1
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Akmukhanova NR, Leong YK, Seiilbek SN, Konysbay A, Zayadan BK, Sadvakasova AK, Sarsekeyeva FK, Bauenova MO, Bolatkhan K, Alharby HF, Chang JS, Allakhverdiev SI. Eco-friendly biopesticides derived from CO 2-Fixing cyanobacteria. ENVIRONMENTAL RESEARCH 2023; 239:117419. [PMID: 37852466 DOI: 10.1016/j.envres.2023.117419] [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: 08/27/2023] [Revised: 10/10/2023] [Accepted: 10/15/2023] [Indexed: 10/20/2023]
Abstract
There is currently an escalating global demand for the utilization of plant and natural extracts as pesticides due to their minimal health risks. Cyanobacteria are highly valuable organisms with significant potential in agriculture and are of great interest for the development of agrochemical agents as biopesticides. The flexibility and adaptability of Cyanobacteria to various environmental conditions are facilitated by the presence of specialized enzymes involved in the production of biologically active diverse secondary metabolites, including alkaloids, lipopolysaccharides, non-protein amino acids, non-ribosomal peptides, polyketides, terpenoids, and others. This review focuses on the metabolites synthesized from cyanobacteria that have demonstrated effectiveness as antibacterial, antiviral, antifungal agents, insecticides, herbicides, and more. The potential role of cyanobacteria as an alternative to chemical pesticides for environmental conservation is discussed.
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Affiliation(s)
- Nurziya R Akmukhanova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Yoong Kit Leong
- Department of Chemical and Materials Engineering, Tunghai University, Taichung, 407, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung, 407, Taiwan
| | - Sandugash N Seiilbek
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Aigerim Konysbay
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Bolatkhan K Zayadan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Assemgul K Sadvakasova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Fariza K Sarsekeyeva
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Meruyert O Bauenova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Kenzhegul Bolatkhan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050038, Kazakhstan
| | - Hesham F Alharby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Jo-Shu Chang
- Department of Chemical and Materials Engineering, Tunghai University, Taichung, 407, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung, 407, Taiwan; Department of Chemical Engineering, National Cheng Kung University, Tainan, 701, Taiwan; Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, 32003, Taiwan.
| | - Suleyman I Allakhverdiev
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya Street 35, Moscow, 127276, Russia; Faculty of Engineering and Natural Sciences, Bahcesehir University, Istanbul, Turkey.
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2
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Bérubé C, Guay LD, Fraser T, Lapointe V, Cardinal S, Biron É. Convenient route to Fmoc-homotyrosine via metallaphotoredox catalysis and its use in the total synthesis of anabaenopeptin cyclic peptides. Org Biomol Chem 2023; 21:9011-9020. [PMID: 37921761 DOI: 10.1039/d3ob01608k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Herein, we report the first solid-phase total synthesis of the natural cyclic peptide anabaenopeptin F and the use of metallaphotoredox catalysis to overcome the key challenges associated with the preparation of the non-proteinogenic amino acid homotyrosine contained in these peptides. Starting from L-homoserine, enantiopure Fmoc-protected homotyrosine was prepared in a straightforward manner by metallaphotoredox catalysis with N-Fmoc-(S)-2-amino-4-bromobutanoic acid and 4-tert-butoxybromobenzene partners. The prepared protected amino acid was used in solid-phase peptide synthesis to achieve the total synthesis of anabaenopeptin F and establish the stereochemistry of the isoleucine residue. Protease inhibition studies with the synthesized anabaenopeptin F showed inhibitory activities against carboxypeptidase B in the low nanomolar range. The high convergency of the synthetic methodologies paves the way for the rapid access to N-Fmoc-protected non-proteinogenic and unnatural amino acids and the total synthesis of complex bioactive peptides containing these amino acids.
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Affiliation(s)
- Christopher Bérubé
- Faculté de Pharmacie, Université Laval, Québec, Québec, Canada, G1 V 0A6.
- Laboratory of Medicinal Chemistry, Centre de Recherche du CHU de Québec-Université Laval, 2705 Boulevard Laurier, Québec, Québec, Canada, G1 V 0A6
| | - Louis-David Guay
- Faculté de Pharmacie, Université Laval, Québec, Québec, Canada, G1 V 0A6.
- Laboratory of Medicinal Chemistry, Centre de Recherche du CHU de Québec-Université Laval, 2705 Boulevard Laurier, Québec, Québec, Canada, G1 V 0A6
| | - Tommy Fraser
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, Québec, Canada, G5L 3A1
| | - Victor Lapointe
- Faculté de Pharmacie, Université Laval, Québec, Québec, Canada, G1 V 0A6.
- Laboratory of Medicinal Chemistry, Centre de Recherche du CHU de Québec-Université Laval, 2705 Boulevard Laurier, Québec, Québec, Canada, G1 V 0A6
| | - Sébastien Cardinal
- Département de Biologie, Chimie et Géographie, Université du Québec à Rimouski, 300 allée des Ursulines, Rimouski, Québec, Canada, G5L 3A1
| | - Éric Biron
- Faculté de Pharmacie, Université Laval, Québec, Québec, Canada, G1 V 0A6.
- Laboratory of Medicinal Chemistry, Centre de Recherche du CHU de Québec-Université Laval, 2705 Boulevard Laurier, Québec, Québec, Canada, G1 V 0A6
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3
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Konkel R, Cegłowska M, Szubert K, Wieczerzak E, Iliakopoulou S, Kaloudis T, Mazur-Marzec H. Structural Diversity and Biological Activity of Cyanopeptolins Produced by Nostoc edaphicum CCNP1411. Mar Drugs 2023; 21:508. [PMID: 37888443 PMCID: PMC10608790 DOI: 10.3390/md21100508] [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: 08/21/2023] [Revised: 09/22/2023] [Accepted: 09/24/2023] [Indexed: 10/28/2023] Open
Abstract
Cyanopeptolins (CPs) are one of the most commonly occurring class of cyanobacterial nonribosomal peptides. For the majority of these compounds, protease inhibition has been reported. In the current work, the structural diversity of cyanopeptolins produced by Nostoc edaphicum CCNP1411 was explored. As a result, 93 CPs, including 79 new variants, were detected and structurally characterized based on their mass fragmentation spectra. CPs isolated in higher amounts were additionally characterized by NMR. To the best of our knowledge, this is the highest number of cyanopeptides found in one strain. The biological assays performed with the 34 isolated CPs confirmed the significance of the amino acid located between Thr and the unique 3-amino-6-hydroxy-2-piperidone (Ahp) on the activity of the compounds against serine protease and HeLa cancer cells.
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Affiliation(s)
- Robert Konkel
- Department of Marine Biology and Biotechnology, Faculty of Oceanography and Geography, University of Gdańsk, PL-81378 Gdynia, Poland; (R.K.); (K.S.)
| | - Marta Cegłowska
- Institute of Oceanology, Polish Academy of Sciences, Powstańców Warszawy 55, PL-81712 Sopot, Poland;
| | - Karolina Szubert
- Department of Marine Biology and Biotechnology, Faculty of Oceanography and Geography, University of Gdańsk, PL-81378 Gdynia, Poland; (R.K.); (K.S.)
| | - Ewa Wieczerzak
- Department of Biomedical Chemistry, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, PL-80308 Gdańsk, Poland;
| | - Sofia Iliakopoulou
- Department of Sustainable Agriculture, University of Patras, GR-30131 Agrinio, Greece;
| | - Triantafyllos Kaloudis
- Institute of Nanoscience & Nanotechnology, NCSR Demokritos, GR-15310 Agia Paraskevi, Greece;
- Laboratory of Organic Micropollutants, Water Quality Control Department, EYDAP SA, Menidi, GR-13674 Athens, Greece
| | - Hanna Mazur-Marzec
- Department of Marine Biology and Biotechnology, Faculty of Oceanography and Geography, University of Gdańsk, PL-81378 Gdynia, Poland; (R.K.); (K.S.)
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4
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Choi B, Link AJ. Discovery, Function, and Engineering of Graspetides. TRENDS IN CHEMISTRY 2023; 5:620-633. [PMID: 37614740 PMCID: PMC10443899 DOI: 10.1016/j.trechm.2023.04.003] [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] [Indexed: 08/25/2023]
Abstract
Graspetides are a class of RiPPs (ribosomally synthesized and post-translationally modified peptides) defined by the presence of ester or amide side chain-side chain linkages resulting in peptide macrocycles. The graspetide name comes from the ATP-grasp enzymes that install the side chain-side chain linkages. This review covers the early, activity-based isolation of the first graspetides, marinostatins and microviridins, as well as the key genomics-driven experiments that established graspetide as RiPPs. The mechanism and structure of graspetide-associated ATP-grasp enzymes is discussed. Genome mining methods to discover new graspetides as well as the analytical techniques used to determine the linkages in graspetides are described. Extant knowledge on the bioactivity of graspetides as protease inhibitors is reviewed. Further chemical modifications to graspetides as well graspetide engineering studies are also described. We conclude with several suggestions about future directions of graspetide research.
