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de Mattos-Shipley KMJ, Simpson TJ. The 'emodin family' of fungal natural products-amalgamating a century of research with recent genomics-based advances. Nat Prod Rep 2023; 40:174-201. [PMID: 36222427 PMCID: PMC9890505 DOI: 10.1039/d2np00040g] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Indexed: 11/06/2022]
Abstract
Covering: up to 2022A very large group of biosynthetically linked fungal secondary metabolites are formed via the key intermediate emodin and its corresponding anthrone. The group includes anthraquinones such as chrysophanol and cladofulvin, the grisandienes geodin and trypacidin, the diphenyl ether pestheic acid, benzophenones such as monodictyphenone and various xanthones including the prenylated shamixanthones, the agnestins and dimeric xanthones such as the ergochromes, cryptosporioptides and neosartorin. Such compounds exhibit a wide range of bioactivities and as such have been utilised in traditional medicine for centuries, as well as garnering more recent interest from the pharmaceutical sector. Additional interest comes from industries such as textiles and cosmetics due to their use as natural colourants. A variety of biosynthetic routes and mechanisms have been proposed for this family of compounds, being altered and updated as new biosynthetic methods develop and new results emerge. After nearly 100 years of such research, this review aims to provide a comprehensive overview of what is currently known about the biosynthesis of this important family, amalgamating the early chemical and biosynthetic studies with the more recent genetics-based advances and comparative bioinformatics.
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Affiliation(s)
| | - Thomas J Simpson
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
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2
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Gribble GW. Naturally Occurring Organohalogen Compounds-A Comprehensive Review. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 121:1-546. [PMID: 37488466 DOI: 10.1007/978-3-031-26629-4_1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
The present volume is the third in a trilogy that documents naturally occurring organohalogen compounds, bringing the total number-from fewer than 25 in 1968-to approximately 8000 compounds to date. Nearly all of these natural products contain chlorine or bromine, with a few containing iodine and, fewer still, fluorine. Produced by ubiquitous marine (algae, sponges, corals, bryozoa, nudibranchs, fungi, bacteria) and terrestrial organisms (plants, fungi, bacteria, insects, higher animals) and universal abiotic processes (volcanos, forest fires, geothermal events), organohalogens pervade the global ecosystem. Newly identified extraterrestrial sources are also documented. In addition to chemical structures, biological activity, biohalogenation, biodegradation, natural function, and future outlook are presented.
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Affiliation(s)
- Gordon W Gribble
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA.
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3
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Pestalotiopsis Diversity: Species, Dispositions, Secondary Metabolites, and Bioactivities. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27228088. [PMID: 36432188 PMCID: PMC9695833 DOI: 10.3390/molecules27228088] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/23/2022] [Accepted: 10/29/2022] [Indexed: 11/23/2022]
Abstract
Pestalotiopsis species have gained attention thanks to their structurally complex and biologically active secondary metabolites. In past decades, several new secondary metabolites were isolated and identified. Their bioactivities were tested, including anticancer, antifungal, antibacterial, and nematicidal activity. Since the previous review published in 2014, new secondary metabolites were isolated and identified from Pestalotiopsis species and unidentified strains. This review gathered published articles from 2014 to 2021 and focused on 239 new secondary metabolites and their bioactivities. To date, 384 Pestalotiopsis species have been discovered in diverse ecological habitats, with the majority of them unstudied. Some may contain secondary metabolites with unique bioactivities that might benefit pharmacology.
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4
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Total Syntheses of Chloropupukeananin and Its Related Natural Products. ORGANICS 2022. [DOI: 10.3390/org3030023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Chloropupukeananin is a natural product that inhibits HIV-1 replication and has antitumor activity. Its structure consists of a chlorinated tricyclo[4.3.1.03,7]decane core skeleton with an array of highly oxidized multifunctional groups. In the biosynthesis of chloropupukeananin, (+)-iso-A82775C and (−)-maldoxin are employed as biosynthetic precursors for the intermolecular Diels–Alder and carbonyl–ene reactions, followed by the migration of the p-orcellinate group. Chloropupukeanolides and chloropestolides are intermediates and isomers in biosynthesis; their unique chemical structures and biosynthetic pathways have attracted significant attention from synthetic chemists. In this review, I present the synthetic studies on chloropupukeananin and its related compounds that have been conducted thus far.
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5
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Zhang WF, Ma JK, Zhang XX, Qian YN, Xu J. Immunosuppressive Polyketides from the Mangrove Endophytic Fungus Pestalotiopsis sp. HHL-14. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03568-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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6
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Suzuki T, Watanabe S, Ikeda W, Kobayashi S, Tanino K. Biomimetic Total Syntheses of (+)-Chloropupukeananin, (-)-Chloropupukeanolide D, and Chloropestolides. J Org Chem 2021; 86:15597-15605. [PMID: 34672579 DOI: 10.1021/acs.joc.1c02108] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chloropupukeananin, chloropupukeanolides, and chloropestolides are a family of structurally complex bioactive natural products that possess highly functionalized tricyclo[4.3.1.03,7]decane or bicyclo[2.2.2]octane skeletons. Biosynthesis of the chloropupukeananin family is triggered by the intermolecular heterodimeric Diels-Alder reaction between maldoxin and iso-A82775C; however, the enzymes involved have not yet been identified. We herein report the one-pot biomimetic synthesis of chloropupukeananin and chloropupukeanolide D. Moreover, the effect of the solvent on the intermolecular Diels-Alder reaction of siccayne and maldoxin suggested that the biosynthesis of the chloropupukeananin family involves a Diels-Alderase-catalyzed heterodimeric Diels-Alder reaction.
