1
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Souto LFL, Borges RM, da Costa RG, Dos Santos RIL, da Silva AJR. Dereplication of calystegines in food plants and wild Solanum Brazilian fruits. Food Chem 2024; 446:138808. [PMID: 38408398 DOI: 10.1016/j.foodchem.2024.138808] [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: 11/22/2023] [Revised: 01/29/2024] [Accepted: 02/18/2024] [Indexed: 02/28/2024]
Abstract
Calystegines are potent glycosidase inhibitors with therapeutic potential and are constituents of food and feed with potential toxic effects. This study aims to target calystegines and other nitrogenous substances in food plants. Hydroalcoholic extracts from Solanum tuberosum, Ipomoea batatas, S. lycocarpum, and fruit from S. lycopersicum, S. aethiopicum, S. paniculatum, S. crinitum, and S. acanthodes were analyzed by liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) using an acidic HILIC column. The dereplication approach included data processing using MZMine2, FBMN-GNPS, and structure elucidation and interpretation of the organized data. The calystegines A3, A5, B2, and C1 were identified, and several potential new calystegine analogues: three may correspond to new calystegines of the A-group, one glycosyl derivative of calystegine A3, and two glycosyl derivatives of the B-group. These findings help to direct the search for new calystegines. In addition, the dereplication approach enabled the annotation of 22 other nitrogen compounds.
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Affiliation(s)
- Luís Fernando L Souto
- Instituto de Educação, Ciência e Tecnologia de Rondônia, Campus Porto Velho Calama, Porto Velho, RO, Brazil.
| | - Ricardo Moreira Borges
- Instituto de Pesquisas de Produtos Naturais Walter Mors, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | | | - Antônio Jorge Ribeiro da Silva
- Instituto de Pesquisas de Produtos Naturais Walter Mors, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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2
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Chang S, Li Y, Huang X, He N, Wang M, Wang J, Luo M, Li Y, Xie Y. Bioactivity-Based Molecular Networking-Guided Isolation of Epicolidines A-C from the Endophytic Fungus Epicoccum sp. 1-042. JOURNAL OF NATURAL PRODUCTS 2024. [PMID: 38785214 DOI: 10.1021/acs.jnatprod.4c00214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Bioactivity-based molecular networking-guided fractionation enabled the isolation of three new polycyclic tetramic acids bearing cis-decalin, epicolidines A-C (1-3), along with one known compound, PF 1052 (4), from the endophytic fungus Epicoccum sp. 1-042 collected in Tibet, China. Their structures were assigned on the basis of extensive spectroscopic data, partial hydrolysis, advanced Marfey's method, quantum chemistry calculations, and X-ray diffraction analysis. Compounds 2-4 displayed promising activities against Gram-positive bacteria in vitro. Particularly, compound 4 displayed remarkable potential against vancomycin-resistant Enterococcus faecium (VRE) with an MIC value of 0.25 μg/mL, lower than the MIC (0.5 μg/mL) of the antibiotic combination quinupristin/dalfopristin (Q/D). In a further in vivo study, compound 4 increased the survival rate to 100% in the VRE-G. mellonella infection model at a concentration of 10 mg/kg.
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Affiliation(s)
- Shanshan Chang
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Yihong Li
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Xinyue Huang
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Ning He
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Mengyuan Wang
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Jiahan Wang
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Mengna Luo
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Yan Li
- NHC Key Laboratory of Biotechnology of Antibiotics, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
| | - Yunying Xie
- CAMS Key Laboratory of Synthetic Biology for Drug Innovation, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tiantan xili No. 1, Beijing 100050, People's Republic of China
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3
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Quiros-Guerrero LM, Marcourt L, Chaiwangrach N, Koval A, Ferreira Queiroz E, David B, Grondin A, Katanaev VL, Wolfender JL. Integration of Wnt-inhibitory activity and structural novelty scoring results to uncover novel bioactive natural products: new Bicyclo[3.3.1]non-3-ene-2,9-diones from the leaves of Hymenocardia punctata. Front Chem 2024; 12:1371982. [PMID: 38638877 PMCID: PMC11024435 DOI: 10.3389/fchem.2024.1371982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/14/2024] [Indexed: 04/20/2024] Open
Abstract
In natural products (NPs) research, methods for the efficient prioritization of natural extracts (NEs) are key for discovering novel bioactive NPs. In this study a biodiverse collection of 1,600 NEs, previously analyzed by UHPLC-HRMS2 metabolite profiling was screened for Wnt pathway regulation. The results of the biological screening drove the selection of a subset of 30 non-toxic NEs with an inhibitory IC50 ≤ 5 μg/mL. To increase the chance of finding structurally novel bioactive NPs, Inventa, a computational tool for automated scoring of NEs based on structural novelty was used to mine the HRMS2 analysis and dereplication results. After this, four out of the 30 bioactive NEs were shortlisted by this approach. The most promising sample was the ethyl acetate extract of the leaves of Hymenocardia punctata (Phyllanthaceae). Further phytochemical investigations of this species resulted in the isolation of three known prenylated flavones (3, 5, 7) and ten novel bicyclo[3.3.1]non-3-ene-2,9-diones (1, 2, 4, 6, 8-13), named Hymenotamayonins. Assessment of the Wnt inhibitory activity of these compounds revealed that two prenylated flavones and three novel bicyclic compounds showed interesting activity without apparent cytotoxicity. This study highlights the potential of combining Inventa's structural novelty scores with biological screening results to effectively discover novel bioactive NPs in large NE collections.
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Affiliation(s)
- Luis-Manuel Quiros-Guerrero
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
| | - Laurence Marcourt
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
| | - Nathareen Chaiwangrach
- Centre of Excellence in Cannabis Research, Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok, Thailand
| | - Alexey Koval
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, Geneva, Switzerland
| | - Emerson Ferreira Queiroz
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
| | - Bruno David
- Green Mission Department, Herbal Products Laboratory, Pierre Fabre Research Institute, Toulouse, France
| | - Antonio Grondin
- Green Mission Department, Herbal Products Laboratory, Pierre Fabre Research Institute, Toulouse, France
| | - Vladimir L. Katanaev
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, Geneva, Switzerland
- School of Medicine and Life Sciences, Far Eastern Federal University, Vladivostok, Russia
| | - Jean-Luc Wolfender
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
- School of Pharmaceutical Sciences, University of Geneva, Centre Médical Universitaire, Geneva, Switzerland
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4
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Gerometta E, Garayev E, Herbette G, Marvilliers A, Di Giorgio C, Clerc P, Frederich M, Baghdikian B, Grondin I, Gauvin-Bialecki A. Chemical and biological investigation of Indigofera ammoxylum (DC.) Polhill. red and white phenotypes through feature-based molecular networking. PHYTOCHEMISTRY 2024; 220:114005. [PMID: 38309451 DOI: 10.1016/j.phytochem.2024.114005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
Chemical investigation of ethyl acetate bark extracts of Indigofera ammoxylum red and white phenotypes led to the bio-guided isolation of four previously undescribed flavonoids, named (2S,3R)-3',7-dihydroxy-4',6-dimethoxyflavanol (1), (2S,3R)-6-methoxy-7-hydroxyflavanol (2), 2',3',7-trihydroxy-4',6-dimethoxyisoflavone (7) and 2',5' -dimethoxy-4',5,7-trihydroxyisoflavanone (8), along with 14 known compounds (3-6 and 9-18). The previously undescribed structures were characterized based on NMR, HRESIMS, UV and IR data. Published spectroscopic data were used to deduce the structure of the known compounds. Eleven of the 18 isolated metabolites were evaluated for anti-inflammatory activity and cytotoxic activity against human liver carcinoma cells and human colon and colorectal adenocarcinoma cells. All tested compounds showed an anti-inflammatory activity (IC50 NO < 25 μg/mL), and compounds 2 and 3 were more selective than the positive control dexamethasone. Afromorsin (6) showed promising cytotoxic properties against both cancer cell lines (IC50 18.9 and 11.4 μg/mL). Feature-based molecular networking approach applied to bark and leaves extracts of the two phenotypes allowed to detect bioactive analogues, belonging to the families of flavones, isoflavones, flavanones, flavanols and flavonols, and to explore the chemodiversity of the species. The red and white phenotypes have a similar composition, whereas bark and leaves contain specific chemical entities. Finally, this approach highlighted a cluster of potentially bioactive and undescribed metabolites.
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Affiliation(s)
- Elise Gerometta
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, St Denis, La Réunion, France.
| | - Elnur Garayev
- Aix Marseille Université, Avignon Université, CNRS, IRD, IMBE, Marseille, France, Faculty of Pharmacy, Service of Pharmacognosy, Marseille, France.
| | - Gaëtan Herbette
- Aix-Marseille Université, CNRS, Centrale Marseille, FSCM, Spectropole, Campus de St Jérôme - Service 511, Marseille, France.
| | - Arnaud Marvilliers
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, St Denis, La Réunion, France.
| | - Carole Di Giorgio
- Aix-Marseille Université, Avignon Université, CNRS, IRD, IMBE, Marseille, France, Faculty of Pharmacy, Service of Environmental Mutagenesis, Marseille, France.
| | - Patricia Clerc
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, St Denis, La Réunion, France.
| | - Michel Frederich
- Université de Liège, Département de Pharmacie, Centre Interfacultaire de Recherche sur le Médicament (CIRM), Laboratoire de Pharmacognosie, Campus Du Sart-Tilman, Quartier Hôpital, Liège, Belgium.
| | - Béatrice Baghdikian
- Aix Marseille Université, Avignon Université, CNRS, IRD, IMBE, Marseille, France, Faculty of Pharmacy, Service of Pharmacognosy, Marseille, France.
| | - Isabelle Grondin
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, St Denis, La Réunion, France.
| | - Anne Gauvin-Bialecki
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, St Denis, La Réunion, France.
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5
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An JP, Wang Y, Munger SD, Tang X. A review on natural sweeteners, sweet taste modulators and bitter masking compounds: structure-activity strategies for the discovery of novel taste molecules. Crit Rev Food Sci Nutr 2024:1-24. [PMID: 38494695 DOI: 10.1080/10408398.2024.2326012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Growing demand for the tasty and healthy food has driven the development of low-calorie sweeteners, sweet taste modulators, and bitter masking compounds originated from natural sources. With the discovery of human taste receptors, increasing numbers of sweet taste modulators have been identified through human taste response and molecular docking techniques. However, the discovery of novel taste-active molecules in nature can be accelerated by using advanced spectrometry technologies based on structure-activity relationships (SARs). SARs explain why structurally similar compounds can elicit similar taste qualities. Given the characterization of structural information from reported data, strategies employing SAR techniques to find structurally similar compounds become an innovative approach to expand knowledge of sweeteners. This review aims to summarize the structural patterns of known natural non-nutritive sweeteners, sweet taste enhancers, and bitter masking compounds. Innovative SAR-based approaches to explore sweetener derivatives are also discussed. Most sweet-tasting flavonoids belong to either the flavanonols or the dihydrochalcones and known bitter masking molecules are flavanones. Based on SAR findings that structural similarities are related to the sensory properties, innovative methodologies described in this paper can be applied to screen and discover the derivatives of taste-active compounds or potential taste modulators.
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Affiliation(s)
- Jin-Pyo An
- Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
| | - Yu Wang
- Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
| | - Steven D Munger
- Center for Smell and Taste, Department of Pharmacology and Therapeutics, Department of Otolaryngology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Xixuan Tang
- Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, FL, USA
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6
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Brealey JC, Kodama M, Rasmussen JA, Hansen SB, Santos-Bay L, Lecaudey LA, Hansen M, Fjære E, Myrmel LS, Madsen L, Bernhard A, Sveier H, Kristiansen K, Gilbert MTP, Martin MD, Limborg MT. Host-gut microbiota interactions shape parasite infections in farmed Atlantic salmon. mSystems 2024; 9:e0104323. [PMID: 38294254 PMCID: PMC10886447 DOI: 10.1128/msystems.01043-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 12/19/2023] [Indexed: 02/01/2024] Open
Abstract
Animals and their associated microbiota share long evolutionary histories. However, it is not always clear how host genotype and microbiota interact to affect phenotype. We applied a hologenomic approach to explore how host-microbiota interactions shape lifetime growth and parasite infection in farmed Atlantic salmon (Salmo salar). Multi-omics data sets were generated from the guts of 460 salmon, 82% of which were naturally infected with an intestinal cestode. A single Mycoplasma bacterial strain, MAG01, dominated the gut metagenome of large, non-parasitized fish, consistent with previous studies showing high levels of Mycoplasma in the gut microbiota of healthy salmon. While small and/or parasitized salmon also had high abundance of MAG01, we observed increased alpha diversity in these individuals, driven by increased frequency of low-abundance Vibrionaceae and other Mycoplasma species that carried known virulence genes. Colonization by one of these cestode-associated Mycoplasma strains was associated with host individual genomic variation in long non-coding RNAs. Integrating the multi-omic data sets revealed coordinated changes in the salmon gut mRNA transcriptome and metabolome that correlated with shifts in the microbiota of smaller, parasitized fish. Our results suggest that the gut microbiota of small and/or parasitized fish is in a state of dysbiosis that partly depends on the host genotype, highlighting the value of using a hologenomic approach to incorporate the microbiota into the study of host-parasite dynamics.IMPORTANCEStudying host-microbiota interactions through the perspective of the hologenome is gaining interest across all life sciences. Intestinal parasite infections are a huge burden on human and animal health; however, there are few studies investigating the role of the hologenome during parasite infections. We address this gap in the largest multi-omics fish microbiota study to date using natural cestode infection of farmed Atlantic salmon. We find a clear association between cestode infection, salmon lifetime growth, and perturbation of the salmon gut microbiota. Furthermore, we provide the first evidence that the genetic background of the host may partly determine how the gut microbiota changes during parasite-associated dysbiosis. Our study therefore highlights the value of a hologenomic approach for gaining a more in-depth understanding of parasitism.
