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Zhuang Y, Wang H, Tan F, Wu B, Liu L, Qin H, Yang Z, He M. Rhizosphere metabolic cross-talk from plant-soil-microbe tapping into agricultural sustainability: Current advance and perspectives. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 210:108619. [PMID: 38604013 DOI: 10.1016/j.plaphy.2024.108619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/21/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Rhizosphere interactions from plant-soil-microbiome occur dynamically all the time in the "black microzone" underground, where we can't see intuitively. Rhizosphere metabolites including root exudates and microbial metabolites act as various chemical signalings involving in rhizosphere interactions, and play vital roles on plant growth, development, disease suppression and resistance to stress conditions as well as proper soil health. Although rhizosphere metabolites are a mixture from plant roots and soil microbes, they often are discussed alone. As a rapid appearance of various omics platforms and analytical methods, it offers possibilities and opportunities for exploring rhizosphere interactions in unprecedented breadth and depth. However, our comprehensive understanding about the fine-tuning mechanisms of rhizosphere interactions mediated by these chemical compounds still remain clear. Thus, this review summarizes recent advances systemically including the features of rhizosphere metabolites and their effects on rhizosphere ecosystem, and looks forward to the future research perspectives, which contributes to facilitating better understanding of biochemical communications belowground and helping identify novel rhizosphere metabolites. We also address challenges for promoting the understanding about the roles of rhizosphere metabolites in different environmental stresses.
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Affiliation(s)
- Yong Zhuang
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China.
| | - Hao Wang
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - Furong Tan
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - Bo Wu
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - Linpei Liu
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - Han Qin
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - ZhiJuan Yang
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China
| | - Mingxiong He
- Biogas Institute of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, 610041, Chengdu, China.
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Silva IMM, Silva RM, Paula VB, Estevinho LM. Biological activities of endophytic fungi isolated from Annona muricata Linnaeus: a systematic review. BRAZ J BIOL 2024; 84:e259525. [DOI: 10.1590/1519-6984.259525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 03/30/2022] [Indexed: 11/21/2022] Open
Abstract
Abstract This systematic review integrates the data available in the literature regarding the biological activities of the extracts of endophytic fungi isolated from Annona muricata and their secondary metabolites. The search was performed using four electronic databases, and studies' quality was evaluated using an adapted assessment tool. The initial database search yielded 436 results; ten studies were selected for inclusion. The leaf was the most studied part of the plant (in nine studies); Periconia sp. was the most tested fungus (n = 4); the most evaluated biological activity was anticancer (n = 6), followed by antiviral (n = 3). Antibacterial, antifungal, and antioxidant activities were also tested. Terpenoids or terpenoid hybrid compounds were the most abundant chemical metabolites. Phenolic compounds, esters, alkaloids, saturated and unsaturated fatty acids, aromatic compounds, and peptides were also reported. The selected studies highlighted the biotechnological potentiality of the endophytic fungi extracts from A. muricata. Consequently, it can be considered a promising source of biological compounds with antioxidant effects and active against different microorganisms and cancer cells. Further research is needed involving different plant tissues, other microorganisms, such as SARS-CoV-2, and different cancer cells.
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Affiliation(s)
| | - R. M. Silva
- Universidade Federal do Recôncavo da Bahia, Brasil
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3
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Zhu Z, Yang C, Keyhani NO, Liu S, Pu H, Jia P, Wu D, Stevenson PC, Fernández-Grandon GM, Pan J, Chen Y, Guan X, Qiu J. Characterization of Terpenoids from the Ambrosia Beetle Symbiont and Laurel Wilt Pathogen Harringtonia lauricola. J Fungi (Basel) 2023; 9:1175. [PMID: 38132776 PMCID: PMC10744799 DOI: 10.3390/jof9121175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
Little is known concerning terpenoids produced by members of the fungal order Ophiostomales, with the member Harringtonia lauricola having the unique lifestyle of being a beetle symbiont but potentially devastating tree pathogen. Nine known terpenoids, including six labdane diterpenoids (1-6) and three hopane triterpenes (7-9), were isolated from H. lauricola ethyl acetate (EtOAc) extracts for the first time. All compounds were tested for various in vitro bioactivities. Six compounds, 2, 4, 5, 6, 7, and 9, are described functionally. Compounds 2, 4, 5, and 9 expressed potent antiproliferative activity against the MCF-7, HepG2 and A549 cancer cell lines, with half-maximal inhibitory concentrations (IC50s) ~12.54-26.06 μM. Antimicrobial activity bioassays revealed that compounds 4, 5, and 9 exhibited substantial effects against Gram-negative bacteria (Escherichia coli and Ralstonia solanacearum) with minimum inhibitory concentration (MIC) values between 3.13 and 12.50 μg/mL. Little activity was seen towards Gram-positive bacteria for any of the compounds, whereas compounds 2, 4, 7, and 9 expressed antifungal activities (Fusarium oxysporum) with MIC values ranging from 6.25 to 25.00 μg/mL. Compounds 4, 5, and 9 also displayed free radical scavenging abilities towards 2,2-diphenyl-1-picrylhydrazyl (DPPH) and superoxide (O2-), with IC50 values of compounds 2, 4, and 6 ~3.45-14.04 μg/mL and 22.87-53.31 μg/mL towards DPPH and O2-, respectively. These data provide an insight into the biopharmaceutical potential of terpenoids from this group of fungal insect symbionts and plant pathogens.
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Affiliation(s)
- Zhiqiang Zhu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
| | - Chenjie Yang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
| | - Nemat O. Keyhani
- Department of Biological Sciences, University of Illinois, Chicago, IL 60607, USA;
| | - Sen Liu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
| | - Huili Pu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
| | - Peisong Jia
- Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China;
| | - Dongmei Wu
- Biotechnology Research Institute, Xinjiang Academy of Agricultural and Reclamation Sciences, Shihezi 832061, China;
| | - Philip C. Stevenson
- Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent ME4 4TB, UK; (P.C.S.); (G.M.F.-G.)
| | | | - Jieming Pan
- College of Biology & Pharmacy, Yulin Normal University, Yulin 537000, China;
| | - Yuxi Chen
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
| | - Xiayu Guan
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Junzhi Qiu
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Z.Z.); (C.Y.); (S.L.); (H.P.); (Y.C.)
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Purbaya S, Harneti D, Safriansyah W, Rahmawati, Wulandari AP, Mulyani Y, Supratman U. Secondary Metabolites of Biscogniauxia: Distribution, Chemical Diversity, Bioactivity, and Implications of the Occurrence. Toxins (Basel) 2023; 15:686. [PMID: 38133190 PMCID: PMC10747060 DOI: 10.3390/toxins15120686] [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: 09/30/2023] [Revised: 10/19/2023] [Accepted: 10/19/2023] [Indexed: 12/23/2023] Open
Abstract
The genus Biscogniauxia, a member of the family Xylariaceae, is distributed worldwide with more than 50 recognized taxa. Biscogniauxia species is known as a plant pathogen, typically acting as a parasite on tree bark, although certain members of this genus also function as endophytic microorganisms. Biscogniauxia endophytic strain has received attention in many cases, which includes constituent research leading to the discovery of various bioactive secondary metabolites. Currently, there are a total of 115 chemical compounds belonging to the class of secondary metabolites, and among these compounds, fatty acids have been identified. In addition, the strong pharmacological agents of this genus are (3aS,4aR,8aS,9aR)-3a-hydroxy-8a-methyl-3,5-dimethylenedecahydronaphto [2,3-b]furan-2(3H)-one (HDFO) (antifungal), biscopyran (phytotoxic activity), reticulol (antioxidant), biscogniazaphilone A and B (antimycobacterial), and biscogniauxone (Enzyme GSK3 inhibitor). This comprehensive research contributes significantly to the potential discovery of novel drugs produced by Biscogniauxia and holds promise for future development. Importantly, it represents the first-ever review of natural products originating from the Biscogniauxia genus.