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Affiliation(s)
- Brian Choi
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, United States
| | - A. James Link
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, United States
- Department of Chemistry, Princeton University, Princeton, NJ 08544, United States
- Department of Molecular Biology, Princeton University, Princeton, NJ 08544, United States
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5
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Ongpipattanakul C, Desormeaux EK, DiCaprio A, van der Donk WA, Mitchell DA, Nair SK. Mechanism of Action of Ribosomally Synthesized and Post-Translationally Modified Peptides. Chem Rev 2022; 122:14722-14814. [PMID: 36049139 PMCID: PMC9897510 DOI: 10.1021/acs.chemrev.2c00210] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Ribosomally synthesized and post-translationally modified peptides (RiPPs) are a natural product class that has undergone significant expansion due to the rapid growth in genome sequencing data and recognition that they are made by biosynthetic pathways that share many characteristic features. Their mode of actions cover a wide range of biological processes and include binding to membranes, receptors, enzymes, lipids, RNA, and metals as well as use as cofactors and signaling molecules. This review covers the currently known modes of action (MOA) of RiPPs. In turn, the mechanisms by which these molecules interact with their natural targets provide a rich set of molecular paradigms that can be used for the design or evolution of new or improved activities given the relative ease of engineering RiPPs. In this review, coverage is limited to RiPPs originating from bacteria.
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Affiliation(s)
- Chayanid Ongpipattanakul
- Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA
| | - Emily K. Desormeaux
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA
| | - Adam DiCaprio
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA
| | - Wilfred A. van der Donk
- Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Department of Howard Hughes Medical Institute, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Departments of Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, Illinois 61801, USA.,Corresponding authors Wilfred A. van der Donk, , 217-244-5360, Douglas A. Mitchell, , 217-333-1345, Satish K. Nair, , 217-333-0641
| | - Douglas A. Mitchell
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Department of Microbiology, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Departments of Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, Illinois 61801, USA.,Corresponding authors Wilfred A. van der Donk, , 217-244-5360, Douglas A. Mitchell, , 217-333-1345, Satish K. Nair, , 217-333-0641
| | - Satish K. Nair
- Department of Biochemistry, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, USA.,Departments of Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, 1206 West Gregory Drive, Urbana, Illinois 61801, USA.,Corresponding authors Wilfred A. van der Donk, , 217-244-5360, Douglas A. Mitchell, , 217-333-1345, Satish K. Nair, , 217-333-0641
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6
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Kaweewan I, Nakagawa H, Kodani S. Heterologous expression of a cryptic gene cluster from Marinomonas fungiae affords a novel tricyclic peptide marinomonasin. Appl Microbiol Biotechnol 2021; 105:7241-7250. [PMID: 34480236 DOI: 10.1007/s00253-021-11545-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/01/2021] [Accepted: 08/24/2021] [Indexed: 10/20/2022]
Abstract
The ω-ester-containing peptides (OEPs) are a group of ribosomally synthesized and post-translationally modified peptides (RiPPs). The biosynthetic gene clusters of ω-ester-containing peptides commonly include ATP-grasp ligase coding genes and are distributed over the genomes of a wide variety of bacteria. A new biosynthetic gene cluster of ω-ester-containing peptides was found in the genome sequence of the marine proteobacterium Marinomonas fungiae. Heterologous production of a new tricyclic peptide named marinomonasin was accomplished using the biosynthetic gene cluster in Escherichia coli expression host strain BL21(DE3). By ESI-MS and NMR experiments, the structure of marinomonasin was determined to be a tricyclic peptide 18 amino acids in length with one ester and two isopeptide bonds in the molecule. The bridging patterns of the three intramolecular bonds were determined by the interpretation of HMBC and NOESY data. The bridging pattern of marinomonasin was unprecedented in the ω-ester-containing peptide group. The results indicated that the ATP-grasp ligase for the production of marinomonasin was a novel enzyme possessing bifunctional activity to form one ester and two isopeptide bonds. KEY POINTS: • New tricyclic peptide marinomonasin was heterologously produced in Escherichia coli. • Marinomonasin contained one ester and two isopeptide bonds in the molecule. • The bridging pattern of intramolecular bonds was novel.
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Affiliation(s)
- Issara Kaweewan
- Faculty of Agriculture, Shizuoka University, Shizuoka, Japan
| | - Hiroyuki Nakagawa
- Institute of Food Research, National Agriculture and Food Research Organization (NARO), Ibaraki, Japan.,Research Center for Advanced Analysis, National Agriculture and Food Research Organization (NARO), Ibaraki, Japan
| | - Shinya Kodani
- Faculty of Agriculture, Shizuoka University, Shizuoka, Japan. .,Shizuoka Institute for the Study of Marine Biology and Chemistry, Shizuoka University, Shizuoka, Japan. .,College of Agriculture, Academic Institute, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
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7
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Favas R, Morone J, Martins R, Vasconcelos V, Lopes G. Cyanobacteria and microalgae bioactive compounds in skin-ageing: potential to restore extracellular matrix filling and overcome hyperpigmentation. J Enzyme Inhib Med Chem 2021; 36:1829-1838. [PMID: 34353202 PMCID: PMC8354154 DOI: 10.1080/14756366.2021.1960830] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
As the largest organ in human body, skin acts as a physicochemical barrier, offering protection against harmful environmental stressors, such as chemicals, pathogens, temperature and radiation. Nonetheless, skins prominence goes further, with a significant psychosocial role in an increasingly ageing population. Prompted by consumers’ concern regarding skincare, cosmetic industry has been developing new formulas capable of lessening the most visible signs of ageing, including reduction in skin density and elasticity, wrinkling and hyperpigmentation. Allied to skincare is the rising importance set on natural products, sustainably obtained from less environmental impacting methods. Cyanobacteria and microalgae are adding importance in this field, given their ability to biosynthesize secondary metabolites with anti-ageing potential. In this review, we present an overview on the potential of cyanobacteria and microalgae compounds to overcome skin-ageing, essentially by exploring their effects on the metalloproteinases collagenase, elastase, gelatinase and hyaluronidase, and in other enzymes involved in the pigmentation process.
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Affiliation(s)
- Rita Favas
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal.,FCUP, Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Janaína Morone
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal.,FCUP, Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Rosário Martins
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal.,Health and Environment Research Centre, School of Health, Polytechnic Institute of Porto, Porto, Portugal
| | - Vitor Vasconcelos
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal.,FCUP, Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Graciliana Lopes
- CIIMAR/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal
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8
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Uzunov B, Stefanova K, Radkova M, Descy JP, Gärtner G, Stoyneva-Gärtner M. First Report on Microcystis as a Potential Microviridin Producer in Bulgarian Waterbodies. Toxins (Basel) 2021; 13:toxins13070448. [PMID: 34203459 PMCID: PMC8310014 DOI: 10.3390/toxins13070448] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 12/30/2022] Open
Abstract
Bulgaria, situated on the Balkan Peninsula, is rich in small and shallow, natural and man-made non-lotic waterbodies, which are threatened by blooms of Cyanoprokaryota/Cyanobacteria. Although cyanotoxins in Bulgarian surface waters are receiving increased attention, there is no information on microviridins and their producers. This paper presents results from a phytoplankton study, conducted in August 2019 in three lakes (Durankulak, Vaya, Uzungeren) and five reservoirs (Duvanli, Mandra, Poroy, Sinyata Reka, Zhrebchevo) in which a molecular-genetic analysis (PCR based on the precursor mdnA gene and subsequent translation to amino acid alignments), combined with conventional light microscopy and an HPLC analysis of marker pigments, were applied for the identification of potential microviridin producers. The results provide evidence that ten strains of the genus Microcystis, and of its most widespread species M. aeruginosa in particular, are potentially toxigenic in respect to microviridins. The mdnA sequences were obtained from all studied waterbodies and their translation to amino-acid alignments revealed the presence of five microviridin variants (types B/C, Izancya, CBJ55500.1 (Microcystis 199), and MC19, as well as a variant, which was very close to type A). This study adds to the general understanding of the microviridin occurrence, producers, and sequence diversity.
