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da Silva FMR, Paggi GM, Brust FR, Macedo AJ, Silva DB. Metabolomic Strategies to Improve Chemical Information from OSMAC Studies of Endophytic Fungi. Metabolites 2023; 13:metabo13020236. [PMID: 36837855 PMCID: PMC9961420 DOI: 10.3390/metabo13020236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 01/26/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023] Open
Abstract
Metabolomics strategies are important tools to get holistic chemical information from a system, but they are scarcely applied to endophytic fungi to understand their chemical profiles of biosynthesized metabolites. Here Penicillium sp. was cultured using One Strain Many Compounds (OSMAC) conditions as a model system to demonstrate how this strategy can help in understanding metabolic profiles and determining bioactive metabolites with the application of metabolomics and statistical analyses, as well as molecular networking. Penicillium sp. was fermented in different culture media and the crude extracts from mycelial biomass (CEm) and broth (CEb) were obtained, evaluated against bacterial strains (Staphylococcus aureus and Pseudomonas aeruginosa), and the metabolomic profiles by LC-DAD-MS were obtained and chemometrics statistical analyses were applied. The CEm and CEb extracts presented different chemical profiles and antibacterial activities; the highest activities observed were against S. aureus from CEm (MIC = 16, 64, and 128 µg/mL). The antibacterial properties from the extracts were impacted for culture media from which the strain was fermented. From the Volcano plot analysis, it was possible to determine statistically the most relevant features for the antibacterial activity, which were also confirmed from biplots of PCA as strong features for the bioactive extracts. These compounds included 75 (13-oxoverruculogen isomer), 78 (austalide P acid), 87 (austalide L or W), 88 (helvamide), 92 (viridicatumtoxin A), 96 (austalide P), 101 (dihydroaustalide K), 106 (austalide k), 110 (spirohexaline), and 112 (pre-viridicatumtoxin). Thus, these features included diketopiperazines, meroterpenoids, and polyketides, such as indole alkaloids, austalides, and viridicatumtoxin A, a rare tetracycline.
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Affiliation(s)
- Fernanda Motta Ribeiro da Silva
- Laboratory of Natural Products and Mass Spectrometry (LaPNEM), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Gecele Matos Paggi
- Laboratory of Ecology and Evolutionary Biology (LEBio), Institute of Biosciences, Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Flávia Roberta Brust
- Biofilms and Diversity Laboratory, Faculty of Pharmacy and Biotechnology Center, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | - Alexandre José Macedo
- Biofilms and Diversity Laboratory, Faculty of Pharmacy and Biotechnology Center, Federal University of Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | - Denise Brentan Silva
- Laboratory of Natural Products and Mass Spectrometry (LaPNEM), Federal University of Mato Grosso do Sul, Campo Grande 79070-900, Brazil
- Correspondence:
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2
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Qi X, Zhang X, Meng J, Wu J, Cheng W, Huang J, Lin W. Briarane-type diterpenoids, the inhibitors of osteoclast formation by interrupting Keap1-Nrf2 interaction and activating Nrf2 pathway. Eur J Med Chem 2023; 246:114948. [PMID: 36446206 DOI: 10.1016/j.ejmech.2022.114948] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 11/07/2022] [Accepted: 11/19/2022] [Indexed: 11/26/2022]
Abstract
Chemoinformatic and bioassay-guided fractionation of a gorgonian coral Junceella juncea resulted in the isolation of 45 briarane-type diterpenoids, of which 16 new analogues were characterized. Their structures were identified by extensive analyses of the spectroscopic data. Most isolated briaranes showed significant inhibition against the receptor activator of nuclear factor κB ligand (RANKL)-induced osteoclast differentiation in bone marrow-derived macrophages cells (BMMs). Praelolide, one of the active analogues, significantly activates nuclear factor erythroid-2-related factor 2 (Nrf2) nucleus translocation, induces the expression of Nrf2-targeted genes, suppresses reactive oxygen species (ROS) production, abrogates the activation of downstream mitogen-activated protein kinase (MAPK)/nuclear factor-κB (NFκB) signaling, and subsequently attenuates osteoclast differentiation. Mechanically, praelolide interacts with Kelch-like ECH-associated protein 1 (Keap1) protein by non-covalent interaction to interrupt the interaction between Keap1 and Nrf2 and thereby to activate the Nrf2 signaling pathway. In addition, praelolide rescues the bone loss in prednisone-induced zebrafish. The present study provided praelolide as a new natural scaffold to remedy osteoclastogenic bone disease.
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Affiliation(s)
- Xinyi Qi
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China
| | - Xu Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China
| | - Junjun Meng
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China
| | - Jingshuai Wu
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China
| | - Wei Cheng
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China
| | - Jian Huang
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China.
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, PR China; Institute of Ocean Research, Ningbo Institute of Marine Medicine, Peking University, Beijing, 100191, PR China.
