101
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Balan SS, Kumar CG, Jayalakshmi S. Aneurinifactin, a new lipopeptide biosurfactant produced by a marine Aneurinibacillus aneurinilyticus SBP-11 isolated from Gulf of Mannar: Purification, characterization and its biological evaluation. Microbiol Res 2016; 194:1-9. [PMID: 27938857 DOI: 10.1016/j.micres.2016.10.005] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 10/13/2016] [Accepted: 10/22/2016] [Indexed: 11/25/2022]
Abstract
Biosurfactants are microbial-derived amphiphilic molecules having hydrophobic and hydrophilic moieties produced by bacteria, fungi, yeasts and algae and are extracellular or cell wall-associated compounds. In an ongoing survey for bioactive microbial metabolites from microbes isolated from diverse ecological niches, a new lipopeptide biosurfactant was identified from a marine bacterium; Aneurinibacillus aneurinilyticus strain SBP-11, which was isolated from a marine diversity hotspot, Gulf of Mannar, India. A new lipopeptide biosurfactant was purified and characterized based on TLC, FT-IR, NMR, GC-MS, HPLC, MALDI-TOF-MS and tandem MS analysis as Stearic acid-Thr-Tyr-Val-Ser-Tyr-Thr (named as Aneurinifactin). The critical micelle concentration of Aneurinifactin was 26mgL-1 at a surface tension of 26mNm-1. Further, the biosurfactant showed stable emulsification at a wide range of pH (2-9) and temperature up to 80°C. Aneurinifactin showed promising antimicrobial activity and concentration dependent efficient oil recovery. This is the first report on Aneurinifactin, a lipopeptide biosurfactant produced by a marine A. aneurinilyticus SBP-11, which could be explored as a promising candidate for use in various biomedical and industrial applications.
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Affiliation(s)
- Shanmugasundaram Senthil Balan
- CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Porto Novo, Tamil Nadu 608502, India; Present address: Department of Medicinal Plant Biotechnology, Sharmila Institute of Medicinal Products Research Academy, Thanjavur, Tamil Nadu 613007, India
| | - C Ganesh Kumar
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India.
| | - Singaram Jayalakshmi
- CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Porto Novo, Tamil Nadu 608502, India
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102
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Al-Amoudi S, Essack M, Simões MF, Bougouffa S, Soloviev I, Archer JAC, Lafi FF, Bajic VB. Bioprospecting Red Sea Coastal Ecosystems for Culturable Microorganisms and Their Antimicrobial Potential. Mar Drugs 2016; 14:md14090165. [PMID: 27626430 PMCID: PMC5039536 DOI: 10.3390/md14090165] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Revised: 08/10/2016] [Accepted: 08/10/2016] [Indexed: 01/19/2023] Open
Abstract
Microorganisms that inhabit unchartered unique soil such as in the highly saline and hot Red Sea lagoons on the Saudi Arabian coastline, represent untapped sources of potentially new bioactive compounds. In this study, a culture-dependent approach was applied to three types of sediments: mangrove mud (MN), microbial mat (MM), and barren soil (BS), collected from Rabigh harbor lagoon (RHL) and Al-Kharrar lagoon (AKL). The isolated bacteria were evaluated for their potential to produce bioactive compounds. The phylogenetic characterization of 251 bacterial isolates based on the 16S rRNA gene sequencing, supported their assignment to five different phyla: Proteobacteria, Firmicutes, Actinobacteria, Bacteroidetes, and Planctomycetes. Fifteen putative novel species were identified based on a 16S rRNA gene sequence similarity to other strain sequences in the NCBI database, being ≤98%. We demonstrate that 49 of the 251 isolates exhibit the potential to produce antimicrobial compounds. Additionally, at least one type of biosynthetic gene sequence, responsible for the synthesis of secondary metabolites, was recovered from 25 of the 49 isolates. Moreover, 10 of the isolates had a growth inhibition effect towards Staphylococcus aureus, Salmonella typhimurium and Pseudomonas syringae. We report the previously unknown antimicrobial activity of B. borstelensis, P. dendritiformis and M. salipaludis against all three indicator pathogens. Our study demonstrates the evidence of diverse cultured microbes associated with the Red Sea harbor/lagoon environments and their potential to produce antimicrobial compounds.
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Affiliation(s)
- Soha Al-Amoudi
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - Magbubah Essack
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - Marta F Simões
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
- Biology Department, Edge Hill University, St. Helens Road, Lancashire, Ormskirk L39 4QP, UK.
| | - Salim Bougouffa
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - Irina Soloviev
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - John A C Archer
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - Feras F Lafi
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
| | - Vladimir B Bajic
- King Abdullah University of Science and Technology (KAUST), Computational Bioscience Research Center (CBRC), Thuwal 23955-6900, Saudi Arabia.
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103
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Kamauchi H, Kinoshita K, Sugita T, Koyama K. Conditional changes enhanced production of bioactive metabolites of marine derived fungus Eurotium rubrum. Bioorg Med Chem Lett 2016; 26:4911-4914. [PMID: 27641468 DOI: 10.1016/j.bmcl.2016.09.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Revised: 09/02/2016] [Accepted: 09/06/2016] [Indexed: 11/20/2022]
Abstract
Metabolites of marine derived fungus Eurotium rubrum MPUC136 differed between cultivation on wheat medium and Czapek-Dox agar medium. Melanin synthesis inhibitory activity of crude extract of culture on wheat medium showed stronger activity than that of crude extract of culture on Czapek-Dox agar medium. A new diketopiperazine compound isoechinulin D (1) and eight reported diketopiperazines (2-9) were isolated from the crude extract of wheat medium. The structure of 1 was established using NMR, MS and IR methods. 2-5 inhibited melanogenesis using B16 melanoma cells (IC50=68, 2.4, 83, 9.1μM each). Structure-Activity-Relationships of diketopiperazines (1-10) indicated the importance of the prenyl groups at C-2, C-5 and C-7, the vinyl group at C-12 to C-25 and the sp2 carbons at C-8 and C-9. Isolated compounds (1-9) were not or slightly observed from the extracts of Czapek-Dox agar medium by HPLC analysis, suggesting that different cultivation processes could affect metabolism and enhance bioactivities.
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Affiliation(s)
- Hitoshi Kamauchi
- Department of Pharmacognosy and Phytochemistry, Meiji Pharmaceutical University, Noshio 2-522-1, Kiyose-shi, Tokyo 204-8588, Japan
| | - Kaoru Kinoshita
- Department of Pharmacognosy and Phytochemistry, Meiji Pharmaceutical University, Noshio 2-522-1, Kiyose-shi, Tokyo 204-8588, Japan
| | - Takashi Sugita
- Department of Microbiology, Meiji Pharmaceutical University, Noshio 2-522-1, Kiyose-shi, Tokyo 204-8588, Japan
| | - Kiyotaka Koyama
- Department of Pharmacognosy and Phytochemistry, Meiji Pharmaceutical University, Noshio 2-522-1, Kiyose-shi, Tokyo 204-8588, Japan.
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104
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Falaise C, François C, Travers MA, Morga B, Haure J, Tremblay R, Turcotte F, Pasetto P, Gastineau R, Hardivillier Y, Leignel V, Mouget JL. Antimicrobial Compounds from Eukaryotic Microalgae against Human Pathogens and Diseases in Aquaculture. Mar Drugs 2016; 14:E159. [PMID: 27598176 PMCID: PMC5039530 DOI: 10.3390/md14090159] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 08/20/2016] [Accepted: 08/24/2016] [Indexed: 12/31/2022] Open
Abstract
The search for novel compounds of marine origin has increased in the last decades for their application in various areas such as pharmaceutical, human or animal nutrition, cosmetics or bioenergy. In this context of blue technology development, microalgae are of particular interest due to their immense biodiversity and their relatively simple growth needs. In this review, we discuss about the promising use of microalgae and microalgal compounds as sources of natural antibiotics against human pathogens but also about their potential to limit microbial infections in aquaculture. An alternative to conventional antibiotics is needed as the microbial resistance to these drugs is increasing in humans and animals. Furthermore, using natural antibiotics for livestock could meet the consumer demand to avoid chemicals in food, would support a sustainable aquaculture and present the advantage of being environmentally friendly. Using natural and renewable microalgal compounds is still in its early days, but considering the important research development and rapid improvement in culture, extraction and purification processes, the valorization of microalgae will surely extend in the future.