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Affiliation(s)
- Sari Purbaya
- Department of Chemistry, Faculty of Science and Informatics, Universitas Jenderal Achmad Yani, Cimahi 40531, Indonesia;
- Departments of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia; (D.H.); (W.S.); (Y.M.)
| | - Desi Harneti
- Departments of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia; (D.H.); (W.S.); (Y.M.)
| | - Wahyu Safriansyah
- Departments of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia; (D.H.); (W.S.); (Y.M.)
| | - Rahmawati
- Central Laboratory, Universitas Padjadjaran, Jatinangor 45363, Indonesia;
| | - Asri Peni Wulandari
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia;
| | - Yeni Mulyani
- Departments of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia; (D.H.); (W.S.); (Y.M.)
| | - Unang Supratman
- Departments of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia; (D.H.); (W.S.); (Y.M.)
- Central Laboratory, Universitas Padjadjaran, Jatinangor 45363, Indonesia;
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Spina R, Ropars A, Bouazzi S, Dadi S, Lemiere P, Dupire F, Khiralla A, Yagi S, Frippiat JP, Laurain-Mattar D. Screening of Anti-Inflammatory Activity and Metabolomics Analysis of Endophytic Fungal Extracts; Identification and Characterization of Perylenequinones and Terpenoids from the Interesting Active Alternaria Endophyte. Molecules 2023; 28:6531. [PMID: 37764307 PMCID: PMC10534442 DOI: 10.3390/molecules28186531] [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: 07/25/2023] [Revised: 08/24/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Patients suffering from inflammatory chronic diseases are classically treated with anti-inflammatory drugs but unfortunately are highly susceptible to becoming resistant to their treatment. Finding new drugs is therefore crucial and urgent and research on endophytic fungi is a promising way forward. Endophytic fungi are microorganisms that colonize healthy plants and live within their intercellular tissues. They are able to produce a large variety of secondary metabolites while allowing their host to stay healthy. A number of these molecules are endowed with antioxidant or antimicrobial as well as cytotoxic properties, making them very interesting/promising in the field of human therapy. The aim of our study was to investigate whether extracts from five endophytic fungi isolated from plants are endowed with anti-inflammatory activity. Extracts of the endophytic fungi Alternaria alternata from Calotropis procera leaves and Aspergillus terreus from Trigonella foenum-graecum seeds were able to counteract the lipopolysaccharide (LPS) pro-inflammatory effect on THP-1 cells differentiated into macrophages. Moreover, they were able to induce an anti-inflammatory state, rendering them less sensitive to the LPS pro-inflammatory stimulus. Taken together, these results show that these both endophytic fungi could be interesting alternatives to conventional anti-inflammatory drugs. To gain more detailed knowledge of their chemical richness, phytochemical analysis of the ethyl acetate extracts of the five endophytic fungi studied was performed using HPTLC, GC-MS and LC-MS with the Global Natural Products Social (GNPS) platform and the MolNetEnhancer tool. A large family of metabolites (carboxylic acids and derivatives, steroid derivatives, alkaloids, hydroxyanthraquinones, valerolactones and perylenequinones) were detected. The purification of endophytic fungus extract of Alternaria alternate, which diminished TNF-α production of 66% at 20 µg/mL, incubated one hour before LPS addition, led to the characterization of eight pure compounds. These molecules are altertoxins I, II, III, tricycloalternarenes 3a, 1b, 2b, anthranilic acid, and o-acetamidobenzoic acid. In the future, all these pure compounds will be evaluated for their anti-inflammatory activity, while altertoxin II has been shown in the literature as the most active mycotoxin in terms of anti-inflammatory activity.
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Affiliation(s)
- Rosella Spina
- Université de Lorraine, INRAE, LAE, F-54000 Nancy, France;
| | - Armelle Ropars
- Université de Lorraine, SIMPA, F-54000 Nancy, France; (A.R.); (J.-P.F.)
| | - Sihem Bouazzi
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.B.); (S.D.); (P.L.); (F.D.)
| | - Safa Dadi
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.B.); (S.D.); (P.L.); (F.D.)
| | - Pascal Lemiere
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.B.); (S.D.); (P.L.); (F.D.)
| | - François Dupire
- Université de Lorraine, CNRS, L2CM, F-54000 Nancy, France; (S.B.); (S.D.); (P.L.); (F.D.)
| | - Afra Khiralla
- Botany Department, Faculty of Sciences and Technologies, Shendi University, Shendi 11111, Sudan;
| | - Sakina Yagi
- Department of Botany, Faculty of Science, University of Khartoum, Khartoum 11115, Sudan;
| | - Jean-Pol Frippiat
- Université de Lorraine, SIMPA, F-54000 Nancy, France; (A.R.); (J.-P.F.)
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Ferreira AM, da Silva Sena I, Curti J, de Souza AA, Dos Santos Lima PC, Rodrigues ABL, da Silva Ramos R, de Souza Pinheiro WB, Ferreira IM, Carvalho JCT. Trichoderma asperellum Extract Isolated from Brazil Nuts ( Bertholletia excelsa BONPL): In Vivo and In Silico Studies on Melanogenesis in Zebrafish. Microorganisms 2023; 11:microorganisms11041089. [PMID: 37110512 PMCID: PMC10146319 DOI: 10.3390/microorganisms11041089] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/02/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Endophytic fungi are those that present part of their life cycle in healthy tissues of different plant hosts in symbiosis without causing harm. At the same time, fungus-plant symbiosis makes it possible for microorganisms to synthesize their own bioactive secondary metabolites while in the stationary stage. To accomplish this, the endophytic fungus Trichoderma asperellum was isolated from Bertholletia excelsa (Brazil nut) almonds. The fungus was cultivated and extracted with ethyl acetate, obtaining AM07Ac. Then, using HPTLC (High-performance thin-layer chromatography) and nuclear magnetic resonance (1H NMR), β-amyrin, kaempferol, and brucine were identified as major compounds. Further in vivo assays in zebrafish demonstrated the activity of AM07Ac on melanogenesis by producing a concentration-response inhibitory effect, which, through an in silico study, proved to be related to the noted major compounds known to inhibit tyrosinase activity. The inhibition of tyrosinase prevents melanin accumulation in skin. Therefore, these results imply the importance of investigating microorganisms and their pharmacological activities, in particular the endophytic fungus Trichoderma asperellum as a generator of active metabolites for melanogenesis modulation.
