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Schäfer T, Haun F, Gressler M, Spiteller P, Hoffmeister D. Parallel Evolution of Asco- and Basidiomycete O-Prenyltransferases. JOURNAL OF NATURAL PRODUCTS 2024; 87:576-582. [PMID: 38231181 DOI: 10.1021/acs.jnatprod.3c01120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Prenyltransferases (PTs) are involved in the biosynthesis of a multitude of pharmaceutically and agriculturally important plant, bacterial, and fungal compounds. Although numerous prenylated compounds have been isolated from Basidiomycota (mushroom-forming fungi), knowledge of the PTs catalyzing the transfer reactions in this group of fungi is scarce. Here, we report the biochemical characterization of an O- and C-prenylating dimethylallyltryptophan synthase (DMATS)-like enzyme LpTyrPT from the scurfy deceiver Laccaria proxima. This PT transfers dimethylallyl moieties to l-tyrosine at the para-O position and to l-tryptophan at atom C-7 and represents the first basidiomycete l-tyrosine PT described so far. Phylogenetic analysis of PTs in fungi revealed that basidiomycete l-tyrosine PTs have evolved independently from their ascomycete counterparts and might represent the evolutionary origin of PTs acting on phenolic compounds in secondary metabolism.
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Affiliation(s)
- Tim Schäfer
- Institute of Pharmacy, Friedrich Schiller University, Winzerlaer Strasse 2, 07745 Jena, Germany
- Pharmaceutical Microbiology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Fabian Haun
- Institute of Pharmacy, Friedrich Schiller University, Winzerlaer Strasse 2, 07745 Jena, Germany
- Pharmaceutical Microbiology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Markus Gressler
- Institute of Pharmacy, Friedrich Schiller University, Winzerlaer Strasse 2, 07745 Jena, Germany
- Pharmaceutical Microbiology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Peter Spiteller
- Institute of Organic and Analytical Chemistry, University of Bremen, Leobener Straße 7, 28359 Bremen, Germany
| | - Dirk Hoffmeister
- Institute of Pharmacy, Friedrich Schiller University, Winzerlaer Strasse 2, 07745 Jena, Germany
- Pharmaceutical Microbiology, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Beutenbergstrasse 11a, 07745 Jena, Germany
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Felegyi K, Garádi Z, Studzińska-Sroka E, Papp V, Boldizsár I, Dancsó A, Béni S, Zalewski P, Ványolós A. Anticholinesterase and Antityrosinase Secondary Metabolites from the Fungus Xylobolus subpileatus. Molecules 2023; 29:213. [PMID: 38202796 PMCID: PMC10780293 DOI: 10.3390/molecules29010213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Xylobolus subpileatus is a widely distributed crust fungus reported from all continents except Antarctica, although considered a rare species in several European countries. Profound mycochemical analysis of the methanol extract of X. subpileatus resulted in the isolation of seven compounds (1-7). Among them, (3β,22E)-3-methoxy-ergosta-4,6,814,22-tetraene (1) is a new natural product, while the NMR assignment of its already known epimer (2) has been revised. In addition to a benzohydrofuran derivative fomannoxin (3), four ergostane-type triterpenes 4-7 were identified. The structure elucidation of the isolated metabolites was performed by one- and two-dimensional NMR and MS analysis. Compounds 2-7 as well as the chloroform, n-hexane, and methanol extracts of X. subpileatus were evaluated for their tyrosinase, acetylcholinesterase, and butyrylcholinesterase inhibitory properties. Among the examined compounds, only fomannoxin (3) displayed the antityrosinase property with 51% of inhibition, and the fungal steroids proved to be inactive. Regarding the potential acetylcholinesterase (AChE) inhibitory activity of the fungal extracts and metabolites, it was demonstrated that the chloroform extract and compounds 3-4 exerted noteworthy inhibitory activity, with 83.86 and 32.99%, respectively. The butyrylcholinesterase (BChE) inhibitory assay revealed that methanol and chloroform extracts, as well as compounds 3 and 4, exerted notable activity, while the rest of the compounds proved to be only weak enzyme inhibitors. Our study represents the first report on the chemical profile of basidiome of the wild-growing X. subpileatus, offering a thorough study on the isolation and structure determination of the most characteristic biologically active constituents of this species.
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Affiliation(s)
- Kristóf Felegyi
- Department of Pharmacognosy, Semmelweis University, 1085 Budapest, Hungary; (K.F.); (Z.G.); (I.B.); (S.B.)
| | - Zsófia Garádi
- Department of Pharmacognosy, Semmelweis University, 1085 Budapest, Hungary; (K.F.); (Z.G.); (I.B.); (S.B.)
- Directorate of Drug Substance Development, Egis Pharmaceuticals Plc., 1475 Budapest, Hungary
| | - Elżbieta Studzińska-Sroka
- Department of Pharmacognosy and Biomaterials, Poznan University of Medical Sciences, Rokietnicka 3 Str., 60-806 Poznan, Poland; (E.S.-S.); (P.Z.)
| | - Viktor Papp
- Department of Botany, Hungarian University of Agriculture and Life Sciences, 1118 Budapest, Hungary;
| | - Imre Boldizsár
- Department of Pharmacognosy, Semmelweis University, 1085 Budapest, Hungary; (K.F.); (Z.G.); (I.B.); (S.B.)
- Department of Plant Anatomy, Institute of Biology, Eötvös Loránd University, 1117 Budapest, Hungary
| | - András Dancsó
- Directorate of Drug Substance Development, Egis Pharmaceuticals Plc., 1475 Budapest, Hungary
| | - Szabolcs Béni
- Department of Pharmacognosy, Semmelweis University, 1085 Budapest, Hungary; (K.F.); (Z.G.); (I.B.); (S.B.)
- Department of Analytical Chemistry, Institute of Chemistry, Eötvös Loránd University, 1117 Budapest, Hungary
| | - Przemysław Zalewski
- Department of Pharmacognosy and Biomaterials, Poznan University of Medical Sciences, Rokietnicka 3 Str., 60-806 Poznan, Poland; (E.S.-S.); (P.Z.)
| | - Attila Ványolós
- Department of Pharmacognosy, Semmelweis University, 1085 Budapest, Hungary; (K.F.); (Z.G.); (I.B.); (S.B.)
