1
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Hemmerling F, Meoded RA, Fraley AE, Minas HA, Dieterich CL, Rust M, Ueoka R, Jensen K, Helfrich EJN, Bergande C, Biedermann M, Magnus N, Piechulla B, Piel J. Modular Halogenation, α-Hydroxylation, and Acylation by a Remarkably Versatile Polyketide Synthase. Angew Chem Int Ed Engl 2022; 61:e202116614. [PMID: 35020279 DOI: 10.1002/anie.202116614] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 12/14/2022]
Abstract
Bacterial multimodular polyketide synthases (PKSs) are large enzymatic assembly lines that synthesize many bioactive natural products of therapeutic relevance. While PKS catalysis is mostly based on fatty acid biosynthetic principles, polyketides can be further diversified by post-PKS enzymes. Here, we characterized a remarkably versatile trans-acyltransferase (trans-AT) PKS from Serratia that builds structurally complex macrolides via more than ten functionally distinct PKS modules. In the oocydin PKS, we identified a new oxygenation module that α-hydroxylates polyketide intermediates, a halogenating module catalyzing backbone γ-chlorination, and modular O-acetylation by a thioesterase-like domain. These results from a single biosynthetic assembly line highlight the expansive biochemical repertoire of trans-AT PKSs and provide diverse modular tools for engineered biosynthesis from a close relative of E. coli.
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Affiliation(s)
- Franziska Hemmerling
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Roy A Meoded
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Amy E Fraley
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Hannah A Minas
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Cora L Dieterich
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Michael Rust
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Reiko Ueoka
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland.,School of Marine Bioscience, Kitasato University, 1-15-1, Kitazato, Minami-ku, Sagamirhara-shi Kanagawa, 252-0373, Japan
| | - Katja Jensen
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Eric J N Helfrich
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland.,Institute of Molecular Bio Science, Goethe University Frankfurt, Max-von-Laue-Str. 9, 60438, Frankfurt am Main, Germany.,LOEWE Center for Translational Biodiversity Genomics (TBG), Senckenberganlage 25, 60325, Frankfurt am Main, Germany
| | - Cedric Bergande
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Maurice Biedermann
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
| | - Nancy Magnus
- Institute for Biological Sciences, University of Rostock, Albert-Einstein-Straße 3, 18059, Rostock, Germany
| | - Birgit Piechulla
- Institute for Biological Sciences, University of Rostock, Albert-Einstein-Straße 3, 18059, Rostock, Germany
| | - Jörn Piel
- Institute of Microbiology, Eidgenössische Technische Hochschule (ETH) Zurich, Vladimir-Prelog-Weg 4, 8093, Zurich, Switzerland
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2
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Modular Halogenation, α‐Hydroxylation, and Acylation by a Remarkably Versatile Polyketide Synthase. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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3
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Shang Y, Wang J, Ying J, Wu X. Palladium‐Catalyzed Carbonylative Synthesis of 1‐Acyl‐1,5‐dihydro‐2
H
‐pyrrol‐2‐ones from Propargyl Amines and Acid Chlorides. ChemistrySelect 2021. [DOI: 10.1002/slct.202103481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yan Shang
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Jian‐Shu Wang
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Jun Ying
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Xiao‐Feng Wu
- Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences 116023 Dalian Liaoning
- Leibniz-Institut für Katalyse e. V. Albert-Einstein-Straβe 29a 18059 Rostock
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4
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Kum E, İnce E. Genome-guided investigation of secondary metabolites produced by a potential new strain Streptomyces BA2 isolated from an endemic plant rhizosphere in Turkey. Arch Microbiol 2021; 203:2431-2438. [PMID: 33666690 DOI: 10.1007/s00203-021-02210-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/16/2020] [Accepted: 02/09/2021] [Indexed: 02/07/2023]
Abstract
Terrestrial actinomycetes are the important sources of secondary metabolites that serve as a major source of drugs. Recent advances in genome mining have revealed that Streptomyces genomes have a wide range of undiscovered secondary metabolite biosynthetic gene clusters. In the present study, genome mining was employed to discover biosynthetic potential of plant-associated strain Streptomyces BA2. Based on 16S rRNA gene sequencing, this strain was found to be closely related to Streptomyces durmitorensis, Streptomyces alboniger, and Streptomyces kanamyceticus with similarity of 99.71%, 99.64%, and 99.56%, respectively. The genome of BA2 contained 10.043.478 base pairs with G + C content of 69.92%. The annotation results revealed the presence of 9.056 protein coding genes, 88 tRNA and 18 rRNA genes. The dDDH and ANI values of genome sequences between strain BA2 and closely related type strains were considerably lower than the recommended threshold values. A total of 33 secondary metabolite biosynthetic gene clusters responsible for the biosynthesis of known and/or novel secondary metabolites, including non-ribosomal peptides, polyketides, terpenes, siderophores, bacteriocins, ectoines, and lassopeptides were identified. Metabolic profiling of Streptomyces sp. BA2 grown in three different culture media was determined by a non-targeted LC-MS/MS approach coupled with spectral networking. Significant bioactive natural products such as actinomycin D, desferrioxamine E, malyngamide K, and bouillonamide B were detected. Malyngamide K and bouillonamide B, known as marine cyanobacterial-derived compounds, were first reported from a Streptomyces strain in this study. Our study demonstrated the potentially novel strain Streptomyces sp. BA2 as a valuable source of new bioactive secondary metabolites.
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Affiliation(s)
- Ekrem Kum
- Institute of Natural and Applied Science, Dicle University, Diyarbakır, Turkey
| | - Ebru İnce
- Department of Biology, Faculty of Science, Dicle University, Diyarbakır, Turkey.
