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Silva de Freitas Cesário HP, das Chagas Lima Pinto F, Marques Canuto K, Rocha Silveira E, Veras Wilke D, Gois Ferreira E, Marques da Fonseca A, Alves de Vasconcelos M, Teixeira EH, Deusdênia Loiola Pessoa O. Further Polycyclic Quinones of Micromonospora sp. Chem Biodivers 2024:e202301771. [PMID: 38628065 DOI: 10.1002/cbdv.202301771] [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: 11/08/2023] [Accepted: 03/31/2024] [Indexed: 06/01/2024]
Abstract
The crude acetone extract of a marine Micromonospora sp. strain associated with Eudistoma vannnamei was fractioned with hexane and ethyl acetate. The crude extract and both soluble fractions were assayed against several bacteria strains. The new polycyclic quinones 12-hydroxy-9-propyltetracene-6,1-dione (1), 5,12-dihydroxy-4-methoxy-9-propyltetracene-5,12-dione (2), and 4,6-dihydroxy-3-methoxycarbonyl- methyl-6a-(oxobutyl)-5,12-anthraquinone (3), along with the known 4,6-dihydroxy-3-methoxycarbonyl-methyl-6a-(oxo-3-methyl-butyl)-5,12-anthraquinone (4) and 4,6-dihydroxy-3-methoxycarbonyl-methyl-6a-(oxopentyl)-5,12-anthraquinone (5) were isolated from the hexane-soluble fraction, while from the active ethyl acetate fraction were isolated the known 4,6,11-trihydroxy-9-propyltetracene-5,12-dione (6), 4-methoxy-9-propyltetracene-6,11-dione (7), 7,8,9,10-tetrahydro-9-hydroxy-4-methoxy-9-propyltetracene-6,11-dione (8), and 10β-carbomethoxy-7,8,9,10-tetrahydro-4,6,7α,9α,11-pentahydroxy-9-propyltetracene-5,12-dione (9). The structures of the new compounds were established by interpretation of HRMS and NMR techniques. A study of molecular docking was performed with the compounds from the active ethyl acetate fraction to correlate tentatively with the antimicrobial activity. Molecular docking, RMSD, RMSF, and MM-GBSA evaluations were performed to investigate the inhibitory activity of 6-8 against the protein PDB-codex 1MWT, being considered a promising target for studying drug development responsible for inhibiting replication of Staphylococcus aureus. Penicillin G was used as the standard inhibitory. Anthracyclinones 6-8 were the best hydrolase inhibitor with affinity energy -8.1 to -7.9 kcal/mol compared to penicillin G, which presented -6.9 kcal/mol. Both 8 and 7 present potent inhibitory effects against hydrolase through molecular dynamics simulation and exhibit favorable drug-like properties, promising new hydrolase blockers to fight bacterial infections from Staphylococcus aureus.
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Affiliation(s)
| | - Francisco das Chagas Lima Pinto
- Institute of Exact and Natural Sciences, University of International Integration of Afro-Brazilian Lusofonia, 62785-000, Acarape, CE, Brazil
| | | | - Ediberto Rocha Silveira
- Department of Organic and Inorganic Chemistry, Science Center, Federal University of Ceará, Fortaleza, CE, 60455-760, Brazil
| | - Diego Veras Wilke
- Department of Physiology and Pharmacology, Federal University of Ceará, 60165-085, Fortaleza, Ceará, Brazil
| | - Elthon Gois Ferreira
- Department of Physiology and Pharmacology, Federal University of Ceará, 60165-085, Fortaleza, Ceará, Brazil
| | - Aluísio Marques da Fonseca
- Institute of Exact and Natural Sciences, University of International Integration of Afro-Brazilian Lusofonia, 62785-000, Acarape, CE, Brazil
| | - Mayron Alves de Vasconcelos
- Integrated Laboratory of Biomolecules (LIBS), Department of Pathology and Legal Medicine, Federal University of Ceará, Fortaleza, CE, 62042-280, Brazil
- Faculty of Education of Itapipoca (FACEDI), State University of Ceará, Itapipoca, CE, 62500-000, Brazil
| | - Edson Holanda Teixeira
- Faculty of Education of Itapipoca (FACEDI), State University of Ceará, Itapipoca, CE, 62500-000, Brazil