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Affiliation(s)
- Jaelle C Brealey
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Miyako Kodama
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
| | - Jacob A Rasmussen
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
- Department of Biology, Laboratory of Genomics and Molecular Biomedicine, University of Copenhagen, Copenhagen, Denmark
| | - Søren B Hansen
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
| | - Luisa Santos-Bay
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
| | - Laurène A Lecaudey
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Aquaculture Department, SINTEF Ocean, Trondheim, Norway
| | - Martin Hansen
- Department of Environmental Science, Environmental Metabolomics Lab, Aarhus University, Roskilde, Denmark
| | - Even Fjære
- Institute of Marine Research, Bergen, Norway
| | | | - Lise Madsen
- Institute of Marine Research, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Norway, Bergen, Norway
| | | | | | - Karsten Kristiansen
- Department of Biology, Laboratory of Genomics and Molecular Biomedicine, University of Copenhagen, Copenhagen, Denmark
| | - M Thomas P Gilbert
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
| | - Michael D Martin
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Morten T Limborg
- Center for Evolutionary Hologenomics, Globe Institute, Faculty of Health and Medical Sciences,University of Copenhagen, Copenhagen, Denmark
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7
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Bauermeister A, Furtado LC, Ferreira EG, Moreira EA, Jimenez PC, Lopes NP, Araújo WL, Olchanheski LR, Monteiro da Cruz Lotufo T, Costa-Lotufo LV. Chemical and microbial diversity of a tropical intertidal ascidian holobiont. MARINE ENVIRONMENTAL RESEARCH 2024; 194:106303. [PMID: 38150785 DOI: 10.1016/j.marenvres.2023.106303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/29/2023]
Abstract
The tropical ascidian Eudistoma vannamei, endemic to the northeastern coast of Brazil, is considered a prolific source of secondary metabolites and hosts Actinomycetota that produce bioactive compounds. Herein, we used an omics approach to study the ascidian as a holobiont, including the microbial diversity through 16S rRNA gene sequencing and metabolite production using mass spectrometry-based metabolomics. Gene sequencing analysis revealed all samples of E. vannamei shared about 50% of the observed ASVs, and Pseudomonadota (50.7%), Planctomycetota (9.58%), Actinomycetota (10.34%), Bacteroidota (12.05%) were the most abundant bacterial phyla. Analysis of tandem mass spectrometry (MS/MS) data allowed annotation of compounds, including phospholipids, amino acids, and pyrimidine alkaloids, such as staurosporine, a member of a well-known chemical class recognized as a microbial metabolite. Isolated bacteria, mainly belonging to Streptomyces and Micromonospora genera, were cultivated and extracted with ethyl acetate. MS/MS analysis of bacterial extracts allowed annotation of compounds not detected in the ascidian tissue, including marineosin and dihydroergotamine, yielding about 30% overlapped ions between host and isolated bacteria. This study reveals E. vannamei as a rich source of microbial and chemical diversity and, furthermore, highlights the importance of omic tools for a comprehensive investigation of holobiont systems.
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Affiliation(s)
- Anelize Bauermeister
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil; Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Luciana Costa Furtado
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil
| | - Elthon G Ferreira
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, CE, 60451-970, Brazil
| | - Eduarda Antunes Moreira
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | | | - Norberto Peporine Lopes
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, 14040-903, Brazil
| | - Welington Luiz Araújo
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, 05508-900, Brazil
| | - Luiz Ricardo Olchanheski
- Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, 05508-900, Brazil
| | | | - Leticia Veras Costa-Lotufo
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, SP, 05508-000, Brazil.
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8
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Shen XJ, Zhang JQ, An YL, Yang L, Li XL, Hu YS, Sha F, Yao CL, Bi QR, Qu H, Guo DA. MATLAB language assisted data acquisition and processing in liquid chromatography Orbitrap mass spectrometry: Application to the identification and differentiation of Radix Bupleuri from its adulterants. J Chromatogr A 2024; 1714:464544. [PMID: 38142618 DOI: 10.1016/j.chroma.2023.464544] [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: 10/10/2023] [Revised: 11/20/2023] [Accepted: 11/27/2023] [Indexed: 12/26/2023]
Abstract
Comprehensive and rapid analysis of secondary metabolites like saponins remains challenging. This study aimed to establish a semi-automated workflow for filtration, identification, and characterization of saikosaponins in six Bupleurum species. Radix Bupleuri, a high-sales herbal medicine, is often adulterated, restricting its quality control and applications. Two authentic Radix Bupleuri species and four major adulterants were analyzed through UHPLC-LTQ-Orbitrap-MS for targeted saikosaponin analysis. To reveal trace saikosaponins and obtain quality fragment data, a MATLAB-based process automatically enumerating "sugar chain + aglycone + side chain" combinations and deduplicating generated a predicted saikosaponin database covering all possible saikosaponins as a precursor ion list for comprehensive targeted acquisition. To focus on informative ions and reduce MS analysis workload, we utilized MATLAB to automatically filtrate the false positive ions by MS1 and MS2 spectrometry. The newly established MATLAB-assisted data acquisition approach exhibited 50 % improvement in characterization of targeted saikosaponins. Furthermore, positive and negative ionization workflows were designed for accurate saikosaponins characterization based on fragmentation rules. In total, 707 saikosaponins were characterized, including over 500 potential new compounds and previously unreported C29 aglycones. We identified 25 saikosaponins present in both authentic species but absent in adulterants as potential markers. This unprecedented comprehensive multi-origin species differentiation demonstrates the promise of MATLAB-assisted acquisition and processing to advance saponin identification and standardize the Radix Bupleuri market.
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Affiliation(s)
- Xuan-Jing Shen
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Jian-Qing Zhang
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Ya-Ling An
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Lin Yang
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Xiao-Lan Li
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Yun-Shu Hu
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Fei Sha
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Chang-Liang Yao
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Qi-Rui Bi
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - Hua Qu
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China
| | - De-An Guo
- National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Haike Road #501, Shanghai 201203, China; Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China.
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9
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Singh P, Yadav R, Verma M, Chhabra R. Analysis of the Inhibitory Effect of hsa-miR-145-5p and hsa-miR-203a-5p on Imatinib-Resistant K562 Cells by GC/MS Metabolomics Method. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:2117-2126. [PMID: 37706267 DOI: 10.1021/jasms.3c00103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Imatinib (IM) resistance is considered to be a significant challenge in the management of chronic myeloid leukemia (CML). Previous studies have reported that hsa-miR-145-5p and hsa-miR-203a-5p can overcome IM resistance and hsa-miR-203a-5p can alter glutathione metabolism in IM-resistant cells. The purpose of this study was to examine whether hsa-miR-145-5p or hsa-miR-203a-5p counters IM resistance by targeting the overall metabolic profile of IM-resistant K562 cells. The metablic profiling of cell lysates obtained from IM-sensitive, IM-resistant, and miR-transfected IM-resistant K562 cells was carried out using the GC-MS technique. Overall, 75 major metabolites were detected, of which 32 were present in all samples. The pathway analysis of MetaboAnalyst 5.0 revealed that the majorly enriched pathways included glucose metabolism, fatty acid biosynthesis, lipogenesis, and nucleotide metabolism. Eleven of identified metabolites, l-glutamine, l-glutamic acid, l-lactic acid, phosphoric acid, 9,12-octadecadienoic acid, 9-octadecenoic acid, myristic acid, palmitic acid, cholesterol, and β-alanine, appeared in enriched pathways. IM-resistant cells had comparatively higher concentrations of all of these metabolites. Notably, the introduction of hsa-miR-145-5p or hsa-miR-203a-5p into resistant cells resulted in a decrease in levels of these metabolites. The efficacy of miR-203a-5p was particularly remarkable in comparison with miR-145-5p, as evidenced by partial least-squares-discriminant analysis (PLS-DA), which showed a high level of similarity in metabolic profile between IM-sensitive K562 cells and IM-resistant cells transfected with hsa-miR-203a-5p. The results indicate that GC-MS-based metabolic profiling has the potential to distinguish between drug-resistant and -sensitive cells. This approach can also be used to routinely monitor therapeutic response in drug-resistant patients, thus, enabling personalized therapy.
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Affiliation(s)
- Priyanka Singh
- Department of Biochemistry, School of Basic Sciences, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Radheshyam Yadav
- Department of Biochemistry, School of Basic Sciences, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Malkhey Verma
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh 221005, India
| | - Ravindresh Chhabra
- Department of Biochemistry, School of Basic Sciences, Central University of Punjab, Ghudda, Bathinda 151401, India
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10
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Smith E, Lewis A, Narine SS, Emery RJN. Unlocking Potentially Therapeutic Phytochemicals in Capadulla ( Doliocarpus dentatus) from Guyana Using Untargeted Mass Spectrometry-Based Metabolomics. Metabolites 2023; 13:1050. [PMID: 37887375 PMCID: PMC10608729 DOI: 10.3390/metabo13101050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/22/2023] [Accepted: 09/28/2023] [Indexed: 10/28/2023] Open
Abstract
Doliocarpus dentatus is thought to have a wide variety of therapeutic phytochemicals that allegedly improve libido and cure impotence. Although a few biomarkers have been identified with potential antinociceptive and cytotoxic properties, an untargeted mass spectrometry-based metabolomics approach has never been undertaken to identify therapeutic biofingerprints for conditions, such as erectile dysfunction, in men. This study executes a preliminary phytochemical screening of the woody vine of two ecotypes of D. dentatus with renowned differences in therapeutic potential for erectile dysfunction. Liquid chromatography-mass spectrometry-based metabolomics was used to screen for flavonoids, terpenoids, and other chemical classes found to contrast between red and white ecotypes. Among the metabolite chemodiversity found in the ecotype screens, using a combination of GNPS, MS-DIAL, and SIRIUS, approximately 847 compounds were annotated at levels 2 to 4, with the majority of compounds falling under lipid and lipid-like molecules, benzenoids and phenylpropanoids, and polyketides, indicative of the contributions of the flavonoid, shikimic acid, and terpenoid biosynthesis pathways. Despite the extensive annotation, we report on 138 tentative compound identifications of potentially therapeutic compounds, with 55 selected compounds at a level-2 annotation, and 22 statistically significant therapeutic biomarkers, the majority of which were polyphenols. Epicatechin methyl gallate, catechin gallate, and proanthocyanidin A2 had the greatest significant differences and were also relatively abundant among the red and white ecotypes. These putatively identified compounds reportedly act as antioxidants, neutralizing damaging free radicals, and lowering cell oxidative stress, thus aiding in potentially preventing cellular damage and promoting overall well-being, especially for treating erectile dysfunction (ED).
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Affiliation(s)
- Ewart Smith
- Environmental and Life Sciences Graduate Program, Trent University, Peterborough, ON K9J 0G2, Canada
| | - Ainsely Lewis
- Department of Biology, Trent University, Peterborough, ON K9J 0G2, Canada
| | - Suresh S. Narine
- Trent Centre for Biomaterials Research, Trent University, Peterborough, ON K9J 0G2, Canada
- Departments of Physics & Astronomy and Chemistry, Trent University, Peterborough, ON K9J 0G2, Canada
| | - R. J. Neil Emery
- Department of Biology, Trent University, Peterborough, ON K9J 0G2, Canada
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11
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Hammerle F, Quirós-Guerrero L, Wolfender JL, Peintner U, Siewert B. Highlighting the Phototherapeutical Potential of Fungal Pigments in Various Fruiting Body Extracts with Informed Feature-Based Molecular Networking. MICROBIAL ECOLOGY 2023; 86:1972-1992. [PMID: 36947169 PMCID: PMC10497435 DOI: 10.1007/s00248-023-02200-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Fungal pigments are characterized by a diverse set of chemical backbones, some of which present photosensitizer-like structures. From the genus Cortinarius, for example, several biologically active photosensitizers have been identified leading to the hypothesis that photoactivity might be a more general phenomenon in the kingdom Fungi. This paper aims at testing the hypothesis. Forty-eight fruiting body-forming species producing pigments from all four major biosynthetic pathways (i.e., shikimate-chorismate, acetate-malonate, mevalonate, and nitrogen heterocycles) were selected and submitted to a workflow combining in vitro chemical and biological experiments with state-of-the-art metabolomics. Fungal extracts were profiled by high-resolution mass spectrometry and subsequently explored by spectral organization through feature-based molecular networking (FBMN), including advanced metabolite dereplication techniques. Additionally, the photochemical properties (i.e., light-dependent production of singlet oxygen), the phenolic content, and the (photo)cytotoxic activity of the extracts were studied. Different levels of photoactivity were found in species from all four metabolic groups, indicating that light-dependent effects are common among fungal pigments. In particular, extracts containing pigments from the acetate-malonate pathway, e.g., extracts from Bulgaria inquinans, Daldinia concentrica, and Cortinarius spp., were not only efficient producers of singlet oxygen but also exhibited photocytotoxicity against three different cancer cell lines. This study explores the distribution of photobiological traits in fruiting body forming fungi and highlights new sources for phototherapeutics.