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5
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Le Z, Zhu Y, Bao Z, Ying J, Wu X. Palladium‐Catalyzed Carbonylative Synthesis of 1,5‐Dihydro‐2
H
‐pyrrol‐2‐ones from Propargyl Amines and Benzyl Chlorides. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhengjie Le
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Yiwen Zhu
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Zhi‐Peng Bao
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Jun Ying
- Department of Chemistry Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province Zhejiang Sci-Tech University Hangzhou 310018
| | - Xiao‐Feng Wu
- Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences 116023 Dalian Liaoning People's Republic of China
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock Albert-Einstein-Straβe 29a 18059 Rostock Germany
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6
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Shih CY, Chang TT, Chen CL, Li WS. Antiangiogenic Effect of Isomalyngamide A Riboside CY01 in Breast Cancer Cells via Inhibition of Migration, Tube Formation and pVEGFR2/pAKT Signals. Anticancer Agents Med Chem 2021; 20:386-399. [PMID: 31629398 DOI: 10.2174/1871520619666191019123244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 07/05/2019] [Accepted: 08/16/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND To block the metastatic and angiogenic pathways during the tumor progression arouses considerable pharmacological interests in the development of anticancer drugs. OBJECTIVE To develop alternative antiangiogenic and antimetastic agents, we designed and prepared a series of nature inspired isomalyngamide A analogs containing ribose conjugate with 1,2-diaminoethane or 1,3- diaminopropane linkers (1-8). METHODS The target glycosylated isomalyngamide A analogs 1-8 were constructed through condensation of the malonic acids 16-19 and the corresponding aminoethoxyl ribosides 20 and 21, using HBTU/DIPEA as the coupling agent. The cell growth inhibition assay, cell migration assay, transwell invasion assay, adhesion assay, tube formation assay and western blot analysis were used to validate the biological actions of compounds. RESULTS The most effective compound, isomalyngamide A riboside 1 (CY01), possessing a D-ribose core structure and a 1,3-diaminopropane linker, showed significant suppression of MDA-MB-231 cell migration and inhibited tube formation of Human Umbilical Vascular Endothelial Cells (HUVECs) in a dose-dependent manner. Effect of the latter is comparable to that of sorafenib, an orally active multikinase inhibitor and an inhibitor of angiogenesis. CY01 also showed slight inhibition on collagen type IV- and laminin-mediated cell adhesion. These actions may be regulated through the blockade of the VEGF/VEGFR2 signaling pathway by inhibiting the VEGF induced phosphorylation of p-VEGFR2 and p-AKT. CONCLUSION In this effort, we have discovered synthetic and glycosylated marine metabolites which may serve as an alternative antiangiogenic and antimetastic agent during multitherapy.
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Affiliation(s)
- Ching-Ying Shih
- Department of Chemistry, National Central University, Taoyuan City 32001, Taiwan.,Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Tzu-Ting Chang
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Chia-Ling Chen
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Wen-Shan Li
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan.,Doctoral Degree Program in Marine Biotechnology, National Sun Yat-Sen University, Kaohsiung 804, Taiwan.,Ph.D Program in Biotechnology Research and Development, College of Pharmacy, Taipei Medical University, Taipei 110, Taiwan.,Department of Medicinal and Applied Chemistry, College of Life Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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7
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Gutiérrez-Del-Río I, Brugerolle de Fraissinette N, Castelo-Branco R, Oliveira F, Morais J, Redondo-Blanco S, Villar CJ, Iglesias MJ, Soengas R, Cepas V, Cubillos YL, Sampietro G, Rodolfi L, Lombó F, González SMS, López Ortiz F, Vasconcelos V, Reis MA. Chlorosphaerolactylates A-D: Natural Lactylates of Chlorinated Fatty Acids Isolated from the Cyanobacterium Sphaerospermopsis sp. LEGE 00249. JOURNAL OF NATURAL PRODUCTS 2020; 83:1885-1890. [PMID: 32479093 DOI: 10.1021/acs.jnatprod.0c00072] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Four natural lactylates of chlorinated fatty acids, chlorosphaerolactylates A-D (1-4), were isolated from the methanolic extract of the cyanobacterium Sphaerospermopsis sp. LEGE 00249 through a combination of bioassay-guided and MS-guided approaches. Compounds 1-4 are esters of (mono-, di-, or tri)chlorinated lauric acid and lactic acid, whose structures were assigned on the basis of spectrometric and spectroscopic methods inclusive of 1D and 2D NMR experiments. High-resolution mass-spectrometry data sets also demonstrated the existence of other minor components that were identified as chlorosphaero(bis)lactylate analogues. The chlorosphaerolactylates were tested for potential antibacterial, antifungal, and antibiofilm properties using bacterial and fungal clinical isolates. Compounds 1-4 showed a weak inhibitory effect on the growth of Staphylococcus aureus S54F9 and Candida parapsilosis SMI416, as well as on the biofilm formation of coagulase-negative Staphylococcus hominis FI31.
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Affiliation(s)
- Ignacio Gutiérrez-Del-Río
- Departamento de Biología Funcional), IUOPA (Instituto Universitario de Oncología del Principado de Asturias), IISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Research Unit "Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC", Universidad de Oviedo (Área de Microbiología, 3, Oviedo, Spain
| | - Nelly Brugerolle de Fraissinette
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Raquel Castelo-Branco
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Flavio Oliveira
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - João Morais
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
| | - Saúl Redondo-Blanco
- Departamento de Biología Funcional), IUOPA (Instituto Universitario de Oncología del Principado de Asturias), IISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Research Unit "Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC", Universidad de Oviedo (Área de Microbiología, 3, Oviedo, Spain
| | - Claudio J Villar
- Departamento de Biología Funcional), IUOPA (Instituto Universitario de Oncología del Principado de Asturias), IISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Research Unit "Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC", Universidad de Oviedo (Área de Microbiología, 3, Oviedo, Spain
| | - María José Iglesias
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Ctra. Sacramento s/n, 04120, Almería, Spain
| | - Raquel Soengas
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Ctra. Sacramento s/n, 04120, Almería, Spain
| | - Virginio Cepas
- ISGlobal, Hospital Clínic, Universitat de Barcelona, 08036, Barcelona, Spain
| | - Yuly López Cubillos
- ISGlobal, Hospital Clínic, Universitat de Barcelona, 08036, Barcelona, Spain
| | - Giacomo Sampietro
- Fotosintetica & Microbiologica S.r.l., Via dei Della Robbia 54, 50132 Firenze, Italy
| | - Liliana Rodolfi
- Fotosintetica & Microbiologica S.r.l., Via dei Della Robbia 54, 50132 Firenze, Italy
| | - Felipe Lombó
- Departamento de Biología Funcional), IUOPA (Instituto Universitario de Oncología del Principado de Asturias), IISPA (Instituto de Investigación Sanitaria del Principado de Asturias), Research Unit "Biotechnology in Nutraceuticals and Bioactive Compounds-BIONUC", Universidad de Oviedo (Área de Microbiología, 3, Oviedo, Spain
| | | | - Fernando López Ortiz
- Área de Química Orgánica, Research Centre CIAIMBITAL, Universidad de Almería, Ctra. Sacramento s/n, 04120, Almería, Spain
| | - Vitor Vasconcelos
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
- Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, Edifício FC4, 4169-007 Porto, Portugal
| | - Mariana A Reis
- Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, University of Porto, 4450-208 Matosinhos, Portugal
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8
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Xu J, Zhang T, Yao J, Lu J, Liu Z, Ding L. Recent advances in chemistry and bioactivity of marine cyanobacteria Moorea species. Eur J Med Chem 2020; 201:112473. [PMID: 32652435 DOI: 10.1016/j.ejmech.2020.112473] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 12/27/2022]
Abstract
Cyanobacteria are one of the oldest creatures on earth, originated 3.5-3.3 billion years ago, and are distributed all over the world, including freshwater ponds and lakes, hot springs, and polar ice, especially in tropical and subtropical marine locations. Due to their large multimodular non-ribosomal peptide synthetases (NRPS) and polyketide synthases (PKS) biosynthetic machinery, cyanobacteria have represented a significant new source of structurally bioactive secondary metabolites. Moorea as a prolific producer have yielded lots of natural products with a variety of bioactivities such as highly cytotoxicity, anticancer activity, ion channel blocking activity, brine shrimp toxicity and other activities. Some of secondary metabolites have been identified as potential lead compounds for the development of anticancer agents. In this review, a total of 111 bioactive marine cyanobacterial secondary metabolites from the genus Moorea, published in the 54 literatures updated to the middle of 2019 and some synthetic analogues, are discussed with emphasis on their structures and biological activities.