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Affiliation(s)
- Takahiro Suzuki
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Hokkaido, Japan
| | - Soichiro Watanabe
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0810, Hokkaido, Japan
| | - Wataru Ikeda
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0810, Hokkaido, Japan
| | - Susumu Kobayashi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda 278-8510, Chiba, Japan
| | - Keiji Tanino
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Hokkaido, Japan
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7
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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: 74] [Impact Index Per Article: 24.7] [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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8
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Alonso JM, Almendros P. Deciphering the Chameleonic Chemistry of Allenols: Breaking the Taboo of a Onetime Esoteric Functionality. Chem Rev 2021; 121:4193-4252. [PMID: 33630581 PMCID: PMC8479864 DOI: 10.1021/acs.chemrev.0c00986] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Indexed: 12/19/2022]
Abstract
The allene functionality has participated in one of the most exciting voyages in organic chemistry, from chemical curiosities to a recurring building block in modern organic chemistry. In the last decades, a special kind of allene, namely, allenol, has emerged. Allenols, formed by an allene moiety and a hydroxyl functional group with diverse connectivity, have become common building blocks for the synthesis of a wide range of structures and frequent motif in naturally occurring systems. The synergistic effect of the allene and hydroxyl functional groups enables allenols to be considered as a unique and sole functionality exhibiting a special reactivity. This Review summarizes the most significant contributions to the chemistry of allenols that appeared during the past decade, with emphasis on their synthesis, reactivity, and occurrence in natural products.
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Affiliation(s)
- José M. Alonso
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Pedro Almendros
- Instituto
de Química Orgánica General, IQOG-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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9
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Zhao C, Liu G, Liu X, Zhang L, Li L, Liu L. Pycnidiophorones A–D, four new cytochalasans from the wetland derived fungus Pycnidiophora dispersa. RSC Adv 2020; 10:40384-40390. [PMID: 35520825 PMCID: PMC9057502 DOI: 10.1039/d0ra08072a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/29/2020] [Indexed: 11/29/2022] Open
Abstract
Pycnidiophorones A–D (1–4), four new cytochalasans with a rare 5/6/6/5/6 pentacyclic skeleton incorporating the unique 12-oxatricyclo[6.3.1.02,7]dodecane core, and six known depsidones (5–10) were isolated from cultures of the wetland-soil-derived fungus Pycnidiophora dispersa. Their chemical structures were unambiguously determined using NMR spectroscopic data. The absolute configurations of 1 and 3 were assigned by electronic circular dichroism (ECD) calculations. Compounds 1–10 showed moderate cytotoxicity against a panel of five human tumor cell lines. Four new 5/6/6/5/6 pentacyclic cytochalasan pycnidiophorones A–D (1–4) and six known depsidones were identified from the wetland-soil-derived fungus Pycnidiophora dispersa.![]()
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Affiliation(s)
- Chen Zhao
- Department of Pharmacy
- Xuanwu Hospital of Capital Medical University
- National Clinical Research Center for Geriatric Diseases
- Beijing Engineering Research Center for Nervous System Drugs
- Beijing Institute for Brain Disorders
| | - Gaoran Liu
- State Key Laboratory of Mycology
- Institute of Microbiology
- Chinese Academy of Sciences
- Beijing 100101
- People's Republic of China
| | - Xingzhong Liu
- State Key Laboratory of Mycology
- Institute of Microbiology
- Chinese Academy of Sciences
- Beijing 100101
- People's Republic of China
| | - Lan Zhang
- Department of Pharmacy
- Xuanwu Hospital of Capital Medical University
- National Clinical Research Center for Geriatric Diseases
- Beijing Engineering Research Center for Nervous System Drugs
- Beijing Institute for Brain Disorders
| | - Lin Li
- Department of Pharmacy
- Xuanwu Hospital of Capital Medical University
- National Clinical Research Center for Geriatric Diseases
- Beijing Engineering Research Center for Nervous System Drugs
- Beijing Institute for Brain Disorders
| | - Ling Liu
- State Key Laboratory of Mycology
- Institute of Microbiology
- Chinese Academy of Sciences
- Beijing 100101
- People's Republic of China
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10
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Helaly SE, Thongbai B, Stadler M. Diversity of biologically active secondary metabolites from endophytic and saprotrophic fungi of the ascomycete order Xylariales. Nat Prod Rep 2019; 35:992-1014. [PMID: 29774351 DOI: 10.1039/c8np00010g] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Covering: up to December 2017 The diversity of secondary metabolites in the fungal order Xylariales is reviewed with special emphasis on correlations between chemical diversity and biodiversity as inferred from recent taxonomic and phylogenetic studies. The Xylariales are arguably among the predominant fungal endophytes, which are the producer organisms of pharmaceutical lead compounds including the antimycotic sordarins and the antiparasitic nodulisporic acids, as well as the marketed drug, emodepside. Many Xylariales are "macromycetes", which form conspicuous fruiting bodies (stromata), and the metabolite profiles that are predominant in the stromata are often complementary to those encountered in corresponding mycelial cultures of a given species. Secondary metabolite profiles have recently been proven highly informative as additional parameters to support classical morphology and molecular phylogenetic approaches in order to reconstruct evolutionary relationships among these fungi. Even the recent taxonomic rearrangement of the Xylariales has been relying on such approaches, since certain groups of metabolites seem to have significance at the species, genus or family level, respectively, while others are only produced in certain taxa and their production is highly dependent on the culture conditions. The vast metabolic diversity that may be encountered in a single species or strain is illustrated based on examples like Daldinia eschscholtzii, Hypoxylon rickii, and Pestalotiopsis fici. In the future, it appears feasible to increase our knowledge of secondary metabolite diversity by embarking on certain genera that have so far been neglected, as well as by studying the volatile secondary metabolites more intensively. Methods of bioinformatics, phylogenomics and transcriptomics, which have been developed to study other fungi, are readily available for use in such scenarios.