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Affiliation(s)
- Fabian Hammerle
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), University Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria
| | - Luis Quirós-Guerrero
- Phytochemistry and Bioactive Natural Products, School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU, 1211, Geneva, Switzerland
| | - Jean-Luc Wolfender
- Phytochemistry and Bioactive Natural Products, School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU, 1211, Geneva, Switzerland
| | - Ursula Peintner
- Department of Microbiology, University Innsbruck, Technikerstrasse 25d, 6020, Innsbruck, Austria
| | - Bianka Siewert
- Institute of Pharmacy/Pharmacognosy, Center for Molecular Biosciences Innsbruck (CMBI), University Innsbruck, Innrain 80/82, 6020, Innsbruck, Austria.
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12
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Kim J, He MT, Hur JS, Lee JW, Kang KB, Kang KS, Shim SH. Discovery of Naphthol Tetramers from Endolichenic Fungus Daldinia childiae 047219 Based on MS/MS Molecular Networking. JOURNAL OF NATURAL PRODUCTS 2023; 86:2031-2038. [PMID: 37589086 DOI: 10.1021/acs.jnatprod.3c00468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Feature-based molecular networking analysis suggested the presence of naphthol tetramers in Daldinia childae 047219, the same species but a different strain from one used previously for the discovery of naphthol trimers promoting adiponectin synthesis. The new tetramers were composed of 5-methoxy-4-naphthol, each of which was connected to one another in various positions. Targeted isolation afforded six previously unreported naphthol tetramers (1-6) together with 13 known polyketides (7-19) including naphthol monomers, dimers, and trimers. Structures of the isolated compounds were established by using NMR and mass spectroscopic analysis. Nodulisporin A (13), nodulisporin B (14), and 1,1',3',3″-ternaphthalene-5,5',5″-trimethoxy-4,4',4″-triol (16) demonstrated anti-inflammatory activities against NO production, but the new compounds were less active.
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Affiliation(s)
- Jaekyeong Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Mei Tong He
- College of Korean Medicine, Gachon University, Seongnam 13120, Korea
| | - Jae-Seoun Hur
- Korean Lichen Research Institute, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Jin Woo Lee
- College of Pharmacy, Duksung Women's University, Seoul 01369, Republic of Korea
| | - Kyo Bin Kang
- College of Pharmacy and Drug Information Research Institute, Sookmyung Women's University, Seoul 04310, Republic of Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam 13120, Korea
| | - Sang Hee Shim
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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13
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Wang XC, Ma XL, Liu JN, Zhang Y, Zhang JN, Ma MH, Ma FL, Yu YJ, She Y. A comparison of feature extraction capabilities of advanced UHPLC-HRMS data analysis tools in plant metabolomics. Anal Chim Acta 2023; 1254:341127. [PMID: 37005031 DOI: 10.1016/j.aca.2023.341127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/15/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023]
Abstract
Data analysis of ultrahigh performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) is an essential and time-consuming step in plant metabolomics and feature extraction is the fundamental step for current tools. Various methods lead to different feature extraction results in practical applications, which may puzzle users for selecting adequate data analysis tools to deal with collected data. In this work, we provide a comprehensive method evaluation for some advanced UHPLC-HRMS data analysis tools in plant metabolomics, including MS-DIAL, XCMS, MZmine, AntDAS, Progenesis QI, and Compound Discoverer. Both mixtures of standards and various complex plant matrices were specifically designed for evaluating the performances of the involved method in analyzing both targeted and untargeted metabolomics. Results indicated that AntDAS provide the most acceptable feature extraction, compound identification, and quantification results in targeted compound analysis. Concerning the complex plant dataset, both MS-DIAL and AntDAS can provide more reliable results than the others. The method comparison is maybe useful for the selection of suitable data analysis tools for users.
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Affiliation(s)
- Xing-Cai Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Xing-Ling Ma
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Jia-Nan Liu
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Yang Zhang
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Jia-Ni Zhang
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Meng-Han Ma
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Feng-Lian Ma
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China
| | - Yong-Jie Yu
- College of Pharmacy, Ningxia Medical University, Yinchuan, 750004, China.
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310032, China.
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14
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Gerometta E, Herbette G, Garayev E, Marvilliers A, Naubron JV, Di Giorgio C, Campos PE, Clerc P, Ledoux A, Frederich M, Baghdikian B, Grondin I, Gauvin-Bialecki A. Cytotoxic Metabolites from Calophyllum tacamahaca Willd.: Isolation and Detection through Feature-Based Molecular Networking. Metabolites 2023; 13:metabo13050582. [PMID: 37233623 DOI: 10.3390/metabo13050582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/27/2023] Open
Abstract
Isocaloteysmannic acid (1), a new chromanone, was isolated from the leaf extract of the medicinal species Calophyllum tacamahaca Willd. along with 13 known metabolites belonging to the families of biflavonoids (2), xanthones (3-5, 10), coumarins (6-8) and triterpenes (9, 11-14). The structure of the new compound was characterized based on nuclear magnetic resonance (NMR), high-resolution electrospray mass spectrometry (HRESIMS), ultraviolet (UV) and infrared (IR) data. Its absolute configuration was assigned through electronic circular dichroism (ECD) measurements. Compound (1) showed a moderate cytotoxicity against HepG2 and HT29 cell lines, with IC50 values of 19.65 and 25.68 µg/mL, respectively, according to the Red Dye method. Compounds 7, 8 and 10-13 exhibited a potent cytotoxic activity, with IC50 values ranging from 2.44 to 15.38 µg/mL, against one or both cell lines. A feature-based molecular networking (FBMN) approach led to the detection of a large amount of xanthones in the leaves extract, and particularly analogues of the cytotoxic isolated xanthone pyranojacareubin (10).
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Affiliation(s)
- Elise Gerometta
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
| | - Gaëtan Herbette
- Spectropole, FSCM, Centrale Marseille, CNRS, Aix-Marseille Université, Campus de St Jérôme-Service 511, 13397 Marseille, France
| | - Elnur Garayev
- IMBE, CNRS, IRD, Aix Marseille Université, Faculté de Pharmacie, Service de Pharmacognosie, 13331 Marseille, France
| | - Arnaud Marvilliers
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
| | - Jean-Valère Naubron
- Spectropole, FSCM, Centrale Marseille, CNRS, Aix-Marseille Université, Campus de St Jérôme-Service 511, 13397 Marseille, France
| | - Carole Di Giorgio
- IMBE, CNRS, IRD, Aix-Marseille Université, Faculté de Pharmacie, Service de Mutagénèse Environnementale, 13385 Marseille, France
| | - Pierre-Eric Campos
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
- Institut de Chimie Organique et Analytique, UMR 6759, Université d'Orléans-CNRS, Pôle de Chimie, Rue de Chartres, BP6759, CEDEX 2, 45067 Orléans, France
| | - Patricia Clerc
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
| | - Allison Ledoux
- Laboratoire de Pharmacognosie, Centre Interfacultaire de Recherche sur le Médicament (CIRM), Université de Liège, Département de Pharmacie, Campus du Sart-Tilman, Quartier Hôpital, B-4000 Liège, Belgium
| | - Michel Frederich
- Laboratoire de Pharmacognosie, Centre Interfacultaire de Recherche sur le Médicament (CIRM), Université de Liège, Département de Pharmacie, Campus du Sart-Tilman, Quartier Hôpital, B-4000 Liège, Belgium
| | - Béatrice Baghdikian
- IMBE, CNRS, IRD, Aix Marseille Université, Faculté de Pharmacie, Service de Pharmacognosie, 13331 Marseille, France
| | - Isabelle Grondin
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
| | - Anne Gauvin-Bialecki
- Laboratoire de Chimie et de Biotechnologie des Produits Naturels, Faculté des Sciences et Technologies, Université de La Réunion, Campus du Moufia, 97744 St Denis, France
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15
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Clerissi C, Chaïb S, Raviglione D, Espiau B, Bertrand C, Meyer JY. Metabarcoding and Metabolomics Reveal the Effect of the Invasive Alien Tree Miconia calvescens DC. on Soil Diversity on the Tropical Island of Mo'orea (French Polynesia). Microorganisms 2023; 11:microorganisms11040832. [PMID: 37110253 PMCID: PMC10144827 DOI: 10.3390/microorganisms11040832] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/10/2023] [Accepted: 03/16/2023] [Indexed: 04/29/2023] Open
Abstract
Miconia calvescens is a dominant invasive alien tree species that threatens several endemic plants in French Polynesia (South Pacific). While most analyses have been performed at the scale of plant communities, the effects on the rhizosphere have not been described so far. However, this compartment can be involved in plant fitness through inhibitory activities, nutritive exchanges, and communication with other organisms. In particular, it was not known whether M. calvescens forms specific associations with soil organisms or has a specific chemical composition of secondary metabolites. To tackle these issues, the rhizosphere of six plant species was sampled on the tropical island of Mo'orea in French Polynesia at both the seedling and tree stages. The diversity of soil organisms (bacteria, microeukaryotes, and metazoa) and of secondary metabolites was studied using high-throughput technologies (metabarcoding and metabolomics, respectively). We found that trees had higher effects on soil diversity than seedlings. Moreover, M. calvescens showed a specific association with microeukaryotes of the Cryptomycota family at the tree stage. This family was positively correlated with the terpenoids found in the soil. Many terpenoids were also found within the roots of M. calvescens, suggesting that these molecules were probably produced by the plant and favored the presence of Cryptomycota. Both terpenoids and Cryptomycota were thus specific chemicals and biomarkers of M. calvescens. Additional studies must be performed in the future to better understand if they contribute to the success of this invasive tree.
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Affiliation(s)
- Camille Clerissi
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Slimane Chaïb
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Delphine Raviglione
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Benoit Espiau
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, B.P. 1013, 98729 Papetoai, Mo'orea, France
| | - Cédric Bertrand
- PSL Université Paris: EPHE-UPVD-CNRS, UAR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, Cedex, 66860 Perpignan, France
| | - Jean-Yves Meyer
- Délégation à la Recherche, B.P. 20981, 98713 Papeete, Tahiti, France
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16
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Decoding Metabolic Reprogramming in Plants under Pathogen Attacks, a Comprehensive Review of Emerging Metabolomics Technologies to Maximize Their Applications. Metabolites 2023; 13:metabo13030424. [PMID: 36984864 PMCID: PMC10055942 DOI: 10.3390/metabo13030424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/01/2023] [Accepted: 03/09/2023] [Indexed: 03/15/2023] Open
Abstract
In their environment, plants interact with a multitude of living organisms and have to cope with a large variety of aggressions of biotic or abiotic origin. What has been known for several decades is that the extraordinary variety of chemical compounds the plants are capable of synthesizing may be estimated in the range of hundreds of thousands, but only a fraction has been fully characterized to be implicated in defense responses. Despite the vast importance of these metabolites for plants and also for human health, our knowledge about their biosynthetic pathways and functions is still fragmentary. Recent progress has been made particularly for the phenylpropanoids and oxylipids metabolism, which is more emphasized in this review. With an increasing interest in monitoring plant metabolic reprogramming, the development of advanced analysis methods should now follow. This review capitalizes on the advanced technologies used in metabolome mapping in planta, including different metabolomics approaches, imaging, flux analysis, and interpretation using bioinformatics tools. Advantages and limitations with regards to the application of each technique towards monitoring which metabolite class or type are highlighted, with special emphasis on the necessary future developments to better mirror such intricate metabolic interactions in planta.
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17
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Li Y, Shao Y, Zhu Y, Chen A, Qu J, Gao Y, Lu S, Luo P, Mao X. Temperature-dependent mycotoxins production investigation in Alternaria infected cherry by ultra-high performance liquid chromatography and Orbitrap high resolution mass spectrometry. Int J Food Microbiol 2023; 388:110070. [PMID: 36610234 DOI: 10.1016/j.ijfoodmicro.2022.110070] [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: 04/08/2022] [Revised: 12/12/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023]
Abstract
For temperature-dependent Alternaria mycotoxins production analysis, cherry samples were inoculated with Alternaria sp. and incubated at two different temperatures (4 °C and 25 °C). Six Alternaria mycotoxins, including altenuene (ALT), alternariol monomethyl ether (AME), alternariol (AOH), altertoxin-I (ATX-I), tenuazonic acid (TeA), and tentoxin (TEN), in cherries were detected with integrated visible data-processing tools. Maximum concentration of these mycotoxins reached 71,862.2 μg/kg at 25 °C. Notably, considerable amount of TeA (290.4 μg/kg) was detected at 4 °C, which indicated that low temperature is not a safe storage condition for fruits. A total of 102 compounds were detected with a neutral loss of 162.0528 Da, and TeA-glucose was identified in this work. Based on MS/MS cosine similarity, products were verified and annotated with feature based molecular networking (FBMN) in global natural products social networking (GNPS). The results showed Alternaria mycotoxins in cherry samples were mainly demethylation, hydrogenation, and dehydration. This work revealed the production of Alternaria mycotoxins in cherries under different storage temperature, which will provide theoretical basis for the control of mycotoxin contamination in food commodities.
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Affiliation(s)
- Yanshen Li
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Ying Shao
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Ya'ning Zhu
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Anqi Chen
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Jingyao Qu
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Yonglin Gao
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Sunan Lu
- Yantai University, Yantai, Shandong Province 264005, PR China
| | - Pengjie Luo
- NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Science Research Unit (2019RU014), China National Center for Food Safety Risk Assessment, Beijing 100017, PR China
| | - Xin Mao
- Yantai University, Yantai, Shandong Province 264005, PR China.