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Affiliation(s)
- Jianzhou Xu
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China
| | - Ting Zhang
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China
| | - Jiaxiao Yao
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China
| | - Jian Lu
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China
| | - Zhiwen Liu
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China
| | - Lijian Ding
- Li Dak Sum Yip Yio Chin Kenneth Li Marine Biopharmaceutical Research Center, Department of Marine Pharmacy, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315832, China.
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9
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The Biological and Chemical Diversity of Tetramic Acid Compounds from Marine-Derived Microorganisms. Mar Drugs 2020; 18:md18020114. [PMID: 32075282 PMCID: PMC7074263 DOI: 10.3390/md18020114] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/12/2020] [Accepted: 02/14/2020] [Indexed: 12/25/2022] Open
Abstract
Tetramic acid (pyrrolidine-2,4-dione) compounds, isolated from a variety of marine and terrestrial organisms, have attracted considerable attention for their diverse, challenging structural complexity and promising bioactivities. In the past decade, marine-derived microorganisms have become great repositories of novel tetramic acids. Here, we discuss the biological activities of 277 tetramic acids of eight classifications (simple 3-acyl tetramic acids, 3-oligoenoyltetramic acids, 3-decalinoyltetramic acid, 3-spirotetramic acids, macrocyclic tetramic acids, N-acylated tetramic acids, α-cyclopiazonic acid-type tetramic acids, and other tetramic acids) from marine-derived microbes, including fungi, actinobacteria, bacteria, and cyanobacteria, as reported in 195 research studies up to 2019.
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10
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Ying J, Le Z, Bao ZP, Wu XF. Palladium-catalyzed double carbonylation of propargyl amines and aryl halides to access 1-aroyl-3-aryl-1,5-dihydro-2H-pyrrol-2-ones. Org Chem Front 2020. [DOI: 10.1039/d0qo00007h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A palladium-catalyzed carbonylative procedure for the synthesis of 1-aroyl-3-aryl-1,5-dihydro-2H-pyrrol-2-ones from propargyl amines and aryl halides with TFBen as the CO source has been developed.
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Affiliation(s)
- Jun Ying
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- People's Republic of China
| | - Zhengjie Le
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- People's Republic of China
| | - Zhi-Peng Bao
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- People's Republic of China
| | - Xiao-Feng Wu
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- People's Republic of China
- Leibniz-Institut für Katalyse e. V. an der Universität Rostock
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11
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Vijayakumar S, Manogar P, Prabhu S, Pugazhenthi M, Praseetha PK. A pharmacoinformatic approach on Cannabinoid receptor 2 (CB2) and different small molecules: Homology modelling, molecular docking, MD simulations, drug designing and ADME analysis. Comput Biol Chem 2018; 78:95-107. [PMID: 30500557 DOI: 10.1016/j.compbiolchem.2018.11.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 11/14/2018] [Accepted: 11/16/2018] [Indexed: 11/20/2022]
Abstract
CB2 receptor belongs to the family of G-protein coupled receptors (GPCRs), which extensively controls a range of pointer transduction. CB2 plays an essential role in the immune system. It also associates in the pathology of different ailment conditions. In this scenario, the synthetic drugs are inducing side effects to the human beings after the drug use. Therefore, this study is seeking novel alternate drug molecules with least side effects than conventional drugs. The alternative drug molecules were chosen from the natural sources. These molecules were selected from cyanobacteria with the help of earlier research findings. The target and ligand molecules were obtained from recognized databases. The bioactive molecules are selected from various cyanobacterial species, which are selected by their biological and pharmacological properties, after, which we incorporated to the crucial findings such as homology modelling, molecular docking, MD simulations along with absorption, distribution, metabolism, and excretion (ADME) analysis. Initially, the homology modelling was performed to frame the target from unknown sequences of CB2, which revealed 44% of similarities and 66% of identities with the A2A receptor. Subsequently, the CB2 protein molecule has docked with already known and prepared bioactive molecules, agonists and antagonist complex. In the present study, the agonists (5) and antagonist (1) were also taken for comparing the results with natural molecules. At the end of the docking analysis, the cyanobacterial molecules and an antagonist TNC-201 are revealed better docking scores with well binding contacts than the agonists. Especially, the usneoidone shows better results than other cyanobacterial molecules, and it is very close docking scores with that of TCN-201. Therefore, the usneoidone has incorporated to MD simulation with Cannabinoid receptors 2 (CB2). In MD simulations, the complex (CB2 and usneoidone) reveals better stability in 30 ns. Based on the computational outcome, we concluded that usneoidone is an effectual and appropriate drug candidate for activating CB2 receptors and it will be serving as a better component for the complications of CB2. Moreover, these computational approaches can be motivated to discover novel drug candidates in the pharmacological and healthcare sectors.