| | - Otilia Deusdênia Loiola Pessoa
- Department of Organic and Inorganic Chemistry, Science Center, Federal University of Ceará, Fortaleza, CE, 60455-760, Brazil
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Paderog MJV, Suarez AFL, Sabido EM, Low ZJ, Saludes JP, Dalisay DS. Anthracycline Shunt Metabolites From Philippine Marine Sediment-Derived Streptomyces Destroy Cell Membrane Integrity of Multidrug-Resistant Staphylococcus aureus. Front Microbiol 2020; 11:743. [PMID: 32390983 PMCID: PMC7193051 DOI: 10.3389/fmicb.2020.00743] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 03/30/2020] [Indexed: 11/13/2022] Open
Abstract
The rise of antibiotic resistance (ABR) and the drying up of the pipeline for the development of new antibiotics demands an urgent search for new antibiotic leads. While the majority of clinically available antibiotics were discovered from terrestrial Streptomyces, related species from marine sediments as a source of antibiotics remain underexplored. Here, we utilized culture-dependent isolation of thirty-five marine sediment-derived actinobacterial isolates followed by a screening of their antibacterial activity against multidrug-resistant S. aureus ATCC BAA-44. Our results revealed that the crude extract of Streptomyces griseorubens strain DSD069 isolated from marine sediments collected in Romblon, Philippines displays the highest antibacterial activity, with 96.4% growth inhibition. The S. aureus ATCC BAA-44 cells treated with crude extract of Streptomyces griseorubens strain DSD069 showed cell membrane damage as demonstrated by (a) leakage and loss of vital cell constituents, including DNA and proteins, (b) irregular shrinkage of cells, and (c) increase membrane permeability. The antibiotic compounds were identified as Bisanhydroaklavinone and 1-Hydroxybisanhydroaklavinone with MIC value of 6.25 μg/mL and 50.00 μg/mL, respectively. Bisanhydroaklavinone and 1-Hydroxybisanhydroaklavinone are shunt metabolites in the biosynthesis of anticancer anthracycline derivatives namely doxorubicin, daunorubicin, and cinerubins. It is rare, however, that shunt metabolites are accumulated during fermentation of marine sediment-derived Streptomyces strain without genetic modification. Thus, our study provides evidence that natural bacterial strain can produce Bisanhydroaklavinone and 1-Hydroxybisanhydroaklavinone as antibiotic leads to combat ABR.
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Affiliation(s)
- Melissa June V Paderog
- Department of Pharmacy, College of Health and Allied Medical Professions, University of San Agustin, Iloilo City, Philippines.,Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City, Philippines
| | - Angelica Faith L Suarez
- Center for Natural Drug Discovery and Development (CND3), University of San Agustin, Iloilo City, Philippines
| | - Edna M Sabido
- Center for Natural Drug Discovery and Development (CND3), University of San Agustin, Iloilo City, Philippines
| | | | - Jonel P Saludes
- Center for Natural Drug Discovery and Development (CND3), University of San Agustin, Iloilo City, Philippines.,Department of Chemistry, College of Liberal Arts, Sciences, and Education, University of San Agustin, Iloilo City, Philippines.,Balik Scientist Program, Philippine Council for Health Research and Development, Department of Science and Technology, Taguig, Philippines
| | - Doralyn S Dalisay
- Center for Chemical Biology and Biotechnology (C2B2), University of San Agustin, Iloilo City, Philippines.,Balik Scientist Program, Philippine Council for Health Research and Development, Department of Science and Technology, Taguig, Philippines.,Department of Biology, College of Liberal Arts, Sciences, and Education, University of San Agustin, Iloilo City, Philippines