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18
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Using an integrated feature-based molecular network and lipidomics approach to reveal the differential lipids in yak shanks and flanks. Food Chem 2023; 403:134352. [DOI: 10.1016/j.foodchem.2022.134352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 11/20/2022]
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19
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Feng Z, Chen J, Chen C, Feng L, Wang R, Zhu J, Lou R, Liu J, Ye Y, Lin L. Bioactivity-based molecular networking-guided identification of guttiferone J from Garcinia cambogia as an anti-obesity candidate. Br J Pharmacol 2023; 180:589-608. [PMID: 36321884 DOI: 10.1111/bph.15979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 10/03/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND AND PURPOSE Pharmacological intervention to induce browning of white adipose tissue provides a promising anti-obesity therapy. The fruits of Garcinia cambogia (Clusiaceae) have been widely applied to manage body weight; however, the chemical principles remain unclear. The current study aims to discover browning inducers from the fruits of G. cambogia and investigate the underlying mechanisms. EXPERIMENTAL APPROACH The bioactivity-based molecular networking and Oil Red O staining on 3T3-L1 and C3H10T1/2 adipocytes were applied for guided isolation. High-fat diet-induced obese mice were recruited to evaluate the anti-obesity activity. KEY RESULTS The bioactivity-based molecular networking-guided isolation yielded several polycyclic polyprenylated acylphloroglucinols from the fruits of G. cambogia with lipid-lowering effect in adipocytes, including guttiferone J (GOJ), garcinol and 14-deoxygarcinol. As the most potent one, GOJ (10 μM) reduced lipid accumulation by 70% and 76% in 3T3-L1 and C3H10T1/2 adipocytes, respectively. Furthermore, GOJ (2.5-10 μM) increased the expression of the deacetylase sirtuin 3 (SIRT3) and activated it, which, in turn, reduced the acetylation level of PPARγ coactivator-1α to boost mitochondrial biogenesis and promoted uncoupling protein 1 expression to enhance thermogenesis, resulting in browning of adipocytes. In high-fat diet-induced-obese mice, GOJ (10 and 20 mg·kg-1 ·day-1 for 12 weeks) protected against adiposity, hyperlipidaemia, insulin resistance and liver lipotoxicity, through boosting SIRT3-mediated browning of inguinal adipose tissue. CONCLUSION AND IMPLICATIONS GOJ represents a new scaffold of thermogenic inducer, which is responsible for the anti-obesity property of G. cambogia and can be further developed as a candidate for treating obesity and its related disorders.
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Affiliation(s)
- Zheling Feng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jiali Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Cheng Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Lu Feng
- State Key Laboratory of Drug Research and Natural Products Chemistry Department, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Rui Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jianzhong Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Ruohan Lou
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jia Liu
- State Key Laboratory of Drug Research and Natural Products Chemistry Department, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Yang Ye
- State Key Laboratory of Drug Research and Natural Products Chemistry Department, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Ligen Lin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.,Department of Pharmaceutical Sciences and Technology, Faculty of Health Sciences, University of Macau, Macau, China
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20
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Hebra T, Eparvier V, Touboul D. Nitrogen Enriched Solid-State Cultivation for the Overproduction of Azaphilone Red Pigments by Penicillium sclerotiorum SNB-CN111. J Fungi (Basel) 2023; 9:jof9020156. [PMID: 36836271 PMCID: PMC9958536 DOI: 10.3390/jof9020156] [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: 12/30/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/27/2023] Open
Abstract
Azaphilones are microbial specialized metabolites employed as yellow, orange, red or purple pigments. In particular, yellow azaphilones react spontaneously with functionalized nitrogen groups, leading to red azaphilones. In this study, a new two-step solid-state cultivation process to produce specific red azaphilones pigments was implemented, and their chemical diversity was explored based on liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) and a molecular network. This two-step procedure first implies a cellophane membrane allowing accumulating yellow and orange azaphilones from a Penicillium sclerotiorum SNB-CN111 strain, and second involves the incorporation of the desired functionalized nitrogen by shifting the culture medium. The potential of this solid-state cultivation method was finally demonstrated by overproducing an azaphilone with a propargylamine side chain, representing 16% of the metabolic crude extract mass.
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Affiliation(s)
- Téo Hebra
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Véronique Eparvier
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
- Correspondence: (V.E.); (D.T.)
| | - David Touboul
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
- LCM, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91120 Palaiseau, France
- Correspondence: (V.E.); (D.T.)
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21
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Scarpato S, Teta R, De Cicco P, Borrelli F, Pawlik JR, Costantino V, Mangoni A. Molecular Networking Revealed Unique UV-Absorbing Phospholipids: Favilipids from the Marine Sponge Clathria faviformis. Mar Drugs 2023; 21:md21020058. [PMID: 36827099 PMCID: PMC9965855 DOI: 10.3390/md21020058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/13/2023] [Accepted: 01/14/2023] [Indexed: 01/21/2023] Open
Abstract
Analysis of extracts of the marine sponge Clathria faviformis by high-resolution LC-MS2 and molecular networking resulted in the discovery of a new family of potentially UV-protecting phospholipids, the favilipids. One of them, favilipid A (1), was isolated and its structure determined by mass and tandem mass spectrometry, NMR, electronic circular dichroism (ECD), and computational studies. Favilipid A, which has no close analogues among natural products, possesses an unprecedented structure characterized by a 4-aminodihydropiridinium core, resulting in UV-absorbing properties that are very unusual for a phospholipid. Consequently, favilipid A could inspire the development of a new class of molecules to be used as sunscreen ingredients. In addition, favilipid A inhibited by 58-48% three kinases (JAK3, IKKβ, and SYK) involved in the regulation of the immune system, suggesting a potential use for treatment of autoimmune diseases, hematologic cancers, and other inflammatory states.
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Affiliation(s)
- Silvia Scarpato
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | - Roberta Teta
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | - Paola De Cicco
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
- Dipartimento di Medicina Veterinaria e Produzioni Animali, Università degli Studi di Napoli Federico II, Via F. Delpino, 80137 Napoli, Italy
| | - Francesca Borrelli
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | - Joseph R. Pawlik
- Department of Biology and Marine Biology and Center for Marine Science, University of North Carolina Wilmington, 5600 Marvin K Moss Lane, Wilmington, NC 28409, USA
| | - Valeria Costantino
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
| | - Alfonso Mangoni
- Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, Via Domenico Montesano 49, 80131 Napoli, Italy
- Correspondence:
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22
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Wang XC, Zhang JN, Zhao JJ, Guo XM, Li SF, Zheng QX, Liu PP, Lu P, Fu HY, Yu YJ, She Y. AntDAS-DDA: A New Platform for Data-Dependent Acquisition Mode-Based Untargeted Metabolomic Profiling Analysis with Advantage of Recognizing Insource Fragment Ions to Improve Compound Identification. Anal Chem 2023; 95:638-649. [PMID: 36599407 DOI: 10.1021/acs.analchem.2c01795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Data-dependent acquisition (DDA) mode in ultra-high-performance liquid chromatography-high-resolution mass spectrometry (UHPLC-HRMS) can provide massive amounts of MS1 and MS/MS information of compounds in untargeted metabolomics and can thus facilitate compound identification greatly. In this work, we developed a new platform called AntDAS-DDA for the automatic processing of UHPLC-HRMS data sets acquired under the DDA mode. Several algorithms, including extracted ion chromatogram extraction, feature extraction, MS/MS spectrum construction, fragment ion identification, and MS1 spectrum construction, were developed within the platform. The performance of AntDAS-DDA was investigated comprehensively with a mixture of standard and complex plant data sets. Results suggested that features in complex sample matrices can be extracted effectively, and the constructed MS1 and MS/MS spectra can benefit in compound identification greatly. The efficiency of compound identification can be improved by about 20%. AntDAS-DDA can take full advantage of MS/MS information in multiple sample analyses and provide more MS/MS spectra than single sample analysis. A comparison with advanced data analysis tools indicated that AntDAS-DDA may be used as an alternative for routine UHPLC-HRMS-based untargeted metabolomics. AntDAS-DDA is freely available at http://www.pmdb.org.cn/antdasdda.
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Affiliation(s)
- Xing-Cai Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Jia-Ni Zhang
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Juan-Juan Zhao
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Xiao-Meng Guo
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Shu-Fang Li
- Institute of Quality Standard and Testing Technology for Agro-products, Henan Academy of Agricultural Science, Zhengzhou 450002, China
| | - Qing-Xia Zheng
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Ping-Ping Liu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Peng Lu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Hai-Yan Fu
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Yong-Jie Yu
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China
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23
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LC-MS/MS-Based Metabolomic Profiling of Constituents from Glochidion velutinum and Its Activity against Cancer Cell Lines. Molecules 2022; 27:molecules27249012. [PMID: 36558144 PMCID: PMC9781485 DOI: 10.3390/molecules27249012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/14/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
This study aimed to establish the phytochemical profile of Glochidion velutinum and its cytotoxic activity against prostate cancer (PC-3) and breast cancer (MCF-7) cell lines. The phytochemical composition of G. velutinum leaf extract and its fractions was established with the help of total phenolic and flavonoid contents and LC-MS/MS-based metabolomics analysis. The crude methanolic extract and its fractions were studied for pharmacological activity against PC-3 and MCF-7 cell lines using the MTT assay. The total phenolic content of the crude extract and its fractions ranged from 44 to 859 µg GAE/mg of sample whereas total flavonoid contents ranged from 20 to 315 µg QE/mg of sample. A total of forty-eight compounds were tentatively dereplicated in the extract and its fractions. These phytochemicals included benzoic acid derivatives, flavans, flavones, O-methylated flavonoids, flavonoid O- and C-glycosides, pyranocoumarins, hydrolysable tannins, carbohydrate conjugates, fatty acids, coumarin glycosides, monoterpenoids, diterpenoids, and terpene glycosides. The crude extract (IC50 = 89 µg/mL), the chloroform fraction (IC50 = 27 µg/mL), and the water fraction (IC50 = 36 µg/mL) were found to be active against the PC-3 cell line. However, the crude extract (IC50 = 431 µg/mL), the chloroform fraction (IC50 = 222 µg/mL), and the ethyl acetate fraction (IC50 = 226 µg/mL) have shown prominent activity against breast cancer cells. Moreover, G. velutinum extract and its fractions presented negligible toxicity to normal macrophages at the maximum tested dose (600 µg/mL). Among the compounds identified through LC-MS/MS-based metabolomics analysis, epigallocatechin gallate, ellagic acid, isovitexin, and rutin were reported to have anticancer activity against both prostate and breast cancer cell lines and might be responsible for the cytotoxic activities of G. velutinum extract and its bioactive fractions.
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24
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Metabolomic Profiling of the Responses of Planktonic and Biofilm Vibrio cholerae to Silver Nanoparticles. Antibiotics (Basel) 2022; 11:antibiotics11111534. [DOI: 10.3390/antibiotics11111534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/27/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
Vibrio cholerae causes cholera and can switch between planktonic and biofilm lifeforms, where biofilm formation enhances transmission, virulence, and antibiotic resistance. Due to antibiotic microbial resistance, new antimicrobials including silver nanoparticles (AgNPs) are being studied. Nevertheless, little is known about the metabolic changes exerted by AgNPs on both microbial lifeforms. Our objective was to evaluate the changes in the metabolomic profile of V. cholerae planktonic and biofilm cells in response to sublethal concentrations of AgNPs using MS2 untargeted metabolomics and chemoinformatics. A total of 690 metabolites were quantified among all groups. More metabolites were significantly modulated in planktonic cells (n = 71) compared to biofilm (n = 37) by the treatment. The chemical class profiles were distinct for both planktonic and biofilm, suggesting a phenotype-dependent metabolic response to the nanoparticles. Chemical enrichment analysis showed altered abundances of oxidized fatty acids (FA), saturated FA, phosphatidic acids, and saturated stearic acid in planktonic cells treated with AgNPs, which hints at a turnover of the membrane. In contrast, no chemical classes were enriched in the biofilm. In conclusion, this study suggests that the response of V. cholerae to silver nanoparticles is phenotype-dependent and that planktonic cells experience a lipid remodeling process, possibly related to an adaptive mechanism involving the cell membrane.
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25
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Melo MNDO, Ochioni AC, Zancan P, Oliveira AP, Grazi M, Garrett R, Holandino C, Baumgartner S. Viscum album mother tinctures: Harvest conditions and host trees influence the plant metabolome and the glycolytic pathway of breast cancer cells. Front Pharmacol 2022; 13:1027931. [PMID: 36386174 PMCID: PMC9662615 DOI: 10.3389/fphar.2022.1027931] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/30/2022] [Indexed: 07/30/2023] Open
Abstract
Viscum album is a semi-parasitic plant used for over one hundred years in complementary cancer therapy. The main commercial drugs used in cancer patients' treatment are derived from the aqueous V. album extracts, whose cytotoxic potential is mostly attributed to the aqueous soluble antitumoral metabolites. On the counterpart, ethanol solvents must be used to obtain V. album mother tinctures. This methodology permits better solubilization of phenolic compounds, among others, which present antitumoral bioactivity. Recently, the metabolomics approach revealed the influence of the host tree on the V. album subspecies differentiation. To increase the scientific information about the chemical differences related to the host trees and to clarify the seasonal influences, in this study, the metabolome of 50 V. album mother tinctures from three subspecies (abietis, album, austriacum) and five host trees (Malus domestica, Quercus sp., Ulmus carpinifolia, Pinus sylvestris, Abies alba) was evaluated using summer and winter plant harvests. The in vitro cytotoxic activities were investigated in breast cancer cells (MDA-MB-231) and immortalized normal human keratinocytes (HaCaT). The summer V. album mother tinctures presented higher cytotoxic activity than winter ones. Among the summer samples, those prepared with V. album subsp. album were more cytotoxic than V. album subsp. abietis and subsp. V. album subsp. austriacum. The V. album harvested from Quercus petraea and Abies alba inhibited the key-glycolytic enzymes: hexokinase (HK), phosphofructokinase (PFK), pyruvate kinase (PK). This activity was related to a reduction in glucose uptake and lactate production, which were host-tree-time-dose-dependent. The untargeted metabolomic approach was able to discriminate the mother tinctures according to respective botanical classes and harvest season. A total of 188 metabolites were annotated under positive and negative modes. Fourteen compounds were responsible for the samples differentiation, and, to the best of our knowledge, eight were described in the Viscum album species for the first time. Our study shows the interruption of the Warburg effect as a novel antitumoral mechanism triggered by V. album mother tinctures, which is related to their metabolite profile. These results bring scientific evidence that encourages the use of V. album mother tinctures as a natural product for cancer therapy.
