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Song YP, Ji NY. Chemistry and biology of marine-derived Trichoderma metabolites. NATURAL PRODUCTS AND BIOPROSPECTING 2024; 14:14. [PMID: 38302800 PMCID: PMC10834931 DOI: 10.1007/s13659-024-00433-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/17/2024] [Indexed: 02/03/2024]
Abstract
Marine-derived fungi of the genus Trichoderma have been surveyed for pharmaceuticals and agrochemicals since 1993, with various new secondary metabolites being characterized from the strains of marine animal, plant, sediment, and water origin. Chemical structures and biological activities of these metabolites are comprehensively reviewed herein up to the end of 2022 (covering 30 years). More than 70 strains that belong to at least 18 known Trichoderma species have been chemically investigated during this period. As a result, 445 new metabolites, including terpenes, steroids, polyketides, peptides, alkaloids, and others, have been identified, with over a half possessing antimicroalgal, zooplankton-toxic, antibacterial, antifungal, cytotoxic, anti-inflammatory, and other activities. The research is highlighted by the molecular diversity and antimicroalgal potency of terpenes and steroids. In addition, metabolic relevance along with co-culture induction in the production of new compounds is also concluded. Trichoderma strains of marine origin can transform and degrade heterogeneous molecules, but these functions need further exploration.
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Affiliation(s)
- Yin-Ping Song
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, People's Republic of China
| | - Nai-Yun Ji
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, People's Republic of China.
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Alfaro-Vargas P, Bastos-Salas A, Muñoz-Arrieta R, Pereira-Reyes R, Redondo-Solano M, Fernández J, Mora-Villalobos A, López-Gómez JP. Peptaibol Production and Characterization from Trichoderma asperellum and Their Action as Biofungicide. J Fungi (Basel) 2022; 8:1037. [PMID: 36294602 PMCID: PMC9605287 DOI: 10.3390/jof8101037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/01/2022] [Accepted: 09/17/2022] [Indexed: 11/23/2022] Open
Abstract
Peptaibols (Paib), are a class of biologically active peptides isolated from soil, fungi and molds, which have interesting properties as antimicrobial agents. Paib production was optimized in flasks by adding sucrose as a carbon source, 2-aminoisobutyric acid (Aib) as an additive amino acid, and F. oxysporum cell debris as an elicitor. Paib were purified, sequenced and identified by High-performance liquid chromatography (HPLC)coupled to mass spectrometry. Afterward, a Paib extract was obtained from the optimized fermentations. The biological activity of these extracts was evaluated using in vitro and in vivo methods. The extract inhibited the growth of specific plant pathogens, and it showed inhibition rates similar to those from commercially available fungicides. Growth inhibition rates were 92.2, 74.2, 58.4 and 36.2% against Colletotrichum gloeosporioides, Botrytis cinerea, Alternaria alternata and Fusarium oxysporum, respectively. Furthermore, the antifungal activity was tested in tomatoes inoculated with A. alternata, the incidence of the disease in tomatoes treated with the extract was 0%, while the untreated fruit showed a 92.5% incidence of infection Scanning electron microscopy images showed structural differences between the fungi treated with or without Paib. The most visual alterations were sunk and shriveled morphology in spores, while the hyphae appeared to be fractured, rough and dehydrated.