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Affiliation(s)
- Adriana Maciel Ferreira
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Iracirema da Silva Sena
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Jhone Curti
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Agerdânio Andrade de Souza
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Paulo Cesar Dos Santos Lima
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Alex Bruno Lobato Rodrigues
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Ryan da Silva Ramos
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - Wandson Braamcamp de Souza Pinheiro
- Central Extraction Laboratory, Graduate Program in Chemistry, Federal University of Pará, R. Augusto Corrêa, Guamá, 01, Belém 66075-110, Brazil
| | - Irlon Maciel Ferreira
- Laboratory of Biocatalysis and Applied Organic Synthesis, Department of Exact Sciences, Chemistry Course, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
| | - José Carlos Tavares Carvalho
- Research Laboratory of Drugs, Department of Biological and Health Sciences, Federal University of Amapá, Rod. JK, km 02, Macapá 68902-280, Brazil
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Sallam A, El-Metwally M, Sabry MA, Elsbaey M. Cladamide: a new ceramide from the endophytic fungus Cladosporium cladosporioides. Nat Prod Res 2023; 37:1082-1091. [PMID: 34622719 DOI: 10.1080/14786419.2021.1986709] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A new ceramide, named cladamide (1), in addition to cinnamic acid (2), para-coumaric acid (3), stigmasterol-3-O-β-D-glucoside (4), and uracil (5), was isolated from the white beans culture of Cladosporium cladosporioides, a marine-derived endohpytic fungus isolated from the leaves of the mangrove, Avicennia marina (Forssk.) Vierh. Structure elucidation of compound 1 was established on the basis of extensive 1D and 2D NMR spectroscopic techniques in combination with HR-ESI-MS. The ability of the isolated compounds to inhibit acetylcholine esterase was evaluated. Compound 3 showed the highest acetylcholine esterase inhibitory activity (IC50 = 0.057 ± 0.003 µM), followed by compound 4 (IC50 = 0.068 ± 0.003 µM) and compound 1 (IC50 = 0.099 ± 0.005 µM) compared to donepezil, the positive control, (IC50 = 0.044 ± 0.002 µM). Compounds 2 and 5 showed lower activity (IC50 = 0.182 ± 0.009 and 0.236 ± 0.012 µM, respectively). The results were further validated by molecular docking study.
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Affiliation(s)
- Amal Sallam
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Mohamed El-Metwally
- Division of Marine Environment, National Institute of Oceanography and Fisheries, Hurgada, Egypt
| | - Mohamed A Sabry
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Marwa Elsbaey
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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Clerissi C, Chaïb S, Raviglione D, Espiau B, Bertrand C, Meyer JY. Metabarcoding and Metabolomics Reveal the Effect of the Invasive Alien Tree Miconia calvescens DC. on Soil Diversity on the Tropical Island of Mo'orea (French Polynesia). Microorganisms 2023; 11:microorganisms11040832. [PMID: 37110253 PMCID: PMC10144827 DOI: 10.3390/microorganisms11040832] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/10/2023] [Accepted: 03/16/2023] [Indexed: 04/29/2023] Open
Abstract
Miconia calvescens is a dominant invasive alien tree species that threatens several endemic plants in French Polynesia (South Pacific). While most analyses have been performed at the scale of plant communities, the effects on the rhizosphere have not been described so far. However, this compartment can be involved in plant fitness through inhibitory activities, nutritive exchanges, and communication with other organisms. In particular, it was not known whether M. calvescens forms specific associations with soil organisms or has a specific chemical composition of secondary metabolites. To tackle these issues, the rhizosphere of six plant species was sampled on the tropical island of Mo'orea in French Polynesia at both the seedling and tree stages. The diversity of soil organisms (bacteria, microeukaryotes, and metazoa) and of secondary metabolites was studied using high-throughput technologies (metabarcoding and metabolomics, respectively). We found that trees had higher effects on soil diversity than seedlings. Moreover, M. calvescens showed a specific association with microeukaryotes of the Cryptomycota family at the tree stage. This family was positively correlated with the terpenoids found in the soil. Many terpenoids were also found within the roots of M. calvescens, suggesting that these molecules were probably produced by the plant and favored the presence of Cryptomycota. Both terpenoids and Cryptomycota were thus specific chemicals and biomarkers of M. calvescens. Additional studies must be performed in the future to better understand if they contribute to the success of this invasive tree.
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Affiliation(s)
- Camille Clerissi
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Slimane Chaïb
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Delphine Raviglione
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Benoit Espiau
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, B.P. 1013, 98729 Papetoai, Mo'orea, France
| | - Cédric Bertrand
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Jean-Yves Meyer
- Délégation à la Recherche, B.P. 20981, 98713 Papeete, Tahiti, France
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Recent Advances in Using Natural Antibacterial Additives in Bioactive Wound Dressings. Pharmaceutics 2023; 15:pharmaceutics15020644. [PMID: 36839966 PMCID: PMC10004169 DOI: 10.3390/pharmaceutics15020644] [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: 01/10/2023] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Wound care is a global health issue with a financial burden of up to US $96.8 billion annually in the USA alone. Chronic non-healing wounds which show delayed and incomplete healing are especially problematic. Although there are more than 3000 dressing types in the wound management market, new developments in more efficient wound dressings will require innovative approaches such as embedding antibacterial additives into wound-dressing materials. The lack of novel antibacterial agents and the misuse of current antibiotics have caused an increase in antimicrobial resistance (AMR) which is estimated to cause 10 million deaths by 2050 worldwide. These ongoing challenges clearly indicate an urgent need for developing new antibacterial additives in wound dressings targeting microbial pathogens. Natural products and their derivatives have long been a significant source of pharmaceuticals against AMR. Scrutinising the data of newly approved drugs has identified plants as one of the biggest and most important sources in the development of novel antibacterial drugs. Some of the plant-based antibacterial additives, such as essential oils and plant extracts, have been previously used in wound dressings; however, there is another source of plant-derived antibacterial additives, i.e., those produced by symbiotic endophytic fungi, that show great potential in wound dressing applications. Endophytes represent a novel, natural, and sustainable source of bioactive compounds for therapeutic applications, including as efficient antibacterial additives for chronic wound dressings. This review examines and appraises recent developments in bioactive wound dressings that incorporate natural products as antibacterial agents as well as advances in endophyte research that show great potential in treating chronic wounds.
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Khayat MT, Mohammad KA, Mohamed GA, Safo MK, Ibrahim SRM. Integracides: Tetracyclic Triterpenoids from Fusarium sp.-Their 5-Lipoxygenase Inhibitory Potential and Structure-Activity Relation Using In Vitro and Molecular Docking Studies. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122095. [PMID: 36556460 PMCID: PMC9782297 DOI: 10.3390/life12122095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 11/30/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022]
Abstract
Inflammation is a complicated disorder that is produced as a result of consecutive processes. 5-LOX (5-lipoxygenase) is accountable for various inflammation mediators and leukotrienes synthesis, and its inhibition is the target of anti-inflammation therapeutics. Fungi have acquired enormous attentiveness because of their capability to biosynthesize novel bio-metabolites that reveal diversified bio-activities. A new tetracyclic triterpenoid, integracide L (1), along with integracides B (2) and F (3), were separated from Mentha longifolia-associated Fusarium sp. (FS No. MAR2014). Their structures were verified utilizing varied spectral analyses. The isolated metabolites (1-3), alongside the earlier reported integracides G (4), H (5), and J (6), were inspected for 5-LOX inhibition capacity. Interestingly, 1-6 possessed marked 5-LOX inhibition potentials with IC50s ranging from 1.18 to 3.97 μM compared to zileuton (IC50 1.17 µM). Additionally, molecular docking was executed to examine the interaction among these metabolites and 5-LOX, as well as to validate the in vitro findings. The docking study revealed their inhibitory activity interactions in the binding pocket. These findings highlighted the potential of integracides as lead metabolites for anti-inflammation drug discovery.
