a hydroxylating Fe(II)/α-KG-dependent dioxygenase OxaK, and a multifunctional cytochrome P450 OxaB. Intriguingly, OxaK can catalyze various multicyclic intermediates or shunt products of oxalicines with impressive substrate promiscuity. OxaB was further proven via biochemical assays to have the ability to convert 15-hydroxdecaturin A (3) to 1 with a spiro-lactone core skeleton through oxidative rearrangement. We also solved the mystery of OxaL that controls C-15 hydroxylation. Chemical investigation of the wild-type strain and deletants enabled us to identify 10 metabolites including three new compounds, and the isolated compounds displayed potent anti-influenza A virus bioactivities exhibiting IC50 values in the range of 4.0-19.9 μmol/L. Our studies have allowed us to propose a late-stage biosynthetic pathway for oxalicine B (1) and create downstream derivatizations of oxalicines by employing enzymatic strategies.
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Affiliation(s)
- Tao Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Guowei Gu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Guodong Liu
- State Key Laboratory of Microbial Technology, National Glycoengineering Research Center, Shandong University, Qingdao 266237, China
| | - Jinhua Su
- The Third Medical Center, The General Hospital of People's Liberation Army, Beijing 100039, China
| | - Zhilai Zhan
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jianyuan Zhao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jinxiu Qian
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Guowei Cai
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shan Cen
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Dewu Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China,Corresponding authors. Tel./fax: +86 10 63187118.
| | - Liyan Yu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China,Corresponding authors. Tel./fax: +86 10 63187118.
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6
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Tao H, Abe I. Harnessing Fe(II)/α-ketoglutarate-dependent oxygenases for structural diversification of fungal meroterpenoids. Curr Opin Biotechnol 2022; 77:102763. [PMID: 35878474 DOI: 10.1016/j.copbio.2022.102763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/14/2022] [Accepted: 06/30/2022] [Indexed: 11/17/2022]
Abstract
Fungal meroterpenoids are structurally diverse natural products with important biological activities. During their biosynthesis, α-ketoglutarate-dependent oxygenases (αKG-DOs) catalyze a wide range of chemically challenging transformation reactions, including desaturation, epoxidation, oxidative rearrangement, and endoperoxide formation, by selective C-H bond activation, to produce molecules with more complex and divergent structures. Investigations on the structure-function relationships of αKG-DO enzymes have revealed the intimate molecular bases of their catalytic versatility and reaction mechanisms. Notably, the catalytic repertoire of αKG-DOs is further expanded by only subtle changes in their active site and lid-like loop-region architectures. Owing to their remarkable biocatalytic potential, αKG-DOs are ideal candidates for future chemoenzymatic synthesis and enzyme engineering for the generation of terpenoids with diverse structures and biological activities.
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Affiliation(s)
- Hui Tao
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo, Japan.
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7
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Zhang T, Pang X, Zhao J, Guo Z, He W, Cai G, Su J, Cen S, Yu L. Discovery and Activation of the Cryptic Cluster from Aspergillus sp. CPCC 400735 for Asperphenalenone Biosynthesis. ACS Chem Biol 2022; 17:1524-1533. [PMID: 35616995 DOI: 10.1021/acschembio.2c00204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Postgenomic analysis manifested that filamentous fungi contain numerous natural product biosynthetic gene clusters in their genome, yet most clusters remain cryptic or down-regulated. Herein, we report the successful manipulation of strain Aspergillus sp. CPCC 400735 that enables its genetic engineering via targeted overexpression of pathway-specific transcriptional regulator AspE. The down-regulated metabolic pathway encoded by the biosynthetic gene cluster asp was successfully up-activated. Analyses of mutant Ai-OE::aspE extracts led to isolation and characterization of 13 asperphenalenone derivatives, of which 11 of them are new compounds. All of the asperphenalenones exhibited conspicuous anti-influenza A virus effects with IC50 values of 0.45-2.22 μM. Additionally, their identification provided insight into biosynthesis of asperphenalenones and might benefit studies of downstream combinatorial biosynthesis. Our study further demonstrates the effective application of targeted overexpressing pathway-specific activator and novel metabolite discovery in microorganisms. These will accelerate the exploitation of the untapped resources and biosynthetic capability in filamentous fungi.
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Affiliation(s)
- Tao Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xu Pang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jianyuan Zhao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zhe Guo
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wenni He
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Guowei Cai
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jing Su
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shan Cen
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Liyan Yu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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8
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Zhang K, Zhang G, Hou X, Ma C, Liu J, Che Q, Zhu T, Li D. A Fungal Promiscuous UbiA Prenyltransferase Expands the Structural Diversity of Chrodrimanin-Type Meroterpenoids. Org Lett 2022; 24:2025-2029. [PMID: 35261248 DOI: 10.1021/acs.orglett.2c00495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Prenyltransferases play important roles in the diversification of natural products and the improvement of biological activities. A UbiA-type prenyltransferase CdnC with substrate promiscuity was identified as the pivotal builder of the noncanonical chrodrimanin skeletons, which carry a benzo-cyclohexanone structure as the nonterpene part. In vitro and heterologous expression studies with CdnC led to the production of a series of novel chrodrimanin-like structures. The discovery of CdnC offers a referable strategy for the biosynthesis and structural diversification of farnesyl-derived meroterpenoids.
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Affiliation(s)
- Kaijin Zhang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Guojian Zhang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China.,Marine Biomedical Research Institute of Qingdao, Qingdao 266101, China
| | - Xuewen Hou
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Chuanteng Ma
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Junyu Liu
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Qian Che
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Tianjiao Zhu
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Dehai Li
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China
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9
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Wei X, Wang WG, Matsuda Y. Branching and converging pathways in fungal natural product biosynthesis. Fungal Biol Biotechnol 2022; 9:6. [PMID: 35255990 PMCID: PMC8902786 DOI: 10.1186/s40694-022-00135-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 02/19/2022] [Indexed: 12/15/2022] Open
Abstract
AbstractIn nature, organic molecules with great structural diversity and complexity are synthesized by utilizing a relatively small number of starting materials. A synthetic strategy adopted by nature is pathway branching, in which a common biosynthetic intermediate is transformed into different end products. A natural product can also be synthesized by the fusion of two or more precursors generated from separate metabolic pathways. This review article summarizes several representative branching and converging pathways in fungal natural product biosynthesis to illuminate how fungi are capable of synthesizing a diverse array of natural products.