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Affiliation(s)
- Michelle Nonato de Oliveira Melo
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federaldo Rio de Janeiro, Rio de Janeiro, Brazil
- Metabolomics Laboratory, Chemistry Institute, Universidade Federaldo Rio de Janeiro, Rio de Janeiro,Brazil
| | - Alan Clavelland Ochioni
- Laboratório de Oncobiologia Molecular (LabOMol), Faculty of Pharmacy, Universidade Federaldo Rio de Janeiro, Rio de Janeiro, Brazil
| | - Patricia Zancan
- Laboratório de Oncobiologia Molecular (LabOMol), Faculty of Pharmacy, Universidade Federaldo Rio de Janeiro, Rio de Janeiro, Brazil
| | - Adriana Passos Oliveira
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federaldo Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mirio Grazi
- Hiscia Institute, Society for Cancer Research, Arlesheim, Switzerland
| | - Rafael Garrett
- Metabolomics Laboratory, Chemistry Institute, Universidade Federaldo Rio de Janeiro, Rio de Janeiro,Brazil
| | - Carla Holandino
- Multidisciplinary Laboratory of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federaldo Rio de Janeiro, Rio de Janeiro, Brazil
- Hiscia Institute, Society for Cancer Research, Arlesheim, Switzerland
| | - Stephan Baumgartner
- Hiscia Institute, Society for Cancer Research, Arlesheim, Switzerland
- Institute of Integrative Medicine, University of Witten/Herdecke, Herdecke, Germany
- Institute of Complementary and Integrative Medicine, University of Bern, Bern, Switzerland
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26
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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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27
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Ghotbi M, Kelting O, Blümel M, Tasdemir D. Gut and Gill-Associated Microbiota of the Flatfish European Plaice ( Pleuronectes platessa): Diversity, Metabolome and Bioactivity against Human and Aquaculture Pathogens. Mar Drugs 2022; 20:md20090573. [PMID: 36135762 PMCID: PMC9500656 DOI: 10.3390/md20090573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/29/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Similar to other marine holobionts, fish are colonized by complex microbial communities that promote their health and growth. Fish-associated microbiota is emerging as a promising source of bioactive metabolites. Pleuronectes platessa (European plaice, plaice), a flatfish with commercial importance, is common in the Baltic Sea. Here we used a culture-dependent survey followed by molecular identification to identify microbiota associated with the gills and the gastrointestinal tract (GIT) of P. platessa, then profiled their antimicrobial activity and metabolome. Altogether, 66 strains (59 bacteria and 7 fungi) were isolated, with Proteobacteria being the most abundant phylum. Gill-associated microbiota accounted for higher number of isolates and was dominated by the Proteobacteria (family Moraxellaceae) and Actinobacteria (family Nocardiaceae), whereas Gram-negative bacterial families Vibrionaceae and Shewanellaceae represented the largest group associated with the GIT. The EtOAc extracts of the solid and liquid media cultures of 21 bacteria and 2 fungi representing the diversity of cultivable plaice-associated microbiota was profiled for their antimicrobial activity against three fish pathogens, human bacterial pathogen panel (ESKAPE) and two human fungal pathogens. More than half of all tested microorganisms, particularly those originating from the GIT epithelium, exhibited antagonistic effect against fish pathogens (Lactococcus garvieae, Vibrio ichthyoenteri) and/or human pathogens (Enterococcus faecium, methicillin-resistant Staphylococcus aureus). Proteobacteria represented the most active isolates. Notably, the solid media extracts displayed higher activity against fish pathogens, while liquid culture extracts were more active against human pathogens. Untargeted metabolomics approach using feature-based molecular networking showed the high chemical diversity of the liquid extracts that contained undescribed clusters. This study highlights plaice-associated microbiota as a potential source of antimicrobials for the control of human and the aquaculture-associated infections. This is the first study reporting diversity, bioactivity and chemical profile of culture-dependent microbiota of plaice.
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Affiliation(s)
- Marjan Ghotbi
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Product Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Ole Kelting
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Product Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Martina Blümel
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Product Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Deniz Tasdemir
- GEOMAR Centre for Marine Biotechnology (GEOMAR-Biotech), Research Unit Marine Natural Product Chemistry, GEOMAR Helmholtz Centre for Ocean Research Kiel, Am Kiel-Kanal 44, 24106 Kiel, Germany
- Faculty of Mathematics and Natural Sciences, Kiel University, Christian-Albrechts-Platz 4, 24118 Kiel, Germany
- Correspondence: ; Tel.: +49-431-600-4430
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28
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Ding B, Li H, Huang H, Xie J, Wang Z, Chen W, Tao Y. Development of a mass spectrometry-based metabolomics workflow for traceability of wild and cultivated Cordyceps sinensis. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2022; 39:1773-1784. [PMID: 36070448 DOI: 10.1080/19440049.2022.2118864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Cordyceps sinensis, as an expensive traditional Chinese medicine and edible fungus mycelium, lacks an effective quality evaluation method, especially and cultivated Cordyceps sinensis. In this study, a feasible workflow method was developed for traceability evaluation of wild and cultivated Cordyceps sinensis, based on mass spectrometry-based metabolomics. Mass spectrometry data were firstly acquired from Cordyceps sinensis, samples by liquid chromatography-quadrupole and time of flight mass spectrometry. Characteristic mass spectrometry peaks were extracted by applying the MZmine. Then significant markers were obtained from Cordyceps sinensis samples by orthogonal partial least square discriminant analysis. Then, identification of significant markers were identified by MS-FINDER data analytics. The results showed that Changdu, the other four wild origins (Naqu, Xinghai, Yushu and Guoluo) and cultivated samples could be significantly distinguished. This identified significant markers of Cordyceps sinensis, including 174 special significant markers for the wild samples, 204 special significant markers for the cultivated samples and 87 share significant markers. Number of 87 shared significant markers were identified in the wild and cultivated Cordyceps sinensis, especially 28 confident significant compounds, such as adenosine, riboflavin, tyrosine, arginine and glutamine. These shared significant markers might support the quality control of multi-targets of Cordyceps sinensis, compared with a single target in the Chinese Pharmacopoeia. The special significant markers indicated that cultivated Cordyceps sinensis was different from the wild based on mass spectrometry-based metabolomics. In the comparison of chromatographic fingerprint technology, it was found that the established feasible workflow method was easy to acquire significant markers and traceability of Cordyceps sinensis. This feasible workflow method has great potential to be successful for comprehensive and traceability evaluation of the wild and cultivated Cordyceps sinensis.
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Affiliation(s)
- Bo Ding
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China.,Guangzhou Customs Technology Centre, Guangzhou, China
| | - Hanxiang Li
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Hongbo Huang
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Jianjun Xie
- Guangzhou Customs Technology Centre, Guangzhou, China
| | - Zhiyuan Wang
- Guangzhou Customs Technology Centre, Guangzhou, China
| | - Wenrui Chen
- Guangzhou Customs Technology Centre, Guangzhou, China
| | - Yiwen Tao
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, China
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29
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Computation-Assisted Identification of Bioactive Compounds in Botanical Extracts: A Case Study of Anti-Inflammatory Natural Products from Hops. Antioxidants (Basel) 2022; 11:antiox11071400. [PMID: 35883889 PMCID: PMC9312012 DOI: 10.3390/antiox11071400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/17/2022] Open
Abstract
The slow pace of discovery of bioactive natural products can be attributed to the difficulty in rapidly identifying them in complex mixtures such as plant extracts. To overcome these hurdles, we explored the utility of two machine learning techniques, i.e., Elastic Net and Random Forests, for identifying the individual anti-inflammatory principle(s) of an extract of the inflorescences of the hops (Humulus lupulus) containing hundreds of natural products. We fractionated a hop extract by column chromatography to obtain 40 impure fractions, determined their anti-inflammatory activity using a macrophage-based bioassay that measures inhibition of iNOS-mediated formation of nitric oxide, and characterized the chemical composition of the fractions by flow-injection HRAM mass spectrometry and LC-MS/MS. Among the top 10 predictors of bioactivity were prenylated flavonoids and humulones. The top Random Forests predictor of bioactivity, xanthohumol, was tested in pure form in the same bioassay to validate the predicted result (IC50 7 µM). Other predictors of bioactivity were identified by spectral similarity with known hop natural products using the Global Natural Products Social Networking (GNPS) algorithm. Our machine learning approach demonstrated that individual bioactive natural products can be identified without the need for extensive and repetitive bioassay-guided fractionation of a plant extract.
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30
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Bacillus subtilis biofilm matrix components target seed oil bodies to promote growth and anti-fungal resistance in melon. Nat Microbiol 2022; 7:1001-1015. [PMID: 35668112 PMCID: PMC9246715 DOI: 10.1038/s41564-022-01134-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 04/25/2022] [Indexed: 12/13/2022]
Abstract
Beneficial microorganisms are used to stimulate the germination of seeds; however, their growth-promoting mechanisms remain largely unexplored. Bacillus subtilis is commonly found in association with different plant organs, providing protection against pathogens or stimulating plant growth. We report that application of B. subtilis to melon seeds results in genetic and physiological responses in seeds that alter the metabolic and developmental status in 5-d and 1-month-old plants upon germination. We analysed mutants in different components of the extracellular matrix of B. subtilis biofilms in interaction with seeds and found cooperation in bacterial colonization of seed storage tissues and growth promotion. Combining confocal microscopy with fluorogenic probes, we found that two specific components of the extracellular matrix, amyloid protein TasA and fengycin, differentially increased the concentrations of reactive oxygen species inside seeds. Further, using electron and fluorescence microscopy and metabolomics, we showed that both TasA and fengycin targeted the oil bodies in the seed endosperm, resulting in specific changes in lipid metabolism and accumulation of glutathione-related molecules. In turn, this results in two different plant growth developmental programmes: TasA and fengycin stimulate the development of radicles, and fengycin alone stimulate the growth of adult plants and resistance in the phylloplane to the fungus Botrytis cinerea. Understanding mechanisms of bacterial growth promotion will enable the design of bespoke growth promotion strains. Mechanisms of growth promotion of Bacillus subtilis on melon seeds are identified using a combination of multi-omics and microscopy.
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Chianese G, Sirignano C, Benetti E, Marzaroli V, Collado JA, de la Vega L, Appendino G, Muñoz E, Taglialatela-Scafati O. A Nrf-2 Stimulatory Hydroxylated Cannabidiol Derivative from Hemp ( Cannabis sativa). JOURNAL OF NATURAL PRODUCTS 2022; 85:1089-1097. [PMID: 35316044 PMCID: PMC9040056 DOI: 10.1021/acs.jnatprod.1c01198] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Indexed: 05/27/2023]
Abstract
A phytochemical analysis of mother liquors obtained from crystallization of CBD from hemp (Cannabis sativa), guided by LC-MS/MS and molecular networking profiling and completed by isolation and NMR-based characterization of constituents, resulted in the identification of 13 phytocannabinoids. Among them, anhydrocannabimovone (5), isolated for the first time as a natural product, and three new hydroxylated CBD analogues (1,2-dihydroxycannabidiol, 6, 3,4-dehydro-1,2-dihydroxycannabidiol, 7, and hexocannabitriol, 8) were obtained. Hexocannabitriol (8) potently modulated, in a ROS-independent way, the Nrf2 pathway, outperforming all other cannabinoids obtained in this study and qualifying as a potential new chemopreventive chemotype against cancer and other degenerative diseases.