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Affiliation(s)
- Soleiman E Helaly
- Dept Microbial Drugs, Helmholtz Centre for Infection Research, Inhoffenstr. 7, 38124 Braunschweig, Germany.
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11
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Rao L, You YX, Su Y, Liu Y, He Q, Fan Y, Hu F, Xu YK, Zhang CR. Two spiroketal derivatives with an unprecedented amino group and their cytotoxicity evaluation from the endophytic fungus Pestalotiopsis flavidula. Fitoterapia 2019; 135:5-8. [PMID: 30914329 DOI: 10.1016/j.fitote.2019.03.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 03/18/2019] [Accepted: 03/22/2019] [Indexed: 12/17/2022]
Abstract
Two new spiroketal derivatives with an unprecedented amino group, 2'-aminodechloromaldoxin (1) and 2'-aminodechlorogeodoxin (2), along with one known analogue dechloromaldoxin (3), were isolated from the plant endophytic fungus Pestalotiopsis flavidula. Their structures were elucidated on the basis of extensive spectroscopic analysis. The purification was cytotoxicity-guided which indicated the extract, fractions and compounds were evaluated in vitro for anti-proliferative activity against a panel of human cancer cell lines. The results showed compounds 1 and 2 with moderate cytotoxicity while 3 was inactive, which suggested -NH2 group might play a very important role for their cytotoxicity. This is the first study for P. flavidula and the first time to report the spiroketal derivatives as alkaloids from the Pestalotiopsis genus.
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Affiliation(s)
- Li Rao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yun-Xia You
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yu Su
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yu Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Qian He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Yue Fan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Feng Hu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - You-Kai Xu
- Key Laboratory of Tropical Plant Resource and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan 666303, China
| | - Chuan-Rui Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, and Tumour Targeted Therapy and Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China.
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12
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Salendra L, Luo X, Lin X, Wang J, Yang B, Zhou X, Liu Y. Versispiroketal A, an unusual tetracyclic bridged spiroketal from the sponge-associated fungus Aspergillus versicolor SCSIO 41013. Org Biomol Chem 2019; 17:2182-2186. [DOI: 10.1039/c9ob00110g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Versispiroketal A (1), an unprecedented 6/5/5/6 tetracyclic polyketide featuring a rarely encountered bridge-fused spiroketal skeleton, was isolated from the sponge-associated fungus Aspergillus versicolor SCSIO 41013.
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Affiliation(s)
- Limbadri Salendra
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Xiaowei Luo
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Xiuping Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Junfeng Wang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Bin Yang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Xuefeng Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica
- South China Sea Institute of Oceanology
- Chinese Academy of Sciences
- Guangzhou 510301
- China
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13
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Zhou S, Zhang P, Zhou H, Liu X, Li SM, Guo L, Li K, Yin WB. A new regulator RsdA mediating fungal secondary metabolism has a detrimental impact on asexual development in Pestalotiopsis fici. Environ Microbiol 2018; 21:416-426. [PMID: 30421486 DOI: 10.1111/1462-2920.14473] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 10/26/2018] [Accepted: 11/04/2018] [Indexed: 12/20/2022]
Abstract
Secondary metabolite (SM) production and development are correlated processes in fungi that are often coordinated by pleiotropic regulators. The eukaryotic regulators are critical players in mediating SM production related to fungal development, yet little data are available to support this hypothesis. In this study, a global regulator, RsdA (regulation of secondary metabolism and development), was identified through genome-wide analysis and deletion of the regulator gene in the endophytic fungus Pestalotiopsis fici. Here, we established that RsdA regulation of SMs is accompanied by the repression of asexual development. Deletion of rsdA significantly reduces not only asexual development, resulting in low sporulation and abnormal conidia, but also the major SM production, while remarkably increasing the melanin production. Overproduction of melanin leads to the formation of unusual, heavily pigmented hyphae. Transcriptome analysis data provide the evidence that RsdA globally regulates genes involved in secondary metabolism and asexual development. Double deletion of rsdA and the melanin polyketide synthase gene PfmaE confirm that RsdA regulation of asexual development is independent of the melanin biosynthetic pathway. Finally, our results demonstrate that RsdA can be used for the discovery of secondary metabolites in filamentous fungi.