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10
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Xu H, Zhou L, Wang M, Wei L, Qu H, Ma J, Ju J, Han Z. Chemical constituents from marine derived fungus Talaromyces cellulolyticus SHJ-3 and its chemotaxonomic significance. BIOCHEM SYST ECOL 2022. [DOI: 10.1016/j.bse.2021.104377] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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11
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Li X, Awakawa T, Mori T, Ling M, Hu D, Wu B, Abe I. Heterodimeric Non-heme Iron Enzymes in Fungal Meroterpenoid Biosynthesis. J Am Chem Soc 2021; 143:21425-21432. [PMID: 34881885 DOI: 10.1021/jacs.1c11548] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Talaromyolides (1-6) are a group of unusual 6/6/6/6/6/6 hexacyclic meroterpenoids with (3R)-6-hydroxymellein and 4,5-seco-drimane substructures, isolated from the marine fungus Talaromyces purpureogenus. We have identified the biosynthetic gene cluster tlxA-J by heterologous expression in Aspergillus, in vitro enzyme assays, and CRISPR-Cas9-based gene inactivation. Remarkably, the heterodimer of non-heme iron (NHI) enzymes, TlxJ-TlxI, catalyzes three steps of oxidation including a key reaction, hydroxylation at C-5 and C-9 of 12, the intermediate with 3-ketohydroxydrimane scaffold, to facilitate a retro-aldol reaction, leading to the construction of the 4,5-secodrimane skeleton and characteristic ketal scaffold of 1-6. The products of TlxJ-TlxI, 1 and 4, were further hydroxylated at C-4'β by another NHI heterodimer, TlxA-TlxC, and acetylated by TlxB to yield the final products, 3 and 6. The X-ray structural analysis coupled with site-directed mutagenesis provided insights into the heterodimer TlxJ-TlxI formation and its catalysis. This is the first report to show that two NHI proteins form a heterodimer for catalysis and utilizes a novel methodology to create functional oxygenase structures in secondary metabolite biosynthesis.
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Affiliation(s)
- Xinyang Li
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Takahiro Mori
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan.,PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan
| | - Meiqi Ling
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Dan Hu
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Bin Wu
- Ocean College, Zhejiang University, Hangzhou 310058, China
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
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12
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Li F, Renata H. A Chiral-Pool-Based Strategy to Access trans-syn-Fused Drimane Meroterpenoids: Chemoenzymatic Total Syntheses of Polysin, N-Acetyl-polyveoline and the Chrodrimanins. J Am Chem Soc 2021; 143:18280-18286. [PMID: 34670085 DOI: 10.1021/jacs.1c08696] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
trans-syn-Fused drimane meroterpenoids are unique natural products that arise from contra-thermodynamic polycyclizations of their polyene precursors. Herein we report the first total syntheses of four trans-syn-fused drimane meroterpenoids, namely polysin, N-acetyl-polyveoline, chrodrimanin C, and verruculide A, in 7-18 steps from sclareolide. The trans-syn-fused drimane unit is accessed through an efficient acid-mediated C9 epimerization of sclareolide. Subsequent applications of enzymatic C-H oxidation and contemporary annulation methodologies install the requisite C3 hydroxyl group and enable rapid generation of structural complexity to provide concise access to these natural products.
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Affiliation(s)
- Fuzhuo Li
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Hans Renata
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
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13
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Sangster JJ, Marshall JR, Turner NJ, Mangas-Sanchez J. New Trends and Future Opportunities in the Enzymatic Formation of C-C, C-N, and C-O bonds. Chembiochem 2021; 23:e202100464. [PMID: 34726813 PMCID: PMC9401909 DOI: 10.1002/cbic.202100464] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/29/2021] [Indexed: 01/04/2023]
Abstract
Organic chemistry provides society with fundamental products we use daily. Concerns about the impact that the chemical industry has over the environment is propelling major changes in the way we manufacture chemicals. Biocatalysis offers an alternative to other synthetic approaches as it employs enzymes, Nature's catalysts, to carry out chemical transformations. Enzymes are biodegradable, come from renewable sources, operate under mild reaction conditions, and display high selectivities in the processes they catalyse. As a highly multidisciplinary field, biocatalysis benefits from advances in different areas, and developments in the fields of molecular biology, bioinformatics, and chemical engineering have accelerated the extension of the range of available transformations (E. L. Bell et al., Nat. Rev. Meth. Prim. 2021, 1, 1-21). Recently, we surveyed advances in the expansion of the scope of biocatalysis via enzyme discovery and protein engineering (J. R. Marshall et al., Tetrahedron 2021, 82, 131926). Herein, we focus on novel enzymes currently available to the broad synthetic community for the construction of new C-C, C-N and C-O bonds, with the purpose of providing the non-specialist with new and alternative tools for chiral and sustainable chemical synthesis.