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Affiliation(s)
- Charlotte Falaise
- FR CNRS 3473 IUML Mer-Molécules-Santé (MMS), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
| | - Cyrille François
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et de Pathologie des Mollusques Marins, Avenue Mus de Loup, La Tremblade 17390, France.
| | - Marie-Agnès Travers
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et de Pathologie des Mollusques Marins, Avenue Mus de Loup, La Tremblade 17390, France.
| | - Benjamin Morga
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et de Pathologie des Mollusques Marins, Avenue Mus de Loup, La Tremblade 17390, France.
| | - Joël Haure
- Ifremer, SG2M-LGPMM, Laboratoire de Génétique et de Pathologie des Mollusques Marins, Avenue Mus de Loup, La Tremblade 17390, France.
| | - Réjean Tremblay
- Institut des Sciences de la Mer de Rimouski, Université du Québec à Rimouski, 310 des Ursulines, Rimouski, QC G5L 3A1, Canada.
| | - François Turcotte
- Institut des Sciences de la Mer de Rimouski, Université du Québec à Rimouski, 310 des Ursulines, Rimouski, QC G5L 3A1, Canada.
| | - Pamela Pasetto
- UMR CNRS 6283 Institut des Molécules et Matériaux du Mans (IMMM), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
| | - Romain Gastineau
- FR CNRS 3473 IUML Mer-Molécules-Santé (MMS), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
| | - Yann Hardivillier
- FR CNRS 3473 IUML Mer-Molécules-Santé (MMS), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
| | - Vincent Leignel
- FR CNRS 3473 IUML Mer-Molécules-Santé (MMS), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
| | - Jean-Luc Mouget
- FR CNRS 3473 IUML Mer-Molécules-Santé (MMS), Université du Maine, Avenue O. Messiaen, Le Mans 72085, France.
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105
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Shishlyannikova TA, Kuzmin AV, Fedorova GA, Shishlyannikov SM, Lipko IA, Sukhanova EV, Belkova NL. Ionofore antibiotic polynactin produced by Streptomyces sp. 156A isolated from Lake Baikal. Nat Prod Res 2016; 31:639-644. [PMID: 27486824 DOI: 10.1080/14786419.2016.1217203] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
| | - Anton V. Kuzmin
- Siberian Branch, Limnological Institute, Russian Academy of Sciences, Irkutsk, Russia
| | - Galina A. Fedorova
- Siberian Branch, Limnological Institute, Russian Academy of Sciences, Irkutsk, Russia
| | | | - Irina A. Lipko
- Siberian Branch, Limnological Institute, Russian Academy of Sciences, Irkutsk, Russia
| | - Elena V. Sukhanova
- Siberian Branch, Limnological Institute, Russian Academy of Sciences, Irkutsk, Russia
| | - Natalia L. Belkova
- Siberian Branch, Limnological Institute, Russian Academy of Sciences, Irkutsk, Russia
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106
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Mazard S, Penesyan A, Ostrowski M, Paulsen IT, Egan S. Tiny Microbes with a Big Impact: The Role of Cyanobacteria and Their Metabolites in Shaping Our Future. Mar Drugs 2016; 14:E97. [PMID: 27196915 PMCID: PMC4882571 DOI: 10.3390/md14050097] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 01/12/2023] Open
Abstract
Cyanobacteria are among the first microorganisms to have inhabited the Earth. Throughout the last few billion years, they have played a major role in shaping the Earth as the planet we live in, and they continue to play a significant role in our everyday lives. Besides being an essential source of atmospheric oxygen, marine cyanobacteria are prolific secondary metabolite producers, often despite the exceptionally small genomes. Secondary metabolites produced by these organisms are diverse and complex; these include compounds, such as pigments and fluorescent dyes, as well as biologically-active compounds with a particular interest for the pharmaceutical industry. Cyanobacteria are currently regarded as an important source of nutrients and biofuels and form an integral part of novel innovative energy-efficient designs. Being autotrophic organisms, cyanobacteria are well suited for large-scale biotechnological applications due to the low requirements for organic nutrients. Recent advances in molecular biology techniques have considerably enhanced the potential for industries to optimize the production of cyanobacteria secondary metabolites with desired functions. This manuscript reviews the environmental role of marine cyanobacteria with a particular focus on their secondary metabolites and discusses current and future developments in both the production of desired cyanobacterial metabolites and their potential uses in future innovative projects.
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Affiliation(s)
- Sophie Mazard
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney NSW 2109, Australia.
| | - Anahit Penesyan
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney NSW 2109, Australia.
| | - Martin Ostrowski
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney NSW 2109, Australia.
| | - Ian T Paulsen
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney NSW 2109, Australia.
| | - Suhelen Egan
- Centre for Marine Bio-Innovation and School of Biological Earth and Environmental Sciences, University of New South Wales, Sydney NSW 2052, Australia.
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107
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Recent Advances in the Study of Marine Microbial Biofilm: From the Involvement of Quorum Sensing in Its Production up to Biotechnological Application of the Polysaccharide Fractions. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2016. [DOI: 10.3390/jmse4020034] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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108
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García-Caballero M, Blacher S, Paupert J, Quesada AR, Medina MA, Noël A. Novel application assigned to toluquinol: inhibition of lymphangiogenesis by interfering with VEGF-C/VEGFR-3 signalling pathway. Br J Pharmacol 2016; 173:1966-87. [PMID: 27018653 DOI: 10.1111/bph.13488] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Revised: 03/08/2016] [Accepted: 03/11/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND AND PURPOSE Lymphangiogenesis is an important biological process associated with the pathogenesis of several diseases, including metastatic dissemination, graft rejection, lymphoedema and other inflammatory disorders. The development of new drugs that block lymphangiogenesis has become a promising therapeutic strategy. In this study, we investigated the ability of toluquinol, a 2-methyl-hydroquinone isolated from the culture broth of the marine fungus Penicillium sp. HL-85-ALS5-R004, to inhibit lymphangiogenesis in vitro, ex vivo and in vivo. EXPERIMENTAL APPROACH We used human lymphatic endothelial cells (LECs) to analyse the effect of toluquinol in 2D and 3D in vitro cultures and in the ex vivo mouse lymphatic ring assay. For in vivo approaches, the transgenic Fli1:eGFPy1 zebrafish, mouse ear sponges and cornea models were used. Western blotting and apoptosis analyses were carried out to search for drug targets. KEY RESULTS Toluquinol inhibited LEC proliferation, migration, tubulogenesis and sprouting of new lymphatic vessels. Furthermore, toluquinol induced apoptosis of LECs after 14 h of treatment in vitro, blocked the development of the thoracic duct in zebrafish and reduced the VEGF-C-induced lymphatic vessel formation and corneal neovascularization in mice. Mechanistically, we demonstrated that this drug attenuates VEGF-C-induced VEGFR-3 phosphorylation in a dose-dependent manner and suppresses the phosphorylation of Akt and ERK1/2. CONCLUSIONS AND IMPLICATIONS Based on these findings, we propose toluquinol as a new candidate with pharmacological potential for the treatment of lymphangiogenesis-related pathologies. Notably, its ability to suppress corneal neovascularization paves the way for applications in vascular ocular pathologies.