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Affiliation(s)
- S Vijayakumar
- Computational Phytochemistry Lab, Department of Botany and Microbiology, AVVM Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamil Nadu, India.
| | - P Manogar
- Computational Phytochemistry Lab, Department of Botany and Microbiology, AVVM Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamil Nadu, India
| | - S Prabhu
- Computational Phytochemistry Lab, Department of Botany and Microbiology, AVVM Sri Pushpam College (Autonomous), Poondi, Thanjavur, Tamil Nadu, India
| | - M Pugazhenthi
- Department of Chemistry, AVVM Sri Pushpam College (Autonomous) Poondi, Thanjavur (Dist), Tamil Nadu, India
| | - P K Praseetha
- Department of Nanotechnology Noorul Islam Centre for Higher Education Kumaracoil, Kanyakumari district Tamil Nadu, 629180, India
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12
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Via CW, Glukhov E, Costa S, Zimba PV, Moeller PDR, Gerwick WH, Bertin MJ. The Metabolome of a Cyanobacterial Bloom Visualized by MS/MS-Based Molecular Networking Reveals New Neurotoxic Smenamide Analogs (C, D, and E). Front Chem 2018; 6:316. [PMID: 30094232 PMCID: PMC6071517 DOI: 10.3389/fchem.2018.00316] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/09/2018] [Indexed: 11/29/2022] Open
Abstract
Members of the cyanobacterial genus Trichodesmium are well known for their substantial impact on nitrogen influx in ocean ecosystems and the enormous surface blooms they form in tropical and subtropical locations. However, the secondary metabolite composition of these complex environmental bloom events is not well known, nor the possibility of the production of potent toxins that have been observed in other bloom-forming marine and freshwater cyanobacteria species. In the present work, we aimed to characterize the metabolome of a Trichodesmium bloom utilizing MS/MS-based molecular networking. Furthermore, we integrated cytotoxicity assays in order to identify and ultimately isolate potential cyanotoxins from the bloom. These efforts led to the isolation and identification of several members of the smenamide family, including three new smenamide analogs (1-3) as well as the previously reported smenothiazole A-hybrid polyketide-peptide compounds. Two of these new smenamides possessed cytotoxicity to neuro-2A cells (1 and 3) and their presence elicits further questions as to their potential ecological roles. HPLC profiling and molecular networking of chromatography fractions from the bloom revealed an elaborate secondary metabolome, generating hypotheses with respect to the environmental role of these metabolites and the consistency of this chemical composition across genera, space and time.
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Affiliation(s)
- Christopher W. Via
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI, United States
| | - Evgenia Glukhov
- Center for Marine Biotechnology and Biomedicine, Skaggs School of Pharmacy and Pharmaceutical Sciences, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA, United States
| | - Samuel Costa
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI, United States
| | - Paul V. Zimba
- Center for Coastal Studies and Department of Life Sciences, Texas A&M Corpus Christi, Corpus Christi, TX, United States
| | - Peter D. R. Moeller
- Emerging Toxins Program, Hollings Marine Laboratory, National Ocean Service/NOAA, Charleston, SC, United States
| | - William H. Gerwick
- Center for Marine Biotechnology and Biomedicine, Skaggs School of Pharmacy and Pharmaceutical Sciences, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA, United States
| | - Matthew J. Bertin
- Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI, United States
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13
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Gao YR, Wang YQ. Cannabinomimetric Lipids: From Natural Extract to Artificial Synthesis. NATURAL PRODUCTS AND BIOPROSPECTING 2018; 8:1-21. [PMID: 29340966 PMCID: PMC5803146 DOI: 10.1007/s13659-017-0151-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 12/28/2017] [Indexed: 06/07/2023]
Abstract
Endocannabinoid system is related with various physiological and cognitive processes including fertility, pregnancy, during pre- and postnatal development, pain-sensation, mood, appetite, and memory. In the latest decades, an important milestone concerning the endocannabinoid system was the discovery of the existence of the cannabinoid receptors CB1 and CB2. Anandamide was the first reported endogenous metabolite, which adjusted the release of some neurotransmitters through binding to the CB1 or CB2 receptors. Then a series of cannabinomimetric lipids were extracted from marine organisms, which possessed similar structure with anandamide. This review will provide a short account about cannabinomimetric lipids for their extraction and synthesis.
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Affiliation(s)
- Ya-Ru Gao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an, 710069, People's Republic of China
| | - Yong-Qiang Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi'an, 710069, People's Republic of China.
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14
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Gogineni V, Hamann MT. Marine natural product peptides with therapeutic potential: Chemistry, biosynthesis, and pharmacology. Biochim Biophys Acta Gen Subj 2018; 1862:81-196. [PMID: 28844981 PMCID: PMC5918664 DOI: 10.1016/j.bbagen.2017.08.014] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 08/07/2017] [Accepted: 08/09/2017] [Indexed: 12/21/2022]
Abstract
The oceans are a uniquely rich source of bioactive metabolites, of which sponges have been shown to be among the most prolific producers of diverse bioactive secondary metabolites with valuable therapeutic potential. Much attention has been focused on marine bioactive peptides due to their novel chemistry and diverse biological properties. As summarized in this review, marine peptides are known to exhibit various biological activities such as antiviral, anti-proliferative, antioxidant, anti-coagulant, anti-hypertensive, anti-cancer, antidiabetic, antiobesity, and calcium-binding activities. This review focuses on the chemistry and biology of peptides isolated from sponges, bacteria, cyanobacteria, fungi, ascidians, and other marine sources. The role of marine invertebrate microbiomes in natural products biosynthesis is discussed in this review along with the biosynthesis of modified peptides from different marine sources. The status of peptides in various phases of clinical trials is presented, as well as the development of modified peptides including optimization of PK and bioavailability.
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Affiliation(s)
- Vedanjali Gogineni
- Department of BioMolecular Sciences, Division of Medicinal Chemistry, School of Pharmacy, The University of Mississippi, University, MS, United States.
| | - Mark T Hamann
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy and Public Health Sciences, Medical University of South Carolina, Charleston, SC, United States.
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15
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Masschelein J, Jenner M, Challis GL. Antibiotics from Gram-negative bacteria: a comprehensive overview and selected biosynthetic highlights. Nat Prod Rep 2017. [PMID: 28650032 DOI: 10.1039/c7np00010c] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Covering: up to 2017The overwhelming majority of antibiotics in clinical use originate from Gram-positive Actinobacteria. In recent years, however, Gram-negative bacteria have become increasingly recognised as a rich yet underexplored source of novel antimicrobials, with the potential to combat the looming health threat posed by antibiotic resistance. In this article, we have compiled a comprehensive list of natural products with antimicrobial activity from Gram-negative bacteria, including information on their biosynthetic origin(s) and molecular target(s), where known. We also provide a detailed discussion of several unusual pathways for antibiotic biosynthesis in Gram-negative bacteria, serving to highlight the exceptional biocatalytic repertoire of this group of microorganisms.