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Affiliation(s)
- Jack J Sangster
- Department of Chemistry, Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - James R Marshall
- Department of Chemistry, Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Nicholas J Turner
- Department of Chemistry, Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Juan Mangas-Sanchez
- Institute of Chemical Synthesis and Homogeneous Catalysis, Spanish National Research Council (CSIC), Pedro Cerbuna 12, 50009, Zaragoza, Spain.,ARAID Foundation, Zaragoza, Spain
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14
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Yamazaki H. Exploration of marine natural resources in Indonesia and development of efficient strategies for the production of microbial halogenated metabolites. J Nat Med 2021; 76:1-19. [PMID: 34415546 PMCID: PMC8732978 DOI: 10.1007/s11418-021-01557-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 07/29/2021] [Indexed: 11/12/2022]
Abstract
Nature is a prolific source of organic products with diverse scaffolds and biological activities. The process of natural product discovery has gradually become more challenging, and advances in novel strategic approaches are essential to evolve natural product chemistry. Our focus has been on surveying untouched marine resources and fermentation to enhance microbial productive performance. The first topic is the screening of marine natural products isolated from Indonesian marine organisms for new types of bioactive compounds, such as antineoplastics, antimycobacterium substances, and inhibitors of protein tyrosine phosphatase 1B, sterol O-acyl-transferase, and bone morphogenetic protein-induced osteoblastic differentiation. The unique biological properties of marine organohalides are discussed herein and attempts to efficiently produce fungal halogenated metabolites are documented. This review presents an overview of our recent work accomplishments based on the MONOTORI study.
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Affiliation(s)
- Hiroyuki Yamazaki
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, 981-8558, Japan.
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15
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Jiang J, Li X, Mori T, Awakawa T, Abe I. Novel Cyclohexyl Meroterpenes Produced by Combinatorial Biosynthesis. Chem Pharm Bull (Tokyo) 2021; 69:444-446. [PMID: 33952854 DOI: 10.1248/cpb.c21-00123] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Structurally diverse fungal meroterpenoids are promising drug seed compounds. To obtain unnatural, novel meroterpene scaffolds, we tested combinatorial biosynthesis by co-expressing functionally distinct terpene cyclase (TPC) genes, pyr4, ascF, andB, or cdmG, with the biosynthetic genes for the production of a TPC substrate, (10'R)-epoxyfarnesyl-dimethylorsellinic acid-3,5-methyl ester, in Aspergillus oryzae NSAR1 as a heterologous host. As a result, all of the tested TPCs afforded the same two novel mono-cyclization products. This study provides important information on the substrate scope of the TPCs, and will contribute to the production of unnatural, novel molecules for future drug discovery.
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Affiliation(s)
- Jinyan Jiang
- Graduate School of Pharmaceutical Sciences, The University of Tokyo
| | - Xinyang Li
- Graduate School of Pharmaceutical Sciences, The University of Tokyo
| | - Takahiro Mori
- Graduate School of Pharmaceutical Sciences, The University of Tokyo.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo.,PRESTO, Japan Science and Technology Agency
| | - Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences, The University of Tokyo.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo
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16
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Mori T, Zhai R, Ushimaru R, Matsuda Y, Abe I. Molecular insights into the endoperoxide formation by Fe(II)/α-KG-dependent oxygenase NvfI. Nat Commun 2021; 12:4417. [PMID: 34285212 PMCID: PMC8292354 DOI: 10.1038/s41467-021-24685-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 06/30/2021] [Indexed: 11/08/2022] Open
Abstract
Endoperoxide-containing natural products are a group of compounds with structurally unique cyclized peroxide moieties. Although numerous endoperoxide-containing compounds have been isolated, the biosynthesis of the endoperoxides remains unclear. NvfI from Aspergillus novofumigatus IBT 16806 is an endoperoxidase that catalyzes the formation of fumigatonoid A in the biosynthesis of novofumigatonin. Here, we describe our structural and functional analyses of NvfI. The structural elucidation and mutagenesis studies indicate that NvfI does not utilize a tyrosyl radical in the reaction, in contrast to other characterized endoperoxidases. Further, the crystallographic analysis reveals significant conformational changes of two loops upon substrate binding, which suggests a dynamic movement of active site during the catalytic cycle. As a result, NvfI installs three oxygen atoms onto a substrate in a single enzyme turnover. Based on these results, we propose a mechanism for the NvfI-catalyzed, unique endoperoxide formation reaction to produce fumigatonoid A.
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Affiliation(s)
- Takahiro Mori
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
- PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama, Japan.
| | - Rui Zhai
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Richiro Ushimaru
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
- ACT-X, Japan Science and Technology Agency, Kawaguchi, Saitama, Japan
| | - Yudai Matsuda
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
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17
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Jiang M, Wu Z, Liu L, Chen S. The chemistry and biology of fungal meroterpenoids (2009-2019). Org Biomol Chem 2021; 19:1644-1704. [PMID: 33320161 DOI: 10.1039/d0ob02162h] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Fungal meroterpenoids are secondary metabolites from mixed terpene-biosynthetic origins. Their intriguing chemical structural diversification and complexity, potential bioactivities, and pharmacological significance make them attractive targets in natural product chemistry, organic synthesis, and biosynthesis. This review provides a systematic overview of the isolation, chemical structural features, biological activities, and fungal biodiversity of 1585 novel meroterpenoids from 79 genera terrestrial and marine-derived fungi including macrofungi, Basidiomycetes, in 441 research papers in 2009-2019. Based on the nonterpenoid starting moiety in their biosynthesis pathway, meroterpenoids were classified into four categories (polyketide-terpenoid, indole-, shikimate-, and miscellaneous-) with polyketide-terpenoids (mainly tetraketide-) and shikimate-terpenoids as the primary source. Basidiomycota produced 37.5% of meroterpenoids, mostly shikimate-terpenoids. The genera of Ganoderma, Penicillium, Aspergillus, and Stachybotrys are the four dominant producers. Moreover, about 56% of meroterpenoids display various pronounced bioactivities, including cytotoxicity, enzyme inhibition, antibacterial, anti-inflammatory, antiviral, antifungal activities. It's exciting that several meroterpenoids including antroquinonol and 4-acetyl antroquinonol B were developed into phase II clinically used drugs. We assume that the chemical diversity and therapeutic potential of these fungal meroterpenoids will provide biologists and medicinal chemists with a large promising sustainable treasure-trove for drug discovery.