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Affiliation(s)
- M García-Caballero
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliqué-Cancer (GIGA-Cancer), University of Liège, Liège, Belgium
| | - S Blacher
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliqué-Cancer (GIGA-Cancer), University of Liège, Liège, Belgium
| | - J Paupert
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliqué-Cancer (GIGA-Cancer), University of Liège, Liège, Belgium
| | - A R Quesada
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga, Spain.,Unidad 741 de CIBER "de Enfermedades Raras", Málaga, Spain
| | - M A Medina
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga, Spain.,Unidad 741 de CIBER "de Enfermedades Raras", Málaga, Spain
| | - A Noël
- Laboratory of Tumor and Development Biology, Groupe Interdisciplinaire de Génoprotéomique Appliqué-Cancer (GIGA-Cancer), University of Liège, Liège, Belgium
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109
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Potential Pharmacological Resources: Natural Bioactive Compounds from Marine-Derived Fungi. Mar Drugs 2016; 14:md14040076. [PMID: 27110799 PMCID: PMC4849080 DOI: 10.3390/md14040076] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 03/11/2016] [Accepted: 03/29/2016] [Indexed: 11/16/2022] Open
Abstract
In recent years, a considerable number of structurally unique metabolites with biological and pharmacological activities have been isolated from the marine-derived fungi, such as polyketides, alkaloids, peptides, lactones, terpenoids and steroids. Some of these compounds have anticancer, antibacterial, antifungal, antiviral, anti-inflammatory, antioxidant, antibiotic and cytotoxic properties. This review partially summarizes the new bioactive compounds from marine-derived fungi with classification according to the sources of fungi and their biological activities. Those fungi found from 2014 to the present are discussed.
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110
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Next Generation Sequencing of Actinobacteria for the Discovery of Novel Natural Products. Mar Drugs 2016; 14:md14040078. [PMID: 27089350 PMCID: PMC4849082 DOI: 10.3390/md14040078] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 04/01/2016] [Accepted: 04/06/2016] [Indexed: 12/17/2022] Open
Abstract
Like many fields of the biosciences, actinomycete natural products research has been revolutionised by next-generation DNA sequencing (NGS). Hundreds of new genome sequences from actinobacteria are made public every year, many of them as a result of projects aimed at identifying new natural products and their biosynthetic pathways through genome mining. Advances in these technologies in the last five years have meant not only a reduction in the cost of whole genome sequencing, but also a substantial increase in the quality of the data, having moved from obtaining a draft genome sequence comprised of several hundred short contigs, sometimes of doubtful reliability, to the possibility of obtaining an almost complete and accurate chromosome sequence in a single contig, allowing a detailed study of gene clusters and the design of strategies for refactoring and full gene cluster synthesis. The impact that these technologies are having in the discovery and study of natural products from actinobacteria, including those from the marine environment, is only starting to be realised. In this review we provide a historical perspective of the field, analyse the strengths and limitations of the most relevant technologies, and share the insights acquired during our genome mining projects.
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111
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Griffiths M, Harrison STL, Smit M, Maharajh D. Major Commercial Products from Micro- and Macroalgae. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/978-3-319-12334-9_14] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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112
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Biosurfactants Produced by Marine Microorganisms with Therapeutic Applications. Mar Drugs 2016; 14:md14020038. [PMID: 26901207 PMCID: PMC4771991 DOI: 10.3390/md14020038] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/29/2016] [Accepted: 02/01/2016] [Indexed: 12/20/2022] Open
Abstract
Marine microorganisms possess unique metabolic and physiological features and are an important source of new biomolecules, such as biosurfactants. Some of these surface-active compounds synthesized by marine microorganisms exhibit antimicrobial, anti-adhesive and anti-biofilm activity against a broad spectrum of human pathogens (including multi-drug resistant pathogens), and could be used instead of existing drugs to treat infections caused by them. In other cases, these biosurfactants show anti-cancer activity, which could be envisaged as an alternative to conventional therapies. However, marine biosurfactants have not been widely explored, mainly due to the difficulties associated with the isolation and growth of their producing microorganisms. Culture-independent techniques (metagenomics) constitute a promising approach to study the genetic resources of otherwise inaccessible marine microorganisms without the requirement of culturing them, and can contribute to the discovery of novel biosurfactants with significant biological activities. This paper reviews the most relevant biosurfactants produced by marine microorganisms with potential therapeutic applications and discusses future perspectives and opportunities to discover novel molecules from marine environments.
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113
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Ko W, Sohn JH, Jang JH, Ahn JS, Kang DG, Lee HS, Kim JS, Kim YC, Oh H. Inhibitory effects of alternaramide on inflammatory mediator expression through TLR4-MyD88-mediated inhibition of NF-кB and MAPK pathway signaling in lipopolysaccharide-stimulated RAW264.7 and BV2 cells. Chem Biol Interact 2016; 244:16-26. [DOI: 10.1016/j.cbi.2015.11.024] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Revised: 11/11/2015] [Accepted: 11/20/2015] [Indexed: 01/06/2023]
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114
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García-Vilas JA, Martínez-Poveda B, Quesada AR, Medina MÁ. Aeroplysinin-1, a Sponge-Derived Multi-Targeted Bioactive Marine Drug. Mar Drugs 2015; 14:1. [PMID: 26703630 PMCID: PMC4728498 DOI: 10.3390/md14010001] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 12/07/2015] [Accepted: 12/16/2015] [Indexed: 11/16/2022] Open
Abstract
Organisms lacking external defense mechanisms have developed chemical defense strategies, particularly through the production of secondary metabolites with antibiotic or repellent effects. Secondary metabolites from marine organisms have proven to be an exceptionally rich source of small molecules with pharmacological activities potentially beneficial to human health. (+)-Aeroplysinin-1 is a secondary metabolite isolated from marine sponges with a wide spectrum of bio-activities. (+)-Aeroplysinin-1 has potent antibiotic effects on Gram-positive bacteria and several dinoflagellate microalgae causing toxic blooms. In preclinical studies, (+)-aeroplysinin-1 has been shown to have promising anti-inflammatory, anti-angiogenic and anti-tumor effects. Due to its versatility, (+)-aeroplysinin-1 might have a pharmaceutical interest for the treatment of different pathologies.
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Affiliation(s)
- Javier A García-Vilas
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga 29071, Spain.
- CIBER de Enfermedades Raras (CIBERER), Málaga E-29071, Spain.
| | - Beatriz Martínez-Poveda
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga 29071, Spain.
| | - Ana R Quesada
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga 29071, Spain.
- CIBER de Enfermedades Raras (CIBERER), Málaga E-29071, Spain.
| | - Miguel Ángel Medina
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, and IBIMA (Biomedical Research Institute of Málaga), Universidad de Málaga, Andalucía Tech, Málaga 29071, Spain.
- CIBER de Enfermedades Raras (CIBERER), Málaga E-29071, Spain.