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Affiliation(s)
- J Masschelein
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - M Jenner
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - G L Challis
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
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16
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Jiang W, Zhou W, Othman R, Uchida H, Watanabe R, Suzuki T, Sakamoto B, Nagai H. A new malyngamide from the marine cyanobacterium Moorea producens. Nat Prod Res 2017; 32:97-104. [PMID: 28595450 DOI: 10.1080/14786419.2017.1338282] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A new malyngamide (1) was isolated along with seven known compounds (2-8) from the marine cyanobacterium Moorea producens collected in Hawaii. Compound 1 represented the first reported malyngamide with a hydroxy moiety at C-7 of the characteristic fatty acid portion of the compound. Compound 1 showed cytotoxicity against L1210 cell line at an IC50 value of 2.9 mM and lethal toxicity against the shrimp Palaemon paucidens at a LD100 value of 33.3 mg/kg. The bioactivity of compound 1 was approximately 10-100 times weaker than those of isomalyngamides A and B (3, 4). These results indicated that the methoxy group at C-7 of the fatty acid section confers a degree of bioactivity in malyngamides.
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Affiliation(s)
- Weina Jiang
- a Department of Ocean Sciences , Tokyo University of Marine Science and Technology , Tokyo , Japan
| | - Wei Zhou
- a Department of Ocean Sciences , Tokyo University of Marine Science and Technology , Tokyo , Japan
| | - Raymie Othman
- a Department of Ocean Sciences , Tokyo University of Marine Science and Technology , Tokyo , Japan
| | - Hajime Uchida
- b National Research Institute of Fisheries Science , Yokohama , Japan
| | - Ryuichi Watanabe
- b National Research Institute of Fisheries Science , Yokohama , Japan
| | - Toshiyuki Suzuki
- b National Research Institute of Fisheries Science , Yokohama , Japan
| | - Bryan Sakamoto
- c Richard L. Roudebush VA Medical Center , Indianapolis , USA
| | - Hiroshi Nagai
- a Department of Ocean Sciences , Tokyo University of Marine Science and Technology , Tokyo , Japan
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17
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Dussault D, Vu KD, Vansach T, Horgen FD, Lacroix M. Antimicrobial effects of marine algal extracts and cyanobacterial pure compounds against five foodborne pathogens. Food Chem 2016; 199:114-8. [PMID: 26775951 DOI: 10.1016/j.foodchem.2015.11.119] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 10/28/2015] [Accepted: 11/26/2015] [Indexed: 11/23/2022]
Abstract
The marine environment is a proven source of structurally complex and biologically active compounds. In this study, the antimicrobial effects of a small collection of marine-derived extracts and isolates, were evaluated against 5 foodborne pathogens using a broth dilution assay. Results demonstrated that algal extracts from Padina and Ulva species and cyanobacterial compounds antillatoxin B, laxaphycins A, B and B3, isomalyngamide A, and malyngamides C, I and J showed antimicrobial activity against Gram positive foodborne pathogens (Listeria monocytogenes, Bacillus cereus and Staphylococcus aureus) at low concentrations (⩽ 500 μg/ml). None of the algal extracts or cyanobacterial isolates had antibacterial activity against Gram negative bacteria (Escherichia coli and Salmonella enterica serovar Typhimurium).
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Affiliation(s)
- Dominic Dussault
- INRS-Institut Armand-Frappier, Canadian Irradiation Center, Research Laboratories in Sciences Applied to Food, 531, Blvd des Prairies, Laval, QC H7V 1B7, Canada
| | - Khanh Dang Vu
- INRS-Institut Armand-Frappier, Canadian Irradiation Center, Research Laboratories in Sciences Applied to Food, 531, Blvd des Prairies, Laval, QC H7V 1B7, Canada
| | - Tifanie Vansach
- Department of Natural Sciences, Hawaii Pacific University, 45-045 Kamehameha Hwy, Kaneohe, HI 96744, United States
| | - F David Horgen
- Department of Natural Sciences, Hawaii Pacific University, 45-045 Kamehameha Hwy, Kaneohe, HI 96744, United States
| | - Monique Lacroix
- INRS-Institut Armand-Frappier, Canadian Irradiation Center, Research Laboratories in Sciences Applied to Food, 531, Blvd des Prairies, Laval, QC H7V 1B7, Canada.
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18
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Essack M, Alzubaidy HS, Bajic VB, Archer JAC. Chemical compounds toxic to invertebrates isolated from marine cyanobacteria of potential relevance to the agricultural industry. Toxins (Basel) 2014; 6:3058-76. [PMID: 25356733 PMCID: PMC4247248 DOI: 10.3390/toxins6113058] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 09/19/2014] [Accepted: 10/14/2014] [Indexed: 11/16/2022] Open
Abstract
In spite of advances in invertebrate pest management, the agricultural industry is suffering from impeded pest control exacerbated by global climate changes that have altered rain patterns to favour opportunistic breeding. Thus, novel naturally derived chemical compounds toxic to both terrestrial and aquatic invertebrates are of interest, as potential pesticides. In this regard, marine cyanobacterium-derived metabolites that are toxic to both terrestrial and aquatic invertebrates continue to be a promising, but neglected, source of potential pesticides. A PubMed query combined with hand-curation of the information from retrieved articles allowed for the identification of 36 cyanobacteria-derived chemical compounds experimentally confirmed as being toxic to invertebrates. These compounds are discussed in this review.
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Affiliation(s)
- Magbubah Essack
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Jeddah, Saudi Arabia.
| | - Hanin S Alzubaidy
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Jeddah, Saudi Arabia.
| | - Vladimir B Bajic
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Jeddah, Saudi Arabia.
| | - John A C Archer
- Computational Bioscience Research Center (CBRC), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Jeddah, Saudi Arabia.