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Affiliation(s)
- Shuang Zhou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Peng Zhang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Haichuan Zhou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Xingzhong Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Shu-Ming Li
- Institut für Pharmazeutische Biologie und Biotechnologie, Philipps-Universität Marburg, Robert-Koch-Straße 4, 35037, Marburg, Germany
| | - Liangdong Guo
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Kuan Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Wen-Bing Yin
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.,Savaid Medical School, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
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14
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Tanney JB, Renaud JB, Miller JD, McMullin DR. New 1,3-benzodioxin-4-ones from Synnemapestaloides ericacearum sp. nov., a biosynthetic link to remarkable compounds within the Xylariales. PLoS One 2018; 13:e0198321. [PMID: 29949590 PMCID: PMC6021072 DOI: 10.1371/journal.pone.0198321] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 05/12/2018] [Indexed: 01/06/2023] Open
Abstract
Surveys of foliar endophytes from the Acadian forest region over the past three decades have identified numerous phylogenetically diverse fungi producing natural products toxic to forest pests and diseases. The life histories of some conifer endophytes can be restricted to plant foliage or may include saprotrophic phases on other plants tissues or even alternate hosts. Considering the potentially broad host preferences of conifer endophytes we explored fungi isolated from understory species and their metabolites as part of an ongoing investigation of fungal biodiversity from the Acadian forest. We report a hitherto unidentified Xylariomycetidae species isolated from symptomatic Labrador tea (Rhododendron groenlandicum) leaves and mountain laurel (Kalmia latifolia) collected in coastal southern New Brunswick, Canada. Morphological and phylogenetic evidence demonstrated the unknown species was a novel Synnemapestaloides (Sporocadaceae) species, described here as Syn. ericacearum. A preliminary screening assay indicated that the culture filtrate extract of the new species was potently antifungal towards the biotrophic pathogen Microbotryum violaceum, warranting an investigation of its natural products. Two natural products possessing a rare 1,3-benzodioxin-4-one scaffold, synnemadoxins A-B (1-2), and their postulated precursor, synnemadiacid A (3), were characterized as new structures and assessed for antimicrobial activity. All isolated compounds elicited in vitro inhibitory antifungal activity towards M. violaceum at 2.3 μg mL-1 and moderate antibiotic activity. Further, the characterization of synnemadoxins A-B provided a perspective on the biosynthesis of some related 1,3-benzodioxin-4-ones produced by other fungi within the Xylariales.
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Affiliation(s)
- Joey B. Tanney
- Department of Biology, Carleton University, Ottawa, Ontario, Canada
| | - Justin B. Renaud
- London Research and Development Centre, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - J. David Miller
- Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
| | - David R. McMullin
- Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
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15
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Suzuki T, Watanabe S, Uyanik M, Ishihara K, Kobayashi S, Tanino K. Asymmetric Total Synthesis of (−)-Maldoxin, a Common Biosynthetic Ancestor of the Chloropupukeananin Family. Org Lett 2018; 20:3919-3922. [DOI: 10.1021/acs.orglett.8b01502] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Takahiro Suzuki
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0816 Hokkaido, Japan
| | - Soichiro Watanabe
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo, 060-0816 Hokkaido, Japan
| | - Muhammet Uyanik
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Susumu Kobayashi
- Faculty of Pharmaceutical Sciences, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Keiji Tanino
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0816 Hokkaido, Japan
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16
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Suzuki T. Enantioselective Total Synthesis of (+)-Iso-A82775C. J SYN ORG CHEM JPN 2018. [DOI: 10.5059/yukigoseikyokaishi.76.462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Takahiro Suzuki
- Department of Chemistry, Faculty of Science, Hokkaido University
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17
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Pan Y, Liu L, Guan F, Li E, Jin J, Li J, Che Y, Liu G. Characterization of a Prenyltransferase for Iso-A82775C Biosynthesis and Generation of New Congeners of Chloropestolides. ACS Chem Biol 2018; 13:703-711. [PMID: 29384350 DOI: 10.1021/acschembio.7b01059] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chloropupukeananin and chloropestolides are novel metabolites of the plant endophyte Pestalotiopsis fici, showing antimicrobial, antitumor, and anti-HIV activities. Their highly complex and unique skeletons were generated from the coisolated pestheic acid (1) and iso-A82775C (10) based on our previous studies. Here, we identified the biosynthetic gene cluster iac of 10 and characterized an iacE encoded prenyltransferase. Deletion of iacE abolished iso-A82775C production, accumulated the prenyl group-lacking siccayne (2), and generated four new chloropestolides (3-6). Compounds 5 and 6 showed antibacterial effects against Staphylococcus aureus and Bacillus subtilis, and 5 was also cytotoxic to human tumor cell lines HeLa, MCF-7, and SW480. These results provided the first genetic and biochemical insights into the biosynthesis of natural prenylepoxycyclohexanes and demonstrated the feasibility for generation of diversified congeners by manipulating the biosynthetic genes of 10.