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115
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A New Analogue of Echinomycin and a New Cyclic Dipeptide from a Marine-Derived Streptomyces sp. LS298. Mar Drugs 2015; 13:6947-61. [PMID: 26593927 PMCID: PMC4663560 DOI: 10.3390/md13116947] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 11/05/2015] [Accepted: 11/06/2015] [Indexed: 11/16/2022] Open
Abstract
Quinomycin G (1), a new analogue of echinomycin, together with a new cyclic dipeptide, cyclo-(l-Pro-4-OH-l-Leu) (2), as well as three known antibiotic compounds tirandamycin A (3), tirandamycin B (4) and staurosporine (5), were isolated from Streptomyces sp. LS298 obtained from a marine sponge Gelliodes carnosa. The planar and absolute configurations of compounds 1 and 2 were established by MS, NMR spectral data analysis and Marfey’s method. Furthermore, the differences in NMR data of keto-enol tautomers in tirandamycins were discussed for the first time. Antibacterial and anti-tumor activities of compound 1 were measured against 15 drug-sensitive/resistant strains and 12 tumor cell lines. Compound 1 exhibited moderate antibacterial activities against Staphylococcuse pidermidis, S. aureus, Enterococcus faecium, and E. faecalis with the minimum inhibitory concentration (MIC) values ranged from 16 to 64 μg/mL. Moreover, it displayed remarkable anti-tumor activities; the highest activity was observed against the Jurkat cell line (human T-cell leukemia) with an IC50 value of 0.414 μM.
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Liu T, Zhang S, Li Z, Wang Y, Chen Z, Bai J, Tian L, Pei Y, Hua H. A new polyketide, penicillolide from the marine-derived fungus Penicillium sacculum. Nat Prod Res 2015; 30:1025-9. [DOI: 10.1080/14786419.2015.1101693] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Tao Liu
- Department of Natural Products Chemistry, School of Pharmacy, China Medical University, Shenyang, China
| | - Songya Zhang
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Zhanlin Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Yu Wang
- Department of Natural Products Chemistry, School of Pharmacy, China Medical University, Shenyang, China
| | - Zaixing Chen
- Department of the Central Laboratory, School of Pharmacy, China Medical University, Shenyang, China
| | - Jiao Bai
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Li Tian
- Qingdao Key Lab of Analytical Technology Development and Standardization of Chinese Medicines, The First Institute of Oceanography SOA, Qingdao, China
- Department of Biology, Qingdao University of Science & Technology, Qingdao, China
| | - Yuehu Pei
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
| | - Huiming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, China
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Yamazaki H, Rotinsulu H, Narita R, Takahashi R, Namikoshi M. Induced Production of Halogenated Epidithiodiketopiperazines by a Marine-Derived Trichoderma cf. brevicompactum with Sodium Halides. JOURNAL OF NATURAL PRODUCTS 2015; 78:2319-2321. [PMID: 26439145 DOI: 10.1021/acs.jnatprod.5b00669] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Marine-derived Trichoderma sp. TPU199 (cf. T. brevicompactum) produced gliovirin (1), pretrichodermamide A (2), and trichodermamide A (3) in a freshwater medium. Compounds 1 and 2 are rare epidithiodiketopiperazines possessing an unusual disulfide linkage. In the seawater medium, the strain biosynthesized the 5-chloro-5-deoxy derivatives (4 and 5) of 3 and 2. The production of 5 was proportional to the concentration of seawater (NaCl). Therefore, 5-bromo-5-deoxy (6) and 5-deoxy-5-iodo (7) derivatives were biosynthesized in the freshwater media supplemented with NaBr and NaI, respectively. The structure of a new iodo derivative (7) was elucidated on the basis of its spectroscopic data.
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Affiliation(s)
- Hiroyuki Yamazaki
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Henki Rotinsulu
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
- Research Institute, University of Pembangunan Indonesia , Bahu, Manado 95115, Indonesia
| | - Reika Narita
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Ryosuke Takahashi
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
| | - Michio Namikoshi
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University , Aoba-ku, Sendai 981-8558, Japan
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Kim JW, Ko SK, Son S, Shin KS, Ryoo IJ, Hong YS, Oh H, Hwang BY, Hirota H, Takahashi S, Kim BY, Osada H, Jang JH, Ahn JS. Haenamindole, an unusual diketopiperazine derivative from a marine-derived Penicillium sp. KCB12F005. Bioorg Med Chem Lett 2015; 25:5398-401. [PMID: 26403931 DOI: 10.1016/j.bmcl.2015.09.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 08/25/2015] [Accepted: 09/09/2015] [Indexed: 10/23/2022]
Abstract
During the chemical investigation of marine-derived fungus, an unusual diketopiperazine (DKP) alkaloid, haenamindole (1), was isolated from a culture of the marine-derived fungus Penicillium sp. KCB12F005. The structure of 1, which possesses benzyl-hydroxypiperazindione and phenyl-pyrimidoindole rings system in the molecule, was elucidated by analysis of NMR and MS data. The stereochemistry of 1 was determined by ROESY and advanced Marfey's method.
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Affiliation(s)
- Jong Won Kim
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; College of Pharmacy, Chungbuk National University, Chungbuk 362-763, Republic of Korea
| | - Sung-Kyun Ko
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Sangkeun Son
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Kee-Sun Shin
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea
| | - In-Ja Ryoo
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea
| | - Young-Soo Hong
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Hyuncheol Oh
- College of Pharmacy, Wonkwang University, Jeonbuk 570-749, Republic of Korea
| | - Bang Yeon Hwang
- College of Pharmacy, Chungbuk National University, Chungbuk 362-763, Republic of Korea
| | - Hiroshi Hirota
- RIKEN-KRIBB Joint Research Unit, Global Research Cluster, RIKEN, Saitama 351-0198, Japan
| | - Shunji Takahashi
- RIKEN-KRIBB Joint Research Unit, Global Research Cluster, RIKEN, Saitama 351-0198, Japan
| | - Bo Yeon Kim
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea
| | - Hiroyuki Osada
- Chemical Biology Research Group, RIKEN CSRS, Saitama 351-0198, Japan
| | - Jae-Hyuk Jang
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea.
| | - Jong Seog Ahn
- Korea Research Institute of Bioscience and Biotechnology, Chungbuk 363-883, Republic of Korea; Department of Biomolecular Science, University of Science and Technology, Daejeon 305-333, Republic of Korea.
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Mohamedin AH, El-Naggar NEA, A. Sherief AED, Hussien SM. Optimization of Bioactive Metabolites production by a Newly Isolated Marine Streptomyces sp. Using Statistical Approach. BIOTECHNOLOGY(FAISALABAD) 2015; 14:211-224. [DOI: 10.3923/biotech.2015.211.224] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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120
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Bu YY, Yamazaki H, Takahashi O, Kirikoshi R, Ukai K, Namikoshi M. Penicyrones A and B, an epimeric pair of α-pyrone-type polyketides produced by the marine-derived Penicillium sp. J Antibiot (Tokyo) 2015; 69:57-61. [DOI: 10.1038/ja.2015.82] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/30/2015] [Accepted: 07/03/2015] [Indexed: 11/09/2022]
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121
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Li DH, Han T, Guan LP, Bai J, Zhao N, Li ZL, Wu X, Hua HM. New naphthopyrones from marine-derived fungus Aspergillus niger 2HL-M-8 and their in vitro antiproliferative activity. Nat Prod Res 2015; 30:1116-22. [DOI: 10.1080/14786419.2015.1043553] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Da-Hong Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Tong Han
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Li-Ping Guan
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Jiao Bai
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Nan Zhao
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Zhan-Lin Li
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Xin Wu
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
| | - Hui-Ming Hua
- Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education and School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, P.R. China
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Yunianto P, Rusman Y, Saepudin E, Suwarso WP, Sumaryono W. Alkaloid (Meleagrine and Chrysogine) from endophytic fungi (Penicillium sp.) of Annona squamosa L. Pak J Biol Sci 2015; 17:667-74. [PMID: 26030999 DOI: 10.3923/pjbs.2014.667.674] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Several endophytic fungal strains from Srikaya plants (Annona squamosa L.) have been isolated and one of them was identified as Penicillium sp. Penicillium has been proven as an established source for a wide array of unique bioactive secondary metabolites that exhibit a variety of biological activities. The aim of this study is isolation of secondary metabolite from Penicillium, an endophytic of A. squamosa L. Penicillium sp. from endophytic of A. squamosa L. was fermented in Wicherham media. The whole extract from both liquid media and mycelium was partitioned by ethyl acetate and evaporated to obtain crude ethyl acetate extract. The ethyl acetate extract was then brokedown using column chromatography with silica as stationary phase and mixture of ethyl acetate/methanol (98%:2%) as mobile phase and then was separated by sephadex column. Structure elucidation of isolated compounds were mainly done by analysis of one and two dimensional NMR (Nuclear Magnetic Resonance) data and supported by HPLC (High performance Liquid Chromatography) and MS-TOF (Mass Spectrometer-Time of Flight). Isolated secondary metabolites were tested using in vitro assays for anticancer and antimicrobial activity. For anticancer activity, the metabolites were tested against breast cancer cells (MCF-7) using MTT assay, while for antimicrobial activity was performed using disk diffusion assays. From these physical, chemical and spectral evidences that the secondary metabolites were confirmed as Chrysogine and Meleagrine. Chrysogine and Meleagrine have no activity as anticancer and antimicrobial.