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Affiliation(s)
- Giuseppina Chianese
- Department
of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | - Carmina Sirignano
- Department
of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | | | | | - Juan A. Collado
- Instituto
Maimónides de Investigación Biomédica de Córdoba
(IMIBIC), Avenida Menéndez
Pidal, s/n, 14004 Córdoba, Spain
- Departamento
de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Spain, and Hospital
Universitario Reina Sofía, 14014 Córdoba, Spain
| | - Lauren de la Vega
- Jacqui
Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, James Arnott Drive, Ninewells Hospital, DD2 1UB Dundee, U.K.
| | - Giovanni Appendino
- Dipartimento
di Scienze del Farmaco, Università
del Piemonte Orientale, Largo Donegani 2, 28100, Novara, Italy
| | - Eduardo Muñoz
- Instituto
Maimónides de Investigación Biomédica de Córdoba
(IMIBIC), Avenida Menéndez
Pidal, s/n, 14004 Córdoba, Spain
- Departamento
de Biología Celular, Fisiología e Inmunología, Universidad de Córdoba, Spain, and Hospital
Universitario Reina Sofía, 14014 Córdoba, Spain
| | - Orazio Taglialatela-Scafati
- Department
of Pharmacy, School of Medicine and Surgery, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
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Poyer S, Laboureur L, Hebra T, Elie N, Van der Rest G, Salpin JY, Champy P, Touboul D. Dereplication of Acetogenins from Annona muricata by Combining Tandem Mass Spectrometry after Lithium and Copper Postcolumn Cationization and Molecular Networks. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:627-634. [PMID: 35344372 DOI: 10.1021/jasms.1c00303] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Annonaceous acetogenins are natural products held responsible for atypical Parkinsonism due to chronic consumption in traditional medicine or as food, leading to the development of analytical strategies for their complete chemical characterization in complex mixtures. Characterization by tandem mass spectrometry (MS/MS) of acetogenins using collision-induced dissociation from lithium adducts provides additional structural information compared to protonated or sodiated species such as ketone location on the acetogenin backbone. However, very low intensity diagnostic ions together with the lack of extensive structural information regarding position of OH and THF substituents limit this approach. Copper adducts led to diagnostic fragment ions that allow us to identify the position of oxygen rings and hydroxyl substituents. Fragmentation rules were established on the basis of acetogenin standards allowing the identification of 45 over the 77 analogues observed in an extract of Annona muricata by LC-MS/MS using postcolumn infusion of copper sulfate (CuSO4) solution. Molecular networks that were generated thanks to specific fragmentations obtained with copper led to the distinction of THF ring position or to the identification of hydroxylated lactone, for instance.
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Affiliation(s)
- Salomé Poyer
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Laurent Laboureur
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Téo Hebra
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | - Nicolas Elie
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
| | | | - Jean-Yves Salpin
- Université Paris-Saclay, Univ Evry, CNRS, LAMBE, 91025 Evry-Courcouronnes, France
- LAMBE, CY Cergy Paris Université, CNRS, 95000 Cergy, France
| | - Pierre Champy
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
| | - David Touboul
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198 Gif-sur-Yvette, France
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Mao X, Xia L, Yang L, You Y, Luo P, Li Y, Wu Y, Jiang G. Data mining of natural hazard biomarkers and metabolites with integrated metabolomic tools. JOURNAL OF HAZARDOUS MATERIALS 2022; 427:127912. [PMID: 34862102 DOI: 10.1016/j.jhazmat.2021.127912] [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: 10/15/2021] [Revised: 11/08/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Data mining was one of the most important challenges in natural product analysis and biomarker discovery. In this work, we proposed an integrated data analysis protocol for natural products annotation and identification in data-dependent acquisition. Firstly, natural products and structure-related compounds could be identified by comparing mass spectrum behavior with commercial standard. Secondly, diagnostic fragmentation filtering (DFF) function in MZmine (http://mzmine.github.io/) was investigated for screening specific conjugation compounds with the same neutral loss. Thirdly, we present feature-based molecular networking (FBMN) in GNPS (https://gnps.ucsd.edu/) as a chromatographic feature detection and alignment tool. In addition, FBMN could enable natural products analysis based on molecular networks. This proposed integrated protocol should facilitate metabolomic data mining and biomarker discovery.
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Affiliation(s)
- Xin Mao
- Yantai University, Yantai, Shandong 264005, China
| | - Lining Xia
- Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China
| | - Li Yang
- Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China
| | - Yanli You
- Yantai University, Yantai, Shandong 264005, China
| | - Pengjie Luo
- NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Science Research Unit (2019RU014), China National Center for Food Safety Risk Assessment, Beijing 100017, China
| | - Yanshen Li
- Yantai University, Yantai, Shandong 264005, China.
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Science Research Unit (2019RU014), China National Center for Food Safety Risk Assessment, Beijing 100017, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Yang Z, Li L, Chen CH, Zhang YY, Yang Y, Zhang P, Bao GH. Chemical composition and antibacterial activity of 12 medicinal plant ethyl acetate extracts using LC-MS feature-based molecular networking. PHYTOCHEMICAL ANALYSIS : PCA 2022; 33:473-489. [PMID: 35042282 DOI: 10.1002/pca.3103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
INTRODUCTION Widespread use of antibiotics has led to an increase in bacterial multiple drug resistance, thereby searching for natural antimicrobial agents from plants becomes an effective and alternative approach. In the present study, we selected six foodborne bacteria to evaluate the antibacterial activities of 12 medicinal plants ethyl acetate (EA) extracts. OBJECTIVE This study aims to search for natural antibiotic substitutes from plant extracts. The antibacterial components were further discussed through chemometric and mass spectroscopic analyses. METHODOLOGY Agar well diffusion and the microdilution methods were used to test the antibacterial activity. Total phenolic content (TPC) and total flavonoid content (TFC) were used to judge the active phytochemicals. To further characterise the potential antibacterial components, an ultra-performance liquid chromatography-quadrupole-time of flight-mass spectrometry (UPLC-Q-TOF-MS) coupled with Pearson correlation and feature-based molecular network (FBMN) were proposed. RESULTS Most of the plant extracts possessed antibacterial activity against Bacillus subtilis and Salmonella typhi. Toona sinensis shoots and Firmiana simplex barks showed high inhibitory activities against Staphylococcus aureus, Shigella dysenteriae, and Escherichia coli strains with minimum inhibitory concentrations (MICs) of 1.56, 0.78, and 0.39 mg/mL, respectively. Salmonella typhi was highly sensitive to Firmiana simplex barks with an inhibitory diameter up to 21.67 ± 0.95 mm, and MIC at 0.78 mg/mL. Moreover, Toona sinensis shoots and Firmiana simplex barks had the highest TPCs. CONCLUSION Our results indicated that Toona sinensis shoots, Koelreuteria paniculate seeds, and Firmiana simplex barks could be supplied as potential sources of antimicrobial agents. Furthermore, 36 potential bioactive compounds were identified mainly as polyphenols, glycosides, and terpenoids.
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Affiliation(s)
- Zi Yang
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Li Li
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Chen-Hui Chen
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Yuan-Yuan Zhang
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Yi Yang
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Peng Zhang
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
| | - Guan-Hu Bao
- Natural Products Laboratory, State Key Laboratory of Tea Plant Biology and Utilisation, Anhui Agricultural University, Hefei, P. R. China
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Wang YD, Yang J, Li Q, Li YY, Tan XM, Yao SY, Niu SB, Deng H, Guo LP, Ding G. UPLC-Q-TOF-MS/MS Analysis of Seco-Sativene Sesquiterpenoids to Detect New and Bioactive Analogues From Plant Pathogen Bipolaris sorokiniana. Front Microbiol 2022; 13:807014. [PMID: 35356527 PMCID: PMC8959811 DOI: 10.3389/fmicb.2022.807014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/27/2022] [Indexed: 11/13/2022] Open
Abstract
Seco-sativene sesquiterpenoids are an important member of phytotoxins and plant growth regulators isolated from a narrow spectrum of fungi. In this report, eight seco-sativene sesquiterpenoids (1-8) were first analyzed using the UPLC-Q-TOF-MS/MS technique in positive mode, from which their mass fragmentation pathways were suggested. McLafferty rearrangement, 1,3-rearrangement, and neutral losses were considered to be the main fragmentation patterns for the [M+1]+ ions of 1-8. According to the structural features (of different substitutes at C-1, C-2, and C-13) in compounds 1-8, five subtypes (A-E) of seco-sativene were suggested, from which subtypes A, B/D, and E possessed the diagnostic daughter ions at m/z 175, 189, and 203, respectively, whereas subtype C had the characteristic daughter ion at m/z 187 in the UPLC-Q-TOF-MS/MS profiles. Based on the fragmentation patterns of 1-8, several known compounds (1-8) and two new analogues (9 and 10) were detected in the extract of plant pathogen fungus Bipolaris sorokiniana based on UPLC-Q-TOF-MS/MS analysis, of which 1, 2, 9, and 10 were then isolated and elucidated by NMR spectra. The UPLC-Q-TOF-MS/MS spectra of these two new compounds (9 and 10) were consistent with the fragmentation mechanisms of 1-8. Compound 1 displayed moderate antioxidant activities with IC50 of 0.90 and 1.97 mM for DPPH and ABTS+ scavenging capacity, respectively. The results demonstrated that seco-sativene sesquiterpenoids with the same subtypes possessed the same diagnostic daughter ions in the UPLC-Q-TOF-MS/MS profiles, which could contribute to structural characterization of seco-sativene sesquiterpenoids. Our results also further supported that UPLC-Q-TOF-MS/MS is a powerful and sensitive tool for dereplication and detection of new analogues from crude extracts of different biological origins.
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Affiliation(s)
- Yan-Duo Wang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jian Yang
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qi Li
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan-Yuan Li
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiang-Mei Tan
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Si-Yang Yao
- Department of Pharmacy, Beijing City University, Beijing, China
| | - Shu-Bin Niu
- Department of Pharmacy, Beijing City University, Beijing, China
| | - Hui Deng
- Key Laboratory of Microbial Resources, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lan-Ping Guo
- State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Gang Ding
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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36
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Secondary-metabolites fingerprinting of Argania spinosa kernels using liquid chromatography–mass spectrometry and chemometrics, for metabolite identification and quantification as well as for geographic classification. J Chromatogr A 2022; 1670:462972. [DOI: 10.1016/j.chroma.2022.462972] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 12/11/2022]
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37
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Combination of GC-MS Molecular Networking and Larvicidal Effect against Aedes aegypti for the Discovery of Bioactive Substances in Commercial Essential Oils. Molecules 2022; 27:molecules27051588. [PMID: 35268689 PMCID: PMC8912102 DOI: 10.3390/molecules27051588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/20/2022] [Accepted: 02/24/2022] [Indexed: 01/11/2023] Open
Abstract
Dengue is a neglected disease, present mainly in tropical countries, with more than 5.2 million cases reported in 2019. Vector control remains the most effective protective measure against dengue and other arboviruses. Synthetic insecticides based on organophosphates, pyrethroids, carbamates, neonicotinoids and oxadiazines are unattractive due to their high degree of toxicity to humans, animals and the environment. Conversely, natural-product-based larvicides/insecticides, such as essential oils, present high efficiency, low environmental toxicity and can be easily scaled up for industrial processes. However, essential oils are highly complex and require modern analytical and computational approaches to streamline the identification of bioactive substances. This study combined the GC-MS spectral similarity network approach with larvicidal assays as a new strategy for the discovery of potential bioactive substances in complex biological samples, enabling the systematic and simultaneous annotation of substances in 20 essential oils through LC50 larvicidal assays. This strategy allowed rapid intuitive discovery of distribution patterns between families and metabolic classes in clusters, and the prediction of larvicidal properties of acyclic monoterpene derivatives, including citral, neral, citronellal and citronellol, and their acetate forms (LC50 < 50 µg/mL).
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38
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Le Daré B, Allard S, Couette A, Allard PM, Morel I, Gicquel T. Comparison of Illicit Drug Seizures Products of Natural Origin Using a Molecular Networking Approach. Int J Toxicol 2022; 41:108-114. [PMID: 35212556 DOI: 10.1177/10915818211065161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Drug powder composition analysis is of particular interest in forensic investigations to identify illicit substance content, cutting agents and impurities. Powder profiling is difficult to implement due to multiple analytical methods requirement and remains a challenge for forensic toxicology laboratories. Furthermore, visualization tools allowing seizure products identification appear to be under-used to date. The aim of this study is to present the utility of molecular networking for the composition establishment of natural origin drugs. A powder suspected to contain heroin and three powders suspected to contain cocaine obtained from law enforcement agency seizures were analyzed using untargeted screening by liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS/MS). Molecular networking and metabolite annotation applied to suspected heroin sample allowed rapid confirmation of its illicit content (heroin), the identification of structurally related major impurities (6-monoacetylmorphine, 6-monoacetylcodeine, noscapine, and papaverine), as well as cutting agents (acetaminophen and caffeine). The cocaine powder profiling allowed the comparison of its constituents in a semi-quantitative manner (cocaine, benzoylecgonine, trans/cis-cinnamoylcocaine, trimethoxycocaine, hexanoylecgonine methylester, caffeine, hydroxyzine, levamisole, and phenacetin), bringing additional information for their identification, including geographically sourcing of natural product and their putative place in the supply chain. Although this approach does not replace the profiling techniques used by forensic laboratories, the use of molecular networks provides a visual overview of structurally related constituents which aids the comparison and investigation of seizure powders. Molecular networks offers here an ideal way to depict structurally related and unrelated compounds in these often complex mixtures of chemicals.
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Affiliation(s)
- Brendan Le Daré
- Forensic Toxicology Laboratory, 36684Rennes University Hospital, Rennes, France.,INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolisms and Cancer), 36684University Rennes, Rennes, France
| | - Sophie Allard
- Forensic Toxicology Laboratory, 36684Rennes University Hospital, Rennes, France
| | - Aurélien Couette
- Forensic Toxicology Laboratory, 36684Rennes University Hospital, Rennes, France
| | | | - Isabelle Morel
- Forensic Toxicology Laboratory, 36684Rennes University Hospital, Rennes, France.,INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolisms and Cancer), 36684University Rennes, Rennes, France
| | - Thomas Gicquel
- Forensic Toxicology Laboratory, 36684Rennes University Hospital, Rennes, France.,INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolisms and Cancer), 36684University Rennes, Rennes, France
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39
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Wang X, Serrano R, González-Menéndez V, Mackenzie TA, Ramos MC, Frisvad JC, Larsen TO. A Molecular Networking Based Discovery of Diketopiperazine Heterodimers and Aspergillicins from Aspergillus caelatus. JOURNAL OF NATURAL PRODUCTS 2022; 85:25-33. [PMID: 35045259 DOI: 10.1021/acs.jnatprod.1c00526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The number of species in Aspergillus section Flavi has recently increased to 36 and includes some of the most important and well-known species in the genus Aspergillus. Numerous secondary metabolites, especially mycotoxins, have been reported from species such as A. flavus; however many of the more recently described species are less studied from a chemical point of view. This paper describes the use of MS/MS-based molecular networking to investigate the metabolome of A. caelatus leading to the discovery of several new diketopiperazine dimers and aspergillicins. An MS-guided isolation procedure yielded six new compounds, including asperazines D-H (1-5) and aspergillicin H (6). Asperazines G and H are artifacts derived from asperazines E and F formed during the separation process by formic acid. Two known compounds, aspergillicins A and C (7 and 8), were isolated from the same strain. Structures were elucidated by analyzing their HR-MS/MS and NMR spectroscopic data. The absolute configuration of asperazines D-F and aspergillicin H were deduced from the combination of NMR, Marfey's method, and ECD analyses.