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Affiliation(s)
- Yuanyuan Pan
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ling Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Feifei Guan
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Erwei Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jin Jin
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Nankai University, Tianjin 300350, China
| | - Jinyang Li
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yongsheng Che
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy, Nankai University, Tianjin 300350, China
| | - Gang Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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18
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Abstract
Filamentous fungi produce a wide variety of secondary metabolites, which are recognized as a rich source of biomolecules with potential medicinal applications. According to chemical structures and biosynthetic pathways, secondary metabolites are mainly divided into four groups, including polyketide, nonribosomal peptides, alkaloids, and terpenes. Owing to their special living environment, plant endophytic fungi potentially produce many bioactive metabolites with diverse structural features. Some of these metabolites have been demonstrated to hold pharmaceutical and ecological significance. In order to identify bioactive compounds, different methods have been developed to isolate secondary metabolites from plant endophytic fungi. In this chapter, we describe the procedures for fungal fermentation, metabolite extraction, and analysis using high-performance liquid chromatography (HPLC). The endophytic fungus Pestalotiopsis fici, which was isolated from the healthy branches of Camellia sinensis (Theaceae), produces 88 secondary metabolites including 70 new natural products. Combining 74 secondary metabolite clusters revealed by genome sequencing analysis, P. fici is used as an example for analysis of secondary metabolites. The procedures could also be adopted for other fungi after small modifications.
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Affiliation(s)
- Jiajia Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Gang Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
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Lei H, Lin X, Han L, Ma J, Dong K, Wang X, Zhong J, Mu Y, Liu Y, Huang X. Polyketide derivatives from a marine-sponge-associated fungus Pestalotiopsis heterocornis. PHYTOCHEMISTRY 2017; 142:51-59. [PMID: 28675830 DOI: 10.1016/j.phytochem.2017.06.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 06/08/2017] [Accepted: 06/19/2017] [Indexed: 06/07/2023]
Abstract
Twelve previously undescribed polyketide derivatives, heterocornols A-L, and seven known analogues were isolated from a culture of the fungus Pestalotiopsis heterocornis associated with sponge. Their structures were elucidated by a comprehensive spectroscopic data analysis and CD Cotton effects. These compounds were evaluated for cytotoxic and antibacterial activities in vitro. Among them, heterocornols A-C, F-H, methyl-(2-formyl-3-hydroxyphenyl)propanoate, agropyrenol, and vaccinol G exhibited cytotoxicities against four human cancer cell lines with IC50 values 15-100 μM, and they also showed antibacterial activities against Gram-positive bacteria Staphylococcus aureus and Bacillus subtilis with MIC values ranging from 25 to 100 μg/mL. Moreover, compounds heterocornol C, heterocornol G, agropyrenol, and vaccinol G showed weak antifungal activities against Candida parapsilosis and Cryptococcus neoformans with MIC values 100 μg/mL.
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Affiliation(s)
- Hui Lei
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Xiuping Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, PR China
| | - Li Han
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China.
| | - Jian Ma
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Kailin Dong
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Xingbo Wang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Jialiang Zhong
- Shanghai Institute of Pharmaceutical Industry, Shanghai 201203, PR China
| | - Yu Mu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, PR China
| | - Xueshi Huang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China.
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20
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Lei H, Lin X, Han L, Ma J, Ma Q, Zhong J, Liu Y, Sun T, Wang J, Huang X. New Metabolites and Bioactive Chlorinated Benzophenone Derivatives Produced by a Marine-Derived Fungus Pestalotiopsis heterocornis. Mar Drugs 2017; 15:E69. [PMID: 28335391 PMCID: PMC5367026 DOI: 10.3390/md15030069] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 02/19/2017] [Accepted: 03/03/2017] [Indexed: 01/06/2023] Open
Abstract
Four new compounds, including two isocoumarins, pestaloisocoumarins A and B (1, 2), one sesquiterpenoid degradation, isopolisin B (4), and one furan derivative, pestalotiol A (5), together with one known isocoumarin, gamahorin (3), and three chlorinated benzophenone derivatives, pestalachloride B (6), pestalachloride E (7) and a mixture of pestalalactone atropisomers (8a/8b), were isolated from a culture of the fungus Pestalotiopsis heterocornis associated with sponge Phakellia fusca. These new chemical structures were established using NMR and MS spectroscopic data, as well as single-crystal X-ray crystallographic analysis and CD Cotton effects. All of the isolated compounds were evaluated for their antimicrobial and cytotoxic activities. Isocoumarins 1-3, showed antibacterial activities against Gram-positive bacteria Staphylococcus aureus and Bacillus subtilis with MIC values ranging from 25 to 100 μg/mL and weak antifungal activities. Chlorinated benzophenone derivatives 6-8 exhibited antibacterial activities against S. aureus and B. subtilis with MIC values ranging from 3.0 to 50 μg/mL and cytotoxicities against four human cancer cell lines with IC50 values of 6.8-87.8 μM.
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Affiliation(s)
- Hui Lei
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, China.
| | - Xiuping Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
| | - Li Han
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, China.
| | - Jian Ma
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, China.
| | - Qingjuan Ma
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, China.
| | - Jialiang Zhong
- Shanghai Institute of Pharmaceutical Industry, Shanghai 201203, China.
| | - Yonghong Liu
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, RNAM Center for Marine Microbiology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.
| | - Tiemin Sun
- Key Laboratory of Structure-Based Drug Design and Discovery, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Jinhui Wang
- Key Laboratory of Structure-Based Drug Design and Discovery, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Xueshi Huang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, China.
