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Luo N, Jiao Y, Ling J, Li Z, Zhang W, Zhao J, Li Y, Mao Z, Li H, Xie B. Synergistic Effect of Two Peptaibols from Biocontrol Fungus Trichoderma longibrachiatum Strain 40418 on CO-Induced Plant Resistance. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:20763-20774. [PMID: 39271247 DOI: 10.1021/acs.jafc.4c01952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2024]
Abstract
Trichoderma longibrachiatum is a filamentous fungus used as a biological control agent against different plant diseases. The multifunctional secondary metabolites synthesized by Trichoderma, called peptaibols, have emerged as key elicitors in plant innate immunity. This study obtained a high-quality genome sequence for the T. longibrachiatum strain 40418 and identified two peptaibol biosynthetic gene clusters using knockout techniques. The two gene cluster products were confirmed as trilongin AIV a (11-residue) and trilongin BI (20-residue) using liquid chromatography coupled with tandem mass spectrometry. Further investigations revealed that these peptaibols induce plant resistance to Pseudomonas syringae pv tomato (Pst) DC3000 infection while triggering plant immunity and cell death. Notably, the two peptaibols exhibit synergistic effects in plant-microbe signaling interactions, with trilongin BI having a predominant role. Moreover, the induction of tomato resistance against Meloidogyne incognita showed similarly promising results.
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Affiliation(s)
- Ning Luo
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, College of Plant Protection, Gansu Agricultural University, Lanzhou 730070, China
| | - Yang Jiao
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang 653003, China
| | - Jian Ling
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zeyu Li
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Wenwen Zhang
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jianlong Zhao
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yan Li
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhenchuan Mao
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Huixia Li
- Biocontrol Engineering Laboratory of Crop Diseases and Pests of Gansu Province, College of Plant Protection, Gansu Agricultural University, Lanzhou 730070, China
| | - Bingyan Xie
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flower, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Center for Biosafety, Chinese Academy of Inspection and Quarantine, Sanya 572024, China
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Collins JE, Lee JW, Rocamora F, Saggu GS, Wendt KL, Pasaje CFA, Smick S, Santos NM, Paes R, Jiang T, Mittal N, Luth MR, Chin T, Chang H, McLellan JL, Morales-Hernandez B, Hanson KK, Niles JC, Desai SA, Winzeler EA, Cichewicz RH, Chakrabarti D. Antiplasmodial peptaibols act through membrane directed mechanisms. Cell Chem Biol 2024; 31:312-325.e9. [PMID: 37995692 PMCID: PMC10923054 DOI: 10.1016/j.chembiol.2023.10.025] [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: 10/28/2022] [Revised: 08/29/2023] [Accepted: 10/27/2023] [Indexed: 11/25/2023]
Abstract
Our previous study identified 52 antiplasmodial peptaibols isolated from fungi. To understand their antiplasmodial mechanism of action, we conducted phenotypic assays, assessed the in vitro evolution of resistance, and performed a transcriptome analysis of the most potent peptaibol, HZ NPDG-I. HZ NPDG-I and 2 additional peptaibols were compared for their killing action and stage dependency, each showing a loss of digestive vacuole (DV) content via ultrastructural analysis. HZ NPDG-I demonstrated a stepwise increase in DV pH, impaired DV membrane permeability, and the ability to form ion channels upon reconstitution in planar membranes. This compound showed no signs of cross resistance to targets of current clinical candidates, and 3 independent lines evolved to resist HZ NPDG-I acquired nonsynonymous changes in the P. falciparum multidrug resistance transporter, pfmdr1. Conditional knockdown of PfMDR1 showed varying effects to other peptaibol analogs, suggesting differing sensitivity.