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Affiliation(s)
- Pamela Alfaro-Vargas
- National Center for Biotechnological Innovations, National Center for High Technology, San Jose 1174-1200, Costa Rica
| | - Alisson Bastos-Salas
- National Center for Biotechnological Innovations, National Center for High Technology, San Jose 1174-1200, Costa Rica
- Faculty of Microbiology, University of Costa Rica, Rodrigo Facio University City, San Jose 11501-2060, Costa Rica
| | - Rodrigo Muñoz-Arrieta
- National Center for Biotechnological Innovations, National Center for High Technology, San Jose 1174-1200, Costa Rica
| | - Reinaldo Pereira-Reyes
- National Nanotechnology Laboratory, National Center for High Technology, San Jose 1174-1200, Costa Rica
| | - Mauricio Redondo-Solano
- Research Center for Tropical Diseases (CIET) and Food Microbiology Research and Training Laboratory (LIMA), Faculty of Microbiology, University of Costa Rica, Rodrigo Facio University City, San Jose 11501-2060, Costa Rica
| | - Julián Fernández
- Instituto Clodomiro Picado, Faculty of Microbiology, University of Costa Rica, San Jose 11501-2060, Costa Rica
| | - Aníbal Mora-Villalobos
- National Center for Biotechnological Innovations, National Center for High Technology, San Jose 1174-1200, Costa Rica
| | - José Pablo López-Gómez
- National Center for Biotechnological Innovations, National Center for High Technology, San Jose 1174-1200, Costa Rica
- Microbiome Biotechnology Department, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), 14469 Potsdam, Germany
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Varrella S, Barone G, Tangherlini M, Rastelli E, Dell’Anno A, Corinaldesi C. Diversity, Ecological Role and Biotechnological Potential of Antarctic Marine Fungi. J Fungi (Basel) 2021; 7:391. [PMID: 34067750 PMCID: PMC8157204 DOI: 10.3390/jof7050391] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 11/28/2022] Open
Abstract
The Antarctic Ocean is one of the most remote and inaccessible environments on our planet and hosts potentially high biodiversity, being largely unexplored and undescribed. Fungi have key functions and unique physiological and morphological adaptations even in extreme conditions, from shallow habitats to deep-sea sediments. Here, we summarized information on diversity, the ecological role, and biotechnological potential of marine fungi in the coldest biome on Earth. This review also discloses the importance of boosting research on Antarctic fungi as hidden treasures of biodiversity and bioactive molecules to better understand their role in marine ecosystem functioning and their applications in different biotechnological fields.
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Affiliation(s)
- Stefano Varrella
- Department of Materials, Environmental Sciences and Urban Planning, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy
| | - Giulio Barone
- Institute for Biological Resources and Marine Biotechnologies, National Research Council (IRBIM-CNR), Largo Fiera della Pesca, 60125 Ancona, Italy;
| | - Michael Tangherlini
- Department of Research Infrastructures for Marine Biological Resources, Stazione Zoologica “Anton Dohrn”, Fano Marine Centre, Viale Adriatico 1-N, 61032 Fano, Italy;
| | - Eugenio Rastelli
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Fano Marine Centre, Viale Adriatico 1-N, 61032 Fano, Italy;
| | - Antonio Dell’Anno
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy;
| | - Cinzia Corinaldesi
- Department of Materials, Environmental Sciences and Urban Planning, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy
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4
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Blanár E, Leitgeb B. Studying the helical conformations of aspereline peptides. Chem Biol Drug Des 2021; 97:1029-1037. [PMID: 33638250 DOI: 10.1111/cbdd.13834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 02/15/2021] [Accepted: 02/21/2021] [Indexed: 11/29/2022]
Abstract
Asperelines are short-sequence peptaibol molecules, and these peptides composed of 10 residues were isolated from the Trichoderma asperellum. In our study, a detailed structural characterization was performed on the asperelines by means of molecular dynamics methods. For the aspereline peptides, the occurrence of various secondary structural elements (i.e. β-turns and helical structures) was investigated along their entire sequences. The results derived from the simulated annealing calculations led to the observations that in the case of asperelines, the types I, III and III' β-turn structures, as well as their stabilizing i ← i+3 H-bonds appeared. However, beside the different β-turns, shorter or longer helical structures were also detected. Based on the results obtained by the molecular dynamics simulations, it was concluded that the three-dimensional structure of aspereline peptides could be characterized by helical conformations (i.e. 310 - and α-helix). Nevertheless, on the basis of individual molecular dynamics trajectories, it was observed that the asperelines could adopt not only the right-handed, but also the left-handed helical structures.
