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Zhao S, Li J, Liu J, Xiao S, Yang S, Mei J, Ren M, Wu S, Zhang H, Yang X. Secondary metabolites of Alternaria: A comprehensive review of chemical diversity and pharmacological properties. Front Microbiol 2023; 13:1085666. [PMID: 36687635 PMCID: PMC9852848 DOI: 10.3389/fmicb.2022.1085666] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/17/2022] [Indexed: 01/09/2023] Open
Abstract
Fungi are considered to be one of the wealthiest sources of bio-metabolites that can be employed for yielding novel biomedical agents. Alternaria, including parasitic, saprophytic, and endophytic species, is a kind of dark fungi that can produce a broad array of secondary metabolites (SMs) widely distributed in many ecosystems. These are categorized into polyketides, nitrogen-containing compounds, quinones, terpenes, and others based on the unique structural features of the metabolites. New natural products derived from Alternaria exhibit excellent bioactivities characterized by antibacterial, antitumor, antioxidative, phytotoxic, and enzyme inhibitory properties. Thus, the bio-metabolites of Alternaria species are significantly meaningful for pharmaceutical, industrial, biotechnological, and medicinal applications. To update the catalog of secondary metabolites synthesized by Alternaria fungi, 216 newly described metabolites isolated from Alternaria fungi were summarized with their diverse chemical structures, pharmacological activity, and possible biosynthetic pathway. In addition, possible insights, avenues, and challenges for future research and development of Alternaria are discussed.
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Affiliation(s)
- Shiqin Zhao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Juan Li
- Department of Pharmacy, Tongji Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jinping Liu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Shaoyujia Xiao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Sumei Yang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Jiahui Mei
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Mengyao Ren
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Shuzhe Wu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Hongyuan Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China
| | - Xiliang Yang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Department of Pharmacy, Institute of Infection, Immunology and Tumor Microenvironments, Institute of Pharmaceutical Process, Medical College, Wuhan University of Science and Technology, Wuhan, China,*Correspondence: Xiliang Yang
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Fraga BM, Díaz CE. Proposal for structural revision of several monosubstituted tricycloalternarenes. PHYTOCHEMISTRY 2022; 198:113141. [PMID: 35245526 DOI: 10.1016/j.phytochem.2022.113141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/15/2022] [Accepted: 02/19/2022] [Indexed: 06/14/2023]
Abstract
Cycloalternarenes are a group of meroterpenes isolated from epiphytic fungi with a mono-, bi, tri- or tetracyclic skeleton. We have detected in the bibliography a series of monosubstituted tricycloalternarenes with erroneous structures. Thus, in this work we make several proposals to correct the structures of nineteen 4-hydroxy-tricycloalternarenes, TCA 6a, TCA 11a2, (2E)- and (2Z)-TCA 12a, 2H-(2E)-TCA 12a, TCAs 9a and F2, methyl nor-tricycloalternarate, TCAs K, L, S-W, X2 and tricycloalterfurenes A-C, and four 6-hydroxy-tricycloalternarenes, TCA 12b, TCA 13b, tricycloalterfurene D and TCA F3. Moreover, the graphic representation of TCA 14b and TCAs 15b-18b had been corrected. In addition, we have suggested that mono-hydroxylated tricycloalternarenes can only exist in nature substituted at the 4α- or 6β-position (4R- or 6R-configuration), which could also be explained considering biogenetic reasons. We have also determined the C-4 and C-6 configuration of several monosubstituted tricycloalternarenes, whose planar structure had been previously determined. Thus, compounds of the "series a" such as TCAs 1a-8a, 11a and ACTG-toxin H have a 4R-configuration, whilst in the "series b" TCAs 3b-7b and TCAs 9b-11b possess a 6R-configuration.
