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Afzal S, Yadav AK, Poonia AK, Choure K, Yadav AN, Pandey A. Antimicrobial therapeutics isolated from algal source: retrospect and prospect. Biologia (Bratisl) 2023; 78:291-305. [PMID: 36159744 PMCID: PMC9486765 DOI: 10.1007/s11756-022-01207-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 08/12/2022] [Indexed: 01/26/2023]
Abstract
In the last few decades, attention on new natural antimicrobial compounds has arisen due to a change in consumer preferences and the increase in the number of resistant microorganisms. Algae are defined as photosynthetic organisms that demonstrate a wide range of adaptability to adverse environmental conditions like temperature extremes, photo-oxidation, high or low salinity, and osmotic stress. Algae are primarily known to produce large amounts of secondary metabolite against various kinds of pathogenic microbes. Among these algae, micro and microalgae of river, lake, and algae of oceanic origin have been reported to have antimicrobial activity against the bacteria and fungi of pathogenic nature. Various polar and non- polar extracts of micro- and macro algae have been used for the suppression of these pathogenic fungi. Apart from these, certain algal derivatives have also been isolated from these having antibacterial and antifungal potential. Among the bioactive molecules of algae, polysaccharides, sulphated polysaccharides, phyco-cyanobilins polyphenols, lectins, proteins lutein, vitamin E, B12 and K1, peptides, polyunsaturated fatty acids and pigments can be highlighted. In the present review, we will discuss the biological activity of these derived compounds as antifungal/ antibacterial agents and their most promising applications. A brief outline is also given for the prospects of these isolated phytochemicals and using algae as therapeutic in the dietary form. We have also tried to answer whether alga-derived metabolites can serve as potential therapeutics for the treatment of SARS-CoV-2 like viral infections too.
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Affiliation(s)
- Shadma Afzal
- Department of Biotechnology, Motilal Nehru national Institute of Technology Allahabad, Prayagraj, UP India
| | - Alok Kumar Yadav
- Department of Biotechnology, Motilal Nehru national Institute of Technology Allahabad, Prayagraj, UP India
| | - Anuj Kumar Poonia
- University Institute of Biotechnology , Chandigarh University, Chandigarh, Punjab India
| | - Kamlesh Choure
- Faculty of Life Science and Technology, Department of Biotechnology, AKS University, Satna, MP India
| | - Ajar Nath Yadav
- Department of Biotechnology, Eternal University, Baru Sahib Sirmour, HP India
| | - Ashutosh Pandey
- Faculty of Life Science and Technology, Department of Biotechnology, AKS University, Satna, MP India
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De La Fuente G, Pinteus S, Silva J, Alves C, Pedrosa R. Antioxidant and antimicrobial potential of six Fucoids from the Mediterranean Sea and the Atlantic Ocean. J Sci Food Agric 2022; 102:5568-5575. [PMID: 35439330 DOI: 10.1002/jsfa.11944] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 04/04/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUD In recent years, research on the bioactive properties of macroalgae has increased, due to the great interest in exploring new products that can contribute to improve human health and wellbeing. In the present study, the antioxidant and antimicrobial potential of six different brown algae of the Fucales order were evaluated, namely Ericaria selaginoides, Ericaria amentacea, Gongolaria baccata, Gongolaria usneoides, Cystoseira compressa and Sargassum vulgare (collected along the Mediterranean and Atlantic coasts). The antioxidant capacity was measured by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity, the oxygen radical absorbent capacity (ORAC) and the ferric reducing antioxidant power (FRAP) and were related to the total phenolic content (TPC). The antimicrobial activity was evaluated measuring the growth inhibition of Staphylococcus aureus, Pseudomonas aeruginosa and Candida albicans. RESULTS The highest antioxidant capacity was obtained for Ericaria selaginoides revealing the highest capacity to scavenge DPPH radical [half maximal effective concentration (EC50 ) = 27.02 μg mL-1 ], highest FRAP (1761.19 μmol FeSO4 equivalents g-1 extract), high ORAC (138.92 μmol TE g-1 extract), alongside to its high TPC (121.5 GAE g-1 extract). This species also reported the highest antimicrobial capacity against Staphylococcus aureus [half maximal inhibitory concentration (IC50 ) = 268 μg mL-1 ]. CONCLUSIONS Among all studied seaweed, Ericaria selaginoides reveals the highest antioxidant and antimicrobial activities, and thus should be explored as a natural food additive and/or functional ingredient. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Gina De La Fuente