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21
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Suzuki T, Watanabe S, Kobayashi S, Tanino K. Enantioselective Total Synthesis of (+)-Iso-A82775C, a Proposed Biosynthetic Precursor of Chloropupukeananin. Org Lett 2017; 19:922-925. [DOI: 10.1021/acs.orglett.7b00085] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Takahiro Suzuki
- Department
of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
- Faculty
of Pharmaceutical Sciences, Tokyo University of Science, Noda-shi, Chiba 278-8525, Japan
| | - Soichiro Watanabe
- Graduate
School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-0810, Japan
| | - Susumu Kobayashi
- Faculty
of Pharmaceutical Sciences, Tokyo University of Science, Noda-shi, Chiba 278-8525, Japan
| | - Keiji Tanino
- Department
of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan
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22
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Zhang S, Wang XN, Zhang XL, Liu XZ, Zhang YJ. Complete mitochondrial genome of the endophytic fungus Pestalotiopsis fici: features and evolution. Appl Microbiol Biotechnol 2017; 101:1593-1604. [DOI: 10.1007/s00253-017-8112-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/11/2016] [Accepted: 12/28/2016] [Indexed: 11/25/2022]
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23
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Liu L, Han Y, Xiao J, Li L, Guo L, Jiang X, Kong L, Che Y. Chlorotheolides A and B, Spiroketals Generated via Diels-Alder Reactions in the Endophytic Fungus Pestalotiopsis theae. JOURNAL OF NATURAL PRODUCTS 2016; 79:2616-2623. [PMID: 27731995 DOI: 10.1021/acs.jnatprod.6b00550] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Chlorotheolides A (1) and B (2), two new spiroketals possessing the unique [4,7]methanochromene and dispiro-trione skeletons, respectively, and their putative biosynthetic precursors, 1-undecen-2,3-dicarboxylic acid (3) and maldoxin (4), were isolated from the solid substrate fermentation of the plant endophytic fungus Pestalotiopsis theae (N635). Their structures were elucidated based on NMR spectroscopic data and electronic circular dichroism calculations. Biogenetically, compounds 1 and 2 could be generated from the co-isolated 3 and 4 via Diels-Alder reactions. Chlorotheolide (2) showed an antiproliferative effect against the human tumor cell line HeLa and induced an autophagic process in the cells.
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Affiliation(s)
- Ling Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences , Beijing 100101, People's Republic of China
| | - Yu Han
- State Key Laboratory of Toxicology & Medical Countermeasures, Beijing Institute of Pharmacology & Toxicology , Beijing 100850, People's Republic of China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, People's Republic of China
| | - Junhai Xiao
- State Key Laboratory of Toxicology & Medical Countermeasures, Beijing Institute of Pharmacology & Toxicology , Beijing 100850, People's Republic of China
| | - Li Li
- Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Liangdong Guo
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences , Beijing 100101, People's Republic of China
| | - Xuejun Jiang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences , Beijing 100101, People's Republic of China
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines, China Pharmaceutical University , Nanjing 210009, People's Republic of China
| | - Yongsheng Che
- State Key Laboratory of Toxicology & Medical Countermeasures, Beijing Institute of Pharmacology & Toxicology , Beijing 100850, People's Republic of China
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24
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Liu J, Bedell TA, West JG, Sorensen EJ. Design and Synthesis of Molecular Scaffolds with Anti-infective Activity. Tetrahedron 2016; 72:3579-3592. [PMID: 27284210 PMCID: PMC4894353 DOI: 10.1016/j.tet.2016.01.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
| | - T. Aaron Bedell
- Department of Chemistry, Princeton University, Frick Chemical Laboratory, Princeton, New Jersey 08544, USA
| | - Julian G. West
- Department of Chemistry, Princeton University, Frick Chemical Laboratory, Princeton, New Jersey 08544, USA
| | - Erik J. Sorensen
- Department of Chemistry, Princeton University, Frick Chemical Laboratory, Princeton, New Jersey 08544, USA
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25
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Wu G, Zhou H, Zhang P, Wang X, Li W, Zhang W, Liu X, Liu HW, Keller NP, An Z, Yin WB. Polyketide Production of Pestaloficiols and Macrodiolide Ficiolides Revealed by Manipulations of Epigenetic Regulators in an Endophytic Fungus. Org Lett 2016; 18:1832-5. [DOI: 10.1021/acs.orglett.6b00562] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Guangwei Wu
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Haichuan Zhou
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Peng Zhang
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiuna Wang
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Wei Li
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Weiwei Zhang
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xingzhong Liu
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Hong-Wei Liu
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Nancy P. Keller
- Department
of Medical Microbiology and Immunology, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Zhiqiang An
- Texas
Therapeutics Institute, the Brown Foundation Institute of Molecular
Medicine, University of Texas Health Science Center at Houston, Houston, Texas 77030, United States
| | - Wen-Bing Yin
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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26
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Georgopanou E, Martini KI, Pantazis P, Pelagias P, Voulgari P, Hadjiarapoglou LP. Diels-Alder Cycloadditions of Masked o-Benzoquinones with Alkenes. J Org Chem 2015; 80:9682-90. [PMID: 26348393 DOI: 10.1021/acs.joc.5b01755] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Diels-Alder cycloadditions of 3-oxobut-1-enyl substituted orthoquinone monoketals with olefinic dienophiles furnished functionalized ortho-endo bicyclo[2.2.2]octenone derivatives with high regio- and stereoselectivities. The competition between self-dimerization and Diels-Alder cycloaddition with an external dienophile usually exists, except in the case of 5-substituted orthoquinone monoketal.