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123
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Zhang Y, Li X, Bartlett DH, Xiao X. Current developments in marine microbiology: high-pressure biotechnology and the genetic engineering of piezophiles. Curr Opin Biotechnol 2015; 33:157-64. [DOI: 10.1016/j.copbio.2015.02.013] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 02/22/2015] [Accepted: 02/24/2015] [Indexed: 01/07/2023]
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124
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Swain SS, Padhy RN, Singh PK. Anticancer compounds from cyanobacterium Lyngbya species: a review. Antonie van Leeuwenhoek 2015; 108:223-65. [DOI: 10.1007/s10482-015-0487-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Accepted: 05/19/2015] [Indexed: 10/23/2022]
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125
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Wu CJ, Yi L, Cui CB, Li CW, Wang N, Han X. Activation of the silent secondary metabolite production by introducing neomycin-resistance in a marine-derived Penicillium purpurogenum G59. Mar Drugs 2015; 13:2465-87. [PMID: 25913704 PMCID: PMC4413221 DOI: 10.3390/md13042465] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Revised: 03/31/2015] [Accepted: 04/08/2015] [Indexed: 02/07/2023] Open
Abstract
Introduction of neomycin-resistance into a marine-derived, wild-type Penicillium purpurogenum G59 resulted in activation of silent biosynthetic pathways for the secondary metabolite production. Upon treatment of G59 spores with neomycin and dimethyl sulfoxide (DMSO), a total of 56 mutants were obtained by single colony isolation. The acquired resistance of mutants to neomycin was testified by the resistance test. In contrast to the G59 strain, the EtOAc extracts of 28 mutants inhibited the human cancer K562 cells, indicating that the 28 mutants have acquired the capability to produce bioactive metabolites. HPLC-photodiode array detector (PDAD)-UV and HPLC-electron spray ionization (ESI)-MS analyses further indicated that diverse secondary metabolites have been newly produced in the bioactive mutant extracts. Followed isolation and characterization demonstrated that five bioactive secondary metabolites, curvularin (1), citrinin (2), penicitrinone A (3), erythro-23-O-methylneocyclocitrinol (4) and 22E-7α-methoxy-5α,6α-epoxyergosta-8(14),22-dien-3β-ol (5), were newly produced by a mutant, 4-30, compared to the G59 strain. All 1–5 were also not yet found in the secondary metabolites of other wild type P. purpurogenum strains. Compounds 1–5 inhibited human cancer K562, HL-60, HeLa and BGC-823 cells to varying extents. Both present bioassays and chemical investigations demonstrated that the introduction of neomycin-resistance into the marine-derived fungal G59 strain could activate silent secondary metabolite production. The present work not only extended the previous DMSO-mediated method for introducing drug-resistance in fungi both in DMSO concentrations and antibiotics, but also additionally exemplified effectiveness of this method for activating silent fungal secondary metabolites. This method could be applied to other fungal isolates to elicit their metabolic potentials to investigate secondary metabolites from silent biosynthetic pathways.
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Affiliation(s)
- Chang-Jing Wu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Le Yi
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
| | - Cheng-Bin Cui
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Chang-Wei Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
| | - Nan Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
| | - Xiao Han
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China.
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Antibacterial products of marine organisms. Appl Microbiol Biotechnol 2015; 99:4145-73. [PMID: 25874533 DOI: 10.1007/s00253-015-6553-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 03/17/2015] [Accepted: 03/19/2015] [Indexed: 10/23/2022]
Abstract
Marine organisms comprising microbes, plants, invertebrates, and vertebrates elaborate an impressive array of structurally diverse antimicrobial products ranging from small cyclic compounds to macromolecules such as proteins. Some of these biomolecules originate directly from marine animals while others arise from microbes associated with the animals. It is noteworthy that some of the biomolecules referred to above are structurally unique while others belong to known classes of compounds, peptides, and proteins. Some of the antibacterial agents are more active against Gram-positive bacteria while others have higher effectiveness on Gram-negative bacteria. Some are efficacious against both Gram-positive and Gram-negative bacteria and against drug-resistant strains as well. The mechanism of antibacterial action of a large number of the chemically identified antibacterial agents, possible synergism with currently used antibiotics, and the issue of possible toxicity on mammalian cells and tissues await elucidation. The structural characteristics pivotal to antibacterial activity have been ascertained in only a few studies. Demonstration of efficacy of the antibacterial agents in animal models of bacterial infection is highly desirable. Structural characterization of the active principles present in aqueous and organic extracts of marine organisms with reportedly antibacterial activity would be desirable.
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127
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Liao L, You M, Chung BK, Oh DC, Oh KB, Shin J. Alkaloidal metabolites from a marine-derived Aspergillus sp. fungus. JOURNAL OF NATURAL PRODUCTS 2015; 78:349-354. [PMID: 25581396 DOI: 10.1021/np500683u] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Fumiquinazoline S (1), a new quinazoline-containing alkaloid, and the known fumiquinazolines F (6) and L (7) of the same structural class were isolated from the solid-substrate culture of an Aspergillus sp. fungus collected from marine-submerged wood. In addition, isochaetominines A-C (2-4) and 14-epi-isochaetominine C (5), new alkaloids possessing an unusual amino acid-based tetracyclic core framework related to the fumiquinazolines, were isolated from the same fungal strain. The structures of these compounds were determined by combined spectroscopic methods, and the absolute configurations were assigned by NOESY, ROESY, and advanced Marfey's analyses along with biogenetic considerations. The new compounds exhibited weak inhibition against Na(+)/K(+)-ATPase.