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Affiliation(s)
- Eszter Blanár
- Institute of Biophysics, Biological Research Centre, Szeged, Hungary
| | - Balázs Leitgeb
- Institute of Biophysics, Biological Research Centre, Szeged, Hungary
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Bioactive Secondary Metabolites from Psychrophilic Fungi and Their Industrial Importance. Fungal Biol 2021. [DOI: 10.1007/978-3-030-85603-8_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Ben Ali W, Chaduli D, Navarro D, Lechat C, Turbé-Doan A, Bertrand E, Faulds CB, Sciara G, Lesage-Meessen L, Record E, Mechichi T. Screening of five marine-derived fungal strains for their potential to produce oxidases with laccase activities suitable for biotechnological applications. BMC Biotechnol 2020; 20:27. [PMID: 32398071 PMCID: PMC7218534 DOI: 10.1186/s12896-020-00617-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 04/27/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Environmental pollution is one of the major problems that the world is facing today. Several approaches have been taken, from physical and chemical methods to biotechnological strategies (e.g. the use of oxidoreductases). Oxidative enzymes from microorganisms offer eco-friendly, cost-effective processes amenable to biotechnological applications, such as in industrial dye decolorization. The aim of this study was to screen marine-derived fungal strains isolated from three coastal areas in Tunisia to identify laccase-like activities, and to produce and characterize active cell-free supernatants of interest for dye decolorization. RESULTS Following the screening of 20 fungal strains isolated from the harbors of Sfax and Monastir (Tunisia), five strains were identified that displayed laccase-like activities. Molecular-based taxonomic approaches identified these strains as belonging to the species Trichoderma asperellum, Stemphylium lucomagnoense and Aspergillus nidulans. Among these five isolates, one T. asperellum strain (T. asperellum 1) gave the highest level of secreted oxidative activities, and so was chosen for further studies. Optimization of the growth medium for liquid cultures was first undertaken to improve the level of laccase-like activity in culture supernatants. Finally, the culture supernatant of T. asperellum 1 decolorized different synthetic dyes belonging to diverse dye families, in the presence or absence of 1-hydroxybenzotriazole (HBT) as a mediator. CONCLUSIONS The optimal growth conditions to produce laccase-like active cell-free supernatants from T. asperellum 1 were 1.8 mM CuSO4 as an inducer, 1% NaCl to mimic a seawater environment and 3% sucrose as a carbon source. The culture supernatant of T. asperellum 1 effectively decolorized different synthetic dyes belonging to diverse chemical classes, and the presence of HBT as a mediator improved the decolorization process.
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Affiliation(s)
- Wissal Ben Ali
- Ecole Nationale d'Ingénieurs de Sfax, Laboratoire de Biochimie et de Génie enzymatique des lipases, Université de Sfax, Sfax, Tunisie. .,Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France.
| | - Delphine Chaduli
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France.,INRA, Aix-Marseille Université, UMR1163, CIRM-CF, Marseille, France
| | - David Navarro
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France.,INRA, Aix-Marseille Université, UMR1163, CIRM-CF, Marseille, France
| | - Christian Lechat
- Ascofrance, 64 route de Chizé, F-79360, Villiers-en-Bois, France
| | - Annick Turbé-Doan
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Emmanuel Bertrand
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Craig B Faulds
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Giuliano Sciara
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Laurence Lesage-Meessen
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Eric Record
- Biodiversité et Biotechnologie Fongiques, Aix-Marseille Université, INRA UMR1163, Marseille, France
| | - Tahar Mechichi
- Ecole Nationale d'Ingénieurs de Sfax, Laboratoire de Biochimie et de Génie enzymatique des lipases, Université de Sfax, Sfax, Tunisie
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Cultivable fungi present in deep-sea sediments of Antarctica: taxonomy, diversity, and bioprospecting of bioactive compounds. Extremophiles 2019; 24:227-238. [PMID: 31758267 DOI: 10.1007/s00792-019-01148-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 11/07/2019] [Indexed: 12/24/2022]
Abstract
We accessed the culturable mycobiota present in marine sediments at different depths in Antarctica Ocean. Acremonium fusidioides, Penicillium allii-sativi, Penicillium chrysogenum, Penicillium palitans, Penicillium solitum, and Pseudogymnoascus verrucosus were identified. Penicillium allii-sativi was the dominant species. At least one isolate of each species was capable to present antifungal, trypanocidal, leishmanicidal, antimalarial, nematocidal, or herbicidal activities. Penicillium produced extracts with strong trypanocidal and antimalarial activities, and the extracts of P. solitum and P. chrysogenum demonstrated strong antimalarial activities. Acremonium fusidioides and P. verrucosus displayed strong selective herbicidal properties. The 1H NMR signals for extracts of A. fusidioides, P. chrysogenum, and P. solitum indicated the presence of highly functionalized secondary metabolites, which may be responsible for the biological activities detected. In the deep marine Antarctic sediments, we detected fungal assemblages in which the Penicillium species were found to be dominant and demonstrated capabilities to survive and/or colonise that poly-extreme habitat. Penicillium being a polyextremophile Antarctic species, exhibited strong biological activities and the presence of aromatic compounds in its extracts may indicate that they are wild ancient strains with high genetic and biochemical potentials that enable them to produce bioactive compounds which can be researched in further studies and used in the chemotherapy of neglected tropical diseases as well as in agriculture.