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Affiliation(s)
- Minghua Jiang
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
| | - Zhenger Wu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Lan Liu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
| | - Senhua Chen
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
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18
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A norbisabolane and an arabitol benzoate from Talaromyces marneffei, an endophytic fungus of Epilobium angustifolium. Fitoterapia 2021; 153:104948. [PMID: 34087409 DOI: 10.1016/j.fitote.2021.104948] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/25/2021] [Accepted: 05/30/2021] [Indexed: 11/22/2022]
Abstract
A norbisabolane and an arabitol benzoate, Talaromarnine A (1), Talaromarnine B (2), together with eight known compounds were obtained from cultures of Talaromyces marneffei, an endophytic fungus of Epilobium angustifolium. Their structures were elucidated by IR, MS, 1D and 2D NMR spectra, and their absolute configuration was determined by single-crystal X-ray diffraction and molecular computation. These compounds were tested for monoamine oxidase, acetylcholinesterase and PI3K inhibitory activity, but no compounds exhibited significant activities.
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19
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Kahlert L, Villanueva M, Cox RJ, Skellam EJ. Biosynthesis of 6-Hydroxymellein Requires a Collaborating Polyketide Synthase-like Enzyme. Angew Chem Int Ed Engl 2021; 60:11423-11429. [PMID: 33661567 PMCID: PMC8251887 DOI: 10.1002/anie.202100969] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 02/22/2021] [Indexed: 12/12/2022]
Abstract
The polyketide synthase (PKS)-like protein TerB, consisting of inactive dehydratase, inactive C-methyltransferase, and functional ketoreductase domains collaborates with the iterative non reducing PKS TerA to produce 6-hydroxymellein, a key pathway intermediate during the biosynthesis of various fungal natural products. The catalytically inactive dehydratase domain of TerB appears to mediate productive interactions with TerA, demonstrating a new mode of trans-interaction between iterative PKS components.
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Affiliation(s)
- Lukas Kahlert
- Institute for Organic Chemistry and BMWZLeibniz Universität HannoverSchneiderberg 3830167HannoverGermany
| | - Miranda Villanueva
- Institute for Organic Chemistry and BMWZLeibniz Universität HannoverSchneiderberg 3830167HannoverGermany
- Current address: The Molecular Biology InstituteUCLALos AngelesCA90095-1570USA
| | - Russell J. Cox
- Institute for Organic Chemistry and BMWZLeibniz Universität HannoverSchneiderberg 3830167HannoverGermany
| | - Elizabeth J. Skellam
- Institute for Organic Chemistry and BMWZLeibniz Universität HannoverSchneiderberg 3830167HannoverGermany
- Current address: Department of Chemistry & BioDiscovery InstituteUniversity of North Texas1155 Union Circle 305220DentonTX76203USA
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20
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Kahlert L, Villanueva M, Cox RJ, Skellam EJ. Biosynthesis of 6‐Hydroxymellein Requires a Collaborating Polyketide Synthase‐like Enzyme. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lukas Kahlert
- Institute for Organic Chemistry and BMWZ Leibniz Universität Hannover Schneiderberg 38 30167 Hannover Germany
| | - Miranda Villanueva
- Institute for Organic Chemistry and BMWZ Leibniz Universität Hannover Schneiderberg 38 30167 Hannover Germany
- Current address: The Molecular Biology Institute UCLA Los Angeles CA 90095-1570 USA
| | - Russell J. Cox
- Institute for Organic Chemistry and BMWZ Leibniz Universität Hannover Schneiderberg 38 30167 Hannover Germany
| | - Elizabeth J. Skellam
- Institute for Organic Chemistry and BMWZ Leibniz Universität Hannover Schneiderberg 38 30167 Hannover Germany
- Current address: Department of Chemistry & BioDiscovery Institute University of North Texas 1155 Union Circle 305220 Denton TX 76203 USA
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21
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Han J, Jiang L, Zhang L, Quinn RJ, Liu X, Feng Y. Peculiarities of meroterpenoids and their bioproduction. Appl Microbiol Biotechnol 2021; 105:3987-4003. [PMID: 33937926 DOI: 10.1007/s00253-021-11312-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 04/14/2021] [Accepted: 04/20/2021] [Indexed: 02/05/2023]
Abstract
Meroterpenoids are a class of terpenoid-containing hybrid natural products with impressive structural architectures and remarkable pharmacological activities. Remarkable advances in enzymology and synthetic biology have greatly contributed to the elucidation of the molecular basis for their biosynthesis. Here, we review structurally unique meroterpenoids catalyzed by novel enzymes and unusual enzymatic reactions over the period of last 5 years. We also discuss recent progress on the biomimetic synthesis of chrome meroterpenoids and synthetic biology-driven biomanufacturing of tropolone sesquiterpenoids, merochlorins, and plant-derived meroterpenoid cannabinoids. In particular, we focus on the novel enzymes involved in the biosynthesis of polyketide-terpenoids, nonribosomal peptide-terpenoids, terpenoid alkaloids, and meroterpenoid with unique structures. The biological activities of these meroterpenoids are also discussed. The information reviewed here might provide useful clues and lay the foundation for developing new meroterpenoid-derived drugs. KEY POINTS: • Meroterpenoids possess intriguing structural features and relevant biological activities. • Novel enzymes are involved in the biosynthesis of meroterpenoids with unique structures. • Biomimetic synthesis and synthetic biology enable the construction and manufacturing of complex meroterpenoids.
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Affiliation(s)
- Jianying Han
- Griffith Institute for Drug Discovery, Griffith University, QLD, Brisbane, 4111, Australia
| | - Lan Jiang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Lixin Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Ronald J Quinn
- Griffith Institute for Drug Discovery, Griffith University, QLD, Brisbane, 4111, Australia
| | - Xueting Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China.
| | - Yunjiang Feng
- Griffith Institute for Drug Discovery, Griffith University, QLD, Brisbane, 4111, Australia.