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de Sá JDM, Kumla D, Dethoup T, Kijjoa A. Bioactive Compounds from Terrestrial and Marine-Derived Fungi of the Genus Neosartorya †. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27072351. [PMID: 35408769 PMCID: PMC9000665 DOI: 10.3390/molecules27072351] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 11/21/2022]
Abstract
Fungi comprise the second most species-rich organism group after that of insects. Recent estimates hypothesized that the currently reported fungal species range from 3.5 to 5.1 million types worldwide. Fungi can grow in a wide range of habitats, from the desert to the depths of the sea. Most develop in terrestrial environments, but several species live only in aquatic habitats, and some live in symbiotic relationships with plants, animals, or other fungi. Fungi have been proved to be a rich source of biologically active natural products, some of which are clinically important drugs such as the β-lactam antibiotics, penicillin and cephalosporin, the immunosuppressant, cyclosporine, and the cholesterol-lowering drugs, compactin and lovastatin. Given the estimates of fungal biodiversity, it is easy to perceive that only a small fraction of fungi worldwide have ever been investigated regarding the production of biologically valuable compounds. Traditionally, fungi are classified primarily based on the structures associated with sexual reproduction. Thus, the genus Neosartorya (Family Trichocomaceae) is the telemorphic (sexual state) of the Aspergillus section known as Fumigati, which produces both a sexual state with ascospores and an asexual state with conidiospores, while the Aspergillus species produces only conidiospores. However, according to the Melbourne Code of nomenclature, only the genus name Aspergillus is to be used for both sexual and asexual states. Consequently, the genus name Neosartorya was no longer to be used after 1 January 2013. Nevertheless, the genus name Neosartorya is still used for the fungi that had already been taxonomically classified before the new rule was in force. Another aspect is that despite the small number of species (23 species) in the genus Neosartorya, and although less than half of them have been investigated chemically, the chemical diversity of this genus is impressive. Many chemical classes of compounds, some of which have unique scaffolds, such as indole alkaloids, peptides, meroterpenes, and polyketides, have been reported from its terrestrial, marine-derived, and endophytic species. Though the biological and pharmacological activities of a small fraction of the isolated metabolites have been investigated due to the available assay systems, they exhibited relevant biological and pharmacological activities, such as anticancer, antibacterial, antiplasmodial, lipid-lowering, and enzyme-inhibitory activities.
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Affiliation(s)
- Joana D. M. de Sá
- Laboratório de Química Orgânica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
| | - Decha Kumla
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar and CIIMAR, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
| | - Tida Dethoup
- Department of Plant Pathology, Faculty of Agriculture, Kasetsart University, Bangkok 10240, Thailand;
| | - Anake Kijjoa
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar and CIIMAR, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
- Correspondence: ; Tel.: +351-22-042-8331; Fax: +351-22-206-2232
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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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Uras IS, Ebada SS, Korinek M, Albohy A, Abdulrazik BS, Wang YH, Chen BH, Horng JT, Lin W, Hwang TL, Konuklugil B. Anti-Inflammatory, Antiallergic, and COVID-19 Main Protease (M pro) Inhibitory Activities of Butenolides from a Marine-Derived Fungus Aspergillus terreus. Molecules 2021; 26:3354. [PMID: 34199488 PMCID: PMC8199578 DOI: 10.3390/molecules26113354] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 05/28/2021] [Indexed: 01/03/2023] Open
Abstract
In December 2020, the U.K. authorities reported to the World Health Organization (WHO) that a new COVID-19 variant, considered to be a variant under investigation from December 2020 (VUI-202012/01), was identified through viral genomic sequencing. Although several other mutants were previously reported, VUI-202012/01 proved to be about 70% more transmissible. Hence, the usefulness and effectiveness of the newly U.S. Food and Drug Administration (FDA)-approved COVID-19 vaccines against these new variants are doubtfully questioned. As a result of these unexpected mutants from COVID-19 and due to lack of time, much research interest is directed toward assessing secondary metabolites as potential candidates for developing lead pharmaceuticals. In this study, a marine-derived fungus Aspergillus terreus was investigated, affording two butenolide derivatives, butyrolactones I (1) and III (2), a meroterpenoid, terretonin (3), and 4-hydroxy-3-(3-methylbut-2-enyl)benzaldehyde (4). Chemical structures were unambiguously determined based on mass spectrometry and extensive 1D/2D NMR analyses experiments. Compounds (1-4) were assessed for their in vitro anti-inflammatory, antiallergic, and in silico COVID-19 main protease (Mpro) and elastase inhibitory activities. Among the tested compounds, only 1 revealed significant activities comparable to or even more potent than respective standard drugs, which makes butyrolactone I (1) a potential lead entity for developing a new remedy to treat and/or control the currently devastating and deadly effects of COVID-19 pandemic and elastase-related inflammatory complications.
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Affiliation(s)
- Ibrahim Seyda Uras
- Department of Pharmacognosy, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey;
- Department of Pharmacognosy, Faculty of Pharmacy, Agri Ibrahim Cecen University, Agri 04100, Turkey
| | - Sherif S. Ebada
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Abbasia, Cairo 11566, Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Sinai University, Kantara, Ismailia 41511, Egypt
| | - Michal Korinek
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Research Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic Safety, and Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33302, Taiwan
| | - Amgad Albohy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The British University in Egypt (BUE), El-Sherouk City, Suez Desert Road, Cairo 11837, Egypt; (A.A.); (B.S.A.)
| | - Basma S. Abdulrazik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The British University in Egypt (BUE), El-Sherouk City, Suez Desert Road, Cairo 11837, Egypt; (A.A.); (B.S.A.)