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Affiliation(s)
- Blagoy Uzunov
- Department of Botany, Faculty of Biology, Sofia University, 8 blvd. Dragan Zankov, 1164 Sofia, Bulgaria
- Correspondence: (B.U.); (M.S.-G.)
| | - Katerina Stefanova
- AgroBioInstitute, Bulgarian Agricultural Academy, 8 blvd. Dragan Zankov, 1164 Sofia, Bulgaria; (K.S.); (M.R.)
| | - Mariana Radkova
- AgroBioInstitute, Bulgarian Agricultural Academy, 8 blvd. Dragan Zankov, 1164 Sofia, Bulgaria; (K.S.); (M.R.)
| | - Jean-Pierre Descy
- Unité d’Océanographie Chimique, Université de Liège, Sart Tilman, 4000 Liège, Belgium;
| | - Georg Gärtner
- Institut für Botanik der Universität Innsbruck, Sternwartestrasse 15, 6020 Innsbruck, Austria;
| | - Maya Stoyneva-Gärtner
- Department of Botany, Faculty of Biology, Sofia University, 8 blvd. Dragan Zankov, 1164 Sofia, Bulgaria
- Correspondence: (B.U.); (M.S.-G.)
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9
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McDonald K, Renaud JB, Pick FR, Miller JD, Sumarah MW, McMullin DR. Diagnostic Fragmentation Filtering for Cyanopeptolin Detection. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:1087-1097. [PMID: 33238037 DOI: 10.1002/etc.4941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/25/2020] [Accepted: 11/20/2020] [Indexed: 06/11/2023]
Abstract
Cyanobacteria are ubiquitous photosynthetic prokaryotes that produce structurally diverse bioactive metabolites. Although microcystins are extensively studied, other cyanopeptides produced by common bloom-forming species have received little attention. Cyanopeptolins are a large cyanopeptide group that contain a characteristic 3-amino-6-hydroxy-2-piperidone (Ahp) moiety. In the present study we used diagnostic fragmentation filtering (DFF), a semitargeted liquid chromatography-tandem mass spectrometry (MS/MS) product ion filtering approach, to investigate cyanopeptolin diversity from 5 Microcystis strains and 4 bloom samples collected from lakes in Ontario and Quebec, Canada. Data processing by DFF was used to search MS/MS data sets for pairs of diagnostic product ions corresponding to cyanopeptolin partial sequences. For example, diagnostic product ions at m/z 150.0912 and 215.1183 identified cyanopeptolins with the NMe-Tyr-Phe-Ahp partial sequence. Forty-eight different cyanopeptolins, including 35 new variants, were detected from studied strains and bloom samples. Different cyanopeptolin profiles were identified from each sample. We detected a new compound, cyanopeptolin 1143, from a bloom and elucidated its planar structure from subsequent targeted MS/MS experiments. Diagnostic fragmentation filtering is a rapid, easy-to-perform postacquisition metabolomics strategy for inferring structural features and prioritizing new compounds for further study and dereplication. More work on cyanopeptolin occurrence and toxicity is needed because their concentrations in freshwater lakes after blooms can be similar to those of microcystins. Environ Toxicol Chem 2021;40:1087-1097. © 2020 SETAC.
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Affiliation(s)
| | - Justin B Renaud
- London Research and Development Center, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - Frances R Pick
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | - J David Miller
- Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
| | - Mark W Sumarah
- London Research and Development Center, Agriculture and Agri-Food Canada, London, Ontario, Canada
| | - David R McMullin
- Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
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10
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Köcher S, Resch S, Kessenbrock T, Schrapp L, Ehrmann M, Kaiser M. From dolastatin 13 to cyanopeptolins, micropeptins, and lyngbyastatins: the chemical biology of Ahp-cyclodepsipeptides. Nat Prod Rep 2021; 37:163-174. [PMID: 31451830 DOI: 10.1039/c9np00033j] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Covering: 1989 up to 2019 Ahp-cyclodepsipeptides (also known as Ahp-containing cyclodepsipeptides, cyanopeptolins, micropeptins, microginines, and lyngbyastatins, and by many other names) are a family of non-ribosomal peptide synthesis (NRPS)-derived natural products with potent serine protease inhibitory properties. Here, we review their isolation and structural elucidation from natural sources as well as studies of their biosynthesis, molecular mode of action, and use in drug discovery efforts. Accordingly, this summary aims to provide a comprehensive overview of the current state-of-the-art Ahp-cyclodepsipeptide research.
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Affiliation(s)
- Steffen Köcher
- Chemical Biology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany.
| | - Sarah Resch
- Chemical Biology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany.
| | - Till Kessenbrock
- Chemical Biology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany.
| | - Lukas Schrapp
- Chemical Biology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany.
| | - Michael Ehrmann
- Microbiology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Markus Kaiser
- Chemical Biology, Zentrum für Medizinische Biotechnologie (ZMB), Faculty of Biology, Universität Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany.
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11
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Unno K, Nakagawa H, Kodani S. Heterologous production of new protease inhibitory peptide marinostatin E. Biosci Biotechnol Biochem 2021; 85:97-102. [DOI: 10.1093/bbb/zbaa011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/09/2020] [Indexed: 01/30/2023]
Abstract
Abstract
Bicyclic peptides, marinostatins, are protease inhibitors derived from the marine bacterium Algicola sagamiensis. The biosynthetic gene cluster of marinostatin was previously identified, although no heterologous production was reported. In this report, the biosynthetic gene cluster of marinostatin (mstA and mstB) was cloned into the expression vector pET-41a(+). As a result of the coexpression experiment, a new analogous peptide named marinostatin E was successfully produced using Escherichia coli BL21(DE3). The structure of marinostatin E was determined by a combination of chemical treatments and tandem mass spectrometry experiments. Marinostatin E exhibited inhibitory activities against chymotrypsin and subtilisin with an IC50 of 4.0 and 39.6 μm, respectively.
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Affiliation(s)
- Kohta Unno
- Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan
| | - Hiroyuki Nakagawa
- Food Research Institute, National Agriculture and Food Research Organization (NARO), Ibaraki, Japan
- Advanced Analysis Center, National Agriculture and Food Research Organization (NARO), Ibaraki, Japan
| | - Shinya Kodani
- Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan
- College of Agriculture, Academic Institute, Shizuoka University, Shizuoka, Japan
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12
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Current Knowledge on Microviridin from Cyanobacteria. Mar Drugs 2021; 19:md19010017. [PMID: 33406599 PMCID: PMC7823629 DOI: 10.3390/md19010017] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 12/18/2022] Open
Abstract
Cyanobacteria are a rich source of secondary metabolites with a vast biotechnological potential. These compounds have intrigued the scientific community due their uniqueness and diversity, which is guaranteed by a rich enzymatic apparatus. The ribosomally synthesized and post-translationally modified peptides (RiPPs) are among the most promising metabolite groups derived from cyanobacteria. They are interested in numerous biological and ecological processes, many of which are entirely unknown. Microviridins are among the most recognized class of ribosomal peptides formed by cyanobacteria. These oligopeptides are potent inhibitors of protease; thus, they can be used for drug development and the control of mosquitoes. They also play a key ecological role in the defense of cyanobacteria against microcrustaceans. The purpose of this review is to systematically identify the key characteristics of microviridins, including its chemical structure and biosynthesis, as well as its biotechnological and ecological significance.
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13
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Unno K, Kodani S. Heterologous expression of cryptic biosynthetic gene cluster from Streptomyces prunicolor yields novel bicyclic peptide prunipeptin. Microbiol Res 2020; 244:126669. [PMID: 33360751 DOI: 10.1016/j.micres.2020.126669] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 11/02/2020] [Accepted: 12/06/2020] [Indexed: 11/18/2022]
Abstract
Recently, ω-ester-containing peptides (OEPs) were indicated to be a class of ribosomally synthesized and post-translationally modified peptides. Based on genome mining, new biosynthetic gene cluster of OEPs was found in the genome sequence of actinobacterium Streptomyces prunicolor. The biosynthetic gene cluster contained just two genes including precursor peptide (pruA) and ATP-grasp ligase (pruB) coding genes. Heterologous co-expression of the two genes was accomplished using expression vector pET-41a(+) in Escherichia coli. As a result, new OEP named prunipeptin was produced by this system. By site-directed mutagenesis experiment, a variant peptide prunipeptin 15HW was obtained. The bridging pattern of prunipeptin 15HW was determined by combination of chemical cleavage and MS experiments. Prunipeptin 15HW possessed bicyclic structure with an ester bond and an isopeptide bond. The ATP-grasp ligase PruB was indicated to catalyze the two different intramolecular bonds.
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Affiliation(s)
- Kohta Unno
- Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan
| | - Shinya Kodani
- Graduate School of Integrated Science and Technology, Shizuoka University, Shizuoka, Japan; College of Agriculture, Academic Institute, Shizuoka University, Shizuoka, Japan.
