1
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Zheng Y, Qin S, Xu L, Sang Z, Chen C, Tan J, Huang Y, Li M, Zou Z. Ochrolines A-C, three new indole diketopiperazines from cultures of endophytic fungi Bionectria ochroleuca SLJB-2. Fitoterapia 2024; 173:105809. [PMID: 38168565 DOI: 10.1016/j.fitote.2023.105809] [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: 10/15/2023] [Revised: 12/17/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
Abstract
Three new indole diketopiperazines, ochrolines A-C (1-3), along with three known compounds (4-6), were isolated and identified from the EtOAc extract of the solid fermentation of Bionectria ochroleuca SLJB-2. Notably, compound 1 featured a natural rarely-occurring caged skeleton with a 6/5/6/7 heterotetracyclic bridged ring system. The structures including absolute configurations of 1-3 were fully accomplished by extensive spectroscopic analyses, DFT GIAO 13C NMR and electronic circular dichroism (ECD) calculations. The plausible biogenetic pathways of these new indole diketopiperazines were also proposed. Moreover, the cytotoxic activity screening revealed that compound 2 exhibited moderate inhibitory effect against A549 with inhibition rate of 57.44% at the concentration of 50 μM and compound 1 exhibited mild inhibitory activities against A549, Hela and MCF-7.
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Affiliation(s)
- Yuting Zheng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Siyu Qin
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Li Xu
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Zihuan Sang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Chen Chen
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Jianbing Tan
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China
| | - Yuantao Huang
- Affiliated Haikou Hospital of Xiangya School of Medicine, Central South University, Haikou 570100, China
| | - Meifang Li
- Affiliated Haikou Hospital of Xiangya School of Medicine, Central South University, Haikou 570100, China
| | - Zhenxing Zou
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China; Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Changsha 410013, China.
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2
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Morehouse NJ, Clark TN, Kerr RG, Johnson JA, Gray CA. Caryophyllene Sesquiterpenes from a Chaetomium globosum Endophyte of the Canadian Medicinal Plant Empetrum nigrum. JOURNAL OF NATURAL PRODUCTS 2023; 86:1615-1619. [PMID: 37267043 DOI: 10.1021/acs.jnatprod.2c01159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Punctaporonins T (1) and U (2), new caryophyllene sesquiterpenes, were isolated with three known punctaporonins, A (3), B (4), and C (5), from the endophytic fungus Chaetomium globosum (TC2-041). The structures and relative configurations of punctaporonins T and U were elucidated based on a combination of HRESIMS, 1D/2D NMR spectroscopic analysis, and X-ray diffraction analysis, while their absolute configuration is presumed to be consistent with the co-isolated 3-5 on biogenetic arguments. Compound 1 showed weak inhibitory activity against both Mycobacterium tuberculosis and Staphylococcus aureus.
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Affiliation(s)
- Nicholas J Morehouse
- Department of Biological Sciences, University of New Brunswick, 100 Tucker Park Road, Saint John, NB E2L 4L5, Canada
| | - Trevor N Clark
- Department of Biological Sciences, University of New Brunswick, 100 Tucker Park Road, Saint John, NB E2L 4L5, Canada
| | - Russell G Kerr
- Nautilus Biosciences Canada Inc., 550 University Avenue, Charlottetown, PE C1A 4P3, Canada
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada
- Department of Biomedical Sciences, Atlantic Veterinary College, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada
| | - John A Johnson
- Department of Biological Sciences, University of New Brunswick, 100 Tucker Park Road, Saint John, NB E2L 4L5, Canada
| | - Christopher A Gray
- Department of Biological Sciences, University of New Brunswick, 100 Tucker Park Road, Saint John, NB E2L 4L5, Canada
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, NB E3B 5A3, Canada
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3
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Wang L, Jiang Q, Chen S, Wang S, Lu J, Gao X, Zhang D, Jin X. Natural epidithiodiketopiperazine alkaloids as potential anticancer agents: Recent mechanisms of action, structural modification, and synthetic strategies. Bioorg Chem 2023; 137:106642. [PMID: 37276722 DOI: 10.1016/j.bioorg.2023.106642] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/18/2023] [Accepted: 05/27/2023] [Indexed: 06/07/2023]
Abstract