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Hyporientalin A, an anti-Candida peptaibol from a marine Trichoderma orientale. World J Microbiol Biotechnol 2018; 34:98. [PMID: 29922855 DOI: 10.1007/s11274-018-2482-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 06/14/2018] [Indexed: 10/28/2022]
Abstract
A Trichoderma orientale strain LSBA1 was isolated from the Mediterranean marine sponge Cymbaxinella damicornis. The crude extract of T. orientale mycelium showed inhibitory activity against growth of Gram-positive and Gram-negative bacteria as well as clinical isolates of Candida albicans. Purification of the anti-Candida component was performed using a combination of open silica gel-60 column and reverse phase high performance liquid chromatography. The active compound called hyporientalin A has been identified as a peptaibol analogue of longibrachin-A-II using mass spectrometry. It exhibited fungicidal activity against clinical isolates of C. albicans with minimal inhibitory concentrations (MICs) ranging from 2.49 to 19.66 µM, comparable to that of the antifungal agent amphotericin B. Our data support the use of hyporientalin A as a promising new and efficient antifungal drug in the treatment of candidiasis while controlling toxicity.
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Tolyprolinol, a new dipeptide from Tolypocladium sp. FKI-7981. J Antibiot (Tokyo) 2018; 71:682-684. [DOI: 10.1038/s41429-018-0041-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 02/05/2018] [Accepted: 02/05/2018] [Indexed: 11/08/2022]
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10
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Secondary Metabolites from Polar Organisms. Mar Drugs 2017; 15:md15030028. [PMID: 28241505 PMCID: PMC5367009 DOI: 10.3390/md15030028] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 01/24/2017] [Accepted: 01/29/2017] [Indexed: 01/11/2023] Open
Abstract
Polar organisms have been found to develop unique defences against the extreme environment environment, leading to the biosynthesis of novel molecules with diverse bioactivities. This review covers the 219 novel natural products described since 2001, from the Arctic and the Antarctic microoganisms, lichen, moss and marine faunas. The structures of the new compounds and details of the source organism, along with any relevant biological activities are presented. Where reported, synthetic and biosynthetic studies on the polar metabolites have also been included.
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Mohamed-Benkada M, François Pouchus Y, Vérité P, Pagniez F, Caroff N, Ruiz N. Identification and Biological Activities of Long-Chain Peptaibols Produced by a Marine-Derived Strain ofTrichoderma longibrachiatum. Chem Biodivers 2016; 13:521-30. [DOI: 10.1002/cbdv.201500159] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Accepted: 12/11/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Mustapha Mohamed-Benkada
- Département de Biotechnologie; Faculté des Sciences de la Nature et de la Vie; Université des Sciences et de la Technologie d'Oran-Mohamed Boudiaf (USTO-MB); El Mnaouar, B.P. 1505 Bir El Djir 31000 Oran Algeria
| | | | - Philippe Vérité
- Laboratoire de Chimie Analytique; Faculté de Médecine et Pharmacie; Université de Rouen; FR-76000 Rouen
| | - Fabrice Pagniez
- Laboratoire de Parasitologie et Mycologie Médicale, IICiMed; Faculté de Pharmacie; Université de Nantes; FR-44000 Nantes
| | - Nathalie Caroff
- Laboratoire Thérapeutiques Cliniques et Expérimentales des Infections; Faculté de Médecine; Université de Nantes; FR-44000 Nantes
| | - Nicolas Ruiz
- Faculté de Pharmacie, MMS; Université de Nantes; FR-44000 Nantes
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Neumann NKN, Stoppacher N, Zeilinger S, Degenkolb T, Brückner H, Schuhmacher R. The peptaibiotics database--a comprehensive online resource. Chem Biodivers 2016; 12:743-51. [PMID: 26010663 DOI: 10.1002/cbdv.201400393] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 01/29/2023]
Abstract
In this work, we present the 'Peptaibiotics Database' (PDB), a comprehensive online resource, which intends to cover all Aib-containing non-ribosomal fungal peptides currently described in scientific literature. This database shall extend and update the recently published 'Comprehensive Peptaibiotics Database' and currently consists of 1,297 peptaibiotic sequences. In a literature survey, a total of 235 peptaibiotic sequences published between January 2013 and June 2014 have been compiled, and added to the list of 1,062 peptides in the recently published 'Comprehensive Peptaibiotics Database'. The presented database is intended as a public resource freely accessible to the scientific community at peptaibiotics-database.boku.ac.at. The search options of the previously published repository and the presentation of sequence motif searches have been extended significantly. All of the available search options can be combined to create complex database queries. As a public repository, the presented database enables the easy upload of new peptaibiotic sequences or the correction of existing informations. In addition, an administrative interface for maintenance of the content of the database has been implemented, and the design of the database can be easily extended to store additional information to accommodate future needs of the 'peptaibiomics community'.