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Complementary Strategies to Unlock Biosynthesis Gene Clusters Encoding Secondary Metabolites in the Filamentous Fungus Podospora anserina. J Fungi (Basel) 2022; 9:jof9010009. [PMID: 36675830 PMCID: PMC9864250 DOI: 10.3390/jof9010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
The coprophilous ascomycete Podospora anserina is known to have a high potential to synthesize a wide array of secondary metabolites (SMs). However, to date, the characterization of SMs in this species, as in other filamentous fungal species, is far less than expected by the functional prediction through genome mining, likely due to the inactivity of most SMs biosynthesis gene clusters (BGCs) under standard conditions. In this work, our main objective was to compare the global strategies usually used to deregulate SM gene clusters in P. anserina, including the variation of culture conditions and the modification of the chromatin state either by genetic manipulation or by chemical treatment, and to show the complementarity of the approaches between them. In this way, we showed that the metabolomics-driven comparative analysis unveils the unexpected diversity of metabolic changes in P. anserina and that the integrated strategies have a mutual complementary effect on the expression of the fungal metabolome. Then, our results demonstrate that metabolite production is significantly influenced by varied cultivation states and epigenetic modifications. We believe that the strategy described in this study will facilitate the discovery of fungal metabolites of interest and will improve the ability to prioritize the production of specific fungal SMs with an optimized treatment.
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Meng Q, Guo X, Wu J, Liu D, Gu Y, Huang J, Fan A, Lin W. Prenylated notoamide-type alkaloids isolated from the fungus Aspergillus sclerotiorum and their inhibition of NLRP3 inflammasome activation and antibacterial activities. PHYTOCHEMISTRY 2022; 203:113424. [PMID: 36063866 DOI: 10.1016/j.phytochem.2022.113424] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 06/15/2023]
Abstract
Notoamides are a family of prenylated indole alkaloids with unusual ring systems and possessing a range of significant pharmaceutical activities. Based on LC-MS/MS and genome orientations, ten undescribed notoamide-type alkaloids namely sclerotiamides I-R were isolated from a marine gorgonian-derived fungus Aspergillus sclerotiorum LZDX-33-4. Their structures were determined by extensive spectroscopic data, in association with ECD data and single-crystal X-ray diffraction for configurational assignments. Bioassays resulted in sclerotiamide J along with five analogs possessing inhibitory effects against LDH and IL-1β expression in BV-2 cells. Further investigation revealed that sclerotiamide J significantly inhibited NLRP3 inflammasome activation and blocked NLRP3 inflammasome-induced pyroptosis via amelioration of mitochondria damage. In addition, sclerotiamide L exhibited potent inhibition against pathogenic Staphylococcus aureus ATCC 29213 with MIC value of 4.0 μM and the growth of MRSA T144 and Enterococcus faecalis ATCC 29212. This study extends the chemical diversity of notoamide-type alkaloids, and provides potential anti-inflammasome and antibacterial lead compounds for further structure optimization.
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Affiliation(s)
- Qinyu Meng
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Xiang Guo
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Jingshuai Wu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Dong Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Yucheng Gu
- Syngenta, Jealott's Hill International Research Centre Bracknell, Berks, UK
| | - Jian Huang
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Aili Fan
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, PR China; Ningbo Institute of Marine Medicines, Peking University, Ningbo, 315832, PR China.
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5
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Combining OSMAC, metabolomic and genomic methods for the production and annotation of halogenated azaphilones and ilicicolins in termite symbiotic fungi. Sci Rep 2022; 12:17310. [PMID: 36243836 PMCID: PMC9569342 DOI: 10.1038/s41598-022-22256-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 10/12/2022] [Indexed: 01/10/2023] Open
Abstract
We gathered a collection of termite mutualistic strains from French Guiana to explore the metabolites of symbiotic microorganisms. Molecular networks reconstructed from a metabolomic analysis using LC-ESI-MS/MS methodology led us to identify two families of chlorinated polyketides, i.e., azaphilones from Penicillium sclerotiorum and ilicicolins from Neonectria discophora. To define the biosynthetic pathways related to these two types of scaffolds, we used a whole genome sequencing approach followed by hybrid assembly from short and long reads. We found two biosynthetic gene clusters, including two FAD-dependent halogenases. To exploit the enzymatic promiscuity of the two identified FAD halogenases, we sought to biosynthesize novel halogenated metabolites. An OSMAC strategy was used and resulted in the production of brominated analogs of ilicicolins and azaphilones as well as iodinated analogs of azaphilones.