Cancer has become a grave health crisis that threatens the lives of millions of people worldwide. Because of the drawbacks of the available anticancer drugs, the development of novel and efficient anticancer agents should be encouraged. Epidithiodiketopiperazine (ETP) alkaloids with a 2,5-diketopiperazine (DKP) ring equipped with transannular disulfide or polysulfide bridges or S-methyl moieties constitute a special subclass of fungal natural products. Owing to their privileged sulfur units and intriguing architectural structures, ETP alkaloids exhibit excellent anticancer activities by regulating multiple cancer proteins/signaling pathways, including HIF-1, NF-κB, NOTCH, Wnt, and PI3K/AKT/mTOR, or by inducing cell-cycle arrest, apoptosis, and autophagy. Furthermore, a series of ETP alkaloid derivatives obtained via structural modification showed more potent anticancer activity than natural ETP alkaloids. To solve supply difficulties from natural resources, the total synthetic routes for several ETP alkaloids have been designed. In this review, we summarized several ETP alkaloids with anticancer properties with particular emphasis on their underlying mechanisms of action, structural modifications, and synthetic strategies, which will offer guidance to design and innovate potential anticancer drugs.
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Affiliation(s)
- Lin Wang
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Qinghua Jiang
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang 110004, China
| | - Siyu Chen
- China Medical University-Queen's University of Belfast Joint College, China Medical University, Shenyang 110122, China
| | - Siyi Wang
- The 1st Clinical Department, China Medical University, Shenyang 110122, China
| | - Jingyi Lu
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Xun Gao
- Jiangsu Institute Marine Resources Development, Jiangsu Ocean University, Lianyungang 222005, China
| | - Dongfang Zhang
- School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Xin Jin
- School of Pharmacy, China Medical University, Shenyang 110122, China.
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4
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Zeng Q, Cui H, Yao H, Yuan T. Five Sesquiterpenes from Paraconiothyrium sp. and Their Anti-inflammatory Activity. Chem Biodivers 2023; 20:e202300477. [PMID: 37212458 DOI: 10.1002/cbdv.202300477] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 05/23/2023]
Abstract
Five eremophilane sesquiterpenes including three new ones, named paraconions A-C (1-3), were isolated from an endophytic fungus, Paraconiothyrium sp. from Artemisia selengensis. The structures of these new compounds were established based on spectroscopic methods, including nuclear magnetic resonance (NMR), ultraviolet (UV), and infrared (IR) spectroscopy, as well as high resolution electrospray ionization mass spectrometry (HR-ESI-MS). An anti-inflammatory assay indicated that paraconion B (2) inhibited lipopolysaccharide-induced nitric oxide (NO) production in RAW 264.7 cells, with an IC50 value of 51.7 μM. The compounds discovered in this study will enrich the structural types of secondary metabolites of the endophytic fungus Paraconiothyrium sp.
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Affiliation(s)
- Qingting Zeng
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
| | - Hao Cui
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
| | - Houzong Yao
- School of Health, Jiangxi Normal University, Nanchang, 330022, China
| | - Tao Yuan
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, China
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5
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Rybczyńska-Tkaczyk K, Grenda A, Jakubczyk A, Krawczyk P. Natural Bacterial and Fungal Peptides as a Promising Treatment to Defeat Lung Cancer Cells. Molecules 2023; 28:molecules28114381. [PMID: 37298856 DOI: 10.3390/molecules28114381] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Despite the increasing availability of modern treatments, including personalized therapies, there is a strong need to search for new drugs that will be effective in the fight against cancer. The chemotherapeutics currently available to oncologists do not always yield satisfactory outcomes when used in systemic treatments, and patients experience burdensome side effects during their application. In the era of personalized therapies, doctors caring for non-small cell lung cancer (NSCLC) patients have been given a powerful weapon, namely molecularly targeted therapies and immunotherapies. They can be used when genetic variants of the disease qualifying for therapy are diagnosed. These therapies have contributed to the extension of the overall survival time in patients. Nevertheless, effective treatment may be hindered in the case of clonal selection of tumor cells with acquired resistance mutations. The state-of-the-art therapy currently used in NSCLC patients is immunotherapy targeting the immune checkpoints. Although it is effective, some patients have been observed to develop resistance to immunotherapy, but its cause is still unknown. Personalized therapies extend the lifespan and time to cancer progression in patients, but only those with a confirmed marker qualifying for the treatment (gene mutations/rearrangements or PD-L1 expression on tumor cells) can benefit from these therapies. They also cause less burdensome side effects than chemotherapy. The article is focused on compounds that can be used in oncology and produce as few side effects as possible. The search for compounds of natural origin, e.g., plants, bacteria, or fungi, exhibiting anticancer properties seems to be a good solution. This article is a literature review of research on compounds of natural origin that can potentially be used as part of NSCLC therapies.