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Affiliation(s)
- Lijuan Liao
- †Natural Products Research Institute, College of Pharmacy, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-742, Korea
| | - Minjung You
- †Natural Products Research Institute, College of Pharmacy, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-742, Korea
| | - Beom Koo Chung
- ‡Department of Agricultural Biotechnology, College of Agriculture and Life Science, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-921, Korea
| | - Dong-Chan Oh
- †Natural Products Research Institute, College of Pharmacy, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-742, Korea
| | - Ki-Bong Oh
- ‡Department of Agricultural Biotechnology, College of Agriculture and Life Science, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-921, Korea
| | - Jongheon Shin
- †Natural Products Research Institute, College of Pharmacy, Seoul National University, San 56-1, Sillim, Gwanak, Seoul 151-742, Korea
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Rodrigues BSF, Sahm BDB, Jimenez PC, Pinto FCL, Mafezoli J, Mattos MC, Rodrigues-Filho E, Pfenning LH, Abreu LM, Costa-Lotufo LV, Oliveira MCF. Bioprospection of Cytotoxic Compounds in Fungal Strains Recovered from Sediments of the Brazilian Coast. Chem Biodivers 2015; 12:432-42. [DOI: 10.1002/cbdv.201400193] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Indexed: 11/08/2022]
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129
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Lumazine peptides from the marine-derived fungus Aspergillus terreus. Mar Drugs 2015; 13:1290-303. [PMID: 25775424 PMCID: PMC4377984 DOI: 10.3390/md13031290] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 03/02/2015] [Accepted: 03/02/2015] [Indexed: 12/26/2022] Open
Abstract
Terrelumamides A (1) and B (2), two new lumazine-containing peptides, were isolated from the culture broth of the marine-derived fungus Aspergillus terreus. From the results of combined spectroscopic and chemical analyses, the structures of these compounds were determined to be linear assemblies of 1-methyllumazine-6-carboxylic acid, an amino acid residue and anthranilic acid methyl ester connected by peptide bonds. These new compounds exhibited pharmacological activity by improving insulin sensitivity, which was evaluated in an adipogenesis model using human bone marrow mesenchymal stem cells. In addition, the compounds exhibited fluorescence changes upon binding to DNA, demonstrating their potential applications to DNA sequence recognition.
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130
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131
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Bu YY, Yamazaki H, Ukai K, Namikoshi M. Penicillimide, an open-chain hemisuccinimide from Okinawan marine-derived Penicillium copticola. J Antibiot (Tokyo) 2015; 68:537-9. [PMID: 25712394 DOI: 10.1038/ja.2015.21] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/29/2015] [Accepted: 02/03/2015] [Indexed: 01/08/2023]
Affiliation(s)
- Ying-Yue Bu
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University, Sendai, Japan
| | - Hiroyuki Yamazaki
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University, Sendai, Japan
| | - Kazuyo Ukai
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University, Sendai, Japan
| | - Michio Namikoshi
- Faculty of Pharmaceutical Sciences, Tohoku Pharmaceutical University, Sendai, Japan
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Description of Thalassospira lohafexi sp. nov., isolated from Southern Ocean, Antarctica. Arch Microbiol 2015; 197:627-37. [DOI: 10.1007/s00203-015-1092-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Revised: 01/30/2015] [Accepted: 02/09/2015] [Indexed: 10/24/2022]
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133
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Domingos TFS, Vallim MA, Cavalcanti DN, Sanchez EF, Teixeira VL, Fuly AL. Effect of diterpenes isolated of the marine alga Canistrocarpus cervicornis against some toxic effects of the venom of the bothrops jararaca snake. Molecules 2015; 20:3515-26. [PMID: 25699595 PMCID: PMC6272259 DOI: 10.3390/molecules20033515] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 02/12/2015] [Accepted: 02/13/2015] [Indexed: 11/21/2022] Open
Abstract
Snake venoms are composed of a complex mixture of active proteins and peptides which induce a wide range of toxic effects. Envenomation by Bothrops jararaca venom results in hemorrhage, edema, pain, tissue necrosis and hemolysis. In this work, the effect of a mixture of two secodolastane diterpenes (linearol/isolinearol), previously isolated from the Brazilian marine brown alga, Canistrocarpus cervicornis, was evaluated against some of the toxic effects induced by B. jararaca venom. The mixture of diterpenes was dissolved in dimethylsulfoxide and incubated with venom for 30 min at room temperature, and then several in vivo (hemorrhage, edema and lethality) and in vitro (hemolysis, plasma clotting and proteolysis) assays were performed. The diterpenes inhibited hemolysis, proteolysis and hemorrhage, but failed to inhibit clotting and edema induced by B. jararaca venom. Moreover, diterpenes partially protected mice from lethality caused by B. jararaca venom. The search for natural inhibitors of B. jararaca venom in C. cervicornis algae is a relevant subject, since seaweeds are a rich and powerful source of active molecules which are as yet but poorly explored. Our results suggest that these diterpenes have the potential to be used against Bothropic envenomation accidents or to improve traditional treatments for snake bites.
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Affiliation(s)
- Thaisa Francielle Souza Domingos
- Department of Molecular and Cellular Biology, Institute of Biology, Federal Fluminense University, Niteroi 24020-141, RJ, Brazil.
| | - Magui Aparecida Vallim
- Department of Marine Biology, Institute of Biology, Federal Fluminense University, Niteroi 24020-141, RJ, Brazil.
| | - Diana Negrão Cavalcanti
- Department of Marine Biology, Institute of Biology, Federal Fluminense University, Niteroi 24020-141, RJ, Brazil.
| | | | - Valéria Laneuville Teixeira
- Department of Marine Biology, Institute of Biology, Federal Fluminense University, Niteroi 24020-141, RJ, Brazil.
| | - André Lopes Fuly
- Department of Molecular and Cellular Biology, Institute of Biology, Federal Fluminense University, Niteroi 24020-141, RJ, Brazil.
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Statistical research on the bioactivity of new marine natural products discovered during the 28 years from 1985 to 2012. Mar Drugs 2015; 13:202-21. [PMID: 25574736 PMCID: PMC4306932 DOI: 10.3390/md13010202] [Citation(s) in RCA: 144] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 12/22/2014] [Indexed: 01/08/2023] Open
Abstract
Every year, hundreds of new compounds are discovered from the metabolites of marine organisms. Finding new and useful compounds is one of the crucial drivers for this field of research. Here we describe the statistics of bioactive compounds discovered from marine organisms from 1985 to 2012. This work is based on our database, which contains information on more than 15,000 chemical substances including 4196 bioactive marine natural products. We performed a comprehensive statistical analysis to understand the characteristics of the novel bioactive compounds and detail temporal trends, chemical structures, species distribution, and research progress. We hope this meta-analysis will provide useful information for research into the bioactivity of marine natural products and drug development.
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135
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Anti-proliferative effects of isosclerone isolated from marine fungus Aspergillus fumigatus in MCF-7 human breast cancer cells. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.08.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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136
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137
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Two butenolides with PPARα agonistic activity from a marine-derived Streptomyces. J Antibiot (Tokyo) 2014; 68:345-7. [PMID: 25388602 DOI: 10.1038/ja.2014.151] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Revised: 09/23/2014] [Accepted: 10/04/2014] [Indexed: 11/08/2022]
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138
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Chromatographic Characterization and GC-MS Evaluation of the Bioactive Constituents with Antimicrobial Potential from the Pigmented Ink of Loligo duvauceli. INTERNATIONAL SCHOLARLY RESEARCH NOTICES 2014; 2014:820745. [PMID: 27437466 PMCID: PMC4897200 DOI: 10.1155/2014/820745] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 08/27/2014] [Accepted: 09/10/2014] [Indexed: 11/18/2022]
Abstract
Chromatographic characterization and the GC-MS evaluation of the black pigmented ink of Loligo duvauceli in the present study have yielded an array of bioactive compounds with potent antimicrobial property. Facing an alarm of antimicrobial resistance globally, a need for elucidating antimicrobial agents from natural sources will be the need for the hour. In this view, this study is aimed at characterizing the black pigmented ink of the Indian squid L. duvauceli. The squid ink was subjected to crude solvent extraction and was fractionated by silica gel column chromatography. TLC and HPTLC profiles were recorded. Antimicrobial bioassay of the squid ink fractions was done by agar well diffusion method. The antimicrobial fraction was then characterized using GC-MS analysis. The results showed that the n-hexane extract upon column fractionation yielded a total of 8 fractions with the mobile phase of Hex/EtOAc in different gradients. TLC and HPTLC profiles showed a single spot with a retention factor of 0.76. Fraction 1 showed significant antibacterial activity against Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus, and Lactobacillus acidophilus and a promising antifungal activity against Candida albicans. The antimicrobial fraction upon GC-MS analysis of bis(2-ethylhexyl) phthalate (BEHP) possesses the highest percentage of area normalisation (91%) with other few minor constituents. The study is concluded by stating that the antimicrobial efficacy of the squid ink might be due to the synergistic effects of the phthalate derivative and the other minor volatile compounds analysed in the squid ink.