| | - Yi-Hsuan Wang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
| | - Bing-Hung Chen
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- The Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Jim-Tong Horng
- Department of Biochemistry and Molecular Biology, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100083, China
| | - Tsong-Long Hwang
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Research Center for Chinese Herbal Medicine, Research Center for Food and Cosmetic Safety, and Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33302, Taiwan
- Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
| | - Belma Konuklugil
- Department of Pharmacognosy, Faculty of Pharmacy, Ankara University, Ankara 06560, Turkey;
- Department of Pharmacognosy, Faculty of Pharmacy, Lokman Hekim University, Çankaya, Ankara 06510, Turkey
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Machado FP, Kumla D, Pereira JA, Sousa E, Dethoup T, Freitas-Silva J, Costa PM, Mistry S, Silva AMS, Kijjoa A. Prenylated phenylbutyrolactones from cultures of a marine sponge-associated fungus Aspergillus flavipes KUFA1152. PHYTOCHEMISTRY 2021; 185:112709. [PMID: 33636575 DOI: 10.1016/j.phytochem.2021.112709] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/14/2021] [Accepted: 02/15/2021] [Indexed: 05/22/2023]
Abstract
Four undescribed prenylated phenylbutyrolactones, aspulvinones R, S, T and U, were isolated together with the previously reported aspulvinones A, B', H and 4-hydroxy-3,5-bis(3-methylbut-2-en-1-yl)benzaldehyde, from cultures of the marine sponge-derived fungus Aspergillus flavipes KUFA1152. The structures of the undescribed compounds were established on the basis of extensive analysis of 1D and 2D NMR and HRMS spectra. In the case of aspulvinone T, the absolute configuration of its stereogenic carbon was established by comparison of the experimental and calculated electronic circular dichroism (ECD) spectra. The structure of the previously reported compounds were elucidated by 1D and 2D NMR analysis as well as comparison of their 1H or/and 13C NMR data with those reported in the literature. Aspulvinones B', H, R, S, T and a mixture of aspulvinones A and U exhibited antibacterial activity against reference strains and multidrug-resistant isolates from the environment as well as capacity to inhibit biofilm formation in the reference strains. However, none of the tested compounds showed potential synergy with clinically relevant antibiotics on multidrug-resistant isolates.
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Affiliation(s)
- Fátima P Machado
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
| | - Decha Kumla
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
| | - José A Pereira
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
| | - Emilia Sousa
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal; Laboratório de Química Orgânica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
| | - Tida Dethoup
- Department of Plant Pathology, Faculty of Agriculture, Kasetsart University, Bangkok, 10240, Thailand.
| | - Joana Freitas-Silva
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
| | - Paulo M Costa
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
| | - Sharad Mistry
- Department of Chemistry, University of Leicester, University Road, Leicester, LE 7 RH, UK.
| | - Artur M S Silva
- Departamento de Química & QOPNA, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
| | - Anake Kijjoa
- ICBAS-Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Matosinhos, Portugal.
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Gressler M, Löhr NA, Schäfer T, Lawrinowitz S, Seibold PS, Hoffmeister D. Mind the mushroom: natural product biosynthetic genes and enzymes of Basidiomycota. Nat Prod Rep 2021; 38:702-722. [PMID: 33404035 DOI: 10.1039/d0np00077a] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Covering: up to September 2020 Mushroom-forming fungi of the division Basidiomycota have traditionally been recognised as prolific producers of structurally diverse and often bioactive secondary metabolites, using the methods of chemistry for research. Over the past decade, -omics technologies were applied on these fungi, and sophisticated heterologous gene expression platforms emerged, which have boosted research into the genetic and biochemical basis of the biosyntheses. This review provides an overview on experimentally confirmed natural product biosyntheses of basidiomycete polyketides, amino acid-derived products, terpenoids, and volatiles. We also present challenges and solutions particular to natural product research with these fungi. 222 references are cited.
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Affiliation(s)
- Markus Gressler
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
| | - Nikolai A Löhr
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
| | - Tim Schäfer
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
| | - Stefanie Lawrinowitz
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
| | - Paula Sophie Seibold
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
| | - Dirk Hoffmeister
- Department of Pharmaceutical Microbiology at the Hans Knöll Institute, Friedrich-Schiller-University Jena, Winzerlaer Strasse 2, 07745 Jena, Germany.
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Neuroprotective Metabolites from Vietnamese Marine Derived Fungi of Aspergillus and Penicillium Genera. Mar Drugs 2020; 18:md18120608. [PMID: 33266016 PMCID: PMC7760690 DOI: 10.3390/md18120608] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/25/2020] [Accepted: 11/28/2020] [Indexed: 02/06/2023] Open
Abstract
Low molecular weight secondary metabolites of marine fungi Aspergillus flocculosus, Aspergillus terreus and Penicillium sp. from Van Phong and Nha Trang Bays (Vietnam) were studied and a number of polyketides, bis-indole quinones and terpenoids were isolated. The structures of the isolated compounds were determined by 1D and 2D NMR and HR-ESI-MS techniques. Stereochemistry of some compounds was established based on ECD data. A chemical structure of asterriquinone F (6) was thoroughly described for the first time. Anthraquinone (13) was firstly obtained from a natural source. Neuroprotective influences of the isolated compounds against 6-OHDA, paraquat and rotenone toxicity were investigated. 4-Hydroxyscytalone (1), 4-hydroxy-6-dehydroxyscytalone (2) and demethylcitreoviranol (3) have shown significant increasing of paraquat- and rotenone-treated Neuro-2a cell viability and anti-ROS activity.
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Cai L, Shao SY, Han SW, Li S. Sesquiterpenoids, phenolic and lignan glycosides from the roots and rhizomes of Clematis hexapetala Pall. and their bioactivities. Bioorg Chem 2020; 104:104312. [PMID: 33142424 DOI: 10.1016/j.bioorg.2020.104312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/18/2020] [Accepted: 09/20/2020] [Indexed: 10/23/2022]
Abstract
Approximately 17 compounds were isolated from a 60% EtOH aqueous extract of the roots and rhizomes of Clematis hexapetala Pall., including three new guaianolide sesquiterpenoids with 5/7/5-fused rings and 3S-configuration (1-3), five new prenylated tetra-substituted phenolic glycosides (4-8) with 6/6-fused 9H-benzopyran skeleton (5) and 6/7-fused 7,10-dihydro-benzoxepin skeleton (6-8), one new isoferulyl glucoside (9), two new furofuran lignan diglucosides (10-11), and six known compounds. The chemical structures of the new compounds were elucidated via spectroscopic data and electronic circular dichroism (ECD) analyses in combination with a modified Mosher's method. The possible biosynthetic relationships of prenylated tetra-substituted phenols were postulated. In the in vitro assays, compound 16 exhibited moderate TNF-α secretion inhibitory activity with IC50 value of 3.419 μM. Compounds 14-16 displayed potent PTP1B enzymatic inhibitory activities with inhibition ratios of 48.30-86.00%. And compound 16 showed significant PTP1B enzymatic inhibition with IC50 value of 4.623 μM.