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Zhang T, Cai G, Rong X, Wang Y, Gong K, Liu W, Wang L, Pang X, Yu L. A Combination of Genome Mining with an OSMAC Approach Facilitates the Discovery of and Contributions to the Biosynthesis of Melleolides from the Basidiomycete Armillaria tabescens. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12430-12441. [PMID: 36134616 DOI: 10.1021/acs.jafc.2c04079] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Genome mining revealed that the genomes of basidiomycetes may include a considerable number of biosynthetic gene clusters (BGCs), yet numerous clusters remain unidentified. Herein, we report a combination of genome mining with an OSMAC (one strain, many compounds) approach to characterize the spectrum of melleolides produced by Armillaria tabescens CPCC 401429. Using F1 fermentation medium, the metabolic pathway of the gene cluster mel was successfully upregulated. From the extracts of the wild-type strain, two new melleolides (1 and 2), along with five new orsellinic acid-derived lactams (10-14), were isolated, and their structures were elucidated by LC-HR-ESIMS/MS and 2D-NMR. Several melleolides exhibited moderate anti-carcinoma (A549, NCI-H520, and H1299) effects with IC50 values of 4.0-48.8 μM. RNA-sequencing based transcriptomic profiling broadened our knowledge of the genetic background, regulation, and mechanisms of melleolide biosynthesis. These results may promote downstream metabolic engineering studies of melleolides. Our study demonstrates the approach is effective for discovering new secondary metabolites from Armillaria sp. and will facilitate the mining of the unexploited biosynthetic potential in other basidiomycetes.
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Affiliation(s)
- Tao Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Guowei Cai
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong 256603, China
| | - Xiaoting Rong
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China
| | - Yuquan Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - KaiKai Gong
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong 256603, China
| | - Wancang Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Lu Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Xu Pang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Liyan Yu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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7
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Zhao M, Chen XC, Pan WC, Liu X, Tan SL, Cui H, Zhao ZX. Meroterpenoids from the fungus Penicillium sclerotiorum GZU-XW03-2 and their anti-inflammatory activity. PHYTOCHEMISTRY 2022; 202:113307. [PMID: 35792159 DOI: 10.1016/j.phytochem.2022.113307] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
Seven undescribed meroterpenoids, peniscmeroterpenoids A - G, were isolated from the marine-derived fungus Penicillium sclerotiorum GZU-XW03-2. Their structures were established by the spectroscopic methods and the electronic circular dichroism (ECD) calculations. Peniscmeroterpenoid A possessed an unprecedented and highly oxidized 6/7/6/5/5 pentacyclic system, featuring a unique tetrahydrofuro [2,3-b]furan-2(3H)-one motif. Peniscmeroterpenoids B - E owned rare 6(D)/5(E) fused rings were not common in natural products, and peniscmeroterpenoid E is the first example of a berkeleyone analogue stripped of the methyl ester fragment. In bioassays, peniscmeroterpenoids A and D inhibited the production of nitric oxide (NO) in RAW264.7 cells with IC50 values of 26.60 ± 1.15 and 8.79 ± 1.22 μM. Moreover, peniscmeroterpenoid D significantly suppressed the production of pro-inflammatory mediators (COX-2, IL-1β and IL-6) and the protein expression of the enzyme iNOS.
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Affiliation(s)
- Min Zhao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Xiao-Cong Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Wen-Cong Pan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xia Liu
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Shao-Li Tan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hui Cui
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Zhong-Xiang Zhao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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Zhang Y, Xia GY, Wu YZ, Wei XH, Xia H, Wang LY, Lin PC, Wang YN, Chen LX, Lin S. Two New Nor-seco-Isodhilarane-Type Meroterpenoids from the Endophytic Fungus Penicillium purpurogenum. Chem Biodivers 2022; 19:e202200403. [PMID: 35596060 DOI: 10.1002/cbdv.202200403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 05/20/2022] [Indexed: 12/26/2022]
Abstract
Two new nor-seco isodhilarane meroterpenoids (NSIMs), purpurogenolides F (1) and G (2), along with three known meroterpenoid analogs (3-5), were isolated from the cultures of an endophytic fungus, Penicillium purpurogenum. Structures and absolute configurations of the new NSIMs were determined based on extensive spectroscopic data analyses, including HR-ESI-MS, UV, IR, NMR chemical shift calculations together with DP4+ probability analysis, as well as ECD calculations. All the isolated meroterpenoids were assessed for their anti-inflammatory activities, and compound 4 exhibited moderate inhibitory activity against the nitric oxide (NO) production in lipopolysaccharide (LPS) induced RAW 264.7 cells with an IC50 value of 20.85±2.31 μM.