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22
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Abstract
This review covers the literature published between January and December in 2018 for marine natural products (MNPs), with 717 citations (706 for the period January to December 2018) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1554 in 469 papers for 2018), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included. The proportion of MNPs assigned absolute configuration over the last decade is also surveyed.
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Affiliation(s)
- Anthony R Carroll
- School of Environment and Science, Griffith University, Gold Coast, Australia. and Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia and School of Environment and Science, Griffith University, Brisbane, Australia
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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23
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Skellam E. Analysis of the Secondary Metabolism in Magnaporthe oryzae. Methods Mol Biol 2021; 2356:41-56. [PMID: 34236675 DOI: 10.1007/978-1-0716-1613-0_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Magnaporthe oryzae produces a number of secondary metabolites, some of which are thought to be responsible for the virulence of this fungus toward rice. Due to the importance of understanding plant-pathogen interactions, several of these metabolites have been investigated chemically and biosynthetically. This chapter provides an overview of the secondary metabolites isolated from M. oryzae and describes a general method for metabolite extraction, followed by an analysis using high-performance liquid chromatography (HPLC) combined with mass spectrometry (LCMS).
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Affiliation(s)
- Elizabeth Skellam
- Department of Chemistry & BioDiscovery Institute, University of North Texas, Denton, TX, USA.
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24
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Zhang X, Guo J, Cheng F, Li S. Cytochrome P450 enzymes in fungal natural product biosynthesis. Nat Prod Rep 2021; 38:1072-1099. [PMID: 33710221 DOI: 10.1039/d1np00004g] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Covering: 2015 to the end of 2020 Fungal-derived polyketides, non-ribosomal peptides, terpenoids and their hybrids contribute significantly to the chemical space of total natural products. Cytochrome P450 enzymes play essential roles in fungal natural product biosynthesis with their broad substrate scope, great catalytic versatility and high frequency of involvement. Due to the membrane-bound nature, the functional and mechanistic understandings for fungal P450s have been limited for quite a long time. However, recent technical advances, such as the efficient and precise genome editing techniques and the development of several filamentous fungal strains as heterologous P450 expression hosts, have led to remarkable achievements in fungal P450 studies. Here, we provide a comprehensive review to cover the most recent progresses from 2015 to 2020 on catalytic functions and mechanisms, research methodologies and remaining challenges in the fast-growing field of fungal natural product biosynthetic P450s.
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Affiliation(s)
- Xingwang Zhang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China. and Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong 266237, China
| | - Jiawei Guo
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China.
| | - Fangyuan Cheng
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China.
| | - Shengying Li
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China. and Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong 266237, China
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25
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Mitsuhashi T, Barra L, Powers Z, Kojasoy V, Cheng A, Yang F, Taniguchi Y, Kikuchi T, Fujita M, Tantillo DJ, Porco JA, Abe I. Exploiting the Potential of Meroterpenoid Cyclases to Expand the Chemical Space of Fungal Meroterpenoids. Angew Chem Int Ed Engl 2020; 59:23772-23781. [PMID: 32931152 PMCID: PMC8957209 DOI: 10.1002/anie.202011171] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Indexed: 12/20/2022]
Abstract
Fungal meroterpenoids are a diverse group of hybrid natural products with impressive structural complexity and high potential as drug candidates. In this work, we evaluate the promiscuity of the early structure diversity-generating step in fungal meroterpenoid biosynthetic pathways: the multibond-forming polyene cyclizations catalyzed by the yet poorly understood family of fungal meroterpenoid cyclases. In total, 12 unnatural meroterpenoids were accessed chemoenzymatically using synthetic substrates. Their complex structures were determined by 2D NMR studies as well as crystalline-sponge-based X-ray diffraction analyses. The results obtained revealed a high degree of enzyme promiscuity and experimental results which together with quantum chemical calculations provided a deeper insight into the catalytic activity of this new family of non-canonical, terpene cyclases. The knowledge obtained paves the way to design and engineer artificial pathways towards second generation meroterpenoids with valuable bioactivities based on combinatorial biosynthetic strategies.
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Affiliation(s)
- Takaaki Mitsuhashi
- Graduate School of Pharmaceutical Sciences, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)
- Division of Advanced Molecular Science, Institute for Molecular Science, National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji, Okazaki, 444-8787 (Japan)
| | - Lena Barra
- Graduate School of Pharmaceutical Sciences, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)
| | - Zachary Powers
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215 (USA)
| | - Volga Kojasoy
- Department of Chemistry, University of California Davis 1 Shields Avenue, Davis, California 95616 (USA)
| | - Andrea Cheng
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215 (USA)
| | - Feng Yang
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215 (USA)
| | - Yoshimasa Taniguchi
- Central Laboratories for Key Technologies, Kirin Holdings Co. Ltd. 1-13-5, Fukuura Kana-zawa-ku, Yokohama-shi, Kanagawa, 236-0004 (Japan)
| | - Takashi Kikuchi
- Rigaku Corporation, 3-9-12 Matsubara-cho, Akishima-shi, Tokyo 196-8666 (Japan)
| | - Makoto Fujita
- Division of Advanced Molecular Science, Institute for Molecular Science, National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji, Okazaki, 444-8787 (Japan)
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)
| | - Dean J. Tantillo
- Department of Chemistry, University of California Davis 1 Shields Avenue, Davis, California 95616 (USA)
| | - John A. Porco
- Department of Chemistry and Center for Molecular Discovery (BU-CMD), Boston University, Boston, Massachusetts, 02215 (USA)
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033 (Japan)
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657 (Japan)
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26
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Heterologous biosynthesis as a platform for producing new generation natural products. Curr Opin Biotechnol 2020; 66:123-130. [DOI: 10.1016/j.copbio.2020.06.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/27/2020] [Accepted: 06/30/2020] [Indexed: 12/18/2022]
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27
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Kan E, Tomita H, Katsuyama Y, Maruyama JI, Koyama Y, Ohnishi Y. Discovery of the 2,4'-Dihydroxy-3'-methoxypropiophenone Biosynthesis Genes in Aspergillus oryzae. Chembiochem 2020; 22:203-211. [PMID: 32885554 DOI: 10.1002/cbic.202000505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/02/2020] [Indexed: 11/11/2022]
Abstract
The filamentous fungus Aspergillus oryzae has 27 putative iterative type I polyketide synthase (PKS) gene clusters, but the secondary metabolites produced by them are mostly unknown. Here, we focused on eight clusters that were reported to be expressed at relatively high levels in a transcriptome analysis. By comparing metabolites between an octuple-deletion mutant of these eight PKS gene clusters and its parent strain, we found that A. oryzae produced 2,4'-dihydroxy-3'-methoxypropiophenone (1) and its precursor, 4'-hydroxy-3'-methoxypropiophenone (3) in a specific liquid medium. Furthermore, an iterative type I PKS (PpsB) encoded by AO090102000166 and an acetyl-CoA ligase (PpsA) encoded downstream from ppsB were shown to be essential for their biosynthesis. PpsC, encoded upstream from ppsB, was shown to have 3-binding activity (Kd =26.0±6.2 μM) and is suggested to be involved in the conversion of 3 to 1. This study deepens our understanding of cryptic secondary metabolism in A. oryzae.