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Affiliation(s)
- Lu Cai
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China
| | - Si-Yuan Shao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China
| | - Shao-Wei Han
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China
| | - Shuai Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China.
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10
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Ran H, Li SM. Fungal benzene carbaldehydes: occurrence, structural diversity, activities and biosynthesis. Nat Prod Rep 2020; 38:240-263. [PMID: 32779678 DOI: 10.1039/d0np00026d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Covering: up to April 2020Fungal benzene carbaldehydes with salicylaldehydes as predominant representatives carry usually hydroxyl groups, prenyl moieties and alkyl side chains. They are found in both basidiomycetes and ascomycetes as key intermediates or end products of various biosynthetic pathways and exhibit diverse biological and pharmacological activities. The skeletons of the benzene carbaldehydes are usually derived from polyketide pathways catalysed by iterative fungal polyketide synthases. The aldehyde groups are formed by direct PKS releasing, reduction of benzoic acids or oxidation of benzyl alcohols.
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Affiliation(s)
- Huomiao Ran
- Institut für Pharmazeutische Biologie und Biotechnologie, Fachbereich Pharmazie, Philipps-Universität Marburg, Robert-Koch-Straße 4, 35037 Marburg, Germany.
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11
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Antipova TV, Zhelifonova VP, Litovka YA, Pavlov IN, Baskunov BP, Timofeev AA, Kozlovsky AG. Secondary Metabolites of the Siberian Strains Heterobasidion annosum sensu lato. APPL BIOCHEM MICRO+ 2020. [DOI: 10.1134/s0003683820020039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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New Aromatic Bisabolane Derivatives with Lipid-Reducing Activity from the Marine Sponge Myrmekioderma sp. Mar Drugs 2019; 17:md17060375. [PMID: 31234542 PMCID: PMC6627430 DOI: 10.3390/md17060375] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 06/14/2019] [Accepted: 06/17/2019] [Indexed: 12/21/2022] Open
Abstract
The previously reported 1-(2,4-dihydroxy-5-methylphenyl)ethan-1-one (1), (1’Z)-2-(1’,5’-dimethylhexa-1’,4’-dieny1)-5-methylbenzene-1,4-diol (2), and 1,8-epoxy-1(6),2,4,7,10-bisaborapentaen-4-ol (5) together with four new structures of aromatic bisabolane-related compounds (3, 4, 6, 7) were isolated from the marine sponge Myrmekioderma sp. Compounds 1, 2, and 5 were identified based on spectral data available in the literature. The structures of the four new compounds were experimentally established by 1D and 2D-NMR and (−)-HRESIMS spectral analysis. Cytotoxic and lipid-reducing activities of the isolated compounds were evaluated. None of the isolated compounds were active against the tested cancer cell lines; however, lipid-reducing activity was found for compounds 2–5 and 7 in the zebrafish Nile red fat metabolism assay. This class of compounds should be further explored for their suitability as possible agents for the treatment of lipid metabolic disorders and obesity.
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13
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González-Ramírez M, Gavilán J, Silva-Grecchi T, Cajas-Madriaga D, Triviño S, Becerra J, Saez-Orellana F, Pérez C, Fuentealba J. A Natural Benzofuran from the Patagonic Aleurodiscus vitellinus Fungus has Potent Neuroprotective Properties on a Cellular Model of Amyloid-β Peptide Toxicity. J Alzheimers Dis 2019; 61:1463-1475. [PMID: 29376877 DOI: 10.3233/jad-170958] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Alzheimer's disease (AD) is characterized by amyloid plaques that form due to an increase in amyloid-β peptide (Aβ) aggregation. One strategy in the search of new treatments for AD focuses on compounds that decrease Aβ accumulation. Compounds containing a benzofuran ring have been described to play an important role in decreasing Aβ-induced toxicity; however, only synthetic benzofurans have been tested thus far. The aim of the present study was to examine the in vitro neuroprotective properties of fomannoxin (Fx), a natural benzofuran isolated from cultures of the Andean-Patagonian fungi Aleurodiscus vitellinus, and evaluate its effect on Aβ peptide. We tested the effect of Fx at a wide concentration range (10-11-10-4 M) in PC-12 cells, and found the compound did not alter cellular viability. Fx also showed a concentration-dependent effect on the Aβ-induced toxicity in PC12 cells, showing viability above 100% at 10-6 M. We then measured the effect of Fx (10-7-10-5 M) on the frequency of cytosolic Ca2+ transients in rat hippocampal neurons at both acute and chronic (24 h) times. Acute incubation with Fx increased the frequency of cytosolic Ca2+ transients to values around 200%, whereas chronic incubation with Fx increased the frequency of Ca2+ transients. Finally, the Aβ-induced decrease in intracellular Ca2+ transients was prevented when Fx (10-6 M) was co-incubated with Aβ (5×10-6 M). The results suggest a potent neuroprotective effect of this naturally occurring benzofuran against Aβ peptide toxicity that could be mediated by an interference with it binding to plasma membrane, and lead Fx as new chemical entity to develop pharmacological tools against Aβ peptide neurotoxicity.
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Affiliation(s)
| | - Javiera Gavilán
- Laboratory of Screening of Neuroactive Compounds, University of Concepción, Concepción, Chile
| | - Tiare Silva-Grecchi
- Laboratory of Screening of Neuroactive Compounds, University of Concepción, Concepción, Chile
| | - Daniel Cajas-Madriaga
- Laboratory of Chemistry of Natural Products, University of Concepción, Concepción, Chile
| | - Sergio Triviño
- Laboratory of Chemistry of Natural Products, University of Concepción, Concepción, Chile
| | - José Becerra
- Laboratory of Chemistry of Natural Products, University of Concepción, Concepción, Chile
| | - Francisco Saez-Orellana
- Laboratory of Screening of Neuroactive Compounds, University of Concepción, Concepción, Chile
| | - Claudia Pérez
- Laboratory of Chemistry of Natural Products, University of Concepción, Concepción, Chile
| | - Jorge Fuentealba
- Laboratory of Screening of Neuroactive Compounds, University of Concepción, Concepción, Chile
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14
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Sun Z, Zhu N, Zhou M, Huo X, Wu H, Tian Y, Yang J, Ma G, Yang YL, Xu X. Clavipines A–C, antiproliferative meroterpenoids with a fused azepine skeleton from the basidiomycete Clitocybe clavipes. Org Chem Front 2019. [DOI: 10.1039/c9qo01005j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three novel meroterpenoids, clavipines A–C (1–3), possessing a benzoquinone fused to an azepine ring and a ten-membered carbocycle with α,β-epoxy/unsaturated-γ-lactone, were isolated from the basidiomycete Clitocybe clavipes.