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Affiliation(s)
- Ying Zhang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Wuya college of innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.,Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Gui-Yang Xia
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Yu-Zhuo Wu
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Xiao-Hong Wei
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Huan Xia
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Ling-Yan Wang
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Peng-Cheng Lin
- Key Laboratory for Qinghai-Tibet Plateau Phytochemistry of Qinghai Province, College of Pharmaceutical, Qinghai Nationalities University, Xining, 810007, China
| | - Ya-Nan Wang
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Li-Xia Chen
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Wuya college of innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Sheng Lin
- Key Laboratory of Chinese internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
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Guo X, Meng Q, Liu J, Wu J, Jia H, Liu D, Gu Y, Liu J, Huang J, Fan A, Lin W. Sclerotiamides C-H, Notoamides from a Marine Gorgonian-Derived Fungus with Cytotoxic Activities. JOURNAL OF NATURAL PRODUCTS 2022; 85:1067-1078. [PMID: 35213164 DOI: 10.1021/acs.jnatprod.1c01194] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Bioassay-guided fractionation in association with LC-MS and NMR detection led to the isolation of six new alkaloids, sclerotiamides C-H (1-6), from the marine gorgonian-derived fungus Aspergillus sclerotiorum LZDX-33-4. Their structures were determined from extensive spectroscopic data, including ECD data and single-crystal X-ray diffraction analysis for configurational assignments. Sclerotiamides C (1) and D (2) are notoamide-type alkaloids with the incorporation of a unique 2,2-diaminopropane unit, and sclerotiamides E (3) and F (4) are unprecedented notoamide hybrids with a new coumarin unit. Sclerotiamide H (6) represents a new highly oxidized notoamide scaffold. Sclerotiamides C and F showed significant inhibition against a panel of tumor cell lines with IC50 values ranging from 1.6 to 7.9 μM. Sclerotiamide C induces apoptosis in HeLa cells by arresting the cell cycle, activating ROS production, and regulating apoptosis-related proteins in the MAPK signaling pathway. The present study extends the scaffold diversity of the notoamides and provides a potential lead for the development of a cytotoxic agent.
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Affiliation(s)
- Xiang Guo
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Qinyu Meng
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Jie Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Jingshuai Wu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Hongli Jia
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Dong Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Yucheng Gu
- Syngenta, Jealott's Hill International Research Centre Bracknell, Berks RG42 6EY, U.K
| | - Jianrong Liu
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Jian Huang
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Aili Fan
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
| | - Wenhan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, Institute of Ocean Research, Peking University, Beijing, 100191, People's Republic of China
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Wu YZ, Xia GY, Xia H, Wang LY, Wang YN, Li L, Shang HC, Lin S. Seco and Nor- seco Isodhilarane-Type Meroterpenoids from Penicillium purpurogenum and the Configuration Revisions of Related Compounds. JOURNAL OF NATURAL PRODUCTS 2022; 85:248-255. [PMID: 34978193 DOI: 10.1021/acs.jnatprod.1c01025] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Seco and nor-seco isodhilarane-type meroterpenoids (SIMs and NSIMs) are mainly found in Penicillium fungi and have been characterized by highly congested polycyclic skeletons and a broad range of bioactivities. However, the literature reports inconsistent configuration assignments for some SIMs and NSIMs, due to their complex polycyclic systems and multichiral centers. Herein, we described eight SIMs and NSIMs isolated from the EtOAc extract of Penicillium purpurogenum, which led to the configuration revisions of purpurogenolide C (1a), berkeleyacetal B (2a), chrysogenolide F (3a), and berkeleyacetal C (4a) as compounds 1-4, respectively. Furthermore, extensive re-evaluation of the experimental and computational 13C NMR chemical shifts of the reported 39 SIMs and NSIMs provided an empirical approach for determining the C-9 relative configuration, according to the 13C NMR chemical shifts of C-9, which contributed to the configuration revisions of another three SIMs (5a and 6a) and NSIMs (7a), denoted as compounds 5-7, respectively. Biological assays indicated that compound 3 exhibited cytotoxic activity against HepG2 and A549 cell lines with IC50 values of 5.58 and 6.80 μM, respectively. Compounds 2-4, 8, 9, and 32 showed moderate hepatoprotective activity at 10 μM in the APAP-induced HepG2 cell injury model.
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Affiliation(s)
- Yu-Zhuo Wu
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Gui-Yang Xia
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Huan Xia
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Ling-Yan Wang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Ya-Nan Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Li Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hong-Cai Shang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Sheng Lin
- Key Laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
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Huang ZH, Liang X, Li CJ, Gu Q, Ma X, Qi SH. Talaromynoids A-I, Highly Oxygenated Meroterpenoids from the Marine-Derived Fungus Talaromyces purpureogenus SCSIO 41517 and Their Lipid Accumulation Inhibitory Activities. JOURNAL OF NATURAL PRODUCTS 2021; 84:2727-2737. [PMID: 34596414 DOI: 10.1021/acs.jnatprod.1c00681] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Nine new highly oxygenated 3,5-dimethylorsellinic acid-derived meroterpenoids, talaromynoids A-I (1-9), were isolated from the marine-derived fungus Talaromyces purpureogenus SCSIO 41517. Their structures including absolute configurations were elucidated by HRMS, NMR, single-crystal X-ray diffraction analysis, and electronic circular dichroism calculations. Compounds 1 and 7-9 possessed unprecedented 5/7/6/5/6/6, 6/7/6/6/6/5, 6/7/6/5/6/5/4, and 7/6/5/6/5/4 polycyclic systems, respectively. Biologically, compound 5 showed selective inhibitory activity against phosphatase CDC25B with an IC50 value of 13 μM. Moreover, 7-9 and 12 exhibited the activity of reducing triglyceride in 3T3-L1 adipocytes in a dosage-dependent manner.