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19
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Gao YR, Guo SH, Zhang ZX, Mao S, Zhang YL, Wang YQ. Concise synthesis of (+)-serinolamide A. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.084] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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More SV, Chang TT, Chiao YP, Jao SC, Lu CK, Li WS. Glycosylation enhances the anti-migratory activities of isomalyngamide A analogs. Eur J Med Chem 2013; 64:169-78. [DOI: 10.1016/j.ejmech.2013.03.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 02/18/2013] [Accepted: 03/24/2013] [Indexed: 12/16/2022]
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21
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Abstract
This review covers the literature published in 2011 for marine natural products, with 870 citations (558 for the period January to December 2011) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1152 for 2011), together with the relevant biological activities, source organisms and country of origin. Biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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22
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Guzii AG, Makarieva TN, Korolkova YV, Andreev YA, Mosharova IV, Tabakmaher KM, Denisenko VA, Dmitrenok PS, Ogurtsova EK, Antonov AS, Lee HS, Grishin EV. Pulchranin A, isolated from the Far-Eastern marine sponge, Monanchora pulchra: the first marine non-peptide inhibitor of TRPV-1 channels. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.099] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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24
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25
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Abstract
Covering: 2010. Previous review: Nat. Prod. Rep., 2011, 28, 196. This review covers the literature published in 2010 for marine natural products, with 895 citations (590 for the period January to December 2010) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1003 for 2010), together with the relevant biological activities, source organisms and country of origin. Biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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26
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Nagarajan M, Maruthanayagam V, Sundararaman M. A review of pharmacological and toxicological potentials of marine cyanobacterial metabolites. J Appl Toxicol 2011; 32:153-85. [PMID: 21910132 DOI: 10.1002/jat.1717] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 06/22/2011] [Accepted: 06/22/2011] [Indexed: 11/07/2022]
Abstract
Novel toxic metabolites from marine cyanobacteria have been thoroughly explored. Biologically active and chemically diverse compounds that could be hepatotoxic, neurotoxic or cytotoxic, such as cyclic peptides, lipopeptides, fatty acid amides, alkaloids and saccharides, have been produced from marine cyanobacteria. Many reports have revealed that biosynthesis of active metabolites is predominant during cyanobacterial bloom formation. Marine cyanobacterial toxic metabolites exhibit important biological properties, such as interfering in signal transduction either by activation or blockage of sodium channels or by targeting signaling proteins; inducing apoptosis by disrupting cytoskeletal proteins; and inhibiting membrane transporters, receptors, serine proteases and topoisomerases. The pharmacological importance of these metabolites resides in their proliferation and growth-controlling abilities towards cancer cell lines and disease-causing potent microbial agents (bacteria, virus, fungi and protozoa). Besides their toxic and pharmacological potentials, the present review discusses structural and functional resemblance of marine cyanobacterial metabolites to marine algae, sponges and mollusks.
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Affiliation(s)
- M Nagarajan
- Department of Marine Biotechnology, School of Marine Sciences, Bharathidasan University, Tiruchirappalli-620 024, Tamil Nadu, India
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27
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Chang TT, More SV, Lu IH, Hsu JC, Chen TJ, Jen YC, Lu CK, Li WS. Isomalyngamide A, A-1 and their analogs suppress cancer cell migration in vitro. Eur J Med Chem 2011; 46:3810-9. [DOI: 10.1016/j.ejmech.2011.05.049] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2010] [Revised: 05/17/2011] [Accepted: 05/21/2011] [Indexed: 01/15/2023]
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28
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Gunasekera SP, Owle CS, Montaser R, Luesch H, Paul VJ. Malyngamide 3 and cocosamides A and B from the marine cyanobacterium Lyngbya majuscula from Cocos Lagoon, Guam. JOURNAL OF NATURAL PRODUCTS 2011; 74:871-6. [PMID: 21341718 PMCID: PMC3081898 DOI: 10.1021/np1008015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Malyngamide 3 (1) and cocosamides A (2) and B (3) were isolated from the lipophilic extract of a collection of Lyngbya majuscula from Cocos Lagoon, Guam. The planar structures of compounds 1-3 were determined by spectroscopic methods. The absolute configuration of 1 was determined by modified Mosher's method, NOESY data, and comparison with lyngbic acid (4). The absolute configurations of 2 and 3 were assigned by enantioselective HPLC analysis and comparison with the closely related compound pitipeptolide A (5). Compounds 1-3 showed weak cytotoxicity against MCF7 breast cancer and HT-29 colon cancer cells.
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Affiliation(s)
| | | | | | | | - Valerie J. Paul
- To whom correspondence should be addressed. Tel: (772) 462-0982. Fax: (772) 461-8154.
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29
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Han B, Reinscheid UM, Gerwick WH, Gross H. The structure elucidation of isomalyngamide K from the marine cyanobacterium Lyngbya majuscula by experimental and DFT computational methods. J Mol Struct 2011; 989:109-113. [PMID: 21461120 PMCID: PMC3066435 DOI: 10.1016/j.molstruc.2011.01.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The 2Z-isomer of malyngamide K has been isolated along with the known compounds malyngamide C, deoxy-C and K, and characterized from a Papua New Guinea field collection of the cyanobacterium Lyngbya majuscula. The planar structure was deduced by 1D and 2D NMR spectroscopic and mass spectral data interpretation. The absolute configurations were determined on the basis of spectroscopic techniques, chemical degradation and DFT theoretical calculations.
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Affiliation(s)
- Bingnan Han
- Marine Resources Research Institute, Department of Ocean Science and Engineering, Xixi Campus, Zhejiang University, Hangzhou, China 310028
| | - Uwe M. Reinscheid
- Max-Planck-Institute for Biophysical Chemistry, 37077 Göttingen, Germany
| | - William H. Gerwick
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, CA 92093-0212, USA
| | - Harald Gross
- Institute for Pharmaceutical Biology, University of Bonn, 53115 Bonn, Germany
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30
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Tan LT, Goh BPL, Tripathi A, Lim MG, Dickinson GH, Lee SSC, Teo SLM. Natural antifoulants from the marine cyanobacterium Lyngbya majuscula. BIOFOULING 2010; 26:685-95. [PMID: 20658384 DOI: 10.1080/08927014.2010.508343] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Filamentous benthic marine cyanobacteria are a prolific source of structurally unique bioactive secondary metabolites. A total of 12 secondary metabolites, belonging to the mixed polyketide-polypeptide structural class, were isolated from the marine cyanobacterium, Lyngbya majuscula, and were tested to determine if they showed activity against barnacle larval settlement. The assays revealed four compounds, dolastatin 16, hantupeptin C, majusculamide A, and isomalyngamide A, that showed moderate to potent anti-larval settlement activities, with EC(50) values ranging from 0.003 to 10.6 microg ml(-1). In addition, field testing conducted over a period of 28 days (using the modified Phytagel method) based on the cyanobacterial compound, dolastatin 16, showed significantly reduced barnacle settlement as compared to controls at all the concentrations tested. The results of this study highlight the importance of marine cyanobacteria as an underexplored source of potential environmentally friendly antifoulants.
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Affiliation(s)
- Lik Tong Tan
- Natural Sciences and Science Education, National Institute of Education, Singapore.