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Affiliation(s)
- Nora K N Neumann
- Center for Analytical Chemistry, Department of Agrobiotechnology IFA-Tulln, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad Lorenz Straße 20, A-3430 Tulln, (phone: +43-2272-66280)
| | - Norbert Stoppacher
- Center for Analytical Chemistry, Department of Agrobiotechnology IFA-Tulln, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad Lorenz Straße 20, A-3430 Tulln, (phone: +43-2272-66280).,Bureau International des Poids et Mesures, Pavillon de Breteuil, F-92312 Sèvres Cedex
| | - Susanne Zeilinger
- Institute of Chemical Engineering, Vienna University of Technology, Gumpendorferstrasse 1a, A-1060 Vienna
| | - Thomas Degenkolb
- Research Center for Biosystems, Land Use and Nutrition, Department of Applied Entomology, University of Giessen, Heinrich-Buff-Ring 26.32, D-35392 Gießen
| | - Hans Brückner
- Research Center for Biosystems, Land Use and Nutrition, Department of Food Sciences, University of Giessen, Heinrich-Buff-Ring 26.32, D-35392 Gießen
| | - Rainer Schuhmacher
- Center for Analytical Chemistry, Department of Agrobiotechnology IFA-Tulln, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad Lorenz Straße 20, A-3430 Tulln, (phone: +43-2272-66280).
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Abstract
This review covers the literature published in 2013 for marine natural products (MNPs), with 982 citations (644 for the period January to December 2013) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1163 for 2013), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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Röhrich CR, Jaklitsch WM, Voglmayr H, Iversen A, Vilcinskas A, Nielsen KF, Thrane U, von Döhren H, Brückner H, Degenkolb T. Front line defenders of the ecological niche! Screening the structural diversity of peptaibiotics from saprotrophic and fungicolous Trichoderma/Hypocrea species. FUNGAL DIVERS 2014; 69:117-146. [PMID: 25722662 PMCID: PMC4338523 DOI: 10.1007/s13225-013-0276-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Approximately 950 individual sequences of non-ribosomally biosynthesised peptides are produced by the genus Trichoderma/Hypocrea that belong to a perpetually growing class of mostly linear antibiotic oligopeptides, which are rich in the non-proteinogenic α-aminoisobutyric acid (Aib). Thus, they are comprehensively named peptaibiotics. Notably, peptaibiotics represent ca. 80 % of the total inventory of secondary metabolites currently known from Trichoderma/Hypocrea. Their unique membrane-modifying bioactivity results from amphipathicity and helicity, thus making them ideal candidates in assisting both colonisation and defence of the natural habitats by their fungal producers. Despite this, reports on the in vivo-detection of peptaibiotics have scarcely been published in the past. In order to evaluate the significance of peptaibiotic production for a broader range of potential producers, we screened nine specimens belonging to seven hitherto uninvestigated fungicolous or saprotrophic Trichoderma/Hypocrea species by liquid chromatography coupled to electrospray high resolution mass spectrometry. Sequences of peptaibiotics found were independently confirmed by analysing the peptaibiome of pure agar cultures obtained by single-ascospore isolation from the specimens. Of the nine species examined, five were screened positive for peptaibiotics. A total of 78 peptaibiotics were sequenced, 56 (=72 %) of which are new. Notably, dihydroxyphenylalaninol and O-prenylated tyrosinol, two C-terminal residues, which have not been reported for peptaibiotics before, were found as well as new and recurrent sequences carrying the recently described tyrosinol residue at their C-terminus. The majority of peptaibiotics sequenced are 18- or 19-residue peptaibols. Structural homologies with 'classical representatives' of subfamily 1 (SF1)-peptaibiotics argue for the formation of transmembrane ion channels, which are prone to facilitate the producer capture and defence of its substratum.