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15
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Chang JC, Hsiao G, Lin RK, Kuo YH, Ju YM, Lee TH. Bioactive Constituents from the Termite Nest-Derived Medicinal Fungus Xylaria nigripes. JOURNAL OF NATURAL PRODUCTS 2017; 80:38-44. [PMID: 28055210 DOI: 10.1021/acs.jnatprod.6b00249] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Six new eremophilane-type sesquiterpenes, namely, nigriterpenes A-F (1-6), and one new phenolic compound, named 2-hydroxymethyl-3-pentylphenol (7), along with fomannoxin alcohol, 3-butyl-7-hydroxyphthalide, scytalone, and fomannoxin were isolated from the ethyl acetate extracts of the fermented broths of termite nest-derived Xylaria nigripes, which has long been used as a traditional Chinese medicine for treating insomnia and depression. Their structures were elucidated on the basis of spectroscopic data analysis and compared with the literature. All the pure isolates were evaluated against lipopolysaccharide-induced inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) expression, and NO production in murine brain microglial BV-2 cells. Of the compounds tested, nigriterpene C (3) and fomannoxin alcohol exerted significant inhibitory effects on two induced enzymes and NO production without any significant cellular toxicity. The most potent compound, 3, exhibited concentration-dependent inhibition on NO production and iNOS and COX-2 expression with IC50 values of 21.7 ± 4.9, 8.1 ± 2.3, and 16.6 ± 5.5 μM, respectively. These results indicated that the potential anti-inflammatory effects of nigriterpene C (3) and fomannoxin alcohol on murine brain microglial BV-2 cells may provide a rationale for the traditional medical uses of X. nigripes for treating insomnia and depression.
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Affiliation(s)
| | | | | | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University , Taichung, Taiwan 404
- Department of Biotechnology, Asia University , Taichung, Taiwan 413
| | - Yu-Min Ju
- Institute of Plant and Microbial Biology, Academia Sinica , Taipei, Taiwan 115
| | - Tzong-Huei Lee
- Institute of Fisheries Science, National Taiwan University , Taipei, Taiwan 106
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16
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Mgbeahuruike AC, Kovalchuk A, Ubhayasekera W, Nelson DR, Yadav JS. CYPome of the conifer pathogen Heterobasidion irregulare: Inventory, phylogeny, and transcriptional analysis of the response to biocontrol. Fungal Biol 2016; 121:158-171. [PMID: 28089047 DOI: 10.1016/j.funbio.2016.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 10/25/2016] [Accepted: 11/26/2016] [Indexed: 01/16/2023]
Abstract
The molecular mechanisms underlying the interaction of the pathogen, Heterobasidion annosum s.l., the conifer tree and the biocontrol fungus, Phlebiopsis gigantea have not been fully elucidated. Members of the cytochrome P450 (CYP) protein family may contribute to the detoxification of components of chemical defence of conifer trees by H. annosum during infection. Additionally, they may also be involved in the interaction between H. annosum and P. gigantea. A genome-wide analysis of CYPs in Heterobasidion irregulare was carried out alongside gene expression studies. According to the Standardized CYP Nomenclature criteria, the H. irregulare genome has 121 CYP genes and 17 CYP pseudogenes classified into 11 clans, 35 families, and 64 subfamilies. Tandem CYP arrays originating from gene duplications and belonging to the same family and subfamily were found. Phylogenetic analysis showed that all the families of H. irregulare CYPs were monophyletic groups except for the family CYP5144. Microarray analysis revealed the transcriptional pattern for 130 transcripts of CYP-encoding genes during growth on culture filtrate produced by P. gigantea. The high level of P450 gene diversity identified in this study could result from extensive gene duplications presumably caused by the high metabolic demands of H. irregulare in its ecological niches.
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Affiliation(s)
- Anthony C Mgbeahuruike
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria, Nsukka, PMB, 420001, Enugu State, Nigeria; Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, PMB, 420001, Enugu State, Nigeria.
| | - Andriy Kovalchuk
- Department of Forest Sciences, University of Helsinki, P.O. Box 27, FIN-00014 Helsinki, Finland
| | - Wimal Ubhayasekera
- Structure and Molecular Biology Program, Department of Cell and Molecular Biology, Uppsala University, Box 596, Biomedical Center, SE-751 24, Uppsala, Sweden
| | - David R Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee, Memphis, TN 38163, USA
| | - Jagjit S Yadav
- Environmental Genetics and Molecular Toxicology Division, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0056, USA
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17
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Vu M, Herfindal L, Juvik OJ, Vedeler A, Haavik S, Fossen T. Toxic aromatic compounds from fruits of Narthecium ossifragum L. PHYTOCHEMISTRY 2016; 132:76-85. [PMID: 27720435 DOI: 10.1016/j.phytochem.2016.09.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 07/15/2016] [Accepted: 09/28/2016] [Indexed: 06/06/2023]
Abstract
The intake of Narthecium ossifragum, commonly known as bog asphodel, has been associated with toxic effects observed in sheep for centuries. Although the plant has been studied for five centuries little is known about its chemical constituents. Six previously undescribed natural products, naringenin(3 → 6″)luteolin, naringenin(3 → 6″)chrysoeriol, liovil 4-O-β-glucopyranoside, 2,6-dimethoxy cinnamic acid, (E)-4-(3-hydroxy-2,2-dimethylchroman-6-yl)but-3-en-2-one and (E)-4-(4-(((E)-4-hydroxy-3-methylbut-2-en-1-yl)oxy)phenyl)but-3-en-2-one, have been identified from fruits of N. ossifragum for the first time. In addition, the rare natural product 4-hydroxy-3-(3-methylbut-2-enyl)benzaldehyde and the five known compounds 4-hydroxycinnamic acid, quercetin 3,3'-dimethyl ether, quercetin 3,7-dimethyl ether, chrysoeriol 7-O-β-glucopyranoside and the di-C-glycosylflavone isoschaftoside were all characterized for the first time from the fruits of N. ossifragum. The discovery of sufficient amounts of 4-hydroxy-3-(3-methylbut-2-enyl)benzaldehyde in fresh plant material of N. ossifragum to allow complete structure elucidation by NMR and HRMS supports the possibility that fungi associated with N. ossifragum may be able to produce enough toxins to play a significant role in the pathogenicity of N. ossifragum. 4-Hydroxy-3-(3-methylbut-2-enyl)benzaldehyde showed mild toxicity towards normal rat kidney (NRK) and more profound activity towards MOLM13 acute myeloid leukemia cells (IC50 = 430 μM and 68 μM, respectively). Naringenin(3 → 6″)luteolin had IC50 of 230 μM towards NRK cells, and 115 μM towards MOLM13 cells. Microscopic evaluation suggests that these two compounds induce cell death by different mechanisms.