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Affiliation(s)
- Eiichiro Kan
- Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.,Noda Institute for Scientific Research, 338, Noda, Noda City, Chiba, 278-0037, Japan
| | - Hiroya Tomita
- Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Yohei Katsuyama
- Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.,Collaborative Research Institute for Innovative Microbiology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Jun-Ichi Maruyama
- Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.,Collaborative Research Institute for Innovative Microbiology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Yasuji Koyama
- Noda Institute for Scientific Research, 338, Noda, Noda City, Chiba, 278-0037, Japan
| | - Yasuo Ohnishi
- Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.,Collaborative Research Institute for Innovative Microbiology, Graduate School of Agriculture and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
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28
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Mitsuhashi T, Barra L, Powers Z, Kojasoy V, Cheng A, Yang F, Taniguchi Y, Kikuchi T, Fujita M, Tantillo DJ, Porco JA, Abe I. Exploiting the Potential of Meroterpenoid Cyclases to Expand the Chemical Space of Fungal Meroterpenoids. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011171] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Takaaki Mitsuhashi
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Division of Advanced Molecular Science Institute for Molecular Science National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
| | - Lena Barra
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Zachary Powers
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) Boston University Boston Massachusetts 02215 USA
| | - Volga Kojasoy
- Department of Chemistry University of California Davis 1 Shields Avenue Davis California 95616 USA
| | - Andrea Cheng
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) Boston University Boston Massachusetts 02215 USA
| | - Feng Yang
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) Boston University Boston Massachusetts 02215 USA
| | - Yoshimasa Taniguchi
- Central Laboratories for Key Technologies Kirin Holdings Co. Ltd. 1-13-5, Fukuura Kana-zawa-ku, Yokohama-shi Kanagawa 236-0004 Japan
| | - Takashi Kikuchi
- Rigaku Corporation 3-9-12 Matsubara-cho, Akishima-shi Tokyo 196-8666 Japan
| | - Makoto Fujita
- Division of Advanced Molecular Science Institute for Molecular Science National Institutes of Natural Sciences 5-1 Higashiyama, Myodaiji Okazaki 444-8787 Japan
- Department of Applied Chemistry Graduate School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Dean J. Tantillo
- Department of Chemistry University of California Davis 1 Shields Avenue Davis California 95616 USA
| | - John A. Porco
- Department of Chemistry and Center for Molecular Discovery (BU-CMD) Boston University Boston Massachusetts 02215 USA
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Collaborative Research Institute for Innovative Microbiology The University of Tokyo Yayoi 1-1-1, Bunkyo-ku Tokyo 113-8657 Japan
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29
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Abstract
Covering: up to July 2020Fungal meroterpenoid cyclases are a recently discovered emerging family of membrane-integrated, non-canonical terpene cyclases. They catalyze the conversion of hybrid isoprenic precursors towards complex scaffolds and are therefore of great importance in the structure diversification in meroterpenoid biosynthesis. The products of these pathways exhibit intriguing molecular scaffolds and highly potent bioactivities, making them privileged structures from Nature and attractive candidates for drug development or industrial applications. This review will provide a comprehensive and comparative view on fungal meroterpenoid cyclases, their intriguing chemistries and importance for the scaffold formation step towards polycyclic meroterpenoid natural products.
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Affiliation(s)
- Lena Barra
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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30
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Qiao H, Zhang SH, Dong Y, Yang Y, Xu R, Chen B, Wang Y, Zhu TJ, Cui CB, Zhang GG, Li CW. Chrysomutanin and related meroterpenoids from a DES mutant of the marine-derived fungus Penicillium chrysogenum S-3-25. Nat Prod Res 2020; 36:1834-1841. [PMID: 32901513 DOI: 10.1080/14786419.2020.1819271] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
A new meroterpene, chrysomutanin (1), two new meroterpenoids (4 and 5) together with nine known ones were isolated from the diethyl sulphate (DES) mutant 3d10-01 of the marine-derived fungus Penicillium chrysogenum S-3-25. The structures of the isolated compounds were determined by their spectroscopic data, and the absolute configuration of 1 was determined by Rh2-induced electrical circular dichroism (ECD) analysis or by comparison of the measured ECD with that of the known compounds. The cytotoxic activity was preliminarily evaluated against five human cancer cell lines. HPLC-UV analysis showed that compounds 1-12 were all newly produced by the mutant, and were not detected from the initial strain S-3-25. Chrysomutanin (1) is a new member with a chain sesquiterpene unit to the family of meroterpenes. Present results confirm that DES mutagenesis strategy is an effective method to exploit the dormant metabolites of fungi.