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Affiliation(s)
- Xinhui Wang
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads 221, DK-2800 Kgs. Lyngby, Denmark
| | - Rachel Serrano
- Fundación MEDINA, Parque Tecnológico de Ciencias de la Salud, 18016 Armilla, Granada, Spain
| | | | - Thomas A Mackenzie
- Fundación MEDINA, Parque Tecnológico de Ciencias de la Salud, 18016 Armilla, Granada, Spain
| | - Maria C Ramos
- Fundación MEDINA, Parque Tecnológico de Ciencias de la Salud, 18016 Armilla, Granada, Spain
| | - Jens C Frisvad
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads 221, DK-2800 Kgs. Lyngby, Denmark
| | - Thomas O Larsen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Søltofts Plads 221, DK-2800 Kgs. Lyngby, Denmark
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Barthélemy M, Elie N, Genta-Jouve G, Stien D, Touboul D, Eparvier V. Identification of Antagonistic Compounds between the Palm Tree Xylariale Endophytic Fungi and the Phytopathogen Fusarium oxysporum. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:10893-10906. [PMID: 34516124 DOI: 10.1021/acs.jafc.1c03141] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
To discover microorganisms that naturally possess chemical weapons against the phytopathogen Fusarium oxysporum, the biological and chemical diversity of plant leaf endophytes was investigated. Endophytes were isolated from the palm tree Astrocaryum sciophyllum collected in pristine forests of French Guiana. Several Xylariaceae inhibited the growth of F. oxysporum and were further explored. Antifungal specialized metabolites were isolated from the Xylariaceae BSNB-0294 strain in confrontation with the phytopathogen and led to the identification of undescribed compounds, i.e., two depsipeptides named xylariaceins, two metabolites containing a 3-imidazolinone moiety, and four new compounds including a nitro-phenylpropanamide and three phenylalanine analogues named xylariains A-D. In parallel, the chemical investigation of the phytopathogen during the coculture led to the identification of an unknown compound, which we named focicin. The production of focicin was exacerbated during the competition. Matrix-assisted laser desorption/ionization coupled to time-of-flight mass spectometry (MALDI-TOF MS) imaging of the competition between BSNB-0294 (endophytic strain) and F. oxysporum f.sp. ciceris (phytopathogen) highlighted time-dependent chemical interactions between the two microorganisms.
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Affiliation(s)
- Morgane Barthélemy
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Nicolas Elie
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Grégory Genta-Jouve
- Laboratoire Ecologie, Evolution, Interactions des Systèmes Amazoniens (LEEISA), USR 3456, Université De Guyane, CNRS Guyane, 97300 Cayenne, French Guiana, France
| | - Didier Stien
- Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, Sorbonne Universités, UPMC Université Paris 06, CNRS, 66650 Banyuls-sur-Mer, France
| | - David Touboul
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Véronique Eparvier
- CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
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41
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Gicquel T, Pelletier R, Richeval C, Gish A, Hakim F, Ferron PJ, Mesli V, Allorge D, Morel I, Gaulier JM. Metabolite elucidation of 2-fluoro-deschloroketamine (2F-DCK) using molecular networking across three complementary in vitro and in vivo models. Drug Test Anal 2021; 14:144-153. [PMID: 34515415 DOI: 10.1002/dta.3162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 08/26/2021] [Accepted: 09/07/2021] [Indexed: 11/06/2022]
Abstract
This work first aims to investigate metabolites of 2-fluoro-deschloroketamine (2F-DCK), a new arylcyclohexylamine derivatives (a group of dissociative ketamine-based substances) using two in vitro experimental approaches, and to compare obtained results by means of molecular networking. Metabolites of 2F-DCK were investigated using both human liver microsomes (HLMs) and hepatic (HepaRG) cell line incubates using molecular networking approach: 2F-DCK pure substance was incubated with HLMs for up to 1 h at two concentrations (100 and 500 μM) and with HepaRG cells for two time periods (8 and 24 h) at one concentration (20 μM). In vitro obtained results were subsequently applied to a 2F-DCK-related fatality case. In vitro-produced metabolites were investigated using high-resolution accurate mass spectrometry using Orbitrap mass analyzer technology. Thirteen metabolites were in vitro produced and several metabolic pathways can be postulated. Seven additional metabolites were found in post-mortem samples (bile and urine) of the case, comprising three Phase II metabolites, which appear to be minor in vivo metabolites. HLMs and HepaRG cell models appear to be complementary and obtained data allowed the identification of several specific 2F-DCK metabolites in biological samples. In practical terms, observed metabolic ratios suggested that nor-2F-DCK (208.1137 m/z) and a hydrogenated metabolite (224.1443 m/z) could be proposed as reliable metabolites to be recorded in HRMS libraries in order to improve detection of 2F-DCK use.
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Affiliation(s)
- Thomas Gicquel
- Forensic Toxicology Laboratory, CHU Rennes, Rennes, France.,NuMeCan Institute (Nutrition, Metabolisms and Cancer), Univ Rennes, INSERM, INRAE, CHU Rennes, Rennes, France
| | | | - Camille Richeval
- Toxicology Functional Unit, CHU Lille, Lille, France.,ULR 4483-IMPECS-IMPACT of the Chemical Environment on Human Health, Univ. Lille, Lille, France
| | - Alexandr Gish
- Toxicology Functional Unit, CHU Lille, Lille, France
| | - Florian Hakim
- Toxicology Functional Unit, CHU Lille, Lille, France.,ULR 4483-IMPECS-IMPACT of the Chemical Environment on Human Health, Univ. Lille, Lille, France
| | - Pierre-Jean Ferron
- NuMeCan Institute (Nutrition, Metabolisms and Cancer), Univ Rennes, INSERM, INRAE, CHU Rennes, Rennes, France
| | - Vadim Mesli
- Legal Medicine Service, CHU Lille, Lille, France
| | - Delphine Allorge
- Toxicology Functional Unit, CHU Lille, Lille, France.,ULR 4483-IMPECS-IMPACT of the Chemical Environment on Human Health, Univ. Lille, Lille, France
| | - Isabelle Morel
- Forensic Toxicology Laboratory, CHU Rennes, Rennes, France.,NuMeCan Institute (Nutrition, Metabolisms and Cancer), Univ Rennes, INSERM, INRAE, CHU Rennes, Rennes, France
| | - Jean-Michel Gaulier
- Toxicology Functional Unit, CHU Lille, Lille, France.,ULR 4483-IMPECS-IMPACT of the Chemical Environment on Human Health, Univ. Lille, Lille, France
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Akbar S, Stevens DC. Functional genomics study of Pseudomonas putida to determine traits associated with avoidance of a myxobacterial predator. Sci Rep 2021; 11:16445. [PMID: 34385565 PMCID: PMC8360965 DOI: 10.1038/s41598-021-96046-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 07/28/2021] [Indexed: 12/13/2022] Open
Abstract
Predation contributes to the structure and diversity of microbial communities. Predatory myxobacteria are ubiquitous to a variety of microbial habitats and capably consume a broad diversity of microbial prey. Predator-prey experiments utilizing myxobacteria have provided details into predatory mechanisms and features that facilitate consumption of prey. However, prey resistance to myxobacterial predation remains underexplored, and prey resistances have been observed exclusively from predator-prey experiments that included the model myxobacterium Myxococcus xanthus. Utilizing a predator-prey pairing that instead included the myxobacterium, Cystobacter ferrugineus, with Pseudomonas putida as prey, we observed surviving phenotypes capable of eluding predation. Comparative transcriptomics between P. putida unexposed to C. ferrugineus and the survivor phenotype suggested that increased expression of efflux pumps, genes associated with mucoid conversion, and various membrane features contribute to predator avoidance. Unique features observed from the survivor phenotype when compared to the parent P. putida include small colony variation, efflux-mediated antibiotic resistance, phenazine-1-carboxylic acid production, and increased mucoid conversion. These results demonstrate the utility of myxobacterial predator-prey models and provide insight into prey resistances in response to predatory stress that might contribute to the phenotypic diversity and structure of bacterial communities.
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Affiliation(s)
- Shukria Akbar
- Department of BioMolecular Sciences, University of Mississippi, University, MS, USA
| | - D Cole Stevens
- Department of BioMolecular Sciences, University of Mississippi, University, MS, USA.
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Hanke W, Patt J, Alenfelder J, Voss JH, Zdouc MM, Kehraus S, Kim JB, Grujičić GV, Namasivayam V, Reher R, Müller CE, Kostenis E, Crüsemann M, König GM. Feature-Based Molecular Networking for the Targeted Identification of G q-Inhibiting FR900359 Derivatives. JOURNAL OF NATURAL PRODUCTS 2021; 84:1941-1953. [PMID: 34197116 DOI: 10.1021/acs.jnatprod.1c00194] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Both the soil bacterium Chromobacterium vaccinii and the bacterial endosymbiont Candidatus Burkholderia crenata of the plant Ardisia crenata are producers of FR900359 (FR). This cyclic depsipeptide is a potent and selective Gq protein inhibitor used extensively to investigate the intracellular signaling of G protein coupled receptors (GPCRs). In this study, the metabolomes of both FR producers were investigated and compared using feature-based molecular networking (FBMN). As a result, 30 previously unknown FR derivatives were identified, one-third being unique to C. vaccinii. Guided by MS, a novel FR derivative, FR-6 (compound 1), was isolated, and its structure unambiguously established. In a whole-cell biosensing assay based on detection of dynamic mass redistribution (DMR) as readout for Gq inhibition, FR-6 suppressed Gq signaling with micromolar potency (pIC50 = 5.56). This functional activity was confirmed in radioligand binding assays (pKi = 7.50). This work demonstrates the power of molecular networking, guiding the way to a novel Gq-inhibiting FR derivative and underlining the potency of FR as a Gq inhibitor.
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Affiliation(s)
- Wiebke Hanke
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Julian Patt
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Judith Alenfelder
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Jan H Voss
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Mitja M Zdouc
- Swammerdam Institute for Life Sciences, University of Amsterdam, 1098 XH Amsterdam, The Netherlands
| | - Stefan Kehraus
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Jung Bong Kim
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Goran V Grujičić
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Vigneshwaran Namasivayam
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Raphael Reher
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Christa E Müller
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Evi Kostenis
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Max Crüsemann
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
| | - Gabriele M König
- Institute of Pharmaceutical Biology, University of Bonn, Nussallee 6, D-53115 Bonn, Germany
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Vanhaverbeke C, Touboul D, Elie N, Prévost M, Meunier C, Michelland S, Cunin V, Ma L, Vermijlen D, Delporte C, Pochet S, Le Gouellec A, Sève M, Van Antwerpen P, Souard F. Untargeted metabolomics approach to discriminate mistletoe commercial products. Sci Rep 2021; 11:14205. [PMID: 34244531 PMCID: PMC8270909 DOI: 10.1038/s41598-021-93255-z] [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: 03/14/2021] [Accepted: 06/17/2021] [Indexed: 01/25/2023] Open
Abstract
Mistletoe (Viscum album L.) is used in German-speaking European countries in the field of integrative oncology linking conventional and complementary medicine therapies to improve quality of life. Various companies sell extracts, fermented or not, for injection by subcutaneous or intra-tumoral route with a regulatory status of anthroposophic medicinal products (European Medicinal Agency (EMA) assessment status). These companies as well as anthroposophical physicians argue that complex matrices composed of many molecules in mixture are necessary for activity and that the host tree of the mistletoe parasitic plant is the main determining factor for this matrix composition. The critical point is that parenteral devices of European mistletoe extracts do not have a standard chemical composition regulated by EMA quality guidelines, because they are not drugs, regulatory speaking. However, the mechanism of mistletoe's anticancer activity and its effectiveness in treating and supporting cancer patients are not fully understood. Because of this lack of transparency and knowledge regarding the matrix chemical composition, we undertook an untargeted metabolomics study of several mistletoe extracts to explore and compare their fingerprints by LC-(HR)MS(/MS) and 1H-NMR. Unexpectedly, we showed that the composition was primarily driven by the manufacturer/preparation method rather than the different host trees. This differential composition may cause differences in immunostimulating and anti-cancer activities of the different commercially available mistletoe extracts as illustrated by structure-activity relationships based on LC-MS/MS and 1H-NMR identifications completed by docking experiments. In conclusion, in order to move towards an evidence-based medicine use of mistletoe, it is a priority to bring rigor and quality, chemically speaking.