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Affiliation(s)
- Maan T. Khayat
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Correspondence: ; Tel.: +966-555543053
| | - Khadijah A. Mohammad
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Gamal A. Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Martin K. Safo
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Sabrin R. M. Ibrahim
- Department of Chemistry, Preparatory Year Program, Batterjee Medical College, Jeddah 21442, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
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11
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Amirzakariya BZ, Shakeri A. Bioactive terpenoids derived from plant endophytic fungi: An updated review (2011-2020). PHYTOCHEMISTRY 2022; 197:113130. [PMID: 35183568 DOI: 10.1016/j.phytochem.2022.113130] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/17/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
Plant endophytes have been considered as novel sources of naturally occurring compounds with various biological activities, including cytotoxic, antimicrobial, anti-inflammatory, anticancer, herbicides, antileishmanial and antioxidant. A variety of specialised products, comprising terpenoids, alkaloids, polyketides, phenolic compounds, coumarins, and quinone derivatives have been reported from various strains. An increasing number of products, especially terpenoids, are being isolated from endophytes. Herein, the isolated new terpenoids from plant endophytic fungi, their hosts, as well as biological activities, from January 2011 until the end of 2020 are reviewed. In this period, 516 terpenoids are classified into monoterpenes (5), sesquiterpenes (299), diterpenes (76), sesterterpens (22), meroterpenes (83), triterpenes (29), and other terpenoids (2), were isolated from different plant endophytic fungi species.
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Affiliation(s)
| | - Abolfazl Shakeri
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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12
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Galindo-Solís JM, Fernández FJ. Endophytic Fungal Terpenoids: Natural Role and Bioactivities. Microorganisms 2022; 10:microorganisms10020339. [PMID: 35208794 PMCID: PMC8875210 DOI: 10.3390/microorganisms10020339] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 02/01/2023] Open
Abstract
Endophytic fungi are a highly diverse group of fungi that intermittently colonize all plants without causing symptoms of the disease. They sense and respond to physiological and environmental changes of their host plant and microbiome. The inter-organism interactions are largely driven by chemical networks mediated by specialized metabolites. The balance of these complex interactions leads to healthy and strong host plants. Endophytic strains have particular machinery to produce a plethora of secondary metabolites with a variety of bioactivities and unknown functions in an ecological niche. Terpenoids play a key role in endophytism and represent an important source of bioactive molecules for human health and agriculture. In this review, we describe the role of endophytic fungi in plant health, fungal terpenoids in multiple interactions, and bioactive fungal terpenoids recently reported from endophytes, mainly from plants used in traditional medicine, as well as from algae and mangroves. Additionally, we highlight endophytic fungi as producers of important chemotherapeutic terpenoids, initially discovered in plants. Despite advances in understanding endophytism, we still have much to learn in this field. The study of the role, the evolution of interactions of endophytic fungi and their terpenoids provide an opportunity for better applications in human health and agriculture.
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Affiliation(s)
- Juan M. Galindo-Solís
- Posgrado en Biotecnología, Universidad Autonoma Metropolitana, Unidad Iztapalapa, Mexico City CP 09340, Mexico;
| | - Francisco J. Fernández
- Departamento de Biotecnología, Universidad Autónoma Metropolitana, Unidad Iztapalapa, San Rafael Atlixco No. 186, Col. Vicentina, Mexico City CP 09340, Mexico
- Correspondence: ; Tel.: +52-(55)-5804-6453
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13
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Isolation of Taxol and Flavin-like fluorochrome from Endophytic Fungi of Mangifera indica. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2021. [DOI: 10.22207/jpam.15.4.43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Scouting for novel and plant-derived biomolecules from endophytic microbial sources draws greater focus on the discovery of novel bioactive metabolites. With this rationale, we scouted the endophytic fungi for taxol, an anticancer diterpenoid and fluorescent biomolecules. In the present study, about 31 endophytic fungal isolates recovered from the Mangifera indica leaves were screened for taxol production in M1D medium. About five isolates were shortlisted based on the thin layer chromatographic analysis of the fungal extracts. Among them Colletotrichum sp. MIP-5 has been identified as a producer of fungal taxol based on UV, FTIR, TLC and HPLC analysis. The partially purified fungal taxol showed similar spectral and chromatographic features of commercially available paclitaxel. In addition to this, we also report the production of a fluorescent compound by Penicillium sp. MIP-3. The Flavin-like compound exhibited a bright greenish-yellow fluorescence with an emission maximum in the range of 505 – 545nm. GC-MS analysis showed the occurrence of Latia luciferin, primarily associated with the bioluminescence of freshwater limpet Latia neritoides. This is the first report of this compound from Penicillium sp. In addition, therapeutically active steroid (β-Sitosterol, Stigmasterol, Campesterol), quinones (Benzo[h]quinoline, 2,4-dimethyl-) and phloroglucinol (Aspidinol) derivatives were also identified from Penicillium sp. MIP-3 based on GC-MS analysis. These molecules could potentially be used in biological and pharmaceutical applications in future.
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14
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Secondary Metabolite Production and Terpenoid Biosynthesis in Endophytic Fungi Cladosporium cladosporioides Isolated from Wild Cymbopogon martinii (Roxb.) Wats. MICROBIOLOGY RESEARCH 2021. [DOI: 10.3390/microbiolres12040059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Endophytic fungi Cladosporium cladosporioides (F1-MH810309) and Cladosporium tenuissimum (F2-MN715834) from the leaf of wild Cymbopogon martinii (MT90507) were isolated and selected based on the persistent occurrence during different seasons of the year. They were identified based on the morphological features and molecular characterization (ITS sequence), and later deposited at NCBI. Phytochemical studies on F1, F2 and host extracts showed the presence of alkaloids, flavonoids, phenols, terpenoids and tannins. The GC-MS of F1 extract (control) under the axenic condition revealed compounds like hexadecane, heptadecane,2,4-Ditert-butylphenol, E-14 hexadecenal, geraniol, geranyl acetate and cubenol similar to the host. The GC-MS of F2 extract (control) revealed metabolites that were unique. Further, both F1 and F2 were cultured in the supplementation of different concentrations (5%, 10%, 15% and 20%) of the host plant extract (an-axenic condition). The GC-MS of F1 extracts (test) exhibited good growth and showed the gradual increased production of terpenoid compounds whereas the F2 (test) did not show any growth. These compounds such as hyrdoxymenthol, nor-borneol, cedralacetate, α-cyclogeraniol, campesterol, β-cyclogeraniol, linalool oxide,2,3-boranediol, citronellyltiglate and 2,3-pinanediol were produced in a minor quantity and were known as biotransformed forms of the precursor compounds present in the host extract. In comparison, only F1 was able to produce terpenoids similar to the host species both in axenic and an-axenic conditions. Hence from the current study, the endophytic fungus F1 isolated from wild C. martinii for the first time can serve as a better resource for the bioprospection of an important terpenoid and its metabolites.
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15
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Walther C, Baumann P, Luck K, Rothe B, Biedermann PHW, Gershenzon J, Köllner TG, Unsicker SB. Volatile emission and biosynthesis in endophytic fungi colonizing black poplar leaves. Beilstein J Org Chem 2021; 17:1698-1711. [PMID: 34367348 PMCID: PMC8313976 DOI: 10.3762/bjoc.17.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 06/29/2021] [Indexed: 11/23/2022] Open
Abstract
Plant volatiles play a major role in plant-insect interactions as defense compounds or attractants for insect herbivores. Recent studies have shown that endophytic fungi are also able to produce volatiles and this raises the question of whether these fungal volatiles influence plant-insect interactions. Here, we qualitatively investigated the volatiles released from 13 endophytic fungal species isolated from leaves of mature black poplar (Populus nigra) trees. The volatile blends of these endophytes grown on agar medium consist of typical fungal compounds, including aliphatic alcohols, ketones and esters, the aromatic alcohol 2-phenylethanol and various sesquiterpenes. Some of the compounds were previously reported as constituents of the poplar volatile blend. For one endophyte, a species of Cladosporium, we isolated and characterized two sesquiterpene synthases that can produce a number of mono- and sesquiterpenes like (E)-β-ocimene and (E)-β-caryophyllene, compounds that are dominant components of the herbivore-induced volatile bouquet of black poplar trees. As several of the fungus-derived volatiles like 2-phenylethanol, 3-methyl-1-butanol and the sesquiterpene (E)-β-caryophyllene, are known to play a role in direct and indirect plant defense, the emission of volatiles from endophytic microbial species should be considered in future studies investigating tree-insect interactions.