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Affiliation(s)
- Effie Georgopanou
- Department of Chemistry, University of Ioannina , GR-45110 Ioannina, Greece
| | | | | | - Paulos Pelagias
- Department of Chemistry, University of Ioannina , GR-45110 Ioannina, Greece
| | - Penelope Voulgari
- Department of Chemistry, University of Ioannina , GR-45110 Ioannina, Greece
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27
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New Bergamotane Sesquiterpenoids from the Plant Endophytic Fungus Paraconiothyrium brasiliense. Molecules 2015; 20:14611-20. [PMID: 26274948 PMCID: PMC6332149 DOI: 10.3390/molecules200814611] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 07/29/2015] [Accepted: 07/30/2015] [Indexed: 11/18/2022] Open
Abstract
Brasilamides K-N (1–4), four new bergamotane sesquiterpenoids; with 4-oxatricyclo (3.3.1.0 2,7)nonane (1)and 9-oxatricyclo(4.3.0.0 4,7)nonane (2–4) skeletons; were isolated from the scale-up fermentation cultures of the plant endophytic fungus Paraconiothynium brasiliense Verkley. The previously identified sesquiterpenoids brasilamides A and C (5 and 6) were also reisolated in the current work. The structures of 1–4 were elucidated primarily by interpretation of NMR spectroscopic data. The absolute configurations of 1–3 were deduced by analogy to the co-isolated metabolites 5 and 6; whereas that of C-12 in 4 was assigned using the modified Mosher method. The cytotoxicity of all compounds against a panel of eight human tumor cell lines were assayed.
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28
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Zhao S, Chen S, Wang B, Niu S, Wu W, Guo L, Che Y. Four new tetramic acid and one new furanone derivatives from the plant endophytic fungus Neopestalotiopsis sp. Fitoterapia 2015; 103:106-12. [DOI: 10.1016/j.fitote.2015.03.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 03/20/2015] [Accepted: 03/22/2015] [Indexed: 10/23/2022]
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29
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Zhang RW. Editorial: Cutting-edge publications impacting sciences: beyond natural medicines. Chin J Nat Med 2015; 13:161-2. [PMID: 25835360 DOI: 10.1016/s1875-5364(15)30001-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Indexed: 10/23/2022]
Affiliation(s)
- Rui-Wen Zhang
- Associate Editor in Chief, Chinese Journal of Natural Medicines, Nanjing 210009, China; Department of Pharmaceutical Sciences, School of Pharmacy, Texas Tech University Health Sciences Center, Amarillo, TX 79106, USA.
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30
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Wang X, Zhang X, Liu L, Xiang M, Wang W, Sun X, Che Y, Guo L, Liu G, Guo L, Wang C, Yin WB, Stadler M, Zhang X, Liu X. Genomic and transcriptomic analysis of the endophytic fungus Pestalotiopsis fici reveals its lifestyle and high potential for synthesis of natural products. BMC Genomics 2015; 16:28. [PMID: 25623211 PMCID: PMC4320822 DOI: 10.1186/s12864-014-1190-9] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 12/22/2014] [Indexed: 11/17/2022] Open
Abstract
Background In recent years, the genus Pestalotiopsis is receiving increasing attention, not only because of its economic impact as a plant pathogen but also as a commonly isolated endophyte which is an important source of bioactive natural products. Pestalotiopsis fici Steyaert W106-1/CGMCC3.15140 as an endophyte of tea produces numerous novel secondary metabolites, including chloropupukeananin, a derivative of chlorinated pupukeanane that is first discovered in fungi. Some of them might be important as the drug leads for future pharmaceutics. Results Here, we report the genome sequence of the endophytic fungus of tea Pestalotiopsis fici W106-1/CGMCC3.15140. The abundant carbohydrate-active enzymes especially significantly expanding pectinases allow the fungus to utilize the limited intercellular nutrients within the host plants, suggesting adaptation of the fungus to endophytic lifestyle. The P. fici genome encodes a rich set of secondary metabolite synthesis genes, including 27 polyketide synthases (PKSs), 12 non-ribosomal peptide synthases (NRPSs), five dimethylallyl tryptophan synthases, four putative PKS-like enzymes, 15 putative NRPS-like enzymes, 15 terpenoid synthases, seven terpenoid cyclases, seven fatty-acid synthases, and five hybrids of PKS-NRPS. The majority of these core enzymes distributed into 74 secondary metabolite clusters. The putative Diels-Alderase genes have undergone expansion. Conclusion The significant expansion of pectinase encoding genes provides essential insight in the life strategy of endophytes, and richness of gene clusters for secondary metabolites reveals high potential of natural products of endophytic fungi. Electronic supplementary material The online version of this article (doi:10.1186/s12864-014-1190-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Xiuna Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China. .,Department of Plant Pathology, China Agricultural University, Beijing, China.
| | - Xiaoling Zhang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Ling Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Meichun Xiang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Wenzhao Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Xiang Sun
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Yongsheng Che
- Department of Natural Products Chemistry, Beijing Institute of Pharmacology & Toxicology, Beijing, China.
| | - Liangdong Guo
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Gang Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Liyun Guo
- Department of Plant Pathology, China Agricultural University, Beijing, China.
| | - Chengshu Wang
- Key Laboratory of Insect Development and Evolutionary Biology, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.
| | - Wen-Bing Yin
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Marc Stadler
- Department Microbial Drugs, Helmholtz Centre for Infection Research, Braunschweig, Germany.
| | - Xinyu Zhang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
| | - Xingzhong Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.