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Affiliation(s)
- Christian R Röhrich
- Bioresources Project Group, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Winchesterstrasse 2, 35394 Giessen, Germany. Present Address: AB SCIEX Germany GmbH, Landwehrstrasse 54, 64293 Darmstadt, Germany
| | - Walter M Jaklitsch
- Department of Systematic and Evolutionary Botany, Faculty Centre of Biodiversity, University of Vienna, Rennweg 14, 1030 Vienna, Austria
| | - Hermann Voglmayr
- Department of Systematic and Evolutionary Botany, Faculty Centre of Biodiversity, University of Vienna, Rennweg 14, 1030 Vienna, Austria
| | - Anita Iversen
- Department of Systems Biology, Technical University of Denmark, Søltofts Plads, Building 221, 2800 Kgs. Lyngby, Denmark. Present Address: Danish Emergency Management Agency, Universitetsparken 2, 2100 Copenhagen, Denmark
| | - Andreas Vilcinskas
- Bioresources Project Group, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Winchesterstrasse 2, 35394 Giessen, Germany; Interdisciplinary Research Centre for BioSystems, Land Use and Nutrition (IFZ), Department of Applied Entomology, Institute of Phytopathology and Applied Zoology (IPAZ), University of Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Kristian Fog Nielsen
- Department of Systems Biology, Technical University of Denmark, Søltofts Plads, Building 221, 2800 Kgs. Lyngby, Denmark
| | - Ulf Thrane
- Department of Systems Biology, Technical University of Denmark, Søltofts Plads, Building 221, 2800 Kgs. Lyngby, Denmark
| | - Hans von Döhren
- Biochemistry and Molecular Biology OE 2, Institute of Chemistry, Technical University of Berlin, Franklinstrasse 29, 10587 Berlin, Germany
| | - Hans Brückner
- Interdisciplinary Research Centre for BioSystems, Land Use and Nutrition (IFZ), Department of Food Sciences, Institute of Nutritional Science, University of Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
| | - Thomas Degenkolb
- Interdisciplinary Research Centre for BioSystems, Land Use and Nutrition (IFZ), Department of Applied Entomology, Institute of Phytopathology and Applied Zoology (IPAZ), University of Giessen, Heinrich-Buff-Ring 26-32, 35392 Giessen, Germany
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Brito JP, Ramada MH, de Magalhães MT, Silva LP, Ulhoa CJ. Peptaibols from Trichoderma asperellum TR356 strain isolated from Brazilian soil. SPRINGERPLUS 2014; 3:600. [PMID: 25392773 PMCID: PMC4209003 DOI: 10.1186/2193-1801-3-600] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 09/19/2014] [Indexed: 11/10/2022]
Abstract
The Trichoderma genus consists of a group of free-living filamentous fungi, including species able to act as biological control agents (BCAs) against pathogenic fungi. It is believed that this ability is due to synergy between several mechanisms, including the production of a wide variety of secondary metabolites by these organisms. Among these, we highlight the production of peptaibols, an antibiotic peptide group characterized by the presence of non-proteinogenic amino acids such as α-aminoisobutyrate (Aib), as well as by N-terminal modifications and amino alcohols in the C-terminal region. This study aimed to outline a profile of peptaibol production and to identify secreted peptaibols from the Trichoderma asperellum TR356 strain, described as an efficient BCA against S. sclerotiorum. The fungus was grown on TLE 0.3% glucose medium for 5 days, with agitation at 120 rpm in the dark. Liquid medium filtrate was used as the metabolite source. These extracts were subjected to high performance liquid chromatography (HPLC) and subsequent analysis by matrix-assisted laser desorption ionization mass spectrometry (MALDI-TOF). The results indicate the production of two classes of peptaibols for this T. asperellum strain. Primary structures of two asperelines (A and E) and five trichotoxins (T5D2, T5E, T5F, T5G and 1717A) have been elucidated. Most of these peptaibols had been previously described in T. viride and T. asperellum marine strains. This is the first report of some of these compounds being produced by a T. asperellum strain from soil. Future analyses will be necessary to elucidate the three-dimensional structures and their activities against pathogens.
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Affiliation(s)
- João Pc Brito
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Goiás (ICB II), 74001-970 Goiânia, GO Brasil
| | - Marcelo Hs Ramada
- Empresa Brasileira de Pesquisa Agropecuária, Centro Nacional de Pesquisa de Recursos Genéticos e Biotecnologia, PBI. Parque Estação Biológica, Asa Norte, 70910-90 Brasília, DF Brasil
| | - Mariana Tq de Magalhães
- Department of Molecular, Microbial and Structural Biology, University of Connecticut Health Center - Uconn Health Center, 263 Farmington Avenue, Farmington, CT 06030 USA
| | - Luciano P Silva
- Empresa Brasileira de Pesquisa Agropecuária, Centro Nacional de Pesquisa de Recursos Genéticos e Biotecnologia, PBI. Parque Estação Biológica, Asa Norte, 70910-90 Brasília, DF Brasil
| | - Cirano J Ulhoa
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Goiás (ICB II), 74001-970 Goiânia, GO Brasil
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