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Affiliation(s)
- Christin Walther
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
| | - Pamela Baumann
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany.,Chair of Forest Entomology and Protection, Institute of Forest Sciences, University of Freiburg, Fohrenbühl 27, 79252 Stegen-Wittental, Germany
| | - Katrin Luck
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
| | - Beate Rothe
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
| | - Peter H W Biedermann
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany.,Chair of Forest Entomology and Protection, Institute of Forest Sciences, University of Freiburg, Fohrenbühl 27, 79252 Stegen-Wittental, Germany
| | - Jonathan Gershenzon
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
| | - Tobias G Köllner
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
| | - Sybille B Unsicker
- Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knöll Str. 8, 07745 Jena, Germany
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16
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Chen Y, Hu B, Xing J, Li C. Endophytes: the novel sources for plant terpenoid biosynthesis. Appl Microbiol Biotechnol 2021; 105:4501-4513. [PMID: 34047817 PMCID: PMC8161352 DOI: 10.1007/s00253-021-11350-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/06/2021] [Accepted: 05/11/2021] [Indexed: 12/16/2022]
Abstract
Terpenoids are natural compounds predominantly present in plants. They have many pharmaceutical and/or nutritional functions, and have been widely applied in medical, food, and cosmetics industries. Recently, terpenoids have been used in the clinical treatment of COVID-19 due to the good antiviral activities. The increasing demand for terpenoids in international markets poses a serious threat to many plant species. For environmentally sustainable development, microbial cell factories have been utilized as the promising platform to produce terpenoids. Nevertheless, the bioproduction of most terpenoids cannot meet commercial requirements due to the low cost-benefit ratio until now. The biosynthetic potential of endophytes has gained attention in recent decades owing to the continual discovery of endophytes capable of synthesizing plant bioactive compounds. Accordingly, endophytes could be alternative sources of terpenoid-producing strains or terpenoid synthetic genes. In this review, we summarized the research progress describing the main and supporting roles of endophytes in terpenoid biosynthesis and biotransformation, and discussed the current problems and challenges which may prevent the further exploitation. This review will improve our understanding of endophyte resources for terpenoid production in industry in the future. The four main research interests on endophytes for terpenoid production. A: Isolation of terpenoid-producing endophytes; B: The heterologous expression of endophyte-derived terpenoid synthetic genes; C: Endophytes promoting their hosts' terpenoid production. The blue dashed arrows indicate signal transduction; D: Biotransformation of terpenoids by endophytes or their enzymes. Key points• The mechanisms employed by endophytes in terpenoid synthesis in vivo and in vitro.• Endophytes have the commercial potentials in terpenoid bioproduction and biotransformation.• Synthetic biology and multiomics will improve terpenoid bioproduction in engineered cell factories.
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Affiliation(s)
- Yachao Chen
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Bing Hu
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Institute of Biochemical Engineering, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China.
| | - Jianmin Xing
- CAS Key Laboratory of Green Process and Engineering & State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chun Li
- Key Lab for Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China.
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17
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Lutfia A, Munir E, Yurnaliza Y, Basyuni M. Chemical analysis and anticancer activity of sesterterpenoid from an endophytic fungus Hypomontagnella monticulosa Zg15SU and its host Zingiber griffithii Baker. Heliyon 2021; 7:e06292. [PMID: 33665446 PMCID: PMC7900702 DOI: 10.1016/j.heliyon.2021.e06292] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/22/2020] [Accepted: 02/11/2021] [Indexed: 11/26/2022] Open
Abstract
Zingiber griffithii Baker is one of the native Zingiberaceous species in a tropical forest of North Sumatra, Indonesia. Zingiberaceous species have been intensively studied and reported as herbal ingredients in ethnomedicine and currently their endophytic fungal associates were studied for pharmacological importance. Fifteen endophytic fungi were isolated from Zingiber griffithii following morphological and molecular characterization. All isolates exhibited antibacterial properties to at least one of the tested pathogenic bacteria Staphylococcus aureus, Escherichia coli, Methicilin-resistant S. aureus (MRSA), and Enteropathogenic E. coli (EPEC). The isolate, identified as Hypomontagnella monticulosa strain Zg15SU (syn. Hypoxylon monticulosum Mont.) based on its rDNA/ITS sequence, displayed antibacterial activities to all tested pathogens. The EtOAc extract of the H. monticulosum Zg15SU showed the highest activity for gram-negative bacteria, the E. coli and EPEC, while the extract of Z. griffithii rhizome displayed activity only for E. coli. The gas chromatography-mass spectrometry analysis (GC-MS) indicated a major portion of similar compounds found in both the endophytic fungus and plant extract, revealing the compounds of oleic acid, cyclononasiloxane, octadecamethyl, and eicosanoic acid Furthermore, purification and structural elucidation on the EtOAc extract of both Z. griffithii rhizome and H. monticulosa Zg15SU yielded two bioactive compounds: a novel compound, griffithiiene, a terpenoid-alkaloid bearing the skeleton of a scalarane (1) and scalaradial (2) which were confirmed by 1H- (500 MHz) and 13C-NMR (125 MHz) spectroscopy. Importantly, the elucidated compounds showed a cytotoxicity activity against cancer cell lines, the Panc-1, NBT-T2, and HCT116 based on in vitro MTT proliferation assay. This is the first report of Z. griffithii harboring an endophytic fungus, H. monticulosa, which produced potential antibacterial and anticancer metabolites along with its host to be utilized for future prospects.
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Affiliation(s)
- Anisa Lutfia
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155, Indonesia
| | - Erman Munir
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155, Indonesia
| | - Yurnaliza Yurnaliza
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, 20155, Indonesia
| | - Mohammad Basyuni
- Department of Forestry, Faculty of Forestry, Universitas Sumatera Utara, Medan, 20155, Indonesia
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18
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Triastuti A, Haddad M, Barakat F, Mejia K, Rabouille G, Fabre N, Amasifuen C, Jargeat P, Vansteelandt M. Dynamics of Chemical Diversity during Co-Cultures: An Integrative Time-Scale Metabolomics Study of Fungal Endophytes Cophinforma mamane and Fusarium solani. Chem Biodivers 2021; 18:e2000672. [PMID: 33289281 DOI: 10.1002/cbdv.202000672] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 12/07/2020] [Indexed: 11/07/2022]
Abstract
A rapid and efficient metabolomic study of Cophinforma mamane and Fusarium solani co-cultivation in time-series based analysis was developed to study metabolome variations during their fungal interactions. The fungal metabolomes were studied through the integration of four metabolomic tools: MS-DIAL, a chromatographic deconvolution of liquid-chromatography-mass spectrometry (LC/MS); MS-FINDER, a structure-elucidation program with a wide range metabolome database; GNPS, an effective method to organize MS/MS fragmentation spectra, and MetaboAnalyst, a comprehensive web application for metabolomic data analysis and interpretation. Co-cultures of C. mamane and F. solani induced different patterns of metabolite production over 10 days of incubation and induced production of five de novo compounds not occurring in monocultures. These results emphasize that co-culture in time-frame analysis is an interesting method to unravel hidden metabolome in the investigation of fungal chemodiversity.