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Affiliation(s)
- Kamila Rybczyńska-Tkaczyk
- Department of Environmental Microbiology, The University of Life Sciences, Leszczyńskiego Street 7, 20-069 Lublin, Poland
| | - Anna Grenda
- Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, Jaczewskiego Street 8, 20-954 Lublin, Poland
| | - Anna Jakubczyk
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Skromna Street 8, 20-704 Lublin, Poland
| | - Paweł Krawczyk
- Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, Jaczewskiego Street 8, 20-954 Lublin, Poland
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6
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Yeye EO, Adeniyi-Akee MA, Ahmed SA, Aboaba SA. In Silico studies and Antimicrobial Investigation of Synthesised Novel N-acylhydrazone Derivatives of Indole. SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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7
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Silva DPD, Cardoso MS, Macedo AJ. Endophytic Fungi as a Source of Antibacterial Compounds-A Focus on Gram-Negative Bacteria. Antibiotics (Basel) 2022; 11:1509. [PMID: 36358164 PMCID: PMC9687006 DOI: 10.3390/antibiotics11111509] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 07/30/2023] Open
Abstract
Bacterial resistance has become one of the main motives in the worldwide race for undescribed antibacterial agents. The difficulties in the treatment of bacterial infections are a public health issue that increasingly highlights the need for antimicrobial agents. Endophytic microorganisms are a promising alternative in the search for drugs, due to the vast number of metabolites produced with unique characteristics and bioactive potential. This review highlights the importance of endophytic microorganisms as a source of secondary metabolites in the search for active molecules against bacteria of medical importance, with a special focus on gram-negative species. This fact is supported by the findings raised in this review, which brings an arsenal of 166 molecules with characterized chemical structures and their antibacterial activities. In addition, the low cost, ease of maintenance, and optimization-controlled fermentation conditions favor reproducibility in commercial scale. Given their importance, it is necessary to intensify the search for new molecules from endophytic microorganisms, and to increasingly invest in this very promising font.
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8
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Fan Y, Ma Z, Zhang Y, Wang Y, Ding Y, Wang C, Cao S. Sulfur-Containing Compounds from Endophytic Fungi: Sources, Structures and Bioactivities. J Fungi (Basel) 2022; 8:jof8060628. [PMID: 35736111 PMCID: PMC9224594 DOI: 10.3390/jof8060628] [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: 05/29/2022] [Revised: 06/10/2022] [Accepted: 06/10/2022] [Indexed: 12/01/2022] Open
Abstract
Endophytic fungi have attracted increasing attention as an under-explored source for the discovery and development of structurally and functionally diverse secondary metabolites. These microorganisms colonize their hosts, primarily plants, and demonstrate diverse ecological distribution. Among endophytic fungal natural products, sulfur-containing compounds feature one or more sulfur atoms and possess a range of bioactivities, e.g., cytotoxicity and antimicrobial activities. These natural products mainly belong to the classes of polyketides, nonribosomal peptides, terpenoids, and hybrids. Here, we reviewed the fungal producers, plant sources, chemical structures, and bioactivities of 143 new sulfur-containing compounds that were reported from 1985 to March 2022.