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31
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Chen J, Shi ZF, Zhou L, Xie AL, Cao XP. Total synthesis of malyngamide M and isomalyngamide M. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.03.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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32
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Tripathi A, Puddick J, Prinsep MR, Lee PPF, Tan LT. Hantupeptins B and C, cytotoxic cyclodepsipeptides from the marine cyanobacterium Lyngbya majuscula. PHYTOCHEMISTRY 2010; 71:307-311. [PMID: 19913263 DOI: 10.1016/j.phytochem.2009.10.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2009] [Revised: 10/05/2009] [Accepted: 10/10/2009] [Indexed: 05/28/2023]
Abstract
Hantupeptins B (2) and C (3) were isolated, along with the previously reported hantupeptin A (1), from the marine cyanobacterium, Lyngbya majuscula, collected from Pulau Hantu Besar, Singapore. Their structures were elucidated by interpretation of extensive 1D and 2D NMR spectroscopic data. Compounds 2 and 3 are cyclic depsipeptides consisting of five alpha-amino/hydroxy acid residues, including phenyllactic acid, proline, N-methyl-valine, valine, N-methyl-isoleucine, and a beta-hydroxy acid unit with different degrees of unsaturation at the terminal end of each molecule. The absolute configurations of the common amino acids and phenyllactic acid were determined by the advanced Marfey's and chiral HPLC analyses, respectively. The complete stereochemistry of 3-hydroxy-2-methyl-7-octynoic acid moiety in hantupeptin A was elucidated by a combination of homonuclear J-resolved 2D NMR experiments and by Mosher's method. Hantupeptins B and C showed moderate in vitro cytotoxicity when tested against MOLT-4 (leukemic) and MCF-7 (breast cancer) cell lines.
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Affiliation(s)
- Ashootosh Tripathi
- Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616, Singapore
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Jiménez JI, Vansach T, Yoshida WY, Sakamoto B, Pörzgen P, Horgen FD. Halogenated fatty acid amides and cyclic depsipeptides from an eastern Caribbean collection of the cyanobacterium Lyngbya majuscula. JOURNAL OF NATURAL PRODUCTS 2009; 72:1573-8. [PMID: 19739598 PMCID: PMC3510382 DOI: 10.1021/np900173d] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
A lipophilic extract of an eastern Caribbean collection of Lyngbya majuscula yielded two new halogenated fatty acid amides, grenadamides B (1) and C (2), and two new depsipeptides, itralamides A (3) and B (4), along with the known compounds hectochlorin and deacetylhectochlorin. The recently reported depsipeptide carriebowmide (5) was also present in the extract and isolated as its sulfone artifact (6). Compounds 1-4 were identified by spectroscopic methods. The configurations of the amino acid residues of 3, 4, and 6 were determined by LC-MS analyses of diastereomeric derivatives of the acid hydrolysates (advanced Marfey's method). Based on the configurational analysis of 6, in direct comparison with authentic carriebowmide (5), a minor structural revision of 5 is proposed. Compounds 1 and 2 displayed marginal activity against the beet armyworm (Spodoptera exigua). Compounds 1-4 and 6 were assessed for general cell toxicity in human embryonic kidney (HEK293) cells. Only itralamide B (4) displayed significant cytotoxicity, showing an IC(50) value of 6 +/- 1 muM.
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Affiliation(s)
| | | | | | | | | | - F. David Horgen
- To whom correspondence should be addressed. Tel.: (808) 236-5864. Fax: (808) 236-5880.
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Suntornchashwej S, Suwanborirux K, Isobe M. Total synthesis of malyngamide X and its 7′S-epi isomer. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.01.035] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Li Y, Feng JP, Wang WH, Chen J, Cao XP. Total Synthesis and Correct Absolute Configuration of Malyngamide U. J Org Chem 2007; 72:2344-50. [PMID: 17346080 DOI: 10.1021/jo061456n] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The enantioselective synthesis of the previously proposed structure of malyngamide U (1) was accomplished in 18 steps from (S)-(+)-carvone. The key steps involved a hydroxymethylation of (S)-(+)-carvone and an asymmetric Henry reaction of aldehyde (+)-5, as well as condensation with the acid 3. The 1H and 13C NMR data of the synthetic compound 1 were not consistent with the data of the reported malyngamide U. The C-2' epimer of compound 1 was therefore synthesized by a similar reaction sequence. While the NMR data of C-2' epimer 23 were in full agreement with those of the reported product, the discrepancy in the specific rotation data suggested the correct structure of malyngamide U should be structure 2, in which the absolute configuration of the amine part was enantiomeric with that in compound 23. Then the correct absolute configuration of revised malyngamide U (2) was confirmed by the similar synthesis from (R)-(-)-carvone.
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Affiliation(s)
- Yang Li
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
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Suntornchashwej S, Suwanborirux K, Koga K, Isobe M. Malyngamide X: The First (7R)-Lyngbic Acid that Connects to a New Tripeptide Backbone from the Thai Sea HareBursatella leachii. Chem Asian J 2007; 2:114-22. [PMID: 17441144 DOI: 10.1002/asia.200600219] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Malyngamide X (1), the first (7R)-lyngbic acid connected to a new tripeptide backbone, was isolated from the Thai sea hare Bursatella leachii. The gross structure of 1 was established on the basis of 1D and 2D NMR and mass spectroscopic data. Combination of the NMR spectroscopic experiments with alpha-methoxy-alpha-(trifluoromethyl)phenylacetic acid esters, 2,2,2-trifluoro-1-(9-anthryl)ethanol chiral solvating agent, and molecular mechanics of 1 and the synthetic molecular fragments allowed us to determine the absolute stereochemistry of all six stereogenic centers without hydrolytic degradation of the compound. Compound 1 displayed moderate cytotoxic, antitubercular, and antimalarial properties.