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Affiliation(s)
- Asih Triastuti
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, 31400, Toulouse, France.,Department of Pharmacy, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
| | - Mohamed Haddad
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, 31400, Toulouse, France
| | - Fatima Barakat
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, 31400, Toulouse, France
| | - Kember Mejia
- Instituto de Investigaciones de la Amazonía Peruana, Avenida Abelardo Quiñonez Km. 4.5, Iquitos, 1600, Peru
| | - Gabriel Rabouille
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, 31400, Toulouse, France
| | - Nicolas Fabre
- UMR 152 Pharma Dev, Université de Toulouse, IRD, UPS, 31400, Toulouse, France
| | - Carlos Amasifuen
- Facultad de Ingeniería Civil y Ambiental [FICIAM], Escuela de Ingeniería Ambiental, Universidad Nacional Toribio Rodríguez de Mendoza [UNTRM, Chachapoyas, 01001, Peru
| | - Patricia Jargeat
- Laboratoire Evolution et Diversité Biologique UMR 5174, Université de Toulouse, CNRS, IRD, UPS, 31062, Toulouse, France
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19
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Abbas Z, Siddiqui BS, Shahzad S, Sattar S, Begum S, Batool A, Choudhary MI. Lawsozaheer, a new chromone produced by an endophytic fungus Paecilomyces variotii isolated from Lawsonia Alba Lam. inhibits the growth of Staphylococcus aureus. Nat Prod Res 2020; 35:4448-4453. [PMID: 32091239 DOI: 10.1080/14786419.2020.1729148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
One new chromone, lawsozaheer (1), and five known compounds 4-(2-hydroxyethyl) phenol (2), viriditoxin (3), stigmasta-4,6,8(14),22-tetraen-3-one (4), β-sitosterol (5) and stigmasterol (6) were isolated from the fungal broth of Paecilomyces variotii. Their structures were elucidated using spectroscopic data. The configuration of 1 was determined by Horeau's method. The broth extract and compound 1 showed highly selective activity against Staphylococcus aureus (NCTC 6571) bacterium with 83.19 and 84.26% inhibition respectively at 150 µg/mL, comparing well with that of standard drug ofloxacin (87.013% inhibition at 100 µg/mL). Broth extract also showed 75, and 40% inhibition of Candida albicans and Fusarium lini, respectively.
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Affiliation(s)
- Zaheer Abbas
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Bina Shaheen Siddiqui
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Saleem Shahzad
- Department of Agriculture & Agribusiness Management, University of Karachi, Karachi, Pakistan
| | - Samia Sattar
- Department of Agriculture & Agribusiness Management, University of Karachi, Karachi, Pakistan
| | - Sabira Begum
- Department of biochemistry, faculty of science, Icing Abdnlaziz university, Jeddah, Saudia Arabia
| | - Anum Batool
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Mohammad Iqbal Choudhary
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan.,Department of biochemistry, faculty of science, Icing Abdnlaziz university, Jeddah, Saudia Arabia
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20
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Bioactivity of Mycoendophytes Isolated from Medicinal Plants Growing in Different Geographical Egyptian Habitats. Jundishapur J Nat Pharm Prod 2020. [DOI: 10.5812/jjnpp.64785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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21
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Lacey HJ, Gilchrist CLM, Crombie A, Kalaitzis JA, Vuong D, Rutledge PJ, Turner P, Pitt JI, Lacey E, Chooi YH, Piggott AM. Nanangenines: drimane sesquiterpenoids as the dominant metabolite cohort of a novel Australian fungus, Aspergillus nanangensis. Beilstein J Org Chem 2019; 15:2631-2643. [PMID: 31807198 PMCID: PMC6880815 DOI: 10.3762/bjoc.15.256] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 10/14/2019] [Indexed: 12/22/2022] Open
Abstract
Chemical investigation of an undescribed Australian fungus, Aspergillus nanangensis, led to the identification of the nanangenines - a family of seven new and three previously reported drimane sesquiterpenoids. The structures of the nanangenines were elucidated by detailed spectroscopic analysis supported by single crystal X-ray diffraction studies. The compounds were assayed for in vitro activity against bacteria, fungi, mammalian cells and plants. Bioinformatics analysis, including comparative analysis with other acyl drimenol-producing Aspergilli, led to the identification of a putative nanangenine biosynthetic gene cluster that corresponds to the proposed biosynthetic pathway for nanangenines.
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Affiliation(s)
- Heather J Lacey
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
- School of Chemistry, The University of Sydney, NSW 2006, Australia
| | - Cameron L M Gilchrist
- School of Molecular Sciences, The University of Western Australia, WA 6009, Australia
| | - Andrew Crombie
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
| | - John A Kalaitzis
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
- Department of Molecular Sciences, Macquarie University, NSW 2109, Australia
| | - Daniel Vuong
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
| | - Peter J Rutledge
- School of Chemistry, The University of Sydney, NSW 2006, Australia
| | - Peter Turner
- School of Chemistry, The University of Sydney, NSW 2006, Australia
| | - John I Pitt
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
| | - Ernest Lacey
- Microbial Screening Technologies, Smithfield, NSW 2164, Australia
- Department of Molecular Sciences, Macquarie University, NSW 2109, Australia
| | - Yit-Heng Chooi
- School of Molecular Sciences, The University of Western Australia, WA 6009, Australia
| | - Andrew M Piggott
- Department of Molecular Sciences, Macquarie University, NSW 2109, Australia
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22
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Endophytic association of bioactive and halotolerant Humicola fuscoatra with halophytic plants, and its capability of producing anthraquinone and anthranol derivatives. Antonie Van Leeuwenhoek 2019; 113:279-291. [DOI: 10.1007/s10482-019-01336-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 09/23/2019] [Indexed: 11/27/2022]
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Bai J, Yan L, Liu Y. Catalytic mechanism of the PrhA (V150L/A232S) double mutant involved in the fungal meroterpenoid biosynthetic pathway: a QM/MM study. Phys Chem Chem Phys 2019; 21:25658-25668. [DOI: 10.1039/c9cp03565f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
QM/MM calculations reveal the mechanism of a nonheme Fe(ii)/α-ketoglutarate-dependent oxygenase involved in the fungal meroterpenoid biosynthetic pathway.
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Affiliation(s)
- Jie Bai
- Key Lab of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
| | - Lijuan Yan
- Key Lab of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
| | - Yongjun Liu
- Key Lab of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
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24
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Ibrahim SRM, Abdallah HM, Mohamed GA, Ross SA. Integracides H-J: New tetracyclic triterpenoids from the endophytic fungus Fusarium sp. Fitoterapia 2016; 112:161-7. [PMID: 27282207 DOI: 10.1016/j.fitote.2016.06.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 06/01/2016] [Accepted: 06/05/2016] [Indexed: 10/21/2022]
Abstract
Three new tetracyclic triterpenoids namely, integracides H (1), I (4), and J (5), along with integracides B (3) and F (2) have been isolated from the endophytic fungus Fusarium sp. isolated from the roots of Mentha longifolia L. (Labiatae) growing in Saudi Arabia. The structure elucidation of the isolated compounds was achieved by spectroscopic analysis including UV, IR, 1D ((1)H and (13)C) and 2D ((1)H(1)H COSY, TOCSY, HSQC, HMBC, and NOESY) NMR as well as HRESIMS and comparison with literature data. Integracides H (1) and J (5) showed significant anti-leishmanial activity towards Leishmania donovani with IC50 values of 4.75 and 3.29μM, respectively compared to pentamidine (IC50 6.35μM). Moreover, they displayed potent cytotoxic activity towards BT-549, SKOV-3, and KB cell lines with IC50 values of 1.82, 1.32, and 0.18μM and 2.46, 3.01, and 2.54μM, respectively.