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Affiliation(s)
- Marita Vu
- Department of Chemistry and Centre for Pharmacy, University of Bergen, Allégt. 41, N-5007 Bergen, Norway
| | - Lars Herfindal
- Department of Clinical Science and Centre for Pharmacy, University of Bergen, Norway; Hospital Pharmacies Enterprise, Western Norway, Bergen, Norway
| | - Ole Johan Juvik
- Department of Chemistry and Centre for Pharmacy, University of Bergen, Allégt. 41, N-5007 Bergen, Norway
| | - Anni Vedeler
- Department of Biomedicine, University of Bergen, Norway
| | - Svein Haavik
- Department of Clinical Science and Centre for Pharmacy, University of Bergen, Norway
| | - Torgils Fossen
- Department of Chemistry and Centre for Pharmacy, University of Bergen, Allégt. 41, N-5007 Bergen, Norway.
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18
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El Maddah F, Kehraus S, Nazir M, Almeida C, König GM. Insights into the Biosynthetic Origin of 3-(3-Furyl)alanine in Stachylidium sp. 293 K04 Tetrapeptides. JOURNAL OF NATURAL PRODUCTS 2016; 79:2838-2845. [PMID: 27786475 DOI: 10.1021/acs.jnatprod.6b00601] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The marine-sponge-derived fungus Stachylidium sp. 293 K04 produces the N-methylated peptides endolide A (1) and endolide B (2), showing affinity for the vasopressin receptor 1A and serotonin receptor 5HT2B, respectively. Both peptides feature the rare amino acid 3-(3-furyl)alanine. Isotope labeling experiments, employing several 13C-enriched precursors, revealed that this unprecedented heterocyclic amino acid moiety in endolide A (1) is synthesized from a cyclic intermediate of the shikimate pathway, but not from phenylalanine. Two new tetrapeptide analogues, endolides C and D (3 and 4), were characterized, as well as the previously described hirsutide (5).
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Affiliation(s)
- Fayrouz El Maddah
- Institute for Pharmaceutical Biology, University of Bonn , Nussallee 6, D-53115 Bonn, Germany
- Department of Pharmacognosy and Tissue Culture, National Organization for Drug Control and Research , Cairo, Egypt
| | - Stefan Kehraus
- Institute for Pharmaceutical Biology, University of Bonn , Nussallee 6, D-53115 Bonn, Germany
| | - Mamona Nazir
- Institute for Pharmaceutical Biology, University of Bonn , Nussallee 6, D-53115 Bonn, Germany
| | - Celso Almeida
- Institute for Pharmaceutical Biology, University of Bonn , Nussallee 6, D-53115 Bonn, Germany
- UCIBIO-REQUIMTE, Departamento de Ciências da Vida, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa , Caparica 2829-516, Portugal
| | - Gabriele M König
- Institute for Pharmaceutical Biology, University of Bonn , Nussallee 6, D-53115 Bonn, Germany
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19
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Yu YC, Liu B, Wu Y. Synthesis of Phenostereum A and Related Diol and Attempted Assignment of Relative Configurations of Remote Stereocenters by13C NMR. ChemistrySelect 2016. [DOI: 10.1002/slct.201600657] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yan-Chao Yu
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
- Key Laboratory of Green Chemical Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering; Harbin University of Science and Technology; Harbin 150040 China
| | - Bo Liu
- Key Laboratory of Green Chemical Technology of College of Heilongjiang Province, College of Chemical and Environmental Engineering; Harbin University of Science and Technology; Harbin 150040 China
| | - Yikang Wu
- State Key Laboratory of Bioorganic and Natural Products Chemistry; Collaborative Innovation Center of Chemistry for Life Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
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20
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New Polyketides and New Benzoic Acid Derivatives from the Marine Sponge-Associated Fungus Neosartorya quadricincta KUFA 0081. Mar Drugs 2016; 14:md14070134. [PMID: 27438842 PMCID: PMC4962024 DOI: 10.3390/md14070134] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 07/08/2016] [Accepted: 07/12/2016] [Indexed: 11/25/2022] Open
Abstract
Two new pentaketides, including a new benzofuran-1-one derivative (1) and a new isochromen-1-one (5), and seven new benzoic acid derivatives, including two new benzopyran derivatives (2a, b), a new benzoxepine derivative (3), two new chromen-4-one derivatives (4b, 7) and two new benzofuran derivatives (6a, b), were isolated, together with the previously reported 2,3-dihydro-6-hydroxy-2,2-dimethyl-4H-1-benzopyran-4-one (4a), from the culture of the marine sponge-associated fungus Neosartorya quadricincta KUFA 0081. The structures of the new compounds were established based on 1D and 2D NMR spectral analysis, and in the case of compounds 1, 2a, 4b, 5, 6a and 7, the absolute configurations of their stereogenic carbons were determined by an X-ray crystallographic analysis. None of the isolated compounds were active in the tests for antibacterial activity against Gram-positive and Gram-negative bacteria, as well as multidrug-resistant isolates from the environment (MIC > 256 μg/mL), antifungal activity against yeast (Candida albicans ATTC 10231), filamentous fungus (Aspergillus fumigatus ATTC 46645) and dermatophyte (Trichophyton rubrum FF5) (MIC > 512 µg/mL) and in vitro growth inhibitory activity against the MCF-7 (breast adenocarcinoma), NCI-H460 (non-small cell lung cancer) and A375-C5 (melanoma) cell lines (GI50 > 150 µM) by the protein binding dye SRB method.