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Affiliation(s)
- Yaqin Fan
- Shandong Provincial Key Laboratory of Applied Mycology, School of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China; (Y.F.); (Z.M.); (Y.Z.)
| | - Zhiheng Ma
- Shandong Provincial Key Laboratory of Applied Mycology, School of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China; (Y.F.); (Z.M.); (Y.Z.)
| | - Yan Zhang
- Shandong Provincial Key Laboratory of Applied Mycology, School of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China; (Y.F.); (Z.M.); (Y.Z.)
| | - Yufei Wang
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530006, China;
| | - Yousong Ding
- Department of Medicinal Chemistry, Center for Natural Products, Drug Discovery and Development, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA;
| | - Cong Wang
- Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530006, China;
- Correspondence: (C.W.); (S.C.)
| | - Shugeng Cao
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawai’i at Hilo, 200 W. Kawili St., Hilo, HI 96720, USA
- Correspondence: (C.W.); (S.C.)
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9
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Shevkar C, Pradhan P, Armarkar A, Pandey K, Kalia K, Paranagama P, Kate AS. Exploration of Potent Cytotoxic Molecules from Fungi in Recent Past to Discover Plausible Anticancer Scaffolds. Chem Biodivers 2022; 19:e202100976. [PMID: 35315213 DOI: 10.1002/cbdv.202100976] [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: 12/07/2021] [Accepted: 03/03/2022] [Indexed: 11/10/2022]
Abstract
Fungi are known to produce diverse scaffolds possessing unique biological activities, however, to date, no molecule discovered from a fungal source has reached the market as an anti-cancer drug. Every year number of cytotoxic molecules of fungal origin are getting published and critical analysis of those compounds is necessary to identify the potent ones. A review mentioning the best cytotoxic fungal metabolites and their status in the drug development was published in 2014. In this report, we have included 176 cytotoxic molecules isolated from fungi after 2014 and categorized them according to their potencies such as IC50 values below 1 μM, 1-5 μM, and 5-10 μM. The emphasis was given to those 42 molecules which have shown IC50 less than 1 μM and discussed to a great extent. This review shall provide potent scaffolds of fungal origin which can be given priority in the development as a drug candidate for cancer therapeutics.
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Affiliation(s)
- Chaitrali Shevkar
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Pranali Pradhan
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Ashwini Armarkar
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Komal Pandey
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Kiran Kalia
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
| | - Priyani Paranagama
- Department of Chemistry, University of Kelaniya, Dalugama, Kelaniya, 11600, Sri Lanka
| | - Abhijeet S Kate
- Department of Natural Products, National Institute of Pharmaceutical Education and Research, Ahmedabad, Gujarat, 382355, India
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10
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Deshmukh SK, Dufossé L, Chhipa H, Saxena S, Mahajan GB, Gupta MK. Fungal Endophytes: A Potential Source of Antibacterial Compounds. J Fungi (Basel) 2022; 8:164. [PMID: 35205918 PMCID: PMC8877021 DOI: 10.3390/jof8020164] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 02/04/2023] Open
Abstract
Antibiotic resistance is becoming a burning issue due to the frequent use of antibiotics for curing common bacterial infections, indicating that we are running out of effective antibiotics. This has been more obvious during recent corona pandemics. Similarly, enhancement of antimicrobial resistance (AMR) is strengthening the pathogenicity and virulence of infectious microbes. Endophytes have shown expression of various new many bioactive compounds with significant biological activities. Specifically, in endophytic fungi, bioactive metabolites with unique skeletons have been identified which could be helpful in the prevention of increasing antimicrobial resistance. The major classes of metabolites reported include anthraquinone, sesquiterpenoid, chromone, xanthone, phenols, quinones, quinolone, piperazine, coumarins and cyclic peptides. In the present review, we reported 451 bioactive metabolites isolated from various groups of endophytic fungi from January 2015 to April 2021 along with their antibacterial profiling, chemical structures and mode of action. In addition, we also discussed various methods including epigenetic modifications, co-culture, and OSMAC to induce silent gene clusters for the production of noble bioactive compounds in endophytic fungi.