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Affiliation(s)
- Sabrin R M Ibrahim
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al Madinah, Al Munawwarah 30078, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt.
| | - Hossam M Abdallah
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Gamal A Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Samir A Ross
- National Center for Natural Products Research, Department of Pharmacognosy, School of Pharmacy, The University of Mississippi, MS 38677, USA
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Kuang C, Jing SX, Liu Y, Luo SH, Li SH. Drimane Sesquiterpenoids and Isochromone Derivative from the Endophytic Fungus Pestalotiopsis sp. M-23. NATURAL PRODUCTS AND BIOPROSPECTING 2016; 6:155-60. [PMID: 27038619 PMCID: PMC5385658 DOI: 10.1007/s13659-016-0094-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Accepted: 03/17/2016] [Indexed: 05/27/2023]
Abstract
Three new drimane sesquiterpenoids (1-3) together with the known 2α-hydroxyisodrimeninol (4), and a new isochromone derivative (5), were obtained from the solid cultures of fungal strain Pestalotiopsis sp. M-23, an endophytic fungus isolated from the leaves of Leucosceptrum canum (Labiatae). Their structures were determined by comprehensive 1D and 2D NMR, and MS analyses. The metabolites were evaluated for their antibacterial activities, and compound 3 showed weak inhibitory activity against Bacillus subtilis.
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Affiliation(s)
- Ce Kuang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences (CAS), Kunming, 650201, People's Republic of China
- University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Shu-Xi Jing
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences (CAS), Kunming, 650201, People's Republic of China
| | - Yan Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences (CAS), Kunming, 650201, People's Republic of China
| | - Shi-Hong Luo
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences (CAS), Kunming, 650201, People's Republic of China.
| | - Sheng-Hong Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences (CAS), Kunming, 650201, People's Republic of China.
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Genome of Diaporthe sp. provides insights into the potential inter-phylum transfer of a fungal sesquiterpenoid biosynthetic pathway. Fungal Biol 2016; 120:1050-1063. [PMID: 27521636 DOI: 10.1016/j.funbio.2016.04.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 04/01/2016] [Indexed: 02/06/2023]
Abstract
Fungi have highly active secondary metabolic pathways which enable them to produce a wealth of sesquiterpenoids that are bioactive. One example is Δ6-protoilludene, the precursor to the cytotoxic illudins, which are pharmaceutically relevant as anticancer therapeutics. To date, this valuable sesquiterpene has only been identified in members of the fungal division Basidiomycota. To explore the untapped potential of fungi belonging to the division Ascomycota in producing Δ6-protoilludene, we isolated a fungal endophyte Diaporthe sp. BR109 and show that it produces a diversity of terpenoids including Δ6-protoilludene. Using a genome sequencing and mining approach 17 putative novel sesquiterpene synthases were identified in Diaporthe sp. BR109. A phylogenetic approach was used to predict which gene encodes Δ6-protoilludene synthase, which was then confirmed experimentally. These analyses reveal that the sesquiterpene synthase and its putative sesquiterpene scaffold modifying cytochrome P450(s) may have been acquired by inter-phylum horizontal gene transfer from Basidiomycota to Ascomycota. Bioinformatic analyses indicate that inter-phylum transfer of these minimal sequiterpenoid secondary metabolic pathways may have occurred in other fungi. This work provides insights into the evolution of fungal sesquiterpenoid secondary metabolic pathways in the production of pharmaceutically relevant bioactive natural products.
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Fischer MJC, Rustenhloz C, Leh-Louis V, Perrière G. Molecular and functional evolution of the fungal diterpene synthase genes. BMC Microbiol 2015; 15:221. [PMID: 26483054 PMCID: PMC4617483 DOI: 10.1186/s12866-015-0564-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 10/12/2015] [Indexed: 11/24/2022] Open
Abstract
Background Terpenes represent one of the largest and most diversified families of natural compounds and are used in numerous industrial applications. Terpene synthase (TPS) genes originated in bacteria as diterpene synthase (di-TPS) genes. They are also found in plant and fungal genomes. The recent availability of a large number of fungal genomes represents an opportunity to investigate how genes involved in diterpene synthesis were acquired by fungi, and to assess the consequences of this process on the fungal metabolism. Results In order to investigate the origin of fungal di-TPS, we implemented a search for potential fungal di-TPS genes and identified their presence in several unrelated Ascomycota and Basidiomycota species. The fungal di-TPS phylogenetic tree is function-related but is not associated with the phylogeny based on housekeeping genes. The lack of agreement between fungal and di-TPS-based phylogenies suggests the presence of Horizontal Gene Transfer (HGTs) events. Further evidence for HGT was provided by conservation of synteny of di-TPS and neighbouring genes in distantly related fungi. Conclusions The results obtained here suggest that fungal di-TPSs originated from an ancient HGT event of a single di-TPS gene from a plant to a fungus in Ascomycota. In fungi, these di-TPSs allowed for the formation of clusters consisting in di-TPS, GGPPS and P450 genes to create functional clusters that were transferred between fungal species, producing diterpenes acting as hormones or toxins, thus affecting fungal development and pathogenicity. Electronic supplementary material The online version of this article (doi:10.1186/s12866-015-0564-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Marc J C Fischer
- Université de Strasbourg, INRA, Inst Natl Recherche Agron, Métab Second Vigne, Unit Mixte Recherche Santé Vigne & Qual Vins, 28 rue de Herrlisheim, F-68021, Colmar, France.
| | - Camille Rustenhloz
- Université de Strasbourg, INRA, Inst Natl Recherche Agron, Métab Second Vigne, Unit Mixte Recherche Santé Vigne & Qual Vins, 28 rue de Herrlisheim, F-68021, Colmar, France.
| | - Véronique Leh-Louis
- Université de Strasbourg, CNRS, FRE 2326, Institut de Biologie Moléculaire et Cellulaire du CNRS, UPR 9002, 15 rue René Descartes, F-67084, Strasbourg, France.
| | - Guy Perrière
- Universite Claude Bernard - Lyon 1, 43 bd. du 11 Novembre 1918, Laboratoire de Biometrie et Biologie Evolutive, UMR CNRS 5558, F-69622, Villeurbanne, France.
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Kuhnert E, Surup F, Wiebach V, Bernecker S, Stadler M. Botryane, noreudesmane and abietane terpenoids from the ascomycete Hypoxylon rickii. PHYTOCHEMISTRY 2015; 117:116-122. [PMID: 26071840 DOI: 10.1016/j.phytochem.2015.06.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 05/27/2015] [Accepted: 06/02/2015] [Indexed: 06/04/2023]
Abstract
In the course of our screening for new bioactive natural products, a culture of Hypoxylon rickii, a xylariaceous ascomycete collected from the Caribbean island Martinique, was identified as extraordinary prolific producer of secondary metabolites. Ten metabolites of terpenoid origin were isolated from submerged cultures of this species by preparative HPLC. Their structures were elucidated using spectral techniques including 2D NMR and HRESIMS. Three of the compounds were elucidated as new botryanes (1-3) along with three known ones, i.e. (3aS)-3a,5,5,8-tetramethyl-3,3a,4,5-tetrahydro-1H-cyclopenta[de]isochromen-1-one (4), (3aS,8R)-3a,5,5,8-tetramethyl-3,3a,4,5,7,8-hexahydro-1H-cyclopenta[de]isochromen-1-one (5) and botryenanol (6). Further three new sesquiterpenoids featured a 14-noreudesmane-type skeleton and were named hypoxylan A-C (7-9); the diterpenoid rickitin A (10) contains an abietane-type backbone. Compounds 1, 2, 3, 7, and 10 showed cytotoxic effects against murine cells.