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14
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Ahmad S, Saleem M, Riaz N, Lee YS, Diri R, Noor A, Almasri D, Bagalagel A, Elsebai MF. The Natural Polypeptides as Significant Elastase Inhibitors. Front Pharmacol 2020; 11:688. [PMID: 32581778 PMCID: PMC7291377 DOI: 10.3389/fphar.2020.00688] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 04/27/2020] [Indexed: 12/11/2022] Open
Abstract
Human neutrophil elastase (HNE) is a major cause of the destruction of tissues in cases of several different chronic andinflammatory diseases. Overexpression of the elastase enzyme plays a significant role in the pathogenesis of various diseases including chronic obstructive pulmonary disease (COPD), acute respiratory distress syndrome, rheumatoid arthritis, the rare disease cyclic hematopoiesis (or cyclic neutropenia), infections, sepsis, cystic fibrosis, myocardial ischemia/reperfusion injury and asthma, inflammation, and atherosclerosis. Human neutrophil elastase is secreted by human neutrophils due to different stimuli. Medicine-based inhibition of the over-activation of neutrophils or production and activity of elastase have been suggested to mend inflammatory diseases. Although the development of new elastase inhibitors is an essential strategy for treating the different inflammatory diseases, it has been a challenge to specifically target the activity of elastase because of its overlapping functions with those of other serine proteases. This review article highlights the reported natural polypeptides as potential inhibitors of elastase enzyme. The mechanism of action, structural features, and activity of the polypeptides have also been correlated wherever they were available.
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Affiliation(s)
- Shabir Ahmad
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.,Department of Chemistry, Post-Graduate College, Bahawalpur, Pakistan
| | - Muhammad Saleem
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Naheed Riaz
- Department of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Yong Sup Lee
- Department of Life and Nanopharmaceutical Sciences & Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, South Korea
| | - Reem Diri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmad Noor
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Diena Almasri
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Alaa Bagalagel
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mahmoud Fahmi Elsebai
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia.,Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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15
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Toporowska M, Mazur-Marzec H, Pawlik-Skowrońska B. The Effects of Cyanobacterial Bloom Extracts on the Biomass, Chl-a, MC and Other Oligopeptides Contents in a Natural Planktothrix agardhii Population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17082881. [PMID: 32331227 PMCID: PMC7215471 DOI: 10.3390/ijerph17082881] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 01/29/2023]
Abstract
Blooms of the cyanobacterium Planktothrix agardhii are common in shallow, eutrophic freshwaters. P. agardhii may produce hepatotoxic microcystins (MCs) and many other bioactive secondary metabolites belonging mostly to non-ribosomal oligopeptides. The aim of this work was to study the effects of two extracts (Pa-A and Pa-B) of P. agardhii-predominated bloom samples with different oligopeptide profiles and high concentration of biogenic compounds on another natural P. agardhii population. We hypothesised that the P. agardhii biomass and content of oligopeptides in P. agardhii is shaped in a different manner by diverse mixtures of metabolites of different P. agardhii-dominated cyanobacterial assemblages. For this purpose, the biomass, chlorophyll a and oligopeptides content in the treated P. agardhii were measured. Seven-day microcosm experiments with four concentrations of the extracts Pa-A and Pa-B were carried out. Generally, aeruginosins (AERs), cyanopeptolins (CPs) and anabaenopeptins (APs) were the most numerous peptides; however, only 16% of them were common for both extracts. The addition of the extracts resulted in similar effects on P. agardhii: an increase in biomass, Chl-a and MC content in the exposed P. agardhii as well as changes in its oligopeptide profile were observed. MCs present in the extracts did not inhibit accumulation of P. agardhii biomass, and did not have any negative effect on MC and Chl-a content. No evidence for bioaccumulation of dissolved peptides in the P. agardhii exposed was found. As the two tested extracts differed considerably in oligopeptide composition, but contained similar high concentrations of nutrients, it seems that biogenic compounds, not oligopeptides themselves, positively influenced the mixed natural P. agardhii population.
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Affiliation(s)
- Magdalena Toporowska
- Department of Hydrobiology and Protection of Ecosystems, University of Life Sciences in Lublin, Dobrzańskiego 37, 20-262 Lublin, Poland;
- Correspondence:
| | - Hanna Mazur-Marzec
- Division of Marine Biotechnology, University of Gdańsk, Al. Marszałka Piłsudskiego 46, 81-378 Gdynia, Poland;
| | - Barbara Pawlik-Skowrońska
- Department of Hydrobiology and Protection of Ecosystems, University of Life Sciences in Lublin, Dobrzańskiego 37, 20-262 Lublin, Poland;
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16
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Unno K, Kaweewan I, Nakagawa H, Kodani S. Heterologous expression of a cryptic gene cluster from Grimontia marina affords a novel tricyclic peptide grimoviridin. Appl Microbiol Biotechnol 2020; 104:5293-5302. [DOI: 10.1007/s00253-020-10605-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 03/01/2020] [Accepted: 04/01/2020] [Indexed: 10/24/2022]
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17
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Sieber S, Grendelmeier SM, Harris LA, Mitchell DA, Gademann K. Microviridin 1777: A Toxic Chymotrypsin Inhibitor Discovered by a Metabologenomic Approach. JOURNAL OF NATURAL PRODUCTS 2020; 83:438-446. [PMID: 31989826 PMCID: PMC7050427 DOI: 10.1021/acs.jnatprod.9b00986] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The toxicity of the cyanobacterium Microcystis aeruginosa EAWAG 127a was evaluated against the sensitive grazer Thamnocephalus platyurus, and the extract possessed strong activity. To investigate the compounds responsible for cytotoxicity, a series of peptides from this cyanobacterium were studied using a combined genomic and molecular networking approach. The results led to the isolation, structure elucidation, and biological evaluation of microviridin 1777, which represents the most potent chymotrypsin inhibitor characterized from this family of peptides to date. Furthermore, the biosynthetic gene clusters of microviridin, anabaenopeptin, aeruginosin, and piricyclamide were located in the producing organism, and six additional natural products were identified by tandem mass spectrometry analyses. These results highlight the potential of modern techniques for the identification of natural products, demonstrate the ecological role of protease inhibitors produced by cyanobacteria, and raise ramifications concerning the presence of novel, yet uncharacterized, toxin families in cyanobacteria beyond microcystin.
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Affiliation(s)
- Simon Sieber
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
| | - Simone M. Grendelmeier
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
| | - Lonnie A. Harris
- Department of Chemistry, University of Illinois at Urbana–Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Douglas A. Mitchell
- Department of Chemistry, University of Illinois at Urbana–Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Karl Gademann
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich CH 8057, Switzerland
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18
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Huang IS, Zimba PV. Cyanobacterial bioactive metabolites-A review of their chemistry and biology. HARMFUL ALGAE 2019; 86:139-209. [PMID: 31358273 DOI: 10.1016/j.hal.2019.05.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 09/14/2018] [Accepted: 11/16/2018] [Indexed: 06/10/2023]
Abstract
Cyanobacterial blooms occur when algal densities exceed baseline population concentrations. Cyanobacteria can produce a large number of secondary metabolites. Odorous metabolites affect the smell and flavor of aquatic animals, whereas bioactive metabolites cause a range of lethal and sub-lethal effects in plants, invertebrates, and vertebrates, including humans. Herein, the bioactivity, chemistry, origin, and biosynthesis of these cyanobacterial secondary metabolites were reviewed. With recent revision of cyanobacterial taxonomy by Anagnostidis and Komárek as part of the Süβwasserflora von Mitteleuropa volumes 19(1-3), names of many cyanobacteria that produce bioactive compounds have changed, thereby confusing readers. The original and new nomenclature are included in this review to clarify the origins of cyanobacterial bioactive compounds. Due to structural similarity, the 157 known bioactive classes produced by cyanobacteria have been condensed to 55 classes. This review will provide a basis for more formal procedures to adopt a logical naming system. This review is needed for efficient management of water resources to understand, identify, and manage cyanobacterial harmful algal bloom impacts.