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31
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Liu L, Zhao C, Li L, Guo L, Che Y. Pestalotriols A and B, new spiro[2.5]octane derivatives from the endophytic fungus Pestalotiopsis fici. RSC Adv 2015. [DOI: 10.1039/c5ra14009a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The endophytic fungus Pestalotiopsis fici produced pestalotriols A (1) and B (2) possessing the unique spiro[2.5]octane skeleton.
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Affiliation(s)
- Ling Liu
- State Key Laboratory of Mycology
- Institute of Microbiology
- Chinese Academy of Sciences
- Beijing 100101
- P. R. China
| | - Chen Zhao
- State Key Laboratory of Toxicology & Medical Countermeasures
- Beijing Institute of Pharmacology & Toxicology
- Beijing 100850
- P. R. China
| | - Li Li
- Institute of Materia Medica
- Chinese Academy of Medical Sciences & Peking Union Medical College
- Beijing 100050
- P. R. China
| | - Liangdong Guo
- State Key Laboratory of Mycology
- Institute of Microbiology
- Chinese Academy of Sciences
- Beijing 100101
- P. R. China
| | - Yongsheng Che
- State Key Laboratory of Toxicology & Medical Countermeasures
- Beijing Institute of Pharmacology & Toxicology
- Beijing 100850
- P. R. China
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Karad SN, Chung WK, Liu RS. Gold-catalyzed formal [4π+2π]-cycloadditions of tert-butyl propiolates with aldehydes and ketones to form 4H-1,3-dioxine derivatives. Chem Commun (Camb) 2015; 51:13004-7. [DOI: 10.1039/c5cc04538j] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel gold-catalyzed [4π+2π]-cycloadditions of tert-butyl propiolates with aldehydes and ketones have been developed to form 4H-1,3-dioxine derivatives.
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Affiliation(s)
| | - Wei-Kang Chung
- Department of Chemistry
- National Tsing Hua University101
- Hsinchu
- Taiwan
| | - Rai-Shung Liu
- Department of Chemistry
- National Tsing Hua University101
- Hsinchu
- Taiwan
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Chagas FO, Caraballo-Rodriguez AM, Pupo MT. Endophytic Fungi as a Source of Novel Metabolites. Fungal Biol 2015. [DOI: 10.1007/978-1-4939-2531-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
To date approximately 100 000 fungal species are known although far more than one million are expected. The variety of species and the diversity of their habitats, some of them less exploited, allow the conclusion that fungi continue to be a rich source of new metabolites. Besides the conventional fungal isolates, an increasing interest in endophytic and in marine-derived fungi has been noticed. In addition new screening strategies based on innovative chemical, biological, and genetic approaches have led to novel fungal metabolites in recent years. The present review focuses on new fungal natural products published from 2009 to 2013 highlighting the originality of the structures and their biological potential. Furthermore synthetic products based on fungal metabolites as well as new developments in the uses or the biological activity of known compounds or new derivatives are discussed.
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Affiliation(s)
- Anja Schueffler
- Institut für Biotechnologie und Wirkstoff-Forschung (Institute of Biotechnology and Drug Research), Erwin-Schroedinger-Str. 56, 67663 Kaiserslautern, Germany.
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Yang XL, Huang L, Ruan XL. Epigenetic modifiers alter the secondary metabolite composition of a plant endophytic fungus, Pestalotiopsis crassiuscula obtained from the leaves of Fragaria chiloensis. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2014; 16:412-417. [PMID: 24498889 DOI: 10.1080/10286020.2014.881356] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Accepted: 01/06/2014] [Indexed: 06/03/2023]
Abstract
The addition of the DNA methyltransferase inhibitor 500 μM 5-azacytidine to the culture medium of a plant endophytic fungus, Pestalotiopsis crassiuscula, obtained from the leaves of Fragaria chiloensis, dramatically altered the profiles of its metabolites and resulted in the isolation of one new coumarin (1), along with six known compounds (2-7). HPLC profiles revealed that only compounds 3, 4, and 7 belonged to the new induced secondary metabolites. The structures of all isolated compounds were elucidated on the basis of extensive analysis of NMR spectra.
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Affiliation(s)
- Xiao-Long Yang
- a College of Pharmaceutical Science, Hebei University , Baoding 071002 , China
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Liu WZ, Ma LY, Liu DS, Huang YL, Wang CH, Shi SS, Pan XH, Song XD, Zhu RX. Peniciketals A–C, New Spiroketals from Saline Soil Derived Penicillium raistrichii. Org Lett 2013; 16:90-3. [DOI: 10.1021/ol403076s] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Wei-Zhong Liu
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Li-Ying Ma
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - De-Sheng Liu
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Yu-Ling Huang
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Chun-Hua Wang
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Shou-Sen Shi
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Xiao-Hong Pan
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Xiao-Dong Song
- Pharmacy of College, Binzhou Medical College, Yantai 264003, People’s Republic of China
| | - Rong-Xiu Zhu
- Institute of
Theoretical Chemistry, School
of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, People’s Republic of China
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38
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Induced production of novel prenyldepside and coumarins in endophytic fungi Pestalotiopsis acaciae. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.08.054] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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