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21
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Schwenk D, Brandt P, Blanchette RA, Nett M, Hoffmeister D. Unexpected Metabolic Versatility in a Combined Fungal Fomannoxin/Vibralactone Biosynthesis. JOURNAL OF NATURAL PRODUCTS 2016; 79:1407-1414. [PMID: 27104866 DOI: 10.1021/acs.jnatprod.6b00147] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The secondary metabolome of an undescribed stereaceous basidiomycete (BY1) was investigated for bioactive compounds. Along with a known fomannoxin derivative and two known vibralactones, we here describe three new compounds of these natural product families, whose structures were elucidated using 1D and 2D NMR spectroscopy and high-resolution mass spectrometry. The new compound vibralactone S (4) shows a 3,6-substituted oxepin-2(7H)-one ring system, which is unprecedented for the vibralactone/fomannoxin class of compounds. Stable isotope labeling established a biosynthetic route that is dissimilar to the two published cascades of oxepinone formation. Another new compound, the antifungal methyl seco-fomannoxinate (6), features a 2-methylprop-1-enyl ether moiety, which is only rarely observed with natural products. The structure of 6 was confirmed by total synthesis. (13)C-labeling experiments revealed that the unusual 2-methylprop-1-enyl ether residue derives from an isoprene unit. The diversity of BY1's combined fomannoxin/vibralactone metabolism is remarkable in that these compound families, although biosynthetically related, usually occur in different organisms.
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Affiliation(s)
- Daniel Schwenk
- Department of Pharmaceutical Microbiology at the Hans-Knöll-Institute, Friedrich-Schiller-Universität , Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Philip Brandt
- Department of Pharmaceutical Microbiology at the Hans-Knöll-Institute, Friedrich-Schiller-Universität , Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Robert A Blanchette
- Plant Pathology, University of Minnesota , 1991 Upper Buford Circle, Saint Paul, Minnesota 55108, United States
| | - Markus Nett
- Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knöll-Institute , Beutenbergstrasse 11a, 07745 Jena, Germany
- Department of Biochemical and Chemical Engineering, Technical Biology, Technical University Dortmund , Emil-Figge-Strasse 66, 44227 Dortmund, Germany
| | - Dirk Hoffmeister
- Department of Pharmaceutical Microbiology at the Hans-Knöll-Institute, Friedrich-Schiller-Universität , Beutenbergstrasse 11a, 07745 Jena, Germany
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22
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Yang Y, Zhou H, Du G, Feng K, Feng T, Fu X, Liu J, Zeng Y. A Monooxygenase from
Boreostereum vibrans
Catalyzes Oxidative Decarboxylation in a Divergent Vibralactone Biosynthesis Pathway. Angew Chem Int Ed Engl 2016; 55:5463-6. [PMID: 27007916 DOI: 10.1002/anie.201510928] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 02/09/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Yan‐Long Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hui Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Gang Du
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ke‐Na Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Tao Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Xiao‐Li Fu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
| | - Ji‐Kai Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
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23
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Yang Y, Zhou H, Du G, Feng K, Feng T, Fu X, Liu J, Zeng Y. A Monooxygenase from
Boreostereum vibrans
Catalyzes Oxidative Decarboxylation in a Divergent Vibralactone Biosynthesis Pathway. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510928] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yan‐Long Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hui Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Gang Du
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ke‐Na Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Tao Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Xiao‐Li Fu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
| | - Ji‐Kai Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
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Ding WY, Ai J, Wang XL, Qiu FG, Lv Q, Fang P, Hou FF, Yan YM, Cheng YX. Isolation of lingzhifuran A and lingzhilactones D–F from Ganoderma lucidum as specific Smad3 phosphorylation inhibitors and total synthesis of lingzhifuran A. RSC Adv 2016. [DOI: 10.1039/c6ra17900b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Lingzhifuran A (1) and lingzhilactones D–F (2–4), four new phenolic meroterpenoids were isolated from the fruiting bodies of Ganoderma lucidum. Total synthesis and biological evaluation of lingzhifuran A were carried out herein.
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Affiliation(s)
- Wei-Yi Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
| | - Jun Ai
- State Key Laboratory of Organ Failure Research
- National Clinical Research Center for Kidney Disease
- Division of Nephrology
- Nanfang Hospital
- Southern Medical University
| | - Xin-Long Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
| | - Fayang G. Qiu
- Laboratory of Molecular Engineering and Laboratory of Natural Product Synthesis
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou
- People's Republic of China
| | - Qing Lv
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
| | - Ping Fang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
| | - Fan-Fan Hou
- State Key Laboratory of Organ Failure Research
- National Clinical Research Center for Kidney Disease
- Division of Nephrology
- Nanfang Hospital
- Southern Medical University
| | - Yong-Ming Yan
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
| | - Yong-Xian Cheng
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
- People's Republic of China
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Mai DT, Le TD, Nguyen TP, Phan NM, Nguyen HA, Nguyen TTP, Tran LQ. A new aldehyde compound from the fruit ofPandanus tectoriusParkinson ex Du Roi. Nat Prod Res 2015; 29:1437-41. [DOI: 10.1080/14786419.2014.1003929] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Hansson D, Wubshet S, Olson Å, Karlsson M, Staerk D, Broberg A. Secondary metabolite comparison of the species within the Heterobasidion annosum s.l. complex. PHYTOCHEMISTRY 2014; 108:243-51. [PMID: 25260338 DOI: 10.1016/j.phytochem.2014.08.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/25/2014] [Accepted: 08/30/2014] [Indexed: 05/20/2023]
Abstract
The metabolite production of the five members of the fungal species complex Heterobasidion annosum s.l., i.e. H. annosum s.s., H. abietinum, H. parviporum, H. occidentale and H. irregulare, was analyzed by LC-HRMS. The five members are described to have differences in host preferences: H. annosum s.s. and H. irregulare are pine infecting species, and H. parviporum, H. occidentale and H. abietinum are non-pine infecting. Principal component analysis (PCA) of the LC-HRMS data showed that samples from the five species could be separated into five groups and in accordance with the differences in host preferences. Twenty-three compounds, important to the observed PCA grouping, were isolated and identified. The main contributor to the separation of the pine infecting species from the non-pine infecting species in PC1 was the benzohydrofuran fomannoxin, which was only detected in the pine infecting species H. annosum s.s. and H. irregulare. These two species were further separated in PC3, and one major contributor here was the sesquiterpene deoxyfomannosin A. The three non-pine infecting species were separated in PC2, by epoxydrimenol that was detected in only two of the species and further in PC4, where a few fomannoxin related compounds were important for the grouping. During the work, three unknown compounds were isolated and described: 3-hydroxy-2-(1,3-dihydroxypropan-2-yl)-2,3-dihydrobenzofuran-5-carbaldehyde, 3-hydroxy-2-(1,2,3-trihydroxypropan-2-yl)-2,3-dihydrobenzofuran-5-carbaldehyde and 3-hydroxy-2,3-dihydrobenzofuran-5-carboxylic acid.