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Affiliation(s)
- Braulio M Fraga
- Instituto de Productos Naturales y Agrobiología, C.S.I.C., Avda, Astrofísico F. Sánchez 3, 38206-La Laguna, Tenerife, Canary Islands, Spain.
| | - Carmen E Díaz
- Instituto de Productos Naturales y Agrobiología, C.S.I.C., Avda, Astrofísico F. Sánchez 3, 38206-La Laguna, Tenerife, Canary Islands, Spain
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Jiang M, Wu Z, Liu L, Chen S. The chemistry and biology of fungal meroterpenoids (2009-2019). Org Biomol Chem 2021; 19:1644-1704. [PMID: 33320161 DOI: 10.1039/d0ob02162h] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Fungal meroterpenoids are secondary metabolites from mixed terpene-biosynthetic origins. Their intriguing chemical structural diversification and complexity, potential bioactivities, and pharmacological significance make them attractive targets in natural product chemistry, organic synthesis, and biosynthesis. This review provides a systematic overview of the isolation, chemical structural features, biological activities, and fungal biodiversity of 1585 novel meroterpenoids from 79 genera terrestrial and marine-derived fungi including macrofungi, Basidiomycetes, in 441 research papers in 2009-2019. Based on the nonterpenoid starting moiety in their biosynthesis pathway, meroterpenoids were classified into four categories (polyketide-terpenoid, indole-, shikimate-, and miscellaneous-) with polyketide-terpenoids (mainly tetraketide-) and shikimate-terpenoids as the primary source. Basidiomycota produced 37.5% of meroterpenoids, mostly shikimate-terpenoids. The genera of Ganoderma, Penicillium, Aspergillus, and Stachybotrys are the four dominant producers. Moreover, about 56% of meroterpenoids display various pronounced bioactivities, including cytotoxicity, enzyme inhibition, antibacterial, anti-inflammatory, antiviral, antifungal activities. It's exciting that several meroterpenoids including antroquinonol and 4-acetyl antroquinonol B were developed into phase II clinically used drugs. We assume that the chemical diversity and therapeutic potential of these fungal meroterpenoids will provide biologists and medicinal chemists with a large promising sustainable treasure-trove for drug discovery.
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Affiliation(s)
- Minghua Jiang
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
| | - Zhenger Wu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China.
| | - Lan Liu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
| | - Senhua Chen
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China. and Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China and South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
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Abstract
This review covers the literature published between January and December in 2018 for marine natural products (MNPs), with 717 citations (706 for the period January to December 2018) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1554 in 469 papers for 2018), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included. The proportion of MNPs assigned absolute configuration over the last decade is also surveyed.
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Affiliation(s)
- Anthony R Carroll
- School of Environment and Science, Griffith University, Gold Coast, Australia. and Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia and School of Environment and Science, Griffith University, Brisbane, Australia
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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Jiang M, Wu Z, Guo H, Liu L, Chen S. A Review of Terpenes from Marine-Derived Fungi: 2015-2019. Mar Drugs 2020; 18:E321. [PMID: 32570903 PMCID: PMC7345631 DOI: 10.3390/md18060321] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 06/16/2020] [Accepted: 06/16/2020] [Indexed: 12/16/2022] Open
Abstract
Marine-derived fungi are a significant source of pharmacologically active metabolites with interesting structural properties, especially terpenoids with biological and chemical diversity. In the past five years, there has been a tremendous increase in the rate of new terpenoids from marine-derived fungi being discovered. In this updated review, we examine the chemical structures and bioactive properties of new terpenes from marine-derived fungi, and the biodiversity of these fungi from 2015 to 2019. A total of 140 research papers describing 471 new terpenoids of six groups (monoterpenes, sesquiterpenes, diterpenes, sesterterpenes, triterpenes, and meroterpenes) from 133 marine fungal strains belonging to 34 genera were included. Among them, sesquiterpenes, meroterpenes, and diterpenes comprise the largest proportions of terpenes, and the fungi genera of Penicillium, Aspergillus, and Trichoderma are the dominant producers of terpenoids. The majority of the marine-derived fungi are isolated from live marine matter: marine animals and aquatic plants (including mangrove plants and algae). Moreover, many terpenoids display various bioactivities, including cytotoxicity, antibacterial activity, lethal toxicity, anti-inflammatory activity, enzyme inhibitor activity, etc. In our opinion, the chemical diversity and biological activities of these novel terpenoids will provide medical and chemical researchers with a plenty variety of promising lead compounds for the development of marine drugs.
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Affiliation(s)
- Minghua Jiang
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China; (M.J.); (Z.W.); (H.G.); (L.L.)
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
| | - Zhenger Wu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China; (M.J.); (Z.W.); (H.G.); (L.L.)
| | - Heng Guo
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China; (M.J.); (Z.W.); (H.G.); (L.L.)
| | - Lan Liu
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China; (M.J.); (Z.W.); (H.G.); (L.L.)