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Affiliation(s)
- I-Shuo Huang
- Center for Coastal Studies, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA.
| | - Paul V Zimba
- Center for Coastal Studies, Texas A&M University-Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
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19
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Demay J, Bernard C, Reinhardt A, Marie B. Natural Products from Cyanobacteria: Focus on Beneficial Activities. Mar Drugs 2019; 17:E320. [PMID: 31151260 PMCID: PMC6627551 DOI: 10.3390/md17060320] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 12/28/2022] Open
Abstract
Cyanobacteria are photosynthetic microorganisms that colonize diverse environments worldwide, ranging from ocean to freshwaters, soils, and extreme environments. Their adaptation capacities and the diversity of natural products that they synthesize, support cyanobacterial success in colonization of their respective ecological niches. Although cyanobacteria are well-known for their toxin production and their relative deleterious consequences, they also produce a large variety of molecules that exhibit beneficial properties with high potential in various fields (e.g., a synthetic analog of dolastatin 10 is used against Hodgkin's lymphoma). The present review focuses on the beneficial activities of cyanobacterial molecules described so far. Based on an analysis of 670 papers, it appears that more than 90 genera of cyanobacteria have been observed to produce compounds with potentially beneficial activities in which most of them belong to the orders Oscillatoriales, Nostocales, Chroococcales, and Synechococcales. The rest of the cyanobacterial orders (i.e., Pleurocapsales, Chroococcidiopsales, and Gloeobacterales) remain poorly explored in terms of their molecular diversity and relative bioactivity. The diverse cyanobacterial metabolites possessing beneficial bioactivities belong to 10 different chemical classes (alkaloids, depsipeptides, lipopeptides, macrolides/lactones, peptides, terpenes, polysaccharides, lipids, polyketides, and others) that exhibit 14 major kinds of bioactivity. However, no direct relationship between the chemical class and the respective bioactivity of these molecules has been demonstrated. We further selected and specifically described 47 molecule families according to their respective bioactivities and their potential uses in pharmacology, cosmetology, agriculture, or other specific fields of interest. With this up-to-date review, we attempt to present new perspectives for the rational discovery of novel cyanobacterial metabolites with beneficial bioactivity.
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Affiliation(s)
- Justine Demay
- UMR 7245 MCAM, Muséum National d'Histoire Naturelle-CNRS, Paris, 12 rue Buffon, CP 39, 75231 Paris CEDEX 05, France.
- Thermes de Balaruc-les-Bains, 1 rue du Mont Saint-Clair BP 45, 34540 Balaruc-Les-Bains, France.
| | - Cécile Bernard
- UMR 7245 MCAM, Muséum National d'Histoire Naturelle-CNRS, Paris, 12 rue Buffon, CP 39, 75231 Paris CEDEX 05, France.
| | - Anita Reinhardt
- Thermes de Balaruc-les-Bains, 1 rue du Mont Saint-Clair BP 45, 34540 Balaruc-Les-Bains, France.
| | - Benjamin Marie
- UMR 7245 MCAM, Muséum National d'Histoire Naturelle-CNRS, Paris, 12 rue Buffon, CP 39, 75231 Paris CEDEX 05, France.
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20
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Roh H, Han Y, Lee H, Kim S. A Topologically Distinct Modified Peptide with Multiple Bicyclic Core Motifs Expands the Diversity of Microviridin‐Like Peptides. Chembiochem 2019; 20:1051-1059. [DOI: 10.1002/cbic.201800678] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Heejin Roh
- Department of ChemistrySeoul National University 1 Gwanak-ro Gwanak-gu Seoul 08826 South Korea
| | - Yeji Han
- Department of ChemistrySeoul National University 1 Gwanak-ro Gwanak-gu Seoul 08826 South Korea
| | - Hyunbin Lee
- Department of ChemistrySeoul National University 1 Gwanak-ro Gwanak-gu Seoul 08826 South Korea
| | - Seokhee Kim
- Department of ChemistrySeoul National University 1 Gwanak-ro Gwanak-gu Seoul 08826 South Korea
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21
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Huang IS, Zimba PV. Cyanobacterial bioactive metabolites-A review of their chemistry and biology. HARMFUL ALGAE 2019; 83:42-94. [PMID: 31097255 DOI: 10.1016/j.hal.2018.11.008] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 09/14/2018] [Accepted: 11/16/2018] [Indexed: 06/09/2023]
Abstract
Cyanobacterial blooms occur when algal densities exceed baseline population concentrations. Cyanobacteria can produce a large number of secondary metabolites. Odorous metabolites affect the smell and flavor of aquatic animals, whereas bioactive metabolites cause a range of lethal and sub-lethal effects in plants, invertebrates, and vertebrates, including humans. Herein, the bioactivity, chemistry, origin, and biosynthesis of these cyanobacterial secondary metabolites were reviewed. With recent revision of cyanobacterial taxonomy by Anagnostidis and Komárek as part of the Süβwasserflora von Mitteleuropa volumes 19(1-3), names of many cyanobacteria that produce bioactive compounds have changed, thereby confusing readers. The original and new nomenclature are included in this review to clarify the origins of cyanobacterial bioactive compounds. Due to structural similarity, the 157 known bioactive classes produced by cyanobacteria have been condensed to 55 classes. This review will provide a basis for more formal procedures to adopt a logical naming system. This review is needed for efficient management of water resources to understand, identify, and manage cyanobacterial harmful algal bloom impacts.
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Affiliation(s)
- I-Shuo Huang
- Center for Coastal Studies, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA.
| | - Paul V Zimba
- Center for Coastal Studies, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
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22
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Zhao L, Wang Z, Zhang H, Li W, Yue Q, Jin Y. Design, Preparation of 3-Hydroxy Isoindolinone Cyclotripeptides, and the In Vitro
Antitumor Activities Against Cervical Carcinoma HeLa Cells. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3154] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Lishuang Zhao
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
| | - Zhiqiang Wang
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
| | - Hongyue Zhang
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
| | - Wenting Li
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
| | - Qunfeng Yue
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
| | - Yingxue Jin
- Key Laboratory of Photochemical Biomaterials and Energy Storage Materials, Heilongjiang Province, College of Chemistry & Chemical Engineering; Harbin Normal University; Harbin 150025 China
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23
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Lee H, Park Y, Kim S. Enzymatic Cross-Linking of Side Chains Generates a Modified Peptide with Four Hairpin-like Bicyclic Repeats. Biochemistry 2017; 56:4927-4930. [DOI: 10.1021/acs.biochem.7b00808] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Hyunbin Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Youngseon Park
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Seokhee Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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24
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Kurmayer R, Deng L, Entfellner E. Role of toxic and bioactive secondary metabolites in colonization and bloom formation by filamentous cyanobacteria Planktothrix. HARMFUL ALGAE 2016; 54:69-86. [PMID: 27307781 PMCID: PMC4892429 DOI: 10.1016/j.hal.2016.01.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 01/15/2016] [Accepted: 01/15/2016] [Indexed: 05/22/2023]
Abstract
Bloom-forming cyanobacteria Planktothrix agardhii and P. rubescens are regularly involved in the occurrence of cyanotoxin in lakes and reservoirs. Besides microcystins (MCs), which inhibit eukaryotic protein phosphatase 1 and 2A, several families of bioactive peptides are produced, thereby resulting in impressive secondary metabolite structural diversity. This review will focus on the current knowledge of the phylogeny, morphology, and ecophysiological adaptations of Planktothrix as well as the toxins and bioactive peptides produced. The relatively well studied ecophysiological adaptations (buoyancy, shade tolerance, nutrient storage capacity) can partly explain the invasiveness of this group of cyanobacteria that bloom within short periods (weeks to months). The more recent elucidation of the genetic basis of toxin and bioactive peptide synthesis paved the way for investigating its regulation both in the laboratory using cell cultures as well as under field conditions. The high frequency of several toxin and bioactive peptide synthesis genes observed within P. agardhii and P. rubescens, but not for other Planktothrix species (e.g. P. pseudagardhii), suggests a potential functional linkage between bioactive peptide production and the colonization potential and possible dominance in habitats. It is hypothesized that, through toxin and bioactive peptide production, Planktothrix act as a niche constructor at the ecosystem scale, possibly resulting in an even higher ability to monopolize resources, positive feedback loops, and resilience under stable environmental conditions. Thus, refocusing harmful algal bloom management by integrating ecological and phylogenetic factors acting on toxin and bioactive peptide synthesis gene distribution and concentrations could increase the predictability of the risks originating from Planktothrix blooms.
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Affiliation(s)
- Rainer Kurmayer
- University of Innsbruck, Research Institute for Limnology, Mondseestrasse 9, 5310 Mondsee, Austria.
| | - Li Deng
- Helmholtz Zentrum München, Institute of Groundwater Ecology, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - Elisabeth Entfellner
- University of Innsbruck, Research Institute for Limnology, Mondseestrasse 9, 5310 Mondsee, Austria
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25
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Zhen XL, Yin WH, Tian X, Ma ZJ, Fan SM, Han JR, Liu S. Synthesis and biological evaluation of open-chain analogs of cyclic peptides as inhibitors of cellular Shp2 activity. Bioorg Med Chem 2015; 23:2562-7. [DOI: 10.1016/j.bmc.2015.03.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 03/11/2015] [Accepted: 03/12/2015] [Indexed: 11/26/2022]
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26
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Adiv S, Carmeli S. Protease inhibitors from Microcystis aeruginosa bloom material collected from the Dalton Reservoir, Israel. JOURNAL OF NATURAL PRODUCTS 2013; 76:2307-2315. [PMID: 24261937 DOI: 10.1021/np4006844] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Nine new metabolites, aeruginosins DA495A (1), DA511 (2), DA642A (3), DA642B (4), DA688 (5), DA722 (6), and DA495B (7), microguanidine DA368 (8), and anabaenopeptin DA850 (9), were isolated along with the known micropeptins MZ924, MZ939A, and MZ1019, cyanopeptolins S and SS, microcin SF608, and aeruginazoles DA1497, DA1304, and DA1274 from bloom material of the cyanobacterium Microcystis aeruginosa collected from the Dalton reservoir, Israel, in October 2007. Their structures were elucidated by a combination of various spectroscopic techniques, primarily NMR and MS, while the absolute configurations of the asymmetric centers were determined by Marfey's and chiral-phase HPLC methods. Two of the new aeruginosins, DA511 (1) and DA495A (2), contain a new Choi isomer, (2S,3aS,6S,7aS)-Choi. The structure elucidation and biological activities of the new metabolites are described.