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Affiliation(s)
- Sunil K. Deshmukh
- TERI-Deakin Nano Biotechnology Centre, The Energy and Resources Institute, Darbari Seth Block, IHC Complex, Lodhi Road, New Delhi 110003, Delhi, India
- Agpharm Bioinnovations LLP, Incubatee: Science and Technology Entrepreneurs Park (STEP), Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India;
| | - Laurent Dufossé
- Chimie et Biotechnologie des Produits Naturels (CHEMBIOPRO Lab) & ESIROI Agroalimentaire, Université de la Réunion, 15 Avenue René Cassin, 97744 Saint-Denis, France
| | - Hemraj Chhipa
- College of Horticulture and Forestry, Agriculture University Kota, Jhalawar 322360, Rajasthan, India;
| | - Sanjai Saxena
- Agpharm Bioinnovations LLP, Incubatee: Science and Technology Entrepreneurs Park (STEP), Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India;
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
| | | | - Manish Kumar Gupta
- SGT College of Pharmacy, SGT University, Gurugram 122505, Haryana, India;
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11
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Prajapati J, Goswami D, Rawal RM. Endophytic fungi: A treasure trove of novel anticancer compounds. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2021; 2:100050. [PMID: 34909676 PMCID: PMC8663939 DOI: 10.1016/j.crphar.2021.100050] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/18/2021] [Accepted: 08/31/2021] [Indexed: 12/18/2022] Open
Abstract
Cancer is a multifactorial disease with a convoluted genesis and progression. The emergence of multidrug resistance to presently be offered drug and relapse is by far, the most critical concern to tackle this deteriorating disease. Henceforth, there is undeniably an inflated necessity for safe, promising, and less harmful new anticancer drugs. Natural compounds from various sources like plants, animals, and microorganisms have occupied a center stage in drug discovery due to their tremendous chemical diversity and potential as therapeutic agents. Endophytic microbes are symbiotically associated with plants and have been proven to produce novel or analogues of host bioactive metabolites exhibiting a variety of biological activities including anticancer activity. This review emphasizes on structurally diverse unprecedented anticancer natural compounds that have been reported exclusively from endophytic fungi from 2016 to 2020. It covers chemical nature of metabolites, its fungal source associated with terrestrial, as well as marine plants and anticancer activity based on their cytotoxicity profile against various cancer cell lines. Many of these fungal metabolites with promising anticancer activity can be used as lead molecules for in silico experiments and deserve special attention from scientists for further in vitro and clinical research.
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Affiliation(s)
- Jignesh Prajapati
- Department of Biochemistry & Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Dweipayan Goswami
- Department of Microbiology & Biotechnology, University School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Rakesh M. Rawal
- Department of Biochemistry & Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
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12
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Biologically active secondary metabolites and biotechnological applications of species of the family Chaetomiaceae (Sordariales): an updated review from 2016 to 2021. Mycol Prog 2021. [DOI: 10.1007/s11557-021-01704-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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13
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Dai J, Han R, Xu Y, Li N, Wang J, Dan W. Recent progress of antibacterial natural products: Future antibiotics candidates. Bioorg Chem 2020; 101:103922. [PMID: 32559577 DOI: 10.1016/j.bioorg.2020.103922] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/01/2020] [Accepted: 05/06/2020] [Indexed: 12/16/2022]
Abstract
The discovery of novel antibacterial molecules plays a key role in solving the current antibiotic crisis issue. Natural products have long been an important source of drug discovery. Herein, we reviewed 256 natural products from 11 structural classes in the period of 2016-01/2020, which were selected by SciFinder with new compounds or new structures and MICs lower than 10 μg/mL or 10 μM as criterions. This review will provide some effective antibacterial lead compounds for medicinal chemists, which will promote the antibiotics research based on natural products to the next level.