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Huang Z, Nong X, Ren Z, Wang J, Zhang X, Qi S. Anti-HSV-1, antioxidant and antifouling phenolic compounds from the deep-sea-derived fungus Aspergillus versicolor SCSIO 41502. Bioorg Med Chem Lett 2017. [DOI: 10.1016/j.bmcl.2017.01.032 pmid: 281299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Huang Z, Nong X, Ren Z, Wang J, Zhang X, Qi S. Anti-HSV-1, antioxidant and antifouling phenolic compounds from the deep-sea-derived fungus Aspergillus versicolor SCSIO 41502. Bioorg Med Chem Lett 2017; 27:787-791. [DOI: 10.1016/j.bmcl.2017.01.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 01/09/2017] [Accepted: 01/11/2017] [Indexed: 02/03/2023]
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Sousa TDS, Jimenez PC, Ferreira EG, Silveira ER, Braz-Filho R, Pessoa ODL, Costa-Lotufo LV. Anthracyclinones from Micromonospora sp. JOURNAL OF NATURAL PRODUCTS 2012; 75:489-493. [PMID: 22250891 DOI: 10.1021/np200795p] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Four new anthracyclinones, 4,6,11-trihydroxy-9-propyltetracene-5,12-dione (1), 1-methoxy-9-propyltetracene-6,11-dione (2), 7,8,9,10-tetrahydro-9-hydroxy-1-methoxy-9-propyltetracene-6,11-dione (3), and 10β-carbomethoxy-7,8,9,10-tetrahydro-4,6,7α,9α,11-pentahydroxy-9-propyltetracene-5,12-dione (4), were isolated from a strain of Micromonospora sp. associated with the tunicate Eudistoma vannamei. All structures were established by 1D and 2D NMR (COSY, HSQC, HMBC, NOESY) and HRESIMS experiments. Compounds 1 and 4 were cytotoxic against the HCT-8 human colon adenocarcinoma cell line, with IC(50) values of 12.7 and 6.2 μM, respectively, while compounds 2 and 3 were inactive.
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Affiliation(s)
- Thiciana da S Sousa
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará, Fortaleza, CE, 60.021-970, Brazil
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Schneemann I, Nagel K, Kajahn I, Labes A, Wiese J, Imhoff JF. Comprehensive investigation of marine Actinobacteria associated with the sponge Halichondria panicea. Appl Environ Microbiol 2010; 76:3702-14. [PMID: 20382810 PMCID: PMC2876447 DOI: 10.1128/aem.00780-10] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2010] [Accepted: 04/01/2010] [Indexed: 11/20/2022] Open
Abstract
Representatives of Actinobacteria were isolated from the marine sponge Halichondria panicea collected from the Baltic Sea (Germany). For the first time, a comprehensive investigation was performed with regard to phylogenetic strain identification, secondary metabolite profiling, bioactivity determination, and genetic exploration of biosynthetic genes, especially concerning the relationships of the abundance of biosynthesis gene fragments to the number and diversity of produced secondary metabolites. All strains were phylogenetically identified by 16S rRNA gene sequence analyses and were found to belong to the genera Actinoalloteichus, Micrococcus, Micromonospora, Nocardiopsis, and Streptomyces. Secondary metabolite profiles of 46 actinobacterial strains were evaluated, 122 different substances were identified, and 88 so far unidentified compounds were detected. The extracts from most of the cultures showed biological activities. In addition, the presence of biosynthesis genes encoding polyketide synthases (PKSs) and nonribosomal peptide synthetases (NRPSs) in 30 strains was established. It was shown that strains in which either PKS or NRPS genes were identified produced a significantly higher number of metabolites and exhibited a larger number of unidentified, possibly new metabolites than other strains. Therefore, the presence of PKS and NRPS genes is a good indicator for the selection of strains to isolate new natural products.