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Affiliation(s)
- Simi Adiv
- Raymond and Beverly Sackler School of Chemistry and Faculty of Exact Sciences, Tel-Aviv University , Ramat Aviv, Tel-Aviv 69978, Israel
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27
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Pelay-Gimeno M, Tulla-Puche J, Albericio F. "Head-to-side-chain" cyclodepsipeptides of marine origin. Mar Drugs 2013; 11:1693-717. [PMID: 23697952 PMCID: PMC3707169 DOI: 10.3390/md11051693] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 04/07/2013] [Accepted: 04/23/2013] [Indexed: 12/25/2022] Open
Abstract
Since the late 1980s, a large number of depsipeptides that contain a new topography, referred to as "head-to-side-chain" cyclodepsipeptides, have been isolated and characterized. These peptides present a unique structural arrangement that comprises a macrocyclic region closed through an ester bond between the C-terminus and a β-hydroxyl group, and terminated with a polyketide moiety or a more simple branched aliphatic acid. This structural pattern, the presence of unique and complex residues, and relevant bioactivity are the main features shared by all the members of this new class of depsipeptides, which are reviewed herein.
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Affiliation(s)
- Marta Pelay-Gimeno
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
| | - Judit Tulla-Puche
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
| | - Fernando Albericio
- Institute for Research in Biomedicine (IRB Barcelona), Baldiri Reixac 10, Barcelona 08028, Spain
- CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Baldiri Reixac 10, Barcelona 08028, Spain
- Department of Organic Chemistry, University of Barcelona, Martí i Franqués 1-11, Barcelona 08028, Spain
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
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Nagarajan M, Maruthanayagam V, Sundararaman M. SAR analysis and bioactive potentials of freshwater and terrestrial cyanobacterial compounds: a review. J Appl Toxicol 2012; 33:313-49. [PMID: 23172644 DOI: 10.1002/jat.2833] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2012] [Revised: 08/29/2012] [Accepted: 09/11/2012] [Indexed: 11/07/2022]
Abstract
Freshwater and terrestrial cyanobacteria resemble the marine forms in producing divergent chemicals such as linear, cyclic and azole containing peptides, alkaloids, cyclophanes, terpenes, lactones, etc. These metabolites have wider biomedical potentials in targeting proteases, cancers, parasites, pathogens and other cyanobacteria and algae (allelopathy). Among the various families of non-marine cyanobacterial peptides reported, many of them are acting as serine protease inhibitors. While the micropeptin family has a preference for chymotrypsin inhibition rather than other serine proteases, the aeruginosin family targets trypsin and thrombin. In addition, cyanobacterial compounds such as scytonemide A, lyngbyazothrins C and D and cylindrocyclophanes were found to inhibit 20S proteosome. Apart from proteases, metabolites blocking the other targets of cancer pathways may exhibit cytotoxic effect. Colon and rectum, breast, lung and prostate are the worst affecting cancers in humans and are deduced to be inhibited by both peptidic and non-peptidic compounds. Moreover, the growth of infections causing parasites such as Plasmodium, Leishmania and Trypanosoma are well controlled by peptides: aerucyclamides A-D, tychonamides and alkaloids: nostocarboline and calothrixins. Likewise, varieties of cyanobacterial compounds tend to inhibit serious infectious disease causing bacterial, fungal and viral agents. Interestingly, portoamides, spiroidesin, nostocyclamide and kasumigamide are the allelopathic peptides determined to suppress the growth of toxic cyanobacteria and nuisance algae. Thus cyanobacterial compounds have a broad bioactive spectrum; the analysis of SAR studies will not only assist to find out the mode of action but also reveal bioactive key components. Thereby, developing the drugs bearing these bioactive skeletons to treat various illnesses is wide open.
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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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29
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30
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Linking chemistry and genetics in the growing cyanobactin natural products family. ACTA ACUST UNITED AC 2011; 18:508-19. [PMID: 21513887 DOI: 10.1016/j.chembiol.2011.01.019] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Revised: 12/31/2010] [Accepted: 01/10/2011] [Indexed: 11/22/2022]
Abstract
Ribosomal peptide natural products are ubiquitous, yet relatively few tools exist to predict structures and clone new pathways. Cyanobactin ribosomal peptides are found in ~30% of all cyanobacteria, but the connection between gene sequence and structure was not defined, limiting the rapid identification of new compounds and pathways. Here, we report discovery of four orphan cyanobactin gene clusters by genome mining and an additional pathway by targeted cloning, which represented a tyrosine O-prenylating biosynthetic pathway. Genome mining enabled discovery of five cyanobactins, including peptide natural products from Spirulina supplements. A phylogenetic model defined four cyanobactin genotypes, which explain the synthesis of multiple cyanobactin structural classes and help direct pathway cloning and structure prediction efforts. These strategies were applied to DNA isolated from a mixed cyanobacterial bloom containing cyanobactins.
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31
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Exploiting the natural diversity of microviridin gene clusters for discovery of novel tricyclic depsipeptides. Appl Environ Microbiol 2010; 76:3568-74. [PMID: 20363789 DOI: 10.1128/aem.02858-09] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Microviridins are ribosomally synthesized tricyclic depsipeptides produced by different genera of cyanobacteria. The prevalence of the microviridin gene clusters and the natural diversity of microviridin precursor sequences are currently unknown. Screening of laboratory strains and field samples of the bloom-forming freshwater cyanobacterium Microcystis via PCR revealed global occurrence of the microviridin pathway and an unexpected natural variety. We could detect 15 new variants of the precursor gene mdnA encoding microviridin backbones that differ in up to 4 amino acid positions from known isoforms of the peptide. The survey not only provides insights into the versatility of the biosynthetic enzymes in a closely related group of cyanobacteria, but also facilitates the discovery and characterization of cryptic microviridin variants. This is demonstrated for microviridin L in Microcystis aeruginosa strain NIES843 and heterologously produced variants.
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32
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Sivonen K, Leikoski N, Fewer DP, Jokela J. Cyanobactins-ribosomal cyclic peptides produced by cyanobacteria. Appl Microbiol Biotechnol 2010; 86:1213-25. [PMID: 20195859 PMCID: PMC2854353 DOI: 10.1007/s00253-010-2482-x] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2009] [Revised: 01/29/2010] [Accepted: 01/29/2010] [Indexed: 11/30/2022]
Abstract
Cyanobactins are small cyclic peptides that are produced by a diverse selection of cyanobacteria living in symbioses as well as terrestrial, marine, or freshwater environments. They include compounds with antimalarial, antitumor, and multidrug reversing activities and potential as pharmaceutical leads. Cyanobactins are produced through the proteolytic cleavage and cyclization of precursor peptides coupled with further posttranslational modifications such as heterocyclization, oxidation, or prenylation of amino acids. Cyanobactin gene clusters encode two proteases which cleave and cyclisize the precursor peptide as well as proteins participating in posttranslational modifications. The bioinformatic mining of cyanobacterial genomes has led to the discovery of novel cyanobactins. Heterologous expression of these gene clusters provided insights into the role of the genes participating in the biosynthesis of cyanobactins and facilitated the rational design of novel peptides. Enzymes participating in the biosynthesis of cyanobactins may prove useful as catalysts for producing novel cyclic peptides in the future. The recent discovery of the cyanobactin biosynthetic pathway in cyanobacteria extends our knowledge of their potential as producers of interesting metabolites.
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Affiliation(s)
- Kaarina Sivonen
- Department of Food and Environmental Sciences, Division of Microbiology, Viikki Biocenter, University of Helsinki, Helsinki, P.O. Box 56, Viikinkaari 9, FIN-00014, Finland.