- DiSTAV - Dipartimento di Scienze della Terra, dell'Ambiente e della Vita, Università degli Studi di Genova, Genoa, Italy
| | - Susete Pinteus
- MARE - Marine and Environmental Sciences Center, Polytechnic of Leiria, Peniche, Portugal
| | - Joana Silva
- MARE - Marine and Environmental Sciences Center, Polytechnic of Leiria, Peniche, Portugal
| | - Celso Alves
- MARE - Marine and Environmental Sciences Center, Polytechnic of Leiria, Peniche, Portugal
| | - Rui Pedrosa
- MARE - Marine and Environmental Sciences Center, ESTM, Polytechnic of Leiria, Peniche, Portugal
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Nag M, Lahiri D, Dey A, Sarkar T, Joshi S, Ray RR. Evaluation of algal active compounds as potent antibiofilm agent. J Basic Microbiol 2021; 62:1098-1109. [PMID: 34939676 DOI: 10.1002/jobm.202100470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/06/2021] [Accepted: 12/12/2021] [Indexed: 11/08/2022]
Abstract
Biofilm is the syntrophic association of microbial colonies that remain adhered to the biotic and abiotic surfaces with the help of self-secreted polymeric substances also termed extracellular polymeric substances. Chronic pathogenicity caused by biofilm-associated pathogenic microorganisms becomes a significant threat in biomedical research. An extensive search is being made for the antibiofilm agents made from natural sources or their biogenic derivatives due to their effectivity and nontoxicity. Algae being the producer of various biogenic substances are found capable of disintegrating biofilm matrix and eradication of biofilm without exerting any deterrent effect on other biotas in the ecosystem. The current trend in phycological studies includes the exploration of antifouling efficacy among various algal groups. The extracts prepared from about 225 microalgae and cyanobacteria species are found to have antibiofilm activity. Polyunsaturated fatty acids are the most important component in the algal extract with antibacterial and antibiofilm properties. The antibiofilm activity of the sulfated polysaccharides extracted from a marine alga could be effectively used to remove dental biofilm. Algal extracts are also being used for the preparation of different biogenically synthesized nanoparticles, which are being used as potent antibiofilm agents. Genome editing of algal species by CRISPR/Cas9 may make precise modifications in the algal DNA for improving the algal strains and production of a more effective antibiofouling agent.
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Affiliation(s)
- Moupriya Nag
- Department of Biotechnology, University of Engineering & Management, Kolkata, West Bengal, India
| | - Dibyajit Lahiri
- Department of Biotechnology, University of Engineering & Management, Kolkata, West Bengal, India
| | - Ankita Dey
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, West Bengal, India
| | - Tanmay Sarkar
- Malda Polytechnic, West Bengal State Council of Technical Education, Government of West Bengal, Malda, India
| | - Sanket Joshi
- Oil & Gas Research Center, Central Analytical and Applied Research Unit, Sultan Qaboos University, Muscat, Sultanate of Oman
| | - Rina R Ray
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, Haringhata, West Bengal, India
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Rauf A, Rashid U, Khalil AA, Khan SA, Anwar S, Alafnan A, Alamri A, Rengasamy KR. Docking-based virtual screening and identification of potential COVID-19 main protease inhibitors from brown algae. S Afr J Bot 2021; 143:428-434. [PMID: 34226782 PMCID: PMC8245353 DOI: 10.1016/j.sajb.2021.06.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 04/20/2021] [Accepted: 06/22/2021] [Indexed: 05/05/2023]
Abstract
COVID-19 (SARS-CoV-2) is a viral disease that causes acute respiratory syndrome, which has increased the morbidity and mortality rate throughout the world. World Health Organization has declared this COVID-19 outbreak as pandemic and classified health emergency throughout the world. In the recent past, outbreaks of SARS and MERS have shown the interspecies transmission potential of coronaviruses and limitations of already prescribed drugs to overcome this global public health issue. Therefore, there is a dire need to identify a new regimen of targeted drugs from natural compounds having anti-COVID19 potential. This study aimed at screening 1018 brown algal natural compounds (many of them previously reported to have immunomodulatory effects) having probable anti-COVID19 potentials. The source compounds were extracted from MarinLit, a database dedicated to marine natural products and screened against COVID-19 main protease. The top seven compounds were further analysed, and their interactions with the active site were visualized. This study will further warrant screening the potent compounds against the virus in-vitro conditions.