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Affiliation(s)
- David Hansson
- Department of Chemistry and Biotechnology, Uppsala BioCenter, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-75007 Uppsala, Sweden
| | - Sileshi Wubshet
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Åke Olson
- Department of Forest Mycology and Plant Pathology, Uppsala BioCenter, Swedish University of Agricultural Sciences, P.O. Box 7026, SE-75007 Uppsala, Sweden
| | - Magnus Karlsson
- Department of Forest Mycology and Plant Pathology, Uppsala BioCenter, Swedish University of Agricultural Sciences, P.O. Box 7026, SE-75007 Uppsala, Sweden
| | - Dan Staerk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Anders Broberg
- Department of Chemistry and Biotechnology, Uppsala BioCenter, Swedish University of Agricultural Sciences, P.O. Box 7015, SE-75007 Uppsala, Sweden.
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Gene expression associated with intersterility in Heterobasidion. Fungal Genet Biol 2014; 73:104-19. [PMID: 25459536 DOI: 10.1016/j.fgb.2014.10.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/10/2014] [Accepted: 10/08/2014] [Indexed: 12/18/2022]
Abstract
Intersterility (IS) is thought to prevent mating compatibility between homokaryons that belong to different species. Although IS in Heterobasidion is regulated by the genes located at the IS loci, it is not yet known how the IS genes influence sexual compatibility and heterokaryon formation. To increase our understanding of the molecular events underlying IS, we studied mRNA abundance changes during IS compatible and incompatible interactions over time. The clustering of the transcripts into expression profiles, followed by the application of Gene Ontology (GO) enrichment pathway analysis of each of the clusters, allowed inference of biological processes participating in IS. These analyses identified events involved in mating and sexual development (i.e., linked with IS compatibility), which included processes associated with cell-cell adhesion and recognition, cell cycle control and signal transduction. We also identified events potentially involved in overriding mating between individuals belonging to different species (i.e., linked with IS incompatibility), which included reactive oxygen species (ROS) production, responses to stress (especially to oxidative stress), signal transduction and metabolic biosynthesis. Our findings thus enabled detection and characterization of gene expression changes associated with IS in Heterobasidion, as well as identification of important processes and pathways associated with this phenomenon. Overall, the results of this study increase current knowledge regarding the molecular mechanisms underpinning IS in Heterobasidion and allowed for the establishment of a vital baseline for further studies.
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Biotransformation of the fungal phytotoxin fomannoxin by soil streptomycetes. J Chem Ecol 2013; 39:931-41. [PMID: 23674123 DOI: 10.1007/s10886-013-0290-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Revised: 04/12/2013] [Accepted: 04/19/2013] [Indexed: 01/05/2023]
Abstract
Rhizosphere-associated Streptomyces sp. AcH 505 (AcH 505) promotes infection of Norway spruce (Picea abies) with the pathogenic fungus Heterobasidion abietinum 331, while Streptomyces sp. GB 4-2 (GB 4-2) enhances spruce defense against the fungus. To identify whether these bacteria influence the availability of the fungal phytotoxin fomannoxin and hence spruce infection, we analyzed the fomannoxin yield in H. abietinum 331-AcH 505 dual cultures. Further, the fate of fomannoxin was studied by adding the compound to cultures of AcH 505, GB 4-2 and nine other soil streptomycetes. Culture filtrates were extracted with ethyl acetate and analyzed by HPLC. Structures of novel compounds were elucidated by HPLC-HR-ESI-Orbitrap-MS and NMR spectroscopy. Phytotoxicity of the compounds was determined by in vivo measurement of maximum photosystem II efficiency of Arabidopsis thaliana seedlings. The amount of fomannoxin in H. abietinum 331-AcH 505 dual cultures was reduced compared to axenic fungus cultures and fungus-plant dual cultures. Following addition of fomannoxin to AcH 505 cultures, the compound disappeared and three novel fomannoxin derivatives without phytotoxic activity were detected. Another novel compound, fomannoxin amide, was discovered following fomannoxin addition to GB 4-2 cultures. Nine other streptomycetes converted fomannoxin into fomannoxin acid or fomannoxin amide. Both compounds exhibit the same phytotoxicity as fomannoxin. We, thus, conclude that the streptomycete-mediated modulation of spruce infection with H. abietinum 331 does not depend on the availability of fomannoxin. We further add evidence to the observation that the lipophilic side chain of fomannoxin is an important structural element for its phytotoxicity.
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Zhao PJ, Yang YL, Du L, Liu JK, Zeng Y. Elucidating the Biosynthetic Pathway for Vibralactone: A Pancreatic Lipase Inhibitor with a Fused Bicyclic β-Lactone. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201208182] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zhao PJ, Yang YL, Du L, Liu JK, Zeng Y. Elucidating the Biosynthetic Pathway for Vibralactone: A Pancreatic Lipase Inhibitor with a Fused Bicyclic β-Lactone. Angew Chem Int Ed Engl 2013; 52:2298-302. [DOI: 10.1002/anie.201208182] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 11/22/2012] [Indexed: 11/09/2022]
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