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33
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Abstract
Cyanobactins are small, cyclic peptides recently found in cyanobacteria. They are formed through proteolytic cleavage and posttranslational modification of short precursor proteins and exhibit antitumor, cytotoxic, or multi-drug-reversing activities. Using genome project data, bioinformatics, stable isotope labeling, and mass spectrometry, we discovered novel cyclic peptides, anacyclamides, in 27 Anabaena strains. The lengths of the anacylamides varied greatly, from 7 to 20 amino acids. Pronounced sequence variation was also detected, and only one amino acid, proline, was present in all anacyclamides. The anacyclamides identified included unmodified proteinogenic or prenylated amino acids. We identified an 11-kb gene cluster in the genome of Anabaena sp. 90, and heterologous expression in Escherichia coli confirmed that this cluster was responsible for anacyclamide production. The discovery of anacyclamides greatly increases the structural diversity of cyanobactins.
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34
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Yoon YS, Lee CG. Partial purification and characterization of a novel antifungal compound against Aspergillus spp. from Synechocystis sp. PCC 6803. BIOTECHNOL BIOPROC E 2009. [DOI: 10.1007/s12257-009-0082-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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35
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Bubik A, Sedmak B, Novinec M, Lenarcic B, Lah TT. Cytotoxic and peptidase inhibitory activities of selected non-hepatotoxic cyclic peptides from cyanobacteria. Biol Chem 2009; 389:1339-46. [PMID: 18713022 DOI: 10.1515/bc.2008.153] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Toxic cyanobacterial blooms are a rich source of metabolites having a variety of biological activities. Two main groups of cyclic peptides, depsipeptides and ureido linkage-containing peptides, reportedly inhibit serine peptidases. We characterised their inhibitory properties against selected peptidases and investigated their influence on cell viability. The depsipeptide planktopeptin BL1125 is a strong linear competitive tight-binding inhibitor of leukocyte (K(i)=2.9 nm) and pancreatic (K(i)=7.2 nm) elastase and also of chymotrypsin (K(i)=6.1 nm). Anabaenopeptins B and F show no inhibition against chymotrypsin, but inhibit both elastases. The tested cyclic peptides do not inhibit trypsin, urokinase, kallikrein 1 or cysteine peptidases. All three tested cyanopeptides show no short-term cytotoxicity in concentrations of up to 10 mum, but impair the metabolic activity of normal human astrocytes after prolonged exposure (48-96 h), whereas glioblastoma cells, tumour cells of the same type, are resistant. Strong inhibition and relative selectivity of the tested cyanopeptides suggests that they are potential candidates for application in inflammatory diseases and possibly some types of cancers.
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Affiliation(s)
- Anja Bubik
- Department of Genetic Toxicology, National Institute of Biology, Vecna pot 111, POB 141, SI-1001 Ljubljana, Slovenia
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36
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Huang PQ, Chen W, Zheng X, Ruan YP. Facile Syntheses of Three Ahp-Type Building Blocks with Complementary Reactivity. HETEROCYCLES 2009. [DOI: 10.3987/com-08-s(d)35] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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37
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Okumura HS, Philmus B, Portmann C, Hemscheidt TK. Homotyrosine-containing cyanopeptolins 880 and 960 and anabaenopeptins 908 and 915 from Planktothrix agardhii CYA 126/8. JOURNAL OF NATURAL PRODUCTS 2009; 72:172-6. [PMID: 19115837 PMCID: PMC2673918 DOI: 10.1021/np800557m] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Two homotyrosine-bearing cyanopeptolins are described from Planktothrix agardhii CYA 126/8. The compounds feature a common homotyrosine-containing cyclohexadepsipeptide and differ by sulfation of an exocyclically located 2-O-methyl-d-glyceric acid residue. In addition we describe two anabaenopeptins, which contain two homotyrosine residues, one of which is N-methylated. The anabaenopeptins have a common cyclopentapeptide portion and differ in the amino acid linked to it via an ureido bond, arginine and tyrosine, respectively.
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Affiliation(s)
- Hilary S. Okumura
- Department of Chemistry, University of Hawaii, 2545 McCarthy Mall, Honolulu, Hawaii 96822
| | - Benjamin Philmus
- Department of Chemistry, University of Hawaii, 2545 McCarthy Mall, Honolulu, Hawaii 96822
| | - Cyril Portmann
- Department of Chemistry, University of Hawaii, 2545 McCarthy Mall, Honolulu, Hawaii 96822
| | - Thomas K. Hemscheidt
- Department of Chemistry, University of Hawaii, 2545 McCarthy Mall, Honolulu, Hawaii 96822
- Natural Products & Cancer Biology Program, Cancer Research Center of Hawaii, 651 Ilalo Street, Honolulu, Hawaii 96813
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38
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Taori K, Paul VJ, Luesch H. Kempopeptins A and B, serine protease inhibitors with different selectivity profiles from a marine cyanobacterium, Lyngbya sp. JOURNAL OF NATURAL PRODUCTS 2008; 71:1625-1629. [PMID: 18693761 DOI: 10.1021/np8002172] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Two cyclodepsipeptides named kempopeptins A (1) and B (2) were isolated from a collection of a Floridian marine cyanobacterium, Lyngbya sp., that had previously afforded the structurally related potent elastase inhibitors lyngbyastatin 7 and somamide B. The structures of 1 and 2 were elucidated mainly by 1D and 2D NMR spectroscopy, and the absolute configuration was established by chiral HPLC and Marfey's analysis of the degradation products. Kempopeptin A (1) exhibited an IC50 against elastase of 0.32 microM and against chymotrypsin of 2.6 microM, while kempopeptin B (2) inhibited trypsin with an IC50 of 8.4 microM.
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Affiliation(s)
- Kanchan Taori
- Department of Medicinal Chemistry, University of Florida, 1600 SW Archer Road, Gainesville, Florida 32610, USA
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39
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Christiansen G, Molitor C, Philmus B, Kurmayer R. Nontoxic strains of cyanobacteria are the result of major gene deletion events induced by a transposable element. Mol Biol Evol 2008; 25:1695-704. [PMID: 18502770 PMCID: PMC2464740 DOI: 10.1093/molbev/msn120] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2008] [Indexed: 01/05/2023] Open
Abstract
Blooms that are formed by cyanobacteria consist of toxic and nontoxic strains. The mechanisms that result in the occurrence of nontoxic strains are enigmatic. All the nontoxic strains of the filamentous cyanobacterium Planktothrix that were isolated from 9 European countries were found to have lost 90% of a large microcystin synthetase (mcy) gene cluster that encoded the synthesis of the toxic peptide microcystin (MC). Those strains still contain the flanking regions of the mcy gene cluster along with remnants of the transposable elements that are found in between. The majority of the strains still contain a gene coding for a distinct thioesterase type II (mcyT), which is putatively involved in MC synthesis. The insertional inactivation of mcyT in an MC-producing strain resulted in the reduction of MC synthesis by 94 +/- 2% (1 standard deviation). Nontoxic strains that occur in shallow lakes throughout Europe form a monophyletic lineage. A second lineage consists of strains that contain the mcy gene cluster but differ in their photosynthetic pigment composition, which is due to the occurrence of strains that contain phycocyanin or large amounts of phycoerythrin in addition to phycocyanin. Strains containing phycoerythrin typically occur in deep-stratified lakes. The rare occurrence of gene cluster deletion, paired with the evolutionary diversification of the lineages of strains that lost or still contain the mcy gene cluster, needs to be invoked in order to explain the absence or dominance of toxic cyanobacteria in various habitats.
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Affiliation(s)
- Guntram Christiansen
- Austrian Academy of Sciences, Institute for Limnology, Mondseestrasse 9, Mondsee, Austria
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40
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Baumann HI, Keller S, Wolter FE, Nicholson GJ, Jung G, Süssmuth RD, Jüttner F. Planktocyclin, a cyclooctapeptide protease inhibitor produced by the freshwater cyanobacterium Planktothrix rubescens. JOURNAL OF NATURAL PRODUCTS 2007; 70:1611-1615. [PMID: 17935298 DOI: 10.1021/np0700873] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The freshwater cyanobacterium Planktothrix rubescens produces the cyclooctapeptide cyclo(Pro-Gly-Leu-Val-Met-Phe-Gly-Val). The chemical structure is new. This homodetic cyclic octapeptide was named planktocyclin ( 1). It consists solely of proteinogenic l-amino acids and is a strong inhibitor of mammalian trypsin and alpha-chymotrypsin and a moderately active inhibitor of human recombinant caspase-8. Mass spectrometric and 2D-NMR spectroscopic data allowed the determination of its structure. Synthetic planktocyclin was identical to the natural product.
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Affiliation(s)
- Heike I Baumann
- Limnological Station, Institute of Plant Biology, University of Zürich, Seestrasse 187, 8802 Kilchberg, Switzerland.
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41
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Affiliation(s)
- Stephanie Grond
- Georg-August Universität Göttingen, Institute of Organic and Biomolecular Chemistry, Tammannstr. 2, D-37077, Göttingen.