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139
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Singh S, Prasad P, Subramani R, Aalbersberg W. Production and purification of a bioactive substance against multi-drug resistant human pathogens from the marine-sponge-derived Salinispora sp. Asian Pac J Trop Biomed 2014. [DOI: 10.12980/apjtb.4.2014c1154] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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140
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Dewapriya P, Li YX, Himaya S, Kim SK. Isolation and characterization of marine-derived Mucor sp. for the fermentative production of tyrosol. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.06.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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141
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Activation of dormant secondary metabolite production by introducing neomycin resistance into the deep-sea fungus, Aspergillus versicolor ZBY-3. Mar Drugs 2014; 12:4326-52. [PMID: 25076061 PMCID: PMC4145319 DOI: 10.3390/md12084326] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 06/20/2014] [Accepted: 07/08/2014] [Indexed: 12/02/2022] Open
Abstract
A new ultrasound-mediated approach has been developed to introduce neomycin-resistance to activate silent pathways for secondary metabolite production in a bio-inactive, deep-sea fungus, Aspergillus versicolor ZBY-3. Upon treatment of the ZBY-3 spores with a high concentration of neomycin by proper ultrasound irradiation, a total of 30 mutants were obtained by single colony isolation. The acquired resistance of the mutants to neomycin was confirmed by a resistance test. In contrast to the ZBY-3 strain, the EtOAc extracts of 22 of the 30 mutants inhibited the human cancer K562 cells, indicating that these mutants acquired a capability to produce antitumor metabolites. HPLC-photodiode array detector (PDAD)-UV and HPLC-electron spray ionization (ESI)-MS analyses of the EtOAc extracts of seven bioactive mutants and the ZBY-3 strain indicated that diverse secondary metabolites have been newly produced in the mutant extracts in contrast to the ZBY-3 extract. The followed isolation and characterization demonstrated that six metabolites, cyclo(d-Pro-d-Phe) (1), cyclo(d-Tyr-d-Pro) (2), phenethyl 5-oxo-l-prolinate (3), cyclo(l-Ile-l-Pro) (4), cyclo(l-Leu-l-Pro) (5) and 3β,5α,9α-trihydroxy-(22E,24R)-ergosta-7,22-dien-6-one (6), were newly produced by the mutant u2n2h3-3 compared to the parent ZBY-3 strain. Compound 3 was a new compound; 2 was isolated from a natural source for the first time, and all of these compounds were also not yet found in the metabolites of other A. versicolor strains. Compounds 1–6 inhibited the K562 cells, with inhibition rates of 54.6% (1), 72.9% (2), 23.5% (3), 29.6% (4), 30.9% (5) and 51.1% (6) at 100 μg/mL, and inhibited also other human cancer HL-60, BGC-823 and HeLa cells, to some extent. The present study demonstrated the effectiveness of the ultrasound-mediated approach to activate silent metabolite production in fungi by introducing acquired resistance to aminoglycosides and its potential for discovering new compounds from silent fungal metabolic pathways. This approach could be applied to elicit the metabolic potentials of other fungal isolates to discover new compounds from cryptic secondary metabolites.
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142
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Emerging strategies and integrated systems microbiology technologies for biodiscovery of marine bioactive compounds. Mar Drugs 2014; 12:3516-59. [PMID: 24918453 PMCID: PMC4071589 DOI: 10.3390/md12063516] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 05/21/2014] [Accepted: 05/22/2014] [Indexed: 12/30/2022] Open
Abstract
Marine microorganisms continue to be a source of structurally and biologically novel compounds with potential use in the biotechnology industry. The unique physiochemical properties of the marine environment (such as pH, pressure, temperature, osmolarity) and uncommon functional groups (such as isonitrile, dichloroimine, isocyanate, and halogenated functional groups) are frequently found in marine metabolites. These facts have resulted in the production of bioactive substances with different properties than those found in terrestrial habitats. In fact, the marine environment contains a relatively untapped reservoir of bioactivity. Recent advances in genomics, metagenomics, proteomics, combinatorial biosynthesis, synthetic biology, screening methods, expression systems, bioinformatics, and the ever increasing availability of sequenced genomes provides us with more opportunities than ever in the discovery of novel bioactive compounds and biocatalysts. The combination of these advanced techniques with traditional techniques, together with the use of dereplication strategies to eliminate known compounds, provides a powerful tool in the discovery of novel marine bioactive compounds. This review outlines and discusses the emerging strategies for the biodiscovery of these bioactive compounds.
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143
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Nine new and five known polyketides derived from a deep sea-sourced Aspergillus sp. 16-02-1. Mar Drugs 2014; 12:3116-37. [PMID: 24871461 PMCID: PMC4071568 DOI: 10.3390/md12063116] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 04/12/2014] [Accepted: 04/16/2014] [Indexed: 11/17/2022] Open
Abstract
Nine new C9 polyketides, named aspiketolactonol (1), aspilactonols A–F (2–7), aspyronol (9) and epiaspinonediol (11), were isolated together with five known polyketides, (S)-2-(2′-hydroxyethyl)-4-methyl-γ-butyrolactone (8), dihydroaspyrone (10), aspinotriol A (12), aspinotriol B (13) and chaetoquadrin F (14), from the secondary metabolites of an Aspergillus sp. 16-02-1 that was isolated from a deep-sea sediment sample. Structures of the new compounds, including their absolute configurations, were determined by spectroscopic methods, especially the 2D NMR, circular dichroism (CD), Mo2-induced CD and Mosher’s 1H NMR analyses. Compound 8 was isolated from natural sources for the first time, and the possible biosynthetic pathways for 1–14 were also proposed and discussed. Compounds 1–14 inhibited human cancer cell lines, K562, HL-60, HeLa and BGC-823, to varying extents.
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144
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145
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Antibacterial and antiyeast compounds from marine-derived bacteria. Mar Drugs 2014; 12:2913-21. [PMID: 24828294 PMCID: PMC4052323 DOI: 10.3390/md12052913] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Revised: 03/04/2014] [Accepted: 04/18/2014] [Indexed: 01/08/2023] Open
Abstract
Two new (2 and 3) and a known (1) antimicrobial compounds were isolated from EtOAc extracts of two marine bacterial strains cultured in modified Bennett’s broth medium. The structures of these compounds were determined based on the analysis of nuclear magnetic resonance (NMR), high resolution mass spectroscopy (HRMS), literature data review and considering biogenesis. All the compounds (1–3) demonstrated in vitro antimicrobial activities against selected pathogenic strains.
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146
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Hartmann EM, Durighello E, Pible O, Nogales B, Beltrametti F, Bosch R, Christie-Oleza JA, Armengaud J. Proteomics meets blue biotechnology: a wealth of novelties and opportunities. Mar Genomics 2014; 17:35-42. [PMID: 24780860 DOI: 10.1016/j.margen.2014.04.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 04/11/2014] [Accepted: 04/12/2014] [Indexed: 10/25/2022]
Abstract
Blue biotechnology, in which aquatic environments provide the inspiration for various products such as food additives, aquaculture, biosensors, green chemistry, bioenergy, and pharmaceuticals, holds enormous promise. Large-scale efforts to sequence aquatic genomes and metagenomes, as well as campaigns to isolate new organisms and culture-based screenings, are helping to push the boundaries of known organisms. Mass spectrometry-based proteomics can complement 16S gene sequencing in the effort to discover new organisms of potential relevance to blue biotechnology by facilitating the rapid screening of microbial isolates and by providing in depth profiles of the proteomes and metaproteomes of marine organisms, both model cultivable isolates and, more recently, exotic non-cultivable species and communities. Proteomics has already contributed to blue biotechnology by identifying aquatic proteins with potential applications to food fermentation, the textile industry, and biomedical drug development. In this review, we discuss historical developments in blue biotechnology, the current limitations to the known marine biosphere, and the ways in which mass spectrometry can expand that knowledge. We further speculate about directions that research in blue biotechnology will take given current and near-future technological advancements in mass spectrometry.