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Affiliation(s)
| | - David Touboul
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Nicolas Elie
- Université Paris-Saclay, CNRS, Institut de Chimie des Substances Naturelles, UPR 2301, 91198, Gif-sur-Yvette, France
| | - Martine Prévost
- Structure et Fonction des Membranes Biologiques, Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
| | - Cécile Meunier
- CHU Grenoble Alpes, Service de Biochimie et Biologie moléculaire et Toxicologie Environnementale, 38000, Grenoble, France
| | - Sylvie Michelland
- Univ. Grenoble Alpes, CHU Grenoble Alpes, Plateforme GExiM, 38000, Grenoble, France
- Univ. Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, Grenoble, France
| | - Valérie Cunin
- Univ. Grenoble Alpes, CHU Grenoble Alpes, Plateforme GExiM, 38000, Grenoble, France
- Univ. Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, Grenoble, France
| | - Ling Ma
- Department of Pharmacotherapy and Pharmaceutics (DPP), Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
- Institute for Medical Immunology, Université libre de Bruxelles, 6041, Gosselies, Belgium
- ULB Center for Research in Immunology (U-CRI), Université libre de Bruxelles (ULB), Brussels, Belgium
| | - David Vermijlen
- Department of Pharmacotherapy and Pharmaceutics (DPP), Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
- Institute for Medical Immunology, Université libre de Bruxelles, 6041, Gosselies, Belgium
- ULB Center for Research in Immunology (U-CRI), Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Cédric Delporte
- RD3-Pharmacognosy, Bioanalysis and Drug Discovery and Analytical Platform of the Faculty of Pharmacy, Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
| | - Stéphanie Pochet
- Department of Pharmacotherapy and Pharmaceutics (DPP), Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
| | - Audrey Le Gouellec
- CHU Grenoble Alpes, Service de Biochimie et Biologie moléculaire et Toxicologie Environnementale, 38000, Grenoble, France
- Univ. Grenoble Alpes, CHU Grenoble Alpes, Plateforme GExiM, 38000, Grenoble, France
- Univ. Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, Grenoble, France
| | - Michel Sève
- Univ. Grenoble Alpes, CHU Grenoble Alpes, Plateforme GExiM, 38000, Grenoble, France
- Univ. Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, Grenoble, France
| | - Pierre Van Antwerpen
- RD3-Pharmacognosy, Bioanalysis and Drug Discovery and Analytical Platform of the Faculty of Pharmacy, Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
| | - Florence Souard
- Univ. Grenoble Alpes, CNRS, DPM, 38000, Grenoble, France
- Department of Pharmacotherapy and Pharmaceutics (DPP), Université libre de Bruxelles (ULB), 1050, Brussels, Belgium
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Hebra T, Elie N, Poyer S, Van Elslande E, Touboul D, Eparvier V. Dereplication, Annotation, and Characterization of 74 Potential Antimicrobial Metabolites from Penicillium Sclerotiorum Using t-SNE Molecular Networks. Metabolites 2021; 11:metabo11070444. [PMID: 34357338 PMCID: PMC8303670 DOI: 10.3390/metabo11070444] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/02/2021] [Accepted: 07/05/2021] [Indexed: 12/03/2022] Open
Abstract
Microorganisms associated with termites are an original resource for identifying new chemical scaffolds or active metabolites. A molecular network was generated from a collection of strain extracts analyzed by liquid chromatography coupled to tandem high-resolution mass spectrometry, a molecular network was generated, and activities against the human pathogens methicillin-resistant Staphylococcus aureus, Candida albicans and Trichophyton rubrum were mapped, leading to the selection of a single active extract of Penicillium sclerotiorum SNB-CN111. This fungal species is known to produce azaphilones, a colorful family of polyketides with a wide range of biological activities and economic interests in the food industry. By exploring the molecular network data, it was shown that the chemical diversity related to the P. sclerotiorum metabolome largely exceeded the data already reported in the literature. According to the described fragmentation pathways of protonated azaphilones, the annotation of 74 azaphilones was proposed, including 49 never isolated or synthesized thus far. Our hypothesis was validated by the isolation and characterization of eight azaphilones, among which three new azaphilones were chlorogeumasnol (63), peniazaphilone E (74) and 7-deacetylisochromophilone VI (80).
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Affiliation(s)
| | | | | | | | - David Touboul
- Correspondence: (D.T.); (V.E.); Tel.: +33-169-823-032 (D.T.); +33-169-823-679 (V.E.)
| | - Véronique Eparvier
- Correspondence: (D.T.); (V.E.); Tel.: +33-169-823-032 (D.T.); +33-169-823-679 (V.E.)
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46
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Zhou J, Liu FJ, Li XX, Li P, Yang H, Liu YC, Chen YH, Wei CD, Li HJ. A strategy for rapid discovery of traceable chemical markers in herbal products using MZmine 2 data processing toolbox: A case of Jing Liqueur. CHINESE HERBAL MEDICINES 2021; 13:430-438. [PMID: 36118935 PMCID: PMC9476759 DOI: 10.1016/j.chmed.2021.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 12/08/2020] [Accepted: 03/22/2021] [Indexed: 11/23/2022] Open
Abstract
Objective The quality evaluation of herbal products remains a big challenge. Traceable markers are the core concept of the authentication of herbal products. However, the discovery of traceable markers is labor-intensive and time-consuming. The aim of this study is to develop a convenient approach to rapidly screen the traceable markers for herbal product authentication. Methods Commercial Jing Liqueur and its 22 species of herbal ingredients were analyzed using HPLC-QTOF-MS and GC–MS to characterize nonvolatile and volatile chemicals. The acquired data were imported into MZmine 2 software for mass detection, chromatogram building, deconvolution and alignment. The aligned data were exported into a csv file and then traceable markers were selected using the built-in filter function in Excel. Finally, the traceable markers were identified by searching against online databases or publications, some of which were confirmed by reference standards. Results A total of 288 chemical features transferred from herbal materials to Jing Liqueur product were rapidly screened out. Among them, 52 markers detected by HPLC-QTOF-MS were annotated, while nine volatile markers detected by GC–MS were annotated. Moreover, 30 of these markers were confirmed by comparing with reference standards. A chemical fingerprint consisting of traceable markers was finally generated to ensure the authentication and quality consistency of Jing Liqueur. Conclusion A strategy for rapid discovery of traceable markers in herbal products using MZmine 2 software was developed.
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Mendonça SC, Simas RC, Reis Simas DL, Leitão SG, Leitão GG. Mass spectrometry as a tool for the dereplication of saponins from Ampelozizyphus amazonicus Ducke bark and wood. PHYTOCHEMICAL ANALYSIS : PCA 2021; 32:262-282. [PMID: 32681766 DOI: 10.1002/pca.2972] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 06/01/2020] [Accepted: 06/11/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Mass spectrometry in natural products research has been used as a first step to identify possible chemical structures and to guide subsequent efforts to isolate novel compounds. Preparations of Ampelozizyphus amazonicus Ducke (AA) are known for their high content of saponins, especially dammarane-type triterpenoid aglycones. In the Amazon, where it is known as "saracura-mirá", roots and bark are widely used for the treatment and prevention of malaria, while the wood is discarded. The extract prepared from the wood is also saponin-rich, but its exact chemical composition has not been described. OBJECTIVE This study provides information on the chemical profiling and tentative structural identification of the major compounds (saponins) present in aqueous and ethanol extracts of bark and wood of AA by mass spectrometry. METHODS The strategy used to identify compounds present in all samples was ultra-high-performance liquid chromatography with an ultraviolet detector coupled to tandem mass spectrometry (UHPLC-UV-MS/MS) for the analysis of fragmentation patterns through product ion scan using MZmine 2 software. Also, direct sample injection and electrospray ionisation combined with high-resolution mass spectrometry (DI-ESI-HRMS) measurements were performed. RESULTS The extracts showed chemical similarity, and 95 saponins were tentatively identified in AA wood and bark, including 73 which are described for the first time as tentative structures for this plant species. CONCLUSION This research describes a useful method for the fast and simultaneous tentative identification of major saponins in AA, contributing to the study of the chemical properties of this genus and family. Furthermore, it demonstrates the importance of the qualitative dereplication process, allowing a straightforward way to propose the tentative identification of compounds.
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Affiliation(s)
- Simony C Mendonça
- Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Rosineide C Simas
- Departamento de Produtos Naturais e Alimentos, Faculdade de Farmácia Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | - Suzana G Leitão
- Departamento de Produtos Naturais e Alimentos, Faculdade de Farmácia Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Gilda G Leitão
- Instituto de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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48
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Walmsley SJ, Guo J, Murugan P, Weight CJ, Wang J, Villalta PW, Turesky RJ. Comprehensive Analysis of DNA Adducts Using Data-Independent wSIM/MS 2 Acquisition and wSIM-City. Anal Chem 2021; 93:6491-6500. [PMID: 33844920 PMCID: PMC8675643 DOI: 10.1021/acs.analchem.1c00362] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel software has been created to comprehensively characterize covalent modifications of DNA through mass spectral analysis of enzymatically hydrolyzed DNA using the neutral loss of 2'-deoxyribose, a nearly universal MS2 fragmentation process of protonated 2'-deoxyribonucleosides. These covalent modifications termed DNA adducts form through xenobiotic exposures or by reaction with endogenous electrophiles and can induce mutations during cell division and initiate carcinogenesis. DNA adducts are typically present at trace levels in the human genome, requiring a very sensitive and comprehensive data acquisition and analysis method. Our software, wSIM-City, was created to process mass spectral data acquired by a wide selected ion monitoring (wSIM) with gas-phase fractionation and coupled to wide MS2 fragmentation. This untargeted approach can detect DNA adducts at trace levels as low as 1.5 adducts per 109 nucleotides. This level of sensitivity is sufficient for comprehensive analysis and characterization of DNA modifications in human specimens.
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Affiliation(s)
- Scott J Walmsley
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, Minnesota, United States
- Institute of Health Informatics, University of Minnesota, Minneapolis 55455, Minnesota, United States
| | - Jingshu Guo
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, Minnesota, United States
- Department of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis 55455, Minnesota, United States
| | - Paari Murugan
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis 55455, Minnesota, United States
| | - Christopher J Weight
- Glickman Urologic and Kidney Institute, Cleveland Clinic, Cleveland 44125, Ohio, United States
- Case Comprehensive Cancer Center, Cleveland 44106, Ohio, United States
| | - Jinhua Wang
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, Minnesota, United States
- Institute of Health Informatics, University of Minnesota, Minneapolis 55455, Minnesota, United States
| | - Peter W Villalta
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, Minnesota, United States
- Department of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis 55455, Minnesota, United States
| | - Robert J Turesky
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, Minnesota, United States
- Department of Medicinal Chemistry, College of Pharmacy, University of Minnesota, Minneapolis 55455, Minnesota, United States
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nLossFinder-A Graphical User Interface Program for the Nontargeted Detection of DNA Adducts. TOXICS 2021; 9:toxics9040078. [PMID: 33916914 PMCID: PMC8067598 DOI: 10.3390/toxics9040078] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 11/16/2022]
Abstract
DNA adductomics is a relatively new omics approach aiming to measure known and unknown DNA modifications, called DNA adducts. Liquid chromatography–tandem mass spectrometry (LC-MS/MS) has become the most common method for analyzing DNA adducts. Recent advances in the field of mass spectrometry have allowed the possibility to perform a comprehensive analysis of adducts, for instance, by using a nontargeted data-independent acquisition method, with multiple precursor m/z windows as an inclusion list. However, the generated data are large and complex, and there is a need to develop algorithms to simplify and automate the time-consuming manual analysis that has hitherto been used. Here, a graphical user interface (GUI) program was developed, with the purpose of tracking a characteristic neutral loss reaction from tandem mass spectrometry of the nucleoside adducts. This program, called nLossFinder, was developed in the MATLAB platform, available as open-source code. Calf thymus DNA was used as a model for method optimization, and the overall adductomics approach was applied to DNA from amphipods (Monoporeia affinis) collected within the Swedish National Marine Monitoring Program. In the amphipod DNA, over 150 putative adducts were found in comparison to 18 using a manual approach in a previous study. The developed program can improve the processing time for large MS data, as it processes each sample in a few seconds, and hence can be applicable for high-throughput screening of adducts.
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50
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A Molecular Networking Strategy: High-Throughput Screening and Chemical Analysis of Brazilian Cerrado Plant Extracts against Cancer Cells. Cells 2021; 10:cells10030691. [PMID: 33804755 PMCID: PMC8004027 DOI: 10.3390/cells10030691] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 12/22/2022] Open
Abstract
Plants have historically been a rich source of successful anticancer drugs and chemotherapeutic agents, with research indicating that this trend will continue. In this contribution, we performed high-throughput cytotoxicity screening of 702 extracts from 95 plant species, representing 40 families of the Brazilian Cerrado biome. Activity was investigated against the following cancer cell lines: colon (Colo205 and Km12), renal (A498 and U031), liver (HEP3B and SKHEP), and osteosarcoma (MG63 and MG63.3). Dose-response tests were conducted with 44 of the most active extracts, with 22 demonstrating IC50 values ranging from <1.3 to 20 µg/mL. A molecular networking strategy was formulated using the Global Natural Product Social Molecular Networking (GNPS) platform to visualize, analyze, and annotate the compounds present in 17 extracts active against NCI-60 cell lines. Significant cytotoxic activity was found for Salacia crassifolia, Salacia elliptica, Simarouba versicolor, Diospyros hispida, Schinus terebinthifolia, Casearia sylvestris var. lingua, Magonia pubescens, and Rapanea guianensis. Molecular networking resulted in the annotation of 27 compounds. This strategy provided an initial overview of a complex and diverse natural product data set, yielded a large amount of chemical information, identified patterns and known compounds, and assisted in defining priorities for further studies.
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