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
- Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China
| | - Senhua Chen
- School of Marine Sciences, Sun Yat-sen University, Guangzhou 510006, China; (M.J.); (Z.W.); (H.G.); (L.L.)
- South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, Guangzhou 510006, China
- Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519000, China
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Fang ST, Wang YJ, Ma XY, Yin XL, Ji NY. Two new sesquiterpenoids from the marine-sediment-derived fungus Trichoderma harzianum P1-4. Nat Prod Res 2018; 33:3127-3133. [PMID: 30398362 DOI: 10.1080/14786419.2018.1522314] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Three cyclonerane sesquiterpenoids, including the known cyclonerodiol (1), together with its new derivatives, (10E)-12-acetoxy-10-cycloneren-3,7 -diol (2) and 12-acetoxycycloneran-3,7-diol (3) were isolated from the cultures of marine-sediment-derived fungus Trichoderma harzianum P1-4. The structures of the new compounds (2 and 3) were elucidated based on extensive spectroscopic methods (1D/2D NMR and HR-MS) and optical rotation analysis.
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Affiliation(s)
- Sheng-Tao Fang
- Chinese Academy of Sciences, Yantai Institute of Coastal Zone Research , Yantai , China
| | - Ying-Jie Wang
- Chinese Academy of Sciences, Yantai Institute of Coastal Zone Research , Yantai , China
| | - Xin-Yue Ma
- Chinese Academy of Sciences, Yantai Institute of Coastal Zone Research , Yantai , China
| | - Xiu-Li Yin
- Chinese Academy of Sciences, Yantai Institute of Coastal Zone Research , Yantai , China
| | - Nai-Yun Ji
- Chinese Academy of Sciences, Yantai Institute of Coastal Zone Research , Yantai , China
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Shen L, Tian SJ, Song HL, Chen X, Guo H, Wan D, Wang YR, Wang FW, Liu LJ. Cytotoxic Tricycloalternarene Compounds from Endophyte Alternaria sp. W-1 Associated with Laminaria japonica. Mar Drugs 2018; 16:E402. [PMID: 30360544 PMCID: PMC6267107 DOI: 10.3390/md16110402] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 10/17/2018] [Accepted: 10/18/2018] [Indexed: 12/22/2022] Open
Abstract
The chemical investigation of the culture filtrate of endophyte Alternaria sp. W-1 associated with Laminaria japonica provided a new tricycloalternarene compound, 2H-(2E)-tricycloalternarene 12a (1), together with five known analogs: (2E)-tricycloalternarene 12a (2), tricycloalternarene 3a (3), tricycloalternarene F (4), 15-hydroxyl tricycloalternarene 5b (5), and ACTG-Toxin D (6). In vitro cytotoxicity against the human hepatocellular carcinoma cell line SMMC-7721 and the human gastric carcinoma cell line SGC-7901 was evaluated by the MTT method. Compounds 1, 3, and 4 inhibited the growth of SMMC-7721 cells with IC50 values of 49.7 ± 1.1, 45.8 ± 4.6, and 80.3 ± 3.8 μg/mL, respectively, while the IC50 value of the positive control cisplatin was 6.5 ± 0.5 μg/mL. Compounds 3 and 6 also showed moderate anti-proliferation activity against SGC-7901 cells with IC50 values of 53.2 ± 2.9 and 35.1 ± 0.8 μg/mL, respectively, while the IC50 value of cisplatin was 4.5 ± 0.6 μg/mL. Further studies revealed that the in vitro anticancer activity of compound 3 to SMMC-7721 cells was related to G1 phase cell cycle arrest and cell apoptosis, and the induced apoptosis was involved in both the mitochondrial pathway and the death receptor pathway. This is the first report on the anticancer mechanism of tricycloalternarene compounds.
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Affiliation(s)
- Li Shen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
- Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou 225001, China.
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China.
| | - Shu-Juan Tian
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Hui-Liang Song
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
| | - Xi Chen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
| | - Hao Guo
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
| | - Dan Wan
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
| | - Yu-Rou Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou 225001, China.
| | - Feng-Wu Wang
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China.
| | - Li-Jun Liu
- Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops/Jiangsu Key Laboratory of Crop Genetics and Physiology, Yangzhou University, Yangzhou 225009, China.
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