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Affiliation(s)
- Erica M Hartmann
- CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols-sur-Cèze, F-30207, France
| | - Emie Durighello
- CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols-sur-Cèze, F-30207, France
| | - Olivier Pible
- CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols-sur-Cèze, F-30207, France
| | - Balbina Nogales
- Microbiologia, Departament de Biologia, Universitat de les Illes Balears, Palma de Mallorca, Spain
| | | | - Rafael Bosch
- Microbiologia, Departament de Biologia, Universitat de les Illes Balears, Palma de Mallorca, Spain
| | - Joseph A Christie-Oleza
- School of Life Sciences, University of Warwick, Gibbet Hill Road, Coventry CV47AL, United Kingdom
| | - Jean Armengaud
- CEA, DSV, IBEB, Lab Biochim System Perturb, Bagnols-sur-Cèze, F-30207, France.
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147
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Liao L, Lee JH, You M, Choi TJ, Park W, Lee SK, Oh DC, Oh KB, Shin J. Penicillipyrones A and B, meroterpenoids from a marine-derived Penicillium sp. fungus. JOURNAL OF NATURAL PRODUCTS 2014; 77:406-410. [PMID: 24437979 DOI: 10.1021/np400826p] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Penicillipyrones A (1) and B (2), two novel meroterpenoids, were isolated from the marine-derived fungus Penicillium sp. On the basis of the results of combined spectroscopic analyses, these compounds were structurally elucidated to be sesquiterpene γ-pyrones from a new skeletal class derived from a unique linkage pattern between the drimane sesquiterpene and pyrone moieties. Compound 2 elicited significant induction of quinone reductase.
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Affiliation(s)
- Lijuan Liao
- Natural Products Research Institute, College of Pharmacy, Seoul National University , San 56-1, Sillim, Gwanak, Seoul 151-742, Korea
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148
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Microorganisms living on macroalgae: diversity, interactions, and biotechnological applications. Appl Microbiol Biotechnol 2014; 98:2917-35. [PMID: 24562178 DOI: 10.1007/s00253-014-5557-2] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 01/17/2014] [Accepted: 01/20/2014] [Indexed: 01/02/2023]
Abstract
Marine microorganisms play key roles in every marine ecological process, hence the growing interest in studying their populations and functions. Microbial communities on algae remain underexplored, however, despite their huge biodiversity and the fact that they differ markedly from those living freely in seawater. The study of this microbiota and of its relationships with algal hosts should provide crucial information for ecological investigations on algae and aquatic ecosystems. Furthermore, because these microorganisms interact with algae in multiple, complex ways, they constitute an interesting source of novel bioactive compounds with biotechnological potential, such as dehalogenases, antimicrobials, and alga-specific polysaccharidases (e.g., agarases, carrageenases, and alginate lyases). Here, to demonstrate the huge potential of alga-associated organisms and their metabolites in developing future biotechnological applications, we first describe the immense diversity and density of these microbial biofilms. We further describe their complex interactions with algae, leading to the production of specific bioactive compounds and hydrolytic enzymes of biotechnological interest. We end with a glance at their potential use in medical and industrial applications.
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149
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Martins A, Vieira H, Gaspar H, Santos S. Marketed marine natural products in the pharmaceutical and cosmeceutical industries: tips for success. Mar Drugs 2014; 12:1066-101. [PMID: 24549205 PMCID: PMC3944531 DOI: 10.3390/md12021066] [Citation(s) in RCA: 267] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 01/14/2014] [Accepted: 01/27/2014] [Indexed: 12/17/2022] Open
Abstract
The marine environment harbors a number of macro and micro organisms that have developed unique metabolic abilities to ensure their survival in diverse and hostile habitats, resulting in the biosynthesis of an array of secondary metabolites with specific activities. Several of these metabolites are high-value commercial products for the pharmaceutical and cosmeceutical industries. The aim of this review is to outline the paths of marine natural products discovery and development, with a special focus on the compounds that successfully reached the market and particularly looking at the approaches tackled by the pharmaceutical and cosmetic companies that succeeded in marketing those products. The main challenges faced during marine bioactives discovery and development programs were analyzed and grouped in three categories: biodiversity (accessibility to marine resources and efficient screening), supply and technical (sustainable production of the bioactives and knowledge of the mechanism of action) and market (processes, costs, partnerships and marketing). Tips to surpass these challenges are given in order to improve the market entry success rates of highly promising marine bioactives in the current pipelines, highlighting what can be learned from the successful and unsuccessful stories that can be applied to novel and/or ongoing marine natural products discovery and development programs.
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Affiliation(s)
- Ana Martins
- BIOALVO, S.A., Tec Labs Centro de Inovação, Campus da FCUL, Campo Grande, Lisboa 1749-016, Portugal.
| | - Helena Vieira
- BIOALVO, S.A., Tec Labs Centro de Inovação, Campus da FCUL, Campo Grande, Lisboa 1749-016, Portugal.
| | - Helena Gaspar
- Centro de Química e Bioquímica (CQB) and Departamento de Química e Bioquímica (DQB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa 1749-016, Portugal.
| | - Susana Santos
- Centro de Química e Bioquímica (CQB) and Departamento de Química e Bioquímica (DQB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa 1749-016, Portugal.
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150
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Ding L, He S, Yan X. Efficient preparation of pseudoalteromone A from marine Pseudoalteromonas rubra QD1-2 by combination of response surface methodology and high-speed counter-current chromatography: a comparison with high-performance liquid chromatography. Appl Microbiol Biotechnol 2014; 98:4369-77. [PMID: 24477384 DOI: 10.1007/s00253-014-5530-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 01/05/2014] [Accepted: 01/09/2014] [Indexed: 10/25/2022]
Abstract
Pseudoalteromone A (PA) is a cytotoxic and anti-inflammatory ubiquinone discovered recently from a marine bacterium Pseudoalteromonas sp. CGH2XX. In order to meet its sample supply for further in vivo pharmacological investigation, an efficient method was developed for the preparation of PA by combination of response surface methodology (RSM) and high-speed counter-current chromatography (HSCCC) from marine bacterium P. rubra QD1-2. First, optimization of culture conditions was studied by the RSM to enhance PA production. The results indicated that the optimal cultivation condition was peptone (2.21 g/l), yeast extract (3.125 g/l), glucose (0.125 g/l), KBr (0.02 g/l), inoculum size (6.5 %), medium volume (595 ml), initial pH value (7.0), temperature (28 °C). Under the optimized fermentation condition, PA production was 1.04 mg/l with 14.8-fold increase comparing to 0.07 mg/l under original standard fermentation condition. The PA production was further investigated using a 14-l jar fermenter. Compared to the flask culture, P. rubra QD1-2 offered 45 % increase of PA production at 1.51 mg/l. Then, a rapid and efficient method for the separation and purification of PA from crude culture extract was developed using HSCCC. The two-phase solvent system used for HSCCC separation was composed of n-hexane-ethyl acetate-methanol-water (5:5:9:5, v/v/v/v). The isolation was accomplished within 100 min, and the purity of PA was over 95 %. The recovery of the process was 93 %.
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Affiliation(s)
- Lijian Ding
- Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo, 315211, China
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