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Affiliation(s)
- Hua Qiao
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Shu-Hua Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Yuan Dong
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China.,Integrative Medical Center, The Fifth Medical Center of PLA General Hospital, Beijing, People's Republic of China
| | - Yu Yang
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Rui Xu
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Bo Chen
- Key Laboratory for Polar Science of State Oceanic Administration, Polar Research Institute of China, Shanghai, People's Republic of China
| | - Yi Wang
- Ministry of Education Key Laboratory of Marine Drugs, School of Medicine and Pharmacy, Ocean University of China, Qingdao, People's Republic of China
| | - Tian-Jiao Zhu
- Ministry of Education Key Laboratory of Marine Drugs, School of Medicine and Pharmacy, Ocean University of China, Qingdao, People's Republic of China
| | - Cheng-Bin Cui
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Guo-Gang Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Chang-Wei Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
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31
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Abe I. Nonheme Iron- and 2-Oxoglutarate-Dependent Dioxygenases in Fungal Meroterpenoid Biosynthesis. Chem Pharm Bull (Tokyo) 2020; 68:823-831. [PMID: 32879222 DOI: 10.1248/cpb.c20-00360] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This review summarizes the recent progress in research on the non-heme Fe(II)- and 2-oxoglutarate-dependent dioxygenases, which are involved in the biosynthesis of pharmaceutically important fungal meroterpenoids. This enzyme class activates a selective C-H bond of the substrate and catalyzes a wide range of chemical reactions, from simple hydroxylation to dynamic carbon skeletal rearrangements, thereby significantly contributing to the structural diversification and complexification of the molecules. Structure-function studies of these enzymes provide an excellent platform for the development of useful biocatalysts for synthetic biology to create novel molecules for future drug discovery.
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Affiliation(s)
- Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo.,Collaborative Research Institute for Innovative Microbiology, The University of Tokyo
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32
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Ishiuchi K, Amber Syed A, Kosuge Y, Fujiwara Y, Makino T, Hirose D. Decaturenol A and known oxalicine related meroterpenoids isolated from Penicillium decaturense RO050, and their new biological activities. Bioorg Med Chem Lett 2020; 30:127307. [PMID: 32631527 DOI: 10.1016/j.bmcl.2020.127307] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 01/31/2023]
Abstract
Decaturenol A (1), a new oxalicine related meroterpenoid, has been isolated from Penicillium decaturense RO050 along with seven known compounds (2-8). The structure of 1 was elucidated by spectroscopic data. The effects of isolated compounds (1-8) on endoplasmic reticulum (ER) stress-induced cell death in HT22 hippocampal nerve cells and on the interleukin 10 (IL-10)-induced expression of CD163, a M2 phenotype marker, in human monocyte-derived macrophages were evaluated. While decaturenol A (1) exhibited a protective effect on ER stress-induced cell death in HT22 cells at 10 µM, on the other hand oxalicine A (7) showed cytotoxic activity (IC50 = 5.9 µM). Additionally, decaturenol A (1), decaturins D (2), E (3), and B (4) inhibited the IL-10-induced expression of CD163 each at a concentration of 20 µg/mL.
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Affiliation(s)
- Kan'ichiro Ishiuchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-Dori, Mizuho-ku, Nagoya 467-8603, Aichi, Japan.
| | - Ayesha Amber Syed
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-Dori, Mizuho-ku, Nagoya 467-8603, Aichi, Japan
| | - Yasuhiro Kosuge
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1, Narashinodai, Funabashi, 274-8555, Chiba, Japan
| | - Yukio Fujiwara
- Department of Cell Pathology, Graduate School of Medical Sciences, Kumamoto University, Honjo 1-1-1, Kumamoto 860-8556, Kumamoto, Japan
| | - Toshiaki Makino
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-Dori, Mizuho-ku, Nagoya 467-8603, Aichi, Japan
| | - Dai Hirose
- Laboratory of Medical Microbiology, School of Pharmacy, Nihon University, 7-7-1, Narashinodai, Funabashi 274-8555, Chiba, Japan
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33
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Yang XY, Zhang JX, Ding QY, He ZC, Zhu CY, Zhang KQ, Niu XM. Metabolites from Two Dominant Thermophilic Fungal Species Thermomyces lanuginosus and Scytalidium thermophilum. Chem Biodivers 2020; 17:e2000137. [PMID: 32207881 DOI: 10.1002/cbdv.202000137] [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: 02/25/2020] [Accepted: 03/24/2020] [Indexed: 11/10/2022]
Abstract
Thermomyces lanuginosus and Scytalidium thermophilum are among the most ubiquitous thermophilic fungi in compost and soil. Chemical study on these two prevalent strains collected from Yunnan led to isolation of 23 metabolites, including one new metabolite, therlanubutanolide, and 15 known compounds, isolated from the YGP culture broth of Thermomyces lanuginosus and 7 known compounds isolated from Scytalidium thermophilum, respectively. Therlanubutanolide shared the quite similar features of the same carbon skeleton and saturation as natural hexadecanoic acids. This was the first reported discovery of such a lactone as natural occurring metabolite. All the compounds were reported for the first time from thermophilic fungi. Among them, N-[(2S,3R,4E,8E)-1,3-dihydroxy-9-methyloctadeca-4,8-dien-2-yl]acetamide was for the first time reported to be a naturally occurring metabolite and its NMR data was first provided in this study. A type of PKS-derived metabolites, three 3,4-dihydronaphthalen-1(2H)-ones, which were widely found in plant pathogenic fungi as phytotoxins and reported to have antimicrobial activity, were obtained from both dominant thermophilic fungi. The frequent occurrence of such PKS phytotoxins in these two thermophilic fungi might suggest particular ecological interest.