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Affiliation(s)
- Jennifer E Collins
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32826, USA
| | - Jin Woo Lee
- Department of Chemistry and Biochemistry, Institute for Natural Products Applications & Research Technologies, University of Oklahoma, Norman OK 73019, USA
| | - Frances Rocamora
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Gagandeep S Saggu
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, NIH, Rockville, MD 20852, USA
| | - Karen L Wendt
- Department of Chemistry and Biochemistry, Institute for Natural Products Applications & Research Technologies, University of Oklahoma, Norman OK 73019, USA
| | - Charisse Flerida A Pasaje
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
| | - Sebastian Smick
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
| | - Natalia Mojica Santos
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32826, USA
| | - Raphaella Paes
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32826, USA
| | - Tiantian Jiang
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Nimisha Mittal
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Madeline R Luth
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Taylor Chin
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Howard Chang
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - James L McLellan
- Department of Molecular Microbiology and Immunology and South Texas Center for Emerging Infectious Diseases, University of Texas San Antonio, San Antonio, TX 78249, USA
| | - Beatriz Morales-Hernandez
- Department of Molecular Microbiology and Immunology and South Texas Center for Emerging Infectious Diseases, University of Texas San Antonio, San Antonio, TX 78249, USA
| | - Kirsten K Hanson
- Department of Molecular Microbiology and Immunology and South Texas Center for Emerging Infectious Diseases, University of Texas San Antonio, San Antonio, TX 78249, USA
| | - Jacquin C Niles
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
| | - Sanjay A Desai
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, NIH, Rockville, MD 20852, USA
| | - Elizabeth A Winzeler
- Division of Host-Microbe Systems & Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA.
| | - Robert H Cichewicz
- Department of Chemistry and Biochemistry, Institute for Natural Products Applications & Research Technologies, University of Oklahoma, Norman OK 73019, USA.
| | - Debopam Chakrabarti
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32826, USA.
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Pereira-Dias L, Oliveira-Pinto PR, Fernandes JO, Regalado L, Mendes R, Teixeira C, Mariz-Ponte N, Gomes P, Santos C. Peptaibiotics: Harnessing the potential of microbial secondary metabolites for mitigation of plant pathogens. Biotechnol Adv 2023; 68:108223. [PMID: 37536466 DOI: 10.1016/j.biotechadv.2023.108223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023]
Abstract
Agricultural systems are in need of low-cost, safe antibiotics to protect crops from pests and diseases. Peptaibiotics, a family of linear, membrane-active, amphipathic polypeptides, have been shown to exhibit antibacterial, antifungal, and antiviral activity, and to be inducers of plant resistance against a wide range of phytopathogens. Peptaibiotics belong to the new generation of alternatives to agrochemicals, aligned with the United Nations Sustainable Development Goals and the One Health approach toward ensuring global food security and safety. Despite that, these fungi-derived, non-ribosomal peptides remain surprisingly understudied, especially in agriculture, where only a small number has been tested against a reduced number of phytopathogens. This lack of adoption stems from peptaibiotics' poor water solubility and the difficulty to synthesize and purify them in vitro, which compromises their delivery and inclusion in formulations. In this review, we offer a comprehensive analysis of peptaibiotics' classification, biosynthesis, relevance to plant protection, and mode of action against phytopathogens, along with the techniques enabling researchers to extract, purify, and elucidate their structure, and the databases holding such valuable data. It is also discussed how chemical synthesis and ionic liquids could increase their solubility, how genetic engineering and epigenetics could boost in vitro production, and how omics can reduce screenings' workload through in silico selection of the best candidates. These strategies could turn peptaibiotics into effective, ultra-specific, biodegradable tools for phytopathogen control.
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Affiliation(s)
- Leandro Pereira-Dias
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022, Valencia, Spain.
| | - Paulo R Oliveira-Pinto
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Juliana O Fernandes
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Laura Regalado
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Rafael Mendes
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Cátia Teixeira
- LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Nuno Mariz-Ponte
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Paula Gomes
- LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Conceição Santos
- iB(2) Laboratory, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; LAQV-REQUIMTE, Department of Biology, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
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Hao Y, Hui J, Du T, Ge X, Zhai M. Molecular Identification of Juglans Regia Endophyte LTL-G3, Its Antifungal Potential and Bioactive Substances. IRANIAN JOURNAL OF BIOTECHNOLOGY 2023; 21:e3450. [PMID: 38269197 PMCID: PMC10804068 DOI: 10.30498/ijb.2023.352005.3450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 08/16/2023] [Indexed: 01/26/2024]
Abstract
Background Endophyte is one of the potential biocontrol agents for inhibiting plant pathogens. However, the mechanisms and characteristics involved in the inhibition of different phytopathogenic fungi by endophytes, especially walnut endophytes, are still largely unknown. Objectives The present study aimed to identify the walnut endophytic fungus LTL-G3 from a genetic point of view, assess the strain's antifungal activity, and determine the bioactivities of the substances it produces against plant pathogens. Materials and Methods The homologous sequence of strain LTL-G3 was examined, and typical strains of the Trichoderma virens group were used to build NJ phylogenetic trees and analyze the taxonomic position of the strain. The biocontrol agent's antagonistic potential for many plant pathogenic fungi. By using silica gel G chromatography, the active components of the strain were separated and purified. The active components were identified using GC-MS and NMR. Results The strain LTL-G3 was identified as Trichoderma virens. Its fermentation and secondary metabolite extracts had a broad spectrum and strong inhibitory effect on the spread of six plant pathogens (Botrytis cinerea, Fusarium graminearum, Gloeosporium fructigenum, Phytophthora capsici, Rhizoctonia solani, and Valsa mali) evaluated, of which, its inhibition rate against Valsa mali reached 76.6% (fermentation extract) and 100% (ethyl acetate and n-butanol extracts). On silica gel G chromatography, bioactive compounds were divided into 6 fractions and 7 sub-fractions. Fr.2-2 was the sub-fraction that showed the greatest inhibitory against V. mali, as an inhibition percentage of 89.36% in 1 mg. mL-1. Fifteen key inhibitory chemicals identified using GC-MS. By examining the NMR data, the chemical make-up of the precipitated white solid was identified. The inhibition rate against V. mali increased by over 95% at a dosage of 1 mg. mL-1, indicating a significant linear association between compound A and that rate. Conclusions The strain LTL-G3 can be applied as an efficient biological control agent against V. mali, and its highly inhibitive secondary metabolites provide the mechanism for this action.
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Affiliation(s)
- Yuanru Hao
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China; 2Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, China
| | - Jianchao Hui
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China; 2Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, China
| | - Tianyu Du
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China; 2Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, China
| | - Xiangrui Ge
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China; 2Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, China
| | - Meizhi Zhai
- College of Forestry, Northwest A&F University, Yangling, Shaanxi, China; 2Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, China
- Shaanxi Province Walnut Engineering Technology Research Center, Yangling, Shaanxi, 712100, 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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Zhang SH, Zhao X, Xu R, Yang Y, Tang J, Yue XL, Wang YT, Tan HY, Zhang GG, Li CW. Eleven-Residue Peptaibols Isolated from Trichoderma Longibrachiatum Rifai DMG-3-1-1 and Their Structure-Activity Relationship. Chem Biodivers 2022; 19:e202200627. [PMID: 35921066 DOI: 10.1002/cbdv.202200627] [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: 06/29/2022] [Accepted: 08/03/2022] [Indexed: 11/12/2022]
Abstract
Total 23 eleven-residue peptaibols, including five reported ones (1-5) in our previous work, were isolated from the fungus Trichoderma longibrachiatum Rifai DMG-3-1-1, which was obtained from the mushroom Clitocybe nebularis (Batsch) P. Kumm. The structures of the 13 new peptaibols (6-10 and 12-19) were determined by their NMR and MALDI-MS/MS data, their absolute structures were further determined by Marfey's analyses and their ECD data. Careful comparison of the structures of 1-23 showed that only seven residues varied including the 2nd (Gln 2 /Asn 2 ), 3rd (Ile 3 /Val 3 ), 4th (Ile 4 /Val 4 ), 6th (Pro 6 /Hyp 6 ), 8 th (Pro 6 /Hyp 6 ), 10th (Pro 10 /Hyp 10 ) and 11th (Leuol 11 /Ileol 11 /Valol 11 ) residues. Comparison of the IC 50 s against the three tested cell lines of 1-23 indicated that 2nd, 3rd and 4th amino acid residues affected their cytotoxicities powerfully. Compounds 2, 5, 9, 11, 21 and 22 showed moderate antibacterial activities against Staphylococcus aureus MRSA T144, which also showed stronger cytotoxicities against BV2 and MCF-7 cells.