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Affiliation(s)
- Zhong-Hui Huang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Xiao Liang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Chan-Juan Li
- College of Agriculture & Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Qiong Gu
- Research Center for Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xuan Ma
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Shu-Hua Qi
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
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12
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Mo S, Yin J, Ye Z, Li F, Lin S, Zhang S, Yang B, Yao J, Wang J, Hu Z, Zhang Y. Asperanstinoids A-E: Undescribed 3,5-dimethylorsellinic acid-based meroterpenoids from Aspergillus calidoustus. PHYTOCHEMISTRY 2021; 190:112892. [PMID: 34343886 DOI: 10.1016/j.phytochem.2021.112892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Large-scale culture is a complementary and practical method for genome mining and OSMAC approaches to discover novel natural products through accumulation and reprocessing effects. By employing a large-scale culture approach, twelve 3,5-dimethylorsellinic acid (DMOA)-based meroterpenoids, including five undescribed compounds, namely asperanstinoids A-E, were obtained from fungus Aspergillus calidoustus, which was isolated from the wetland soil collected at Dianchi Lake, Yunnan Province. The structures and absolute configurations of asperanstinoids A-E were determined by various spectroscopic analyses, including NMR spectroscopy, high-resolution electrospray ionization mass spectrometry (HRESIMS), single-crystal X-ray diffraction, and electronic circular dichroism (ECD) calculations, and the absolute configurations of three known compounds, dehydroaustinol, austinol, and austin, were confirmed via single-crystal X-ray diffraction for the first time. Notably, asperanstinoid A represents the second example of a DMOA-based meroterpenoid featuring a unique 6/5/6/6/6/5-fused hexacyclic skeleton with a rare "1,13-epoxy" moiety. The cytotoxicity assay of all these isolates revealed that asperanstinoid D, dehydroaustinol, and austin displayed considerable cytotoxicity against the HL-60 and SU-DHL-4 tumor cell lines with IC50 values ranging from 15.7 to 27.8 μM.
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Affiliation(s)
- Shuyuan Mo
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jie Yin
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Zi Ye
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Fengli Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Shuang Lin
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Sitian Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Beiye Yang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jun Yao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China
| | - Jianping Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
| | - Zhengxi Hu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
| | - Yonghui Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
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13
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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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14
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Untargeted Metabolomics Approach for the Discovery of Environment-Related Pyran-2-ones Chemodiversity in a Marine-Sourced Penicillium restrictum. Mar Drugs 2021; 19:md19070378. [PMID: 34210084 PMCID: PMC8305465 DOI: 10.3390/md19070378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 11/17/2022] Open
Abstract
Very little is known about chemical interactions between fungi and their mollusc host within marine environments. Here, we investigated the metabolome of a Penicillium restrictum MMS417 strain isolated from the blue mussel Mytilus edulis collected on the Loire estuary, France. Following the OSMAC approach with the use of 14 culture media, the effect of salinity and of a mussel-derived medium on the metabolic expression were analysed using HPLC-UV/DAD-HRMS/MS. An untargeted metabolomics study was performed using principal component analysis (PCA), orthogonal projection to latent structure discriminant analysis (O-PLSDA) and molecular networking (MN). It highlighted some compounds belonging to sterols, macrolides and pyran-2-ones, which were specifically induced in marine conditions. In particular, a high chemical diversity of pyran-2-ones was found to be related to the presence of mussel extract in the culture medium. Mass spectrometry (MS)- and UV-guided purification resulted in the isolation of five new natural fungal pyran-2-one derivatives—5,6-dihydro-6S-hydroxymethyl-4-methoxy-2H-pyran-2-one (1), (6S, 1’R, 2’S)-LL-P880β (3), 5,6-dihydro-4-methoxy-6S-(1’S, 2’S-dihydroxy pent-3’(E)-enyl)-2H-pyran-2-one (4), 4-methoxy-6-(1’R, 2’S-dihydroxy pent-3’(E)-enyl)-2H-pyran-2-one (6) and 4-methoxy-2H-pyran-2-one (7)—together with the known (6S, 1’S, 2’S)-LL-P880β (2), (1’R, 2’S)-LL-P880γ (5), 5,6-dihydro-4-methoxy-2H-pyran-2-one (8), (6S, 1’S, 2’R)-LL-P880β (9), (6S, 1’S)-pestalotin (10), 1’R-dehydropestalotin (11) and 6-pentyl-4-methoxy-2H-pyran-2-one (12) from the mussel-derived culture medium extract. The structures of 1-12 were determined by 1D- and 2D-MMR experiments as well as high-resolution tandem MS, ECD and DP4 calculations. Some of these compounds were evaluated for their cytotoxic, antibacterial, antileishmanial and in-silico PTP1B inhibitory activities. These results illustrate the utility in using host-derived media for the discovery of new natural products.