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Affiliation(s)
- Xiao-Yu Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Jun-Xian Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Qiu-Yan Ding
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Zi-Cong He
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Chun-Yan Zhu
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Ke-Qin Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
| | - Xue-Mei Niu
- State Key Laboratory for Conservation and Utilization of Bio-Resources and Key Laboratory for Microbial Resources of the Ministry of Education, School of life Sciences, Yunnan University, Kunming, 650091, P. R. China
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34
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Ugai T, Minami A, Tanaka S, Ozaki T, Liu C, Shigemori H, Hashimoto M, Oikawa H. Biosynthetic Machinery of 6-Hydroxymellein Derivatives Leading to Cyclohelminthols and Palmaenones. Chembiochem 2019; 21:360-367. [PMID: 31298454 DOI: 10.1002/cbic.201900404] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Indexed: 01/04/2023]
Abstract
Oxygenated cyclopentene systems are unique structural motifs found in fungal polyketides such as terrein, cyclohelminthols, and palmaenones. Here we report the identification of the biosynthetic gene clusters for cyclohelminthols and palmaenones and the functional characterization of the polyketide synthases and halogenases involved in the construction of 6-hydroxymellein derivatives. Heterologous expression in Aspergillus oryzae demonstrated that 6-hydroxymellein is a common biosynthetic intermediate and that chlorination occurs in the early stages of its products' biosynthesis. This was further confirmed by in vitro enzymatic reactions conducted in the presence of recombinant proteins. Plausible means of biogenesis of fungal polyketides from 6-hydroxymellein derivatives, additionally supported by the reported labeling patterns of terrein and structurally related fungal polyketides, are also discussed. This study sets the stage for elucidation of the biosynthetic machinery of fungal polyketides of this type.
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Affiliation(s)
- Takahiro Ugai
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Atsushi Minami
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Shizuya Tanaka
- Faculty of Agriculture and Life Science, Hirosaki University, 3-Bunkyo-cho, Hirosaki, 036-8561, Japan
| | - Taro Ozaki
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Chengwei Liu
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Hideyuki Shigemori
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1-Tennodai, Tsukuba, Ibaraki, 305-8572, Japan
| | - Masaru Hashimoto
- Faculty of Agriculture and Life Science, Hirosaki University, 3-Bunkyo-cho, Hirosaki, 036-8561, Japan
| | - Hideaki Oikawa
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
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35
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Genetic mining of the “dark matter” in fungal natural products. SCIENCE CHINA-LIFE SCIENCES 2019; 62:1250-1252. [DOI: 10.1007/s11427-019-9818-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 08/10/2019] [Indexed: 01/24/2023]
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36
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Cao X, Shi Y, Wu X, Wang K, Huang S, Sun H, Dickschat JS, Wu B. Talaromyolides A–D and Talaromytin: Polycyclic Meroterpenoids from the Fungus Talaromyces sp. CX11. Org Lett 2019; 21:6539-6542. [DOI: 10.1021/acs.orglett.9b02466] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xun Cao
- Ocean College, Zhejiang University, Hangzhou 310058, China
| | - Yutong Shi
- Ocean College, Zhejiang University, Hangzhou 310058, China
| | - Xiaodan Wu
- Ocean College, Zhejiang University, Hangzhou 310058, China
| | - Kuiwu Wang
- Department of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310058, China
| | - Shaohua Huang
- Institute of Drug Discovery Technology, Ningbo University, Ningbo 315000, China
| | - Hongxiang Sun
- College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jeroen S. Dickschat
- Kekulé-Institute for Organic Chemistry and Biochemistry, University of Bonn, 53121 Bonn, Germany
| | - Bin Wu
- Ocean College, Zhejiang University, Hangzhou 310058, China
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37
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Luo XW, Chen CM, Li KL, Lin XP, Gao CH, Zhou XF, Liu YH. Sesquiterpenoids and meroterpenoids from a mangrove derived fungus Diaporthe sp. SCSIO 41011. Nat Prod Res 2019; 35:282-288. [PMID: 31177836 DOI: 10.1080/14786419.2019.1627355] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
One new sesquiterpenoid, 1-methoxypestabacillin B (1), along with one known sesquiterpenoid (2) and six known chrodrimanin-type meroterpenoids (3‒8) were obtained from the solid cultures of a mangrove endophytic fungus Diaporthe sp. SCSIO 41011. Their structures including the absolute configuration at C-6 of compound 1, were determined by extensive spectroscopic analyses and ECD calculations. Meanwhile, the X-ray crystal structures and absolute configurations of two previously reported chrodrimanins E (3) and H (6), are described for the first time. All the compounds were examined for HIV latency-reversal and anti-influenza A virus activities.
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Affiliation(s)
- Xiao-Wei Luo
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China.,CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chun-Mei Chen
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Kun-Long Li
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Xiu-Ping Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Cheng-Hai Gao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China
| | - Xue-Feng Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China
| | - Yong-Hong Liu
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, China.,CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica/RNAM Center for Marine Microbiology, Institutions of South China Sea Ecology and Environmental Engineering, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China.,University of Chinese Academy of Sciences, Beijing, China
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38
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Quan Z, Awakawa T, Wang D, Hu Y, Abe I. Multidomain P450 Epoxidase and a Terpene Cyclase from the Ascochlorin Biosynthetic Pathway in Fusarium sp. Org Lett 2019; 21:2330-2334. [DOI: 10.1021/acs.orglett.9b00616] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhiyang Quan
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Takayoshi Awakawa
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1,
Bunkyo-ku, Tokyo 113-8657, Japan
| | - Dongmei Wang
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- School of Pharmaceutical Sciences, Sun Yat-sen University, No. 135, Xingang Xi Road, Guangzhou 510275, P. R. China
| | - Yue Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, No. 135, Xingang Xi Road, Guangzhou 510275, P. R. China
| | - Ikuro Abe
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Yayoi 1-1-1,
Bunkyo-ku, Tokyo 113-8657, Japan
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39
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Abstract
A personal selection of 32 recent papers is presented covering various aspects of current developments in bioorganic chemistry and novel natural products such as vlasoulamine A from Vladimiria souliei.
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