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Affiliation(s)
- Jiangkun Dai
- College of Veterinary Medicine, Northwest A&F University, Shaanxi, China(1); State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau, China(1); School of Life Science and Technology, Weifang Medical University, Shandong, China(1).
| | - Rui Han
- College of Chemistry & Pharmacy, Northwest A&F University, Shaanxi, China(1)
| | - Yujie Xu
- College of Chemistry & Pharmacy, Northwest A&F University, Shaanxi, China(1)
| | - Na Li
- College of Food Science and Technology, Northwest University, Xi'an, China(1).
| | - Junru Wang
- College of Veterinary Medicine, Northwest A&F University, Shaanxi, China(1); College of Chemistry & Pharmacy, Northwest A&F University, Shaanxi, China(1).
| | - Wenjia Dan
- School of Life Science and Technology, Weifang Medical University, Shandong, China(1); College of Chemistry & Pharmacy, Northwest A&F University, Shaanxi, China(1).
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14
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Jia B, Ma YM, Liu B, Chen P, Hu Y, Zhang R. Synthesis, Antimicrobial Activity, Structure-Activity Relationship, and Molecular Docking Studies of Indole Diketopiperazine Alkaloids. Front Chem 2019; 7:837. [PMID: 31850323 PMCID: PMC6897290 DOI: 10.3389/fchem.2019.00837] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 11/18/2019] [Indexed: 12/16/2022] Open
Abstract
Strategies for the synthesis of indole diketopiperazine alkaloids (indole DKPs) have been described and involve three analogs of indole DKPs. The antimicrobial activity and structure-activity relationship (SAR) of 24 indole DKPs were explored. Compounds 3b and 3c were found to be the most active, with minimum inhibitory concentrations (MIC) values in the range of 0.94–3.87 μM (0.39–1.56 μg/mL) against the four tested bacteria (Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, and Escherichia coli). Furthermore, compounds 4a and 4b displayed broad-spectrum antimicrobial activity with MIC values of 1.10–36.9 μM (0.39–12.5 μg/mL) against all tested bacteria and plant pathogenic fungi (Colletotrichum gloeosporioides, Valsa mali, Alternaria alternata and Alternaria brassicae). According to the in silico study, compounds 3c showed significant binding affinity to the FabH protein from Escherichia coli, which has been identified as the key target enzyme of fatty acid synthesis (FAS) in bacteria. Therefore, these compounds are not only promising new antibacterial agents but also potential FabH inhibitors.
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Affiliation(s)
- Bin Jia
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Yang-Min Ma
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Bin Liu
- School of Pharmacy, Shaanxi Institute of International Trade and Commerce, Xi'an, China.,Collaborative Innovation Center of Green Manufacturing Technology for Traditional Chinese Medicine in Shaanxi Province, Xi'an, China
| | - Pu Chen
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Yan Hu
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Rui Zhang
- School of Arts and Sciences, Shaanxi University of Science and Technology, Xi'an, China
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15
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Zhao P, Xue Y, Li J, Li X, Zu X, Zhao Z, Quan C, Gao W, Feng S. Non-lipopeptide fungi-derived peptide antibiotics developed since 2000. Biotechnol Lett 2019; 41:651-673. [PMID: 31020454 DOI: 10.1007/s10529-019-02677-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 04/22/2019] [Indexed: 12/11/2022]
Abstract
The 2,5-diketopiperazines (DKPs) are the smallest cyclopeptides and their basic structure includes a six-membered piperazine nucleus. Typical peptides lack a special functional group in the oligopeptide nucleus. Both are produced by at least 35 representative genera of fungi, and possess huge potential as pharmaceutical drugs and biocontrol agents. To date, only cyclosporin A has been developed into a commercial product. This review summarises 186 fungi-derived compounds reported since 2000. Antibiotic (antibacterial, antifungal, synergistic antifungal, antiviral, antimycobacterial, antimalarial, antileishmanial, insecticidal, antitrypanosomal, nematicidal and antimicroalgal) activities are discussed for 107 of them, including 66 DKPs (14 epipolythiodioxopiperazines, 20 polysulphide bridge-free thiodiketopiperazines, and 32 sulphur-free prenylated indole DKPs), 15 highly N-methylated, and 26 non-highly N-methylated typical peptides. Structure-activity relationships, mechanisms of action, and research methods are covered in detail. Additionally, biosynthases of tardioxopiperazines and neoechinulins are highlighted. These compounds have attracted considerable interest within the pharmaceutical and agrochemical industries.