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15
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Yu JY, Shi T, Zhou Y, Xu Y, Zhao DL, Wang CY. Naphthalene derivatives and halogenate quinoline from the coral-derived fungus Trichoderma harzianum (XS-20090075) through OSMAC approach. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2021; 23:250-257. [PMID: 32077325 DOI: 10.1080/10286020.2020.1729752] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/09/2020] [Accepted: 02/11/2020] [Indexed: 06/10/2023]
Abstract
OSMAC approach was performed on the soft coral-derived fungus Trichoderma harzianum (XS-20090075) leading to the significant changes of its secondary metabolites by using two different cultures. A new naphthalene derivative, trichoharzin B (1) and a new natural product, methyl-trichoharzin (2) were isolated by using rice medium. Whereas, a new natural product, ethyl 2-bromo-4-chloroquinoline-3-carboxylate (9) was obtained by using Czapek's medium. Their structures were established by extensive spectroscopic investigation. The absolute configuration of 5 was determined by single-crystal X-ray diffraction. Compound 9 was the first halogenate quinoline derivative isolated from the genus of Trichoderma.
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Affiliation(s)
- Jia-Yin Yu
- Key Laboratory of Marine Drugs, the Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Ting Shi
- Key Laboratory of Marine Drugs, the Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Yue Zhou
- Key Laboratory of Marine Drugs, the Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
| | - Ying Xu
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Shenzhen Engineering Laboratory for Marine Algal Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China
| | - Dong-Lin Zhao
- Marine Agriculture Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs, the Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
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16
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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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17
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Wang Q, Tang X, Dai P, Wang C, Zhang W, Chen G, Hong K, Hu D, Gao H, Yao X. A four-protein metabolon assembled by a small peptide protein creates the pentacyclic carbonate ring of aldgamycins. Acta Pharm Sin B 2021; 11:588-597. [PMID: 33643833 PMCID: PMC7893128 DOI: 10.1016/j.apsb.2020.07.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/13/2020] [Accepted: 07/20/2020] [Indexed: 10/28/2022] Open
Abstract
Organic carbonates (OCs) are a class of compounds featured by a carbonyl flanked by two alkoxy/aryloxy groups. They exist in either linear or cyclic forms, of which the majority encountered in nature adopt a pentacyclic structure. However, the enzymatic basis for pentacyclic carbonate ring formation remains elusive. Here, we reported that a four-protein metabolon (AlmUII-UV) assembled by a small peptide protein (AlmUV) appends a reactive N-hydroxylcarbamoyl moiety to the decarboxylated aldgamycins followed by a non-enzymatic condensation to give the pentacyclic carbonate ring. Our results have documented an unprecedent mechanism for carbonate formation.
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18
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Brites-Neto J, Maimone NM, Piedade SMDS, Andrino FG, Andrade PAMD, Baroni FDA, Gomes LH, Lira SPD. Scorpionicidal activity of secondary metabolites from Paecilomyces sp. CMAA1686 against Tityus serrulatus. J Invertebr Pathol 2021; 179:107541. [PMID: 33524339 DOI: 10.1016/j.jip.2021.107541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 01/18/2021] [Accepted: 01/23/2021] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Urban pests pose enormous risks to human health. Control initiatives are carried out in regions of high infestation and incidence of accidents caused by scorpions OBJECTIVE: In this study, we aimed to analyze the anti-scorpionic activity of fungal isolates obtained from a cemetery in Brazil. MATERIALS AND METHODS A total of thirteen fungi were subjected to a bioassay test against Tityus serrulatus, and the two isolates with the highest scorpionicidal activity were selected for molecular identification through sequencing of the ITS DNA hypervariable region and large-scale cultivation on liquid medium for secondary metabolite extraction. The crude extracts were partitioned by solid-phase extraction, and the resulting purified extracts were tested for anti-scorpionic activity. The extracts from one of the isolates presented better results and were submitted to UPLC-MS/MS. The metabolomics data were submitted to GNPS website for Molecular Networking and MASST searches. We also performed a MolNetEnhancer analysis to identify the chemical classes of the molecules found in the samples. RESULTS The most promising fungal isolate was identified as Paecilomyces sp. CMAA1686 which has 98% of similarity to Paecilomyces formosus. The sub-fractions C and D had the best activity against the scorpions (54 and 32% mortality, respectively). Molecular Networking and MolNetEnhancer revealed a range of molecular classes in our extracts that are known to include bioactive metabolites from Paecilomyces species. CONCLUSIONS The scorpionicidal activity of Paecilomyces sp. CMAA1686 and its secondary metabolites may provide new alternative compounds for biological and chemical control of scorpions from the species T. serrulatus. Paecilomyces sp. CMAA1686 is an isolate that has great potential for isolation of secondary metabolites.