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42
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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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43
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Mayumi T, Kato H, Kawasaki Y, Harada KI. Formation of diagnostic product ions from cyanobacterial cyclic peptides by the two-bond fission mechanism using ion trap liquid chromatography/multi-stage mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2007; 21:1025-33. [PMID: 17318805 DOI: 10.1002/rcm.2920] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Product ions obtained by tandem mass spectrometry (MS/MS) are quite effective for the amino acid sequencing of linear peptides. However, in the case of cyclic peptides, the fragmentation pattern is complicated because the cleavages occur randomly and product ions are generated as a(n), b(n), c(n), x(n), y(n) and z(n) series ions; therefore, the authors have never obtained sufficient sequence information. In order to overcome this problem, we applied ion trap liquid chromatography/multi-stage mass spectrometry (LC/MS(n)) and characterized the product ions obtained from anabaenopeptins and aeruginopeptins as the cyclic peptides. For the anabaenopeptins, MS(2) analysis did not provide sufficient sequence information on the cyclic structure, and MS(3) analysis was applied to sequence the constituent amino acids. Diagnostic product ions were obtained by the MS(3) analysis and were quite effective for obtaining the sequence information of the constituent amino acids. MS(2) analysis was, however, sufficient to obtain the sequence information of the aeruginopeptins. In both cases, the resulting product ions obtained from the cyclic structures were formed by the two-bond fission mechanism of the precursor ion, in which an initial fission of the cyclic structure to a linear one and subsequent fission(s) at the peptide bonds are included. The fragmentations were similar for the structurally related compounds, indicating that the cleavages occurred at definite peptide bonds. In addition, the resulting product ions are generated as b(n) series ions and the mass difference facilitates the amino acid sequencing. Thus, ion trap LC/MS(n) provides sequence information, and the resulting product ions are reproducible among the structurally related compounds and reliable for the sequencing of the constituent amino acids of the cyclic structure.
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Affiliation(s)
- Tsuyoshi Mayumi
- Graduate School of Environmental and Human Science, Meijo University, Tempaku, Nagoya 468-8503, Japan.
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44
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Reshef V, Carmeli S. New microviridins from a water bloom of the cyanobacterium Microcystis aeruginosa. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.05.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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45
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Abstract
Cyanobacterial secondary metabolites have attracted increasing scientific interest due to bioactivity of many compounds in various test systems. Among the known structures, oligopeptides are often found with many congeners sharing conserved substructures, while being highly variable in others. A major part of known oligopeptides are of non-ribosomal origin and can be grouped into classes with conserved structural properties. Thus, the overall structural diversity of cyanobacterial oligopeptides only seemingly suggests an equally high diversity of biosynthetic pathways and respective genes. For each class of peptides, some of which have been found in all major branches of the cyanobacterial evolutionary tree, homologous synthetases and genes can be inferred. This implies that non-ribosomal peptide synthetase genes are a very ancient part of the cyanobacterial genome and presumably have evolved by recombination and duplication events to reach the present structural diversity of cyanobacterial oligopeptides. In addition, peptide synthetases would appear to be an essential part of the cyanobacterial evolution and physiology. The present review presents an overview of the biosynthesis of cyanobacterial peptides and corresponding gene clusters, the structural diversity of structural types and structural variations within peptide classes, and implications for the evolution and plasticity of biosynthetic genes and the potential function of cyanobacterial peptides.
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Affiliation(s)
- Martin Welker
- Technische Universität Berlin, Institut für Chemie, AG Biochemie, Berlin, Germany.
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46
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Christiansen G, Kurmayer R, Liu Q, Börner T. Transposons inactivate biosynthesis of the nonribosomal peptide microcystin in naturally occurring Planktothrix spp. Appl Environ Microbiol 2006; 72:117-23. [PMID: 16391033 PMCID: PMC1352303 DOI: 10.1128/aem.72.1.117-123.2006] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The filamentous cyanobacteria Planktothrix spp. occur in the temperate region of the Northern hemisphere. The red-pigmented Planktothrix rubescens bacteria occur in deep, physically stratified, and less eutrophic lakes. Planktothrix is a known producer of the toxic heptapeptide microcystin (MC), which is produced nonribosomally by a large enzyme complex consisting of peptide synthetases and polyketide synthases encoded by a total of nine genes (mcy genes). Planktothrix spp. differ in their cellular MC contents as well as the production of MC variants; however, the mechanisms favoring this diversity are not understood. Recently, the occurrence of Planktothrix strains containing all mcy genes but lacking MC has been reported. In this study, 29 such strains were analyzed to find out if mutations of the mcy genes lead to the inability to synthesize MC. Two deletions, spanning 400 bp (in mcyB; one strain) and 1,869 bp (in mcyHA; three strains), and three insertions (IS), spanning 1,429 bp (in mcyD; eight strains), 1,433 bp (in mcyEG; one strain), and 1,433 bp (in mcyA; one strain), were identified. Though found in different genes and different isolates and transcribed in opposite directions, IS were found to be identical and contained conserved domains assigned to transposable elements. Using mutation-specific primers, two insertions (in mcyD and mcyA) and one deletion (in mcyHA) were found regularly in populations of P. rubescens in different lakes. The results demonstrate for the first time that different mutations resulting in inactivation of MC synthesis do occur frequently and make up a stable proportion of the mcy gene pool in Planktothrix populations over several years.
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Affiliation(s)
- Guntram Christiansen
- Austrian Academy of Sciences, Institute for Limnology, Mondseestrasse 9, 5310 Mondsee, Austria
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47
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Médebielle M, Hohn S, Okada E, Myoken H, Shibata D. Synthesis of novel fluorinated 4-aminoquinoline derivatives. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2005.09.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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48
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Gkelis S, Harjunpää V, Lanaras T, Sivonen K. Diversity of hepatotoxic microcystins and bioactive anabaenopeptins in cyanobacterial blooms from Greek freshwaters. ENVIRONMENTAL TOXICOLOGY 2005; 20:249-56. [PMID: 15892073 DOI: 10.1002/tox.20105] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Microcystins (MCs) and anabaenopeptins from 26 cyanobacterial bloom samples dominated mainly by the genus Microcystis and collected from seven Greek freshwaters were identified and quantified by high-performance liquid chromatography coupled to a diode array detector. All the samples analyzed contained microcystins; in 27% of the samples anabaenopeptins were detected but not anabaenopeptilide (A). In each sample 1-7 microcystins and up to two anabaenopeptins (anabaenopeptins A and B) were identified. MC-RR and MC-LR were the predominant microcystins, followed by MC-YR. MC-LA and demethylated variants of MC-LR and MC-RR also were present but were not abundant. Total content of microcystin and anabaenopeptin varied from 40 to 2565 microg g(-1) freeze-dried material (mean 674.5 microg g(-1)) and from undetectable to 48 microg g(-1) freeze-dried material (mean 6.2 microg g(-1)), respectively. Qualitative and quantitative variation in the microcystins in the samples indicates there may be geographical trends in the distribution of microcystins. This study reports for the first time (1) the widespread occurrence of several different microcystins in Greek freshwaters and (2) quantitative data on the anabaenopeptins produced in natural cyanobacterial populations.
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Affiliation(s)
- Spyros Gkelis
- Department of Applied Chemistry and Microbiology, P.O. Box 56, Viikki Biocenter, Helsinki University, Helsinki, FIN-000 14, Finland
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49
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Medebielle M, Ait-Mohand S, Burkhloder C, Dolbier WR, Laumond G, Aubertin AM. Syntheses of new difluoromethylene benzoxazole and 1,2,4-oxadiazole derivatives, as potent non-nucleoside HIV-1 reverse transcriptase inhibitors. J Fluor Chem 2005. [DOI: 10.1016/j.jfluchem.2004.12.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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50
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Yamaki H, Sitachitta N, Sano T, Kaya K. Two new chymotrypsin inhibitors isolated from the Cyanobacterium Microcystis aeruginosa NIES-88. JOURNAL OF NATURAL PRODUCTS 2005; 68:14-18. [PMID: 15679310 DOI: 10.1021/np0401361] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Micropeptins 88-N (1) and 88-Y (2), new 3-amino-6-hydroxy-2-piperidone (Ahp)-containing cyclic depsipeptides, were isolated from Microcystis aeruginosa NIES-88. The structures were elucidated by analyses of HRFABMS, 1D and 2D NMR spectra, and chemical degradation. Micropeptins 88-N and 88-Y inhibited chymotrypsin. The inhibitory activities were closely related to the amino acid residue that was attached to the amino group of Ahp.
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Affiliation(s)
- Hiroshi Yamaki
- Graduate School of Environmental Studies, Tohoku University, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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