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Affiliation(s)
- Imke Schneemann
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Kerstin Nagel
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Inga Kajahn
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Antje Labes
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Jutta Wiese
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
| | - Johannes F. Imhoff
- Kieler Wirkstoff-Zentrum (KiWiZ) at the Leibniz Institute of Marine Sciences (IFM-GEOMAR), Am Kiel-Kanal 44, 24106 Kiel, Germany
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Clark BR, Capon RJ, Lacey E, Tennant S, Gill JH. Citrinin revisited: from monomers to dimers and beyond. Org Biomol Chem 2006; 4:1520-8. [PMID: 16604220 DOI: 10.1039/b600960c] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Detailed chemical analysis of the solid phase fermentation of an Australian Penicillium citrinum isolate has returned the known compounds citrinin (1), phenol A acid (6), dihydrocitrinone (7) and dihydrocitrinin (8), together with a novel cytotoxic dimer, dicitrinin A (5). Dicitrinin A (5) was determined to be a dimerised artefact of the major co-metabolite citrinin, and its structure solved by spectroscopic analysis and chemical modification. Analysis of the products encountered during the controlled decomposition of citrinin led to the discovery of additional citrinin dimers and delineated a plausible mechanistic pathway linking all monomeric and dimeric citrinin degradation products.
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Affiliation(s)
- Benjamin R Clark
- Centre for Molecular Biodiversity, Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
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Clark B, Capon RJ, Lacey E, Tennant S, Gill JH. Quinolactacins revisited: from lactams to imide and beyond. Org Biomol Chem 2006; 4:1512-9. [PMID: 16604219 DOI: 10.1039/b600959j] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemical analysis of a solid phase fermentation of an Australian Penicillium citrinum strain has returned all known examples of a rare class of N-methyl quinolone lactams, quinolactacins A2 (1), B2 (2), C2 (3) and A1 (4), together with the new quinolactacins B1 (5), C1 (6), D1 (7) and D2 (8), and the novel derivatives quinolonimide (9) and quinolonic acid (10). Complete stereostructures were assigned to all these compounds by detailed spectroscopic analysis and chemical interconversion. Carefully controlled and monitored decomposition studies have confirmed that quinolactacins readily undergo C-3 epimerization and oxidation, and under appropriate conditions convert to quinolonimide and quinolonic acid. Mechanisms for key transformations are proposed. The decomposition studies suggested that only quinolactacins A2 (1) and B2 (2) are genuine natural products, with all other isolated compounds being decomposition artefacts. Quinolactacins C1 (6), C2 (3), and the racemic mixture of quinolactacins D1/D2 (8/7) all displayed notable cytotoxic activity.
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Affiliation(s)
- Ben Clark
- Centre for Molecular Biodiversity, Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
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Clark B, Capon RJ, Lacey E, Tennant S, Gill JH. Roquefortine E, a diketopiperazine from an Australian isolate of Gymnoascus reessii. JOURNAL OF NATURAL PRODUCTS 2005; 68:1661-4. [PMID: 16309319 DOI: 10.1021/np0503101] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The new isoprenylated diketopiperazine roquefortine E (6) has been isolated from an Australian soil isolate of the ascomycete Gymnoascus reessii. The known fungal metabolite roquefortine C (1) was also recovered as the major antibacterial principle, and all structures were assigned by detailed spectroscopic analysis.
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Affiliation(s)
- Ben Clark
- Centre for Molecular Biodiversity, Institute for Molecular Bioscience, University of Queensland, St. Lucia, Queensland 4072, Australia
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Clark B, Capon RJ, Lacey E, Tennant S, Gill JH, Bulheller B, Bringmann G. Gymnoascolides A-C: aromatic butenolides from an Australian isolate of the soil ascomycete Gymnoascus reessii. JOURNAL OF NATURAL PRODUCTS 2005; 68:1226-30. [PMID: 16124766 DOI: 10.1021/np050145p] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Three new aromatic butenolides, gymnoascolides A-C (1-3), have been isolated from the Australian soil ascomycete Gymnoascus reessii and assigned structures on the basis of detailed spectroscopic analysis. The absolute configurations of gymnoascolides B (2) and C (3) at C-5 were solved using a combination of chemical derivatization and quantum chemical simulations.
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Affiliation(s)
- Ben Clark
- Centre for Molecular Biodiversity, Institute for Molecular Biosciences, University of Queensland, St. Lucia, Queensland 4072, Australia
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