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Affiliation(s)
- Eric Kuhnert
- Helmholtz Centre for Infection Research GmbH (HZI), Department Microbial Drugs, Inhoffenstraße 7, 38124 Braunschweig, Germany; German Centre for Infection Research Association (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Frank Surup
- Helmholtz Centre for Infection Research GmbH (HZI), Department Microbial Drugs, Inhoffenstraße 7, 38124 Braunschweig, Germany; German Centre for Infection Research Association (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Vincent Wiebach
- Helmholtz Centre for Infection Research GmbH (HZI), Department Microbial Drugs, Inhoffenstraße 7, 38124 Braunschweig, Germany; German Centre for Infection Research Association (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Steffen Bernecker
- Helmholtz Centre for Infection Research GmbH (HZI), Department Microbial Drugs, Inhoffenstraße 7, 38124 Braunschweig, Germany; German Centre for Infection Research Association (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstraße 7, 38124 Braunschweig, Germany
| | - Marc Stadler
- Helmholtz Centre for Infection Research GmbH (HZI), Department Microbial Drugs, Inhoffenstraße 7, 38124 Braunschweig, Germany; German Centre for Infection Research Association (DZIF), Partner Site Hannover-Braunschweig, Inhoffenstraße 7, 38124 Braunschweig, Germany
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Dos Santos IP, da Silva LCN, da Silva MV, de Araújo JM, Cavalcanti MDS, Lima VLDM. Antibacterial activity of endophytic fungi from leaves of Indigofera suffruticosa Miller (Fabaceae). Front Microbiol 2015; 6:350. [PMID: 25999918 PMCID: PMC4423342 DOI: 10.3389/fmicb.2015.00350] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 04/08/2015] [Indexed: 11/21/2022] Open
Abstract
Endophytic fungi were isolated from healthy leaves of Indigofera suffruticosa Miller, a medicinal plant found in Brazil which is used in folk medicine to treat various diseases. Among 65 endophytic fungi isolated, 18 fungi showed activity against at least one tested microorganism in preliminary screening, and the best results were obtained with Nigrospora sphaerica (URM-6060) and Pestalotiopsis maculans (URM-6061). After fermentation in liquid media and in semisolid media, only N. sphaerica demonstrated antibacterial activity (in Potato Dextrose Broth-PDB and in semisolid rice culture medium). In the next step, a methanolic extract from rice culture medium (NsME) and an ethyl acetate extract (NsEAE) from the supernatant of PDB were prepared and both exhibited antimicrobial activity against Gram-negative and Gram-positive bacteria. The best result was observed against Staphylococcus aureus, with minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) values of 1.56 mg/mL and 6.25 mg/mL, respectively, for NsME and MIC and MBC values of 0.39 mg/mL and 3.12 mg/mL, respectively, for NsEAE. This study is the first report about the antimicrobial activity of endophytic fungi residing in I. suffruticosa leaves, in which the fungus N. sphaerica demonstrated the ability to produce bioactive agents with pharmaceutical potential, and may provide a new lead in the pursuit of new biological sources of drug candidates.
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Affiliation(s)
- Irailton Prazeres Dos Santos
- Departamento de Micologia, Centro de Ciências Biológicas, Universidade Federal de Pernambuco Recife, Brazil ; Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco Recife, Brazil
| | | | - Márcia Vanusa da Silva
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco Recife, Brazil
| | - Janete Magali de Araújo
- Departamento de Antibióticos, Centro de Ciências Biológicas, Universidade Federal de Pernambuco Recife, Brazil
| | | | - Vera Lucia de Menezes Lima
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Pernambuco Recife, Brazil
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30
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Chagas FO, Caraballo-Rodriguez AM, Pupo MT. Endophytic Fungi as a Source of Novel Metabolites. Fungal Biol 2015. [DOI: 10.1007/978-1-4939-2531-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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31
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Li Y, Yang J, Zhou X, Zhao W, Jian Z. Isolation and identification of a 10-deacetyl baccatin-III-producing endophyte from Taxus wallichiana. Appl Biochem Biotechnol 2014; 175:2224-31. [PMID: 25475888 DOI: 10.1007/s12010-014-1422-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 11/18/2014] [Indexed: 11/25/2022]
Abstract
Endophytic fungi of inner root bark of Taxus wallichiana var. mairei were investigated in order to find endophytes producing 10-DABIII (10-deacetyl baccatin III). Purified colonies were cultured in potato dextrose broth (PDB), and then the organic extracts from fungi were analyzed with HPLC, LC-MS, and (1)H NMR. Of 102 fungal endophytes isolated from the inner root bark, only one strain named IRB54 can yield 10-DABIII but no taxol and baccatin III. In PDB culture medium, its productivity was 187.564 ug/l. Based on its morphological characteristics and molecular data, the IRB54 strain was identified as Trichoderma sp. The isolation of the fungus IRB54 yielding 10-DABIII will provide an alternative resource to manufacture taxol/taxotere via semi-synthesis and some useful clues for improving the understanding of taxane synthesis evolution.
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Affiliation(s)
- Yongchao Li
- School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, Henan, China
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Astuti P, Wahyono, Nababan OA. Antimicrobial and cytotoxic activities of endophytic fungi isolated from Piper crocatum Ruiz & Pav. Asian Pac J Trop Biomed 2014. [DOI: 10.12980/apjtb.4.2014apjtb-2014-0073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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ELFITA, MUNAWAR, MUHARNI, SUDRAJAT MASTURADHY. Identification of New Lactone Derivatives Isolated from Trichoderma sp., An Endophytic Fungus of Brotowali (Tinaspora crispa). HAYATI JOURNAL OF BIOSCIENCES 2014. [DOI: 10.4308/hjb.21.1.15] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Abrahão MR, Molina G, Pastore GM. Endophytes: Recent developments in biotechnology and the potential for flavor production. Food Res Int 2013. [DOI: 10.1016/j.foodres.2013.03.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Luo J, Liu X, Li E, Guo L, Che Y. Arundinols A-C and arundinones A and B from the plant endophytic fungus Microsphaeropsis arundinis. JOURNAL OF NATURAL PRODUCTS 2013; 76:107-112. [PMID: 23294378 DOI: 10.1021/np300806a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Three new ent-eudesmane sesquiterpenoids, arundinols A-C (1-3), one isochroman-1-one, arundinone A (4), and a polyoxygenated benzofuran-3(2H)-one dimer, arundinone B (5), were isolated from the extract of a plant endophytic fungus, Microsphaeropsis arundinis. Their structures were elucidated primarily by NMR experiments, and 1 was confirmed by X-ray crystallography. The absolute configuration of 1 was assigned by X-ray crystallography using Cu Kα radiation, whereas those of the C-11 tertiary alcohols in 2 and 3 were deduced via the circular dichroism data of the in situ formed [Rh(2)(OCOCF(3))(4)] complexes. Arundinone B (5) represents the first dimeric benzofuran-3(2H)-one, showing cytotoxicity against T24 and A549 cells. The co-isolated known compound 6 showed a modest inhibitory effect against Staphylococcus aureus.
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Affiliation(s)
- Ji Luo
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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36
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Affiliation(s)
- Braulio M Fraga
- Instituto de Productos Naturales y Agrobiología, CSIC, 38206-La Laguna, Tenerife, Canary Islands, Spain.
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