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Affiliation(s)
- Suchada Suntornchashwej
- Center for Bioactive Natural Products from Marine Organisms and Endophytic Fungi, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
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Van Wagoner RM, Drummond AK, Wright JLC. Biogenetic Diversity of Cyanobacterial Metabolites. ADVANCES IN APPLIED MICROBIOLOGY 2007; 61:89-217. [PMID: 17448789 DOI: 10.1016/s0065-2164(06)61004-6] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ryan M Van Wagoner
- Center for Marine Science, University of North Carolina at Wilmington, Wilmington, NC 28409, USA
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Chen J, Li Y, Cao XP. First stereoselective synthesis of serinol-derived malyngamides and their 1′-epi-isomers. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.tetasy.2006.02.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Bergé JP, Barnathan G. Fatty acids from lipids of marine organisms: molecular biodiversity, roles as biomarkers, biologically active compounds, and economical aspects. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2005; 96:49-125. [PMID: 16566089 DOI: 10.1007/b135782] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Because of their characteristic living environments, marine organisms produce a variety of lipids. Fatty acids constitute the essential part of triglycerides and wax esters, which are the major components of fats and oils. Nevertheless, phospholipids and glycolipids have considerable importance and will be taken into account, especially the latter compounds that excite increasing interest regarding their promising biological activities. Thus, in addition to the major polyunsaturated fatty acids (PUFA) such as eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, a great number of various fatty acids occur in marine organisms, e.g. saturated, mono- and diunsaturated, branched, halogenated, hydroxylated, methoxylated, non-methylene-interrupted. Various unprecedented chemical structures of fatty acids, and lipid-containing fatty acids, have recently been discovered, especially from the most primitive animals such as sponges and gorgonians. This review of marine lipidology deals with recent advances in the field of fatty acids since the end of the 1990s. Different approaches will be followed, mainly developing biomarkers of trophic chains in marine ecosystems and of chemotaxonomic interest, reporting new structures, especially those with biological activities or biosynthetic interest. An important part of this review will be devoted to the major PUFA, their relevance to health and nutrition, their biosynthesis, their sources (usual and promising) and market.
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Affiliation(s)
- Jean-Pascal Bergé
- Centre de Nantes, Laboratoire Génie Alimentaire, Département Valorisation des Produits, Institut Français pour l'Exploitation de la Mer (IFREMER), BP21105, 44311 Nantes 03, France.
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Dembitsky VM. Astonishing diversity of natural surfactants: 4. Fatty acid amide glycosides, their analogs and derivatives. Lipids 2005; 40:641-60. [PMID: 16196415 DOI: 10.1007/s11745-005-1427-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
FA amide glycosides are of great interest, especially for the medicinal and pharmaceutical industries. These biologically active natural surfactants are good prospects for future chemical preparation of compounds useful as antibiotics, anticancer agents, or for industry. More than 200 unusual and interesting natural surfactants, including their chemical structures and biological activities, are described in this review article.
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Affiliation(s)
- Valery M Dembitsky
- Department of Organic Chemistry and School of Pharmacy, Hebrew University, Jerusalem, Israel.
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Berry JP, Gantar M, Gawley RE, Wang M, Rein KS. Pharmacology and toxicology of pahayokolide A, a bioactive metabolite from a freshwater species of Lyngbya isolated from the Florida Everglades. Comp Biochem Physiol C Toxicol Pharmacol 2004; 139:231-8. [PMID: 15683832 PMCID: PMC2573041 DOI: 10.1016/j.cca.2004.11.005] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2004] [Revised: 11/17/2004] [Accepted: 11/17/2004] [Indexed: 11/29/2022]
Abstract
The genus of filamentous cyanobacteria, Lyngbya, has been found to be a rich source of bioactive metabolites. However, identification of such compounds from Lyngbya has largely focused on a few marine representatives. Here, we report on the pharmacology and toxicology of pahayokolide A from a freshwater isolate, Lyngbya sp. strain 15-2, from the Florida Everglades. Specifically, we investigated inhibition of microbial representatives and mammalian cell lines, as well as toxicity of the compound to both invertebrate and vertebrate models. Pahayokolide A inhibited representatives of Bacillus, as well as the yeast, Saccharomyces cerevisiae. Interestingly, the compound also inhibited several representatives of green algae that were also isolated from the Everglades. Pahayokolide A was shown to inhibit a number of cancer cell lines over a range of concentrations (IC50 varied from 2.13 to 44.57 microM) depending on the cell-type. When tested against brine shrimp, pahayokolide was only marginally toxic at the highest concentrations tested (1 mg/mL). The compound was, however, acutely toxic to zebrafish embryos (LC50=2.15 microM). Possible biomedical and environmental health aspects of the pahayokolides remain to be investigated; however, the identification of bioactive metabolites such as these demonstrates the potential of the Florida Everglades as source of new toxins and drugs.
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Affiliation(s)
- John P Berry
- Marine Biology and Fisheries, Rosenstiel School of Marine and Atmospheric Science, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, USA.
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Gossauer A. Monopyrrolic natural compounds including tetramic acid derivatives. FORTSCHRITTE DER CHEMIE ORGANISCHER NATURSTOFFE = PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS. PROGRES DANS LA CHIMIE DES SUBSTANCES ORGANIQUES NATURELLES 2003; 86:1-188. [PMID: 12899123 DOI: 10.1007/978-3-7091-6029-9_1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Albert Gossauer
- Department of Chemistry, University of Fribourg, Fribourg, Switzerland
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Abstract
More than 3800 organohalogen compounds, mainly containing chlorine or bromine but a few with iodine and fluorine, are produced by living organisms or are formed during natural abiogenic processes, such as volcanoes, forest fires, and other geothermal processes. The oceans are the single largest source of biogenic organohalogens, which are biosynthesized by myriad seaweeds, sponges, corals, tunicates, bacteria, and other marine life. Terrestrial plants, fungi, lichen, bacteria, insects, some higher animals, and even humans also account for a diverse collection of organohalogens.
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Affiliation(s)
- Gordon W Gribble
- Department of Chemistry, Dartmouth College, 6128 Burke Laboratory, Hanover, NH 03755-3564, USA.
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Abstract
A comprehensive survey has been made of all fatty acids containing halogen atoms covalently bonded to carbon and which are deemed as naturally occurring. Generally thought to be minor components produced by many different organisms, these interesting compounds now number more than 300. Recent research, especially in the marine area, indicates this number will increase in the future. Sources of halogenated fatty acids include microorganisms, algae, marine invertebrates, and higher plants and some animals. Their possible biological significance has also been discussed
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Affiliation(s)
- Valery M Dembitsky
- Department of Medicinal Chemistry and Natural Products, School of Pharmacy, PO Box 12065, The Hebrew University of Jerusalem, Jerusalem 91120, Israel.
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Gerwick WH, Tan LT, Sitachitta N. Nitrogen-containing metabolites from marine cyanobacteria. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2002; 57:75-184. [PMID: 11705123 DOI: 10.1016/s0099-9598(01)57003-0] [Citation(s) in RCA: 129] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- W H Gerwick
- College of Pharmacy, Oregon State University, Corvallis, Oregon 97331, USA
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