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Affiliation(s)
- José Brites-Neto
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Naydja Moralles Maimone
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Sônia Maria De Stefano Piedade
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Felipe Gabriel Andrino
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Pedro Avelino Maia de Andrade
- Department of Soil Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Francisco de Assis Baroni
- Department of Microbiology and Veterinary Immunology, Federal Rural University of Rio de Janeiro, Seropédica, Rio de Janeiro, Brazil.
| | - Luiz Humberto Gomes
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
| | - Simone Possedente de Lira
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
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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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20
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Chemical Diversity and Biological Activities of Meroterpenoids from Marine Derived-Fungi: A Comprehensive Update. Mar Drugs 2020; 18:md18060317. [PMID: 32549331 PMCID: PMC7345968 DOI: 10.3390/md18060317] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 06/06/2020] [Accepted: 06/12/2020] [Indexed: 12/25/2022] Open
Abstract
Meroterpenoids are a class of hybrid natural products, partially derived from a mixed terpenoid pathway. They possess remarkable structural features and relevant biological and pharmacological activities. Marine-derived fungi are a rich source of meroterpenoids featuring structural diversity varying from simple to complex molecular architectures. A combination of a structural variability and their myriad of bioactivities makes meroterpenoids an interesting class of naturally occurring compounds for chemical and pharmacological investigation. In this review, a comprehensive literature survey covering the period of 2009–2019, with 86 references, is presented focusing on chemistry and biological activities of various classes of meroterpenoids isolated from fungi obtained from different marine hosts and environments.
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21
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Chen JJ, Wang SW, Chiang YR, Pang KL, Kuo YH, Shih TY, Lee TH. Highly Oxygenated Constituents from a Marine Alga-Derived Fungus Aspergillus giganteus NTU967. Mar Drugs 2020; 18:md18060303. [PMID: 32517237 PMCID: PMC7374281 DOI: 10.3390/md18060303] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/26/2020] [Accepted: 06/04/2020] [Indexed: 12/24/2022] Open
Abstract
Agar-based disc diffusion antimicrobial assay has shown that the ethyl acetate extract of the fermented broth of Aspergillusgiganteus NTU967 isolated from Ulva lactuca exhibited significant antimicrobial activity in our preliminary screening of bioactive fungal strains. Therefore, column chromatography of the active principles from liquid- and solid–state fermented products of the fungal strain was carried out, and which had led to isolation of eleven compounds. Their structures were determined by spectral analysis to be seven new highly oxygenated polyketides, namely aspergilsmins A–G (1–7), along with previously reported patulin, deoxytryptoquivaline, tryptoquivaline and quinadoline B. Among these, aspergilsmin C (3) and patulin displayed promising anticancer activities against human hepatocellular carcinoma SK-Hep-1 cells and prostate cancer PC-3 cells with IC50 values between 2.7–7.3 μM. Furthermore, aspergilsmin C (3) and patulin exhibited significant anti-angiogenic functions by impeding cell growth and tube formation of human endothelial progenitor cells without any cytotoxicity.
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Affiliation(s)
- Jih-Jung Chen
- Faculty of Pharmacy, School of Pharmaceutical Sciences, National Yang-Ming University, Taipei 11221, Taiwan;
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
| | - Shih-Wei Wang
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan;
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Yin-Ru Chiang
- Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan;
| | - Ka-Lai Pang
- Institute of Marine Biology and Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan;
| | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 40447, Taiwan;
- Department of Biotechnology, Asia University, Taichung 41354, Taiwan
- Chinese Medical Research Center, China Medical University, Taichung 40447, Taiwan
| | - Tsai-Yen Shih
- Institute of Fisheries Science, National Taiwan University, Taipei 10617, Taiwan;
| | - Tzong-Huei Lee
- Institute of Fisheries Science, National Taiwan University, Taipei 10617, Taiwan;
- Correspondence: ; Tel.: +886-2-3366-1828
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Fox Ramos AE, Evanno L, Poupon E, Champy P, Beniddir MA. Natural products targeting strategies involving molecular networking: different manners, one goal. Nat Prod Rep 2019; 36:960-980. [PMID: 31140509 DOI: 10.1039/c9np00006b] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: up to 2019Landmark advances in bioinformatics tools have recently enhanced the field of natural products research, putting today's natural product chemists in the enviable position of being able to perform the efficient targeting/discovery of previously undescribed molecules by expediting the prioritization of the isolation workflow. Among these advances, MS/MS molecular networking has appeared as a promising approach to dereplicate complex natural product mixtures, leading to a real revolution in the "art of natural product isolation" by accelerating the pace of research of this field. This review illustrates through selected cornerstone studies the new thinking in natural product isolation by drawing a parallel between the different underlying philosophies behind the use of molecular networking in targeting natural products.