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Affiliation(s)
- Pengchao Zhao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yun Xue
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.
| | - Jinghua Li
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Xin Li
- Life Science College, Yuncheng University, Yuncheng, 044000, China
| | - Xiangyang Zu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Zhanqin Zhao
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, 471023, China.
| | - Chunshan Quan
- Department of Life Science, Dalian Nationalities University, Dalian, 116600, China
| | - Weina Gao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Shuxiao Feng
- College of Chemical Engineering and Pharmacy, Henan University of Science and Technology, Luoyang, 471023, China
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16
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Zhang GY, Peng Y, Xue J, Fan YH, Deng QH. Copper-catalyzed nitrene transfer/cyclization cascade to synthesize 3a-nitrogenous furoindolines and pyrroloindolines. Org Chem Front 2019. [DOI: 10.1039/c9qo01124b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Copper-catalyzed nitrene transfer for amination/cyclization of tryptophols and tryptamines to generate the corresponding indole alkaloids in good to excellent yields was successfully developed.
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Affiliation(s)
- Guang-Yi Zhang
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Yi Peng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Jing Xue
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Yan-Hui Fan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
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17
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Ouyang J, Mao Z, Guo H, Xie Y, Cui Z, Sun J, Wu H, Wen X, Wang J, Shan T. Mollicellins O⁻R, Four New Depsidones Isolated from the Endophytic Fungus Chaetomium sp. Eef-10. Molecules 2018; 23:molecules23123218. [PMID: 30563178 PMCID: PMC6321418 DOI: 10.3390/molecules23123218] [Citation(s) in RCA: 16] [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: 11/15/2018] [Revised: 12/02/2018] [Accepted: 12/04/2018] [Indexed: 01/22/2023] Open
Abstract
Four new depsidones, mollicellins O⁻R (compounds 1⁻4), along with three known compounds 5⁻7, were isolated from cultures of the fungus Chaetomium sp. Eef-10, an endophyte isolated from Eucalyptus exserta. The structures of the new compounds were elucidated by analysis of the 1D and 2D NMR and HR-ESI-MS spectra. The known compounds were identified by comparison of their spectral data with published values. Compounds 1⁻7 were evaluated for antibacterial activities against Staphylococcus aureus (sensitive and resistant strains), Escherichia coli, Agrobacterium tumefaciens, Salmonella typhimurium, Pseudomonas lachrymans, Ralstonia solanacearum, Xanthomonas vesicatoria and cytotoxic activities against two human cancer cell lines (HepG2 and Hela). Mollicellin H (6) displayed best antibacterial activity, with IC50 values of 5.14 µg/mL against S. aureus ATCC29213 and 6.21 µg/mL against S. aureus N50, MRSA, respectively. Mollicellin O (1) and mollicellin I (7) also exhibited antibacterial activities against S. aureus ATCC29213 and S. aureus N50. Mollicellin G (5) was active against both two human cancer cell lines, with IC50 values of 19.64 and 13.97 µg/mL while compounds 6 and 7 only showed cytotoxic activity against one cell line. In addition, mollicellin O (1) showed antioxidant activity based on DPPH radical scavenging, with an IC50 value of 71.92 µg/mL.
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Affiliation(s)
- Jinkui Ouyang
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
| | - Ziling Mao
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou 510642, China.
| | - Hui Guo
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Yunying Xie
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peaking Union Medical College, Beijing 100050, China.
| | - Zehua Cui
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou 510642, China.
| | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, South China Agricultural University, Guangzhou 510642, China.
| | - Huixiong Wu
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
| | - Xiujun Wen
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
| | - Jun Wang
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou 510642, China.
| | - Tijiang Shan
- Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China.
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou 510642, China.
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18
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Li Z, Ma N, Zhao PJ. Acetylcholinesterase inhibitory active metabolites from the endophytic fungus Colletotrichum sp. YMF432. Nat Prod Res 2018; 33:1794-1797. [PMID: 29397775 DOI: 10.1080/14786419.2018.1434648] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Zhe Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Ni Ma
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Pei-Ji Zhao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, China
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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