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Affiliation(s)
- Shu-Hua Zhang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Xue Zhao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Rui Xu
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Yu Yang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Jing Tang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Xian-Lin Yue
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Yu-Ting Wang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Hong-Yu Tan
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Taiping road 27, Haidian District, Beijing, Beijing, CHINA
| | - Guo-Gang Zhang
- Shenyang Pharmaceutical University, School of Traditional Chinese Materia Medica, Wenhua road 103, Shenhe District, Shenyang, Shenyang, CHINA
| | - Chang-Wei Li
- Beijing Institute of Pharmacology and Toxicology, Institute of Pharmacology and Toxicology, Taiping Road 27, Haidian District, Beijing, China, 100850, Beijing, CHINA
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Gakuubi MM, Ching KC, Munusamy M, Wibowo M, Liang ZX, Kanagasundaram Y, Ng SB. Enhancing the Discovery of Bioactive Secondary Metabolites From Fungal Endophytes Using Chemical Elicitation and Variation of Fermentation Media. Front Microbiol 2022; 13:898976. [PMID: 35733953 PMCID: PMC9207341 DOI: 10.3389/fmicb.2022.898976] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 05/05/2022] [Indexed: 11/26/2022] Open
Abstract
Endophytic microorganisms are an important source of bioactive secondary metabolites. In this study, fungal endophytes obtained from A*STAR’s Natural Product Library (NPL) and previously isolated from different habitats of Singapore were investigated for their diversity, antimicrobial, and cytotoxic activities. A total of 222 fungal strains were identified on the basis of sequence analysis of ITS region of the rDNA gene. The identified fungal strains belong to 59 genera distributed in 20 orders. Majority of the identified strains (99%; 219 strains) belong to the phylum Ascomycota, while two strains belonged to the phylum Basidiomycota, and only one strain was from Mucoromycota phylum. The most dominant genus was Colletotrichum accounting for 27% of all the identified strains. Chemical elicitation using 5-azacytidine and suberoylanilide hydroxamic acid (SAHA) and variation of fermentation media resulted in the discovery of more bioactive strains. Bioassay-guided isolation and structure elucidation of active constituents from three prioritized fungal strains: Lophiotrema sp. F6932, Muyocopron laterale F5912, and Colletotrichum tropicicola F10154, led to the isolation of a known compound; palmarumycin C8 and five novel compounds; palmarumycin CP30, muyocopronol A-C and tropicicolide. Tropicicolide displayed the strongest antifungal activity against Aspergillus fumigatus with an IC50 value of 1.8 μg/ml but with a weaker activity against the Candida albicans presenting an IC50 of 7.1 μg/ml. Palmarumycin C8 revealed the best antiproliferative activity with IC50 values of 1.1 and 2.1 μg/ml against MIA PaCa-2 and PANC-1 cells, respectively.
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Affiliation(s)
- Martin Muthee Gakuubi
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Kuan Chieh Ching
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Madhaiyan Munusamy
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Mario Wibowo
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Zhao-Xun Liang
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Yoganathan Kanagasundaram
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Siew Bee Ng
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- *Correspondence: Siew Bee Ng,
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Zhang SH, Yue XL, Zhao X, Tang J, Yang Y, Xu R, Ma H, Zhu SM, Luo FY, Zhang Q, Zhang GG, Li CW. Longibrachiamide A, a 20-Residue Peptaibol Isolated from Trichoderma longibrachiatum Rifai DMG-3-1-1. Chem Biodivers 2022; 19:e202200286. [PMID: 35502602 DOI: 10.1002/cbdv.202200286] [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: 03/28/2022] [Accepted: 05/02/2022] [Indexed: 11/07/2022]
Abstract
Longibrachiamide A (1), a new 20-residue peptaibol, along with three known ones (2-4), were isolated from the fungus Trichoderma longibrachiatum Rifai DMG-3-1-1, isolated from a mushroom Clitocybe nebularis (Batsch) P. Kumm, which was collected from coniferous forest of northeast China in our previous work. The structure of longibrachiamide A (1) was determined by its NMR and ESI-MS/MS data, the absolute configuration of 1 was further determined by Marfey's analyses. And the complete NMR data of 2-4 were also reported for the first time. The similar CD spectra of 1-4 showed that they all had mixed 310 -/α-helical conformations. Compounds 1-4 showed strong cytotoxicities against BV2, A549 and MCF-7 cells, and also showed moderate inhibitory effects against the tested Gram-positive bacteria, including MRSA T144 and VRE-10.