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Affiliation(s)
- Alexander E Fox Ramos
- Équipe "Pharmacognosie-Chimie des Substances Naturelles", BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 5 rue J.-B. Clément, 92290, Châtenay-Malabry, France.
| | - Laurent Evanno
- Équipe "Pharmacognosie-Chimie des Substances Naturelles", BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 5 rue J.-B. Clément, 92290, Châtenay-Malabry, France.
| | - Erwan Poupon
- Équipe "Pharmacognosie-Chimie des Substances Naturelles", BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 5 rue J.-B. Clément, 92290, Châtenay-Malabry, France.
| | - Pierre Champy
- Équipe "Pharmacognosie-Chimie des Substances Naturelles", BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 5 rue J.-B. Clément, 92290, Châtenay-Malabry, France.
| | - Mehdi A Beniddir
- Équipe "Pharmacognosie-Chimie des Substances Naturelles", BioCIS, Univ. Paris-Sud, CNRS, Université Paris-Saclay, 5 rue J.-B. Clément, 92290, Châtenay-Malabry, France.
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23
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Tabudravu JN, Pellissier L, Smith AJ, Subko K, Autréau C, Feussner K, Hardy D, Butler D, Kidd R, Milton EJ, Deng H, Ebel R, Salonna M, Gissi C, Montesanto F, Kelly SM, Milne BF, Cimpan G, Jaspars M. LC-HRMS-Database Screening Metrics for Rapid Prioritization of Samples to Accelerate the Discovery of Structurally New Natural Products. JOURNAL OF NATURAL PRODUCTS 2019; 82:211-220. [PMID: 30735391 DOI: 10.1021/acs.jnatprod.8b00575] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In order to accelerate the isolation and characterization of structurally new or novel secondary metabolites, it is crucial to develop efficient strategies that prioritize samples with greatest promise early in the workflow so that resources can be utilized in a more efficient and cost-effective manner. We have developed a metrics-based prioritization approach using exact LC-HRMS, which uses data for 24 618 marine natural products held in the PharmaSea database. Each sample was evaluated and allocated a metric score by a software algorithm based on the ratio of new masses over the total (sample novelty), ratio of known masses over the total (chemical novelty), number of peaks above a defined peak area threshold (sample complexity), and peak area (sample diversity). Samples were then ranked and prioritized based on these metric scores. To validate the approach, eight marine sponges and six tunicate samples collected from the Fiji Islands were analyzed, metric scores calculated, and samples targeted for isolation and characterization of new compounds. Structures of new compounds were elucidated by spectroscopic techniques, including 1D and 2D NMR, MS, and MS/MS. Structures were confirmed by computer-assisted structure elucidation methods (CASE) using the ACD/Structure Elucidator Suite.
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Affiliation(s)
- Jioji N Tabudravu
- School of Forensic and Applied Sciences, Faculty of Science & Technology , University of Central Lancashire , Preston , Lancashire PR1 2HE , U.K
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Léonie Pellissier
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Alan James Smith
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Karolina Subko
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Caroline Autréau
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Klaus Feussner
- Institute of Applied Sciences, Faculty of Science, Technology and Environment , University of the South Pacific , Laucala Campus, Private Mail Bag, Suva , Fiji Islands
| | - David Hardy
- Thermo Fisher Scientific , Altrincham Business Park, 1 St George's Court , Altrincham WA14 5TP , U.K
| | - Daniel Butler
- Advanced Chemistry Development , UK Ltd. Venture House, Arlington Square, Downshire Way, Bracknell, Berks RG12 1WA , U.K
| | - Richard Kidd
- Publisher, Data & Databases , Royal Society of Chemistry , Thomas Graham House, Science Park, Milton Road , Cambridge CB4 0WF , U.K
| | - Edward J Milton
- Advanced Chemistry Development , UK Ltd. Venture House, Arlington Square, Downshire Way, Bracknell, Berks RG12 1WA , U.K
| | - Hai Deng
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Rainer Ebel
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
| | - Marika Salonna
- Department of Biosciences, Biotechnologies and Biopharmaceutics , University of Bari "A. Moro" , Via Orabona 4 , 70125 Bari , Italy
| | - Carmela Gissi
- Department of Biosciences, Biotechnologies and Biopharmaceutics , University of Bari "A. Moro" , Via Orabona 4 , 70125 Bari , Italy
- IBIOM, Istituto di Biomembrane, Bioenergetica e Biotecnologie Molecolari, CNR , Via Amendola 165/A , 70126 Bari , Italy
| | - Federica Montesanto
- Department of Biology - LRU CoNISMa , University of Bari , Via Orabona 4 , 70125 Bari , Italy
| | - Sharon M Kelly
- Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences , University of Glasgow , Glasgow G128QQ , U.K
| | - Bruce F Milne
- CFisUC, Department of Physics , University of Coimbra , Rua Larga, 3004-516 , Coimbra , Portugal
| | - Gabriela Cimpan
- Advanced Chemistry Development , UK Ltd. Venture House, Arlington Square, Downshire Way, Bracknell, Berks RG12 1WA , U.K
| | - Marcel Jaspars
- Marine Biodiscovery Centre, Department of Chemistry , University of Aberdeen , Aberdeen AB24 3UE , Scotland, U.K
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