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Affiliation(s)
- Shu-Hua Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China.,School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 110016, Shenyang, China
| | - Xian-Lin Yue
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China.,School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 110016, Shenyang, China
| | - Xue Zhao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Jing Tang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Yu Yang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Rui Xu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Hao Ma
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Shuai-Ming Zhu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Fu-Yao Luo
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
| | - Qin Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China.,School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 110016, Shenyang, China
| | - Guo-Gang Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, 110016, Shenyang, China
| | - Chang-Wei Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 100850, Beijing, China
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9
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Staszczak M. Fungal Secondary Metabolites as Inhibitors of the Ubiquitin-Proteasome System. Int J Mol Sci 2021; 22:13309. [PMID: 34948102 PMCID: PMC8707610 DOI: 10.3390/ijms222413309] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/04/2021] [Accepted: 12/07/2021] [Indexed: 12/19/2022] Open
Abstract
The ubiquitin-proteasome system (UPS) is the major non-lysosomal pathway responsible for regulated degradation of intracellular proteins in eukaryotes. As the principal proteolytic pathway in the cytosol and the nucleus, the UPS serves two main functions: the quality control function (i.e., removal of damaged, misfolded, and functionally incompetent proteins) and a major regulatory function (i.e., targeted degradation of a variety of short-lived regulatory proteins involved in cell cycle control, signal transduction cascades, and regulation of gene expression and metabolic pathways). Aberrations in the UPS are implicated in numerous human pathologies such as cancer, neurodegenerative disorders, autoimmunity, inflammation, or infectious diseases. Therefore, the UPS has become an attractive target for drug discovery and development. For the past two decades, much research has been focused on identifying and developing compounds that target specific components of the UPS. Considerable effort has been devoted to the development of both second-generation proteasome inhibitors and inhibitors of ubiquitinating/deubiquitinating enzymes. With the feature of unique structure and bioactivity, secondary metabolites (natural products) serve as the lead compounds in the development of new therapeutic drugs. This review, for the first time, summarizes fungal secondary metabolites found to act as inhibitors of the UPS components.
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Affiliation(s)
- Magdalena Staszczak
- Department of Biochemistry and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
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10
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Gupta P, Verma A, Rai N, Singh AK, Singh SK, Kumar B, Kumar R, Gautam V. Mass Spectrometry-Based Technology and Workflows for Studying the Chemistry of Fungal Endophyte Derived Bioactive Compounds. ACS Chem Biol 2021; 16:2068-2086. [PMID: 34724607 DOI: 10.1021/acschembio.1c00581] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Bioactive compounds have gained substantial attention in research and have conferred great advancements in the industrial and pharmacological fields. Highly diverse fungi and their metabolome serve as a big platform to be explored for their diverse bioactive compounds. Omics tools coupled with bioinformatics, statistical, and well-developed algorithm tools have elucidated immense knowledge about fungal endophyte derived bioactive compounds. Further, these compounds are subjected to chromatography-gas chromatography and liquid chromatography (LC), spectroscopy-nuclear magnetic resonance (NMR), and "soft ionization" technique-matrix-assisted laser desorption/ionization-time-of-flight (MALDI-TOF) based analytical techniques for structural characterization. The mass spectrometry (MS)-based approach, being highly sensitive, reproducible, and reliable, produces quick and high-profile identification. Coupling these techniques with MS has resulted in a descriptive account of the identification and quantification of fungal endophyte derived bioactive compounds. This paper emphasizes the workflows of the above-mentioned techniques, their advancement, and future directions to study the unraveled area of chemistry of fungal endophyte-derived bioactive compounds.
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Affiliation(s)
- Priyamvada Gupta
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Ashish Verma
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Nilesh Rai
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Anurag Kumar Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Santosh Kumar Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Brijesh Kumar
- Department of Pharmacology, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Rajiv Kumar
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
| | - Vibhav Gautam
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, India
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11
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Gavryushina IA, Georgieva ML, Kuvarina AE, Sadykova VS. Peptaibols as Potential Antifungal and Anticancer Antibiotics: Current and Foreseeable Development (Review). APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821050070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Krain A, Siupka P. Fungal Guttation, a Source of Bioactive Compounds, and Its Ecological Role-A Review. Biomolecules 2021; 11:biom11091270. [PMID: 34572483 PMCID: PMC8467351 DOI: 10.3390/biom11091270] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 11/16/2022] Open
Abstract
Guttation is a common phenomenon in the fungal kingdom. Its occurrence and intensity depend largely on culture conditions, such as growth medium composition or incubation temperature. As filamentous fungi are a rich source of compounds, possessing various biological activities, guttation exudates could also contain bioactive substances. Among such molecules, researchers have already found numerous mycotoxins, antimicrobials, insecticides, bioherbicides, antiviral, and anticancer agents in exudate droplets. They belong to either secondary metabolites (SMs) or proteins and are secreted with different intensities. The background of guttation, in terms of its biological role, in vivo, and promoting factors, has been explored only partially. In this review, we describe the metabolites present in fungal exudates, their diversity, and bioactivities. Pointing to the significance of fungal ecology and natural products discovery, selected aspects of guttation in the fungi are discussed.
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