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Affiliation(s)
- Abdur Rauf
- Department of Chemistry, University of Swabi, Anbar, K.P.K 23561, Pakistan
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, 22060, Pakistan
| | - Anees Ahmed Khalil
- Faculty of Allied Health Sciences, University Institute of Diet and Nutritional Sciences, The University of Lahore, Pakistan
| | - Shahid Ali Khan
- Department of Chemistry, University of Swabi, Anbar, K.P.K 23561, Pakistan
| | - Sirajudheen Anwar
- Pharmacology and Toxicology Department, College of Pharmacy, University of Hail, 81451, Saudi Arabia
| | - Ahmed Alafnan
- Pharmacology and Toxicology Department, College of Pharmacy, University of Hail, 81451, Saudi Arabia
| | - Abdulhakeem Alamri
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, Taif University, P. O. Box 11099, Taif 21944, Saudi Arabia
| | - Kannan Rr Rengasamy
- Green Biotechnologies Research Centre of Excellence, University of Limpopo, Private Bag X1106, Polokwane, Sovenga 0727, South Africa
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Vicente TFL, Lemos MFL, Félix R, Valentão P, Félix C. Marine Macroalgae, a Source of Natural Inhibitors of Fungal Phytopathogens. J Fungi (Basel) 2021; 7:1006. [PMID: 34946989 PMCID: PMC8708330 DOI: 10.3390/jof7121006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/17/2021] [Accepted: 11/23/2021] [Indexed: 01/30/2023] Open
Abstract
Fungal phytopathogens are a growing problem all over the world; their propagation causes significant crop losses, affecting the quality of fruits and vegetables, diminishing the availability of food, leading to the loss of billions of euros every year. To control fungal diseases, the use of synthetic chemical fungicides is widely applied; these substances are, however, environmentally damaging. Marine algae, one of the richest marine sources of compounds possessing a wide range of bioactivities, present an eco-friendly alternative in the search for diverse compounds with industrial applications. The synthesis of such bioactive compounds has been recognized as part of microalgal responsiveness to stress conditions, resulting in the production of polyphenols, polysaccharides, lipophilic compounds, and terpenoids, including halogenated compounds, already described as antimicrobial agents. Furthermore, many studies, in vitro or in planta, have demonstrated the inhibitory activity of these compounds with respect to fungal phytopathogens. This review aims to gather the maximum of information addressing macroalgae extracts with potential inhibition against fungal phytopathogens, including the best inhibitory results, while presenting some already reported mechanisms of action.
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Affiliation(s)
- Tânia F. L. Vicente
- MARE—Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641 Peniche, Portugal;
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal;
| | - Marco F. L. Lemos
- MARE—Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641 Peniche, Portugal;
| | - Rafael Félix
- MARE—Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641 Peniche, Portugal;
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal;
| | - Patrícia Valentão
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Faculdade de Farmácia, Universidade do Porto, 4050-313 Porto, Portugal;
| | - Carina Félix
- MARE—Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641 Peniche, Portugal;
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Budzałek G, Śliwińska-Wilczewska S, Wiśniewska K, Wochna A, Bubak I, Latała A, Wiktor JM. Macroalgal Defense against Competitors and Herbivores. Int J Mol Sci 2021; 22:7865. [PMID: 34360628 PMCID: PMC8346039 DOI: 10.3390/ijms22157865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 11/02/2022] Open
Abstract
Macroalgae are the source of many harmful allelopathic compounds, which are synthesized as a defense strategy against competitors and herbivores. Therefore, it can be predicted that certain species reduce aquaculture performance. Herein, the allelopathic ability of 123 different taxa of green, red, and brown algae have been summarized based on literature reports. Research on macroalgae and their allelopathic effects on other animal organisms was conducted primarily in Australia, Mexico, and the United States. Nevertheless, there are also several scientific reports in this field from South America and Asia; the study areas in the latter continents coincide with areas where aquaculture is highly developed and widely practiced. Therefore, the allelopathic activity of macroalgae on coexisting animals is an issue that is worth careful investigation. In this work, we characterize the distribution of allelopathic macroalgae and compare them with aquaculture locations, describe the methods for the study of macroalgal allelopathy, present the taxonomic position of allelopathic macroalgae and their impact on coexisting aquatic competitors (Cnidaria) and herbivores (Annelida, Echinodermata, Arthropoda, Mollusca, and Chordata), and compile information on allelopathic compounds produced by different macroalgae species. This work gathers the current knowledge on the phenomenon of macroalgal allelopathy and their allelochemicals affecting aquatic animal (competitors and predators) worldwide and it provides future research directions for this topic.
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Affiliation(s)
- Gracjana Budzałek
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Sylwia Śliwińska-Wilczewska
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Kinga Wiśniewska
- Division of Marine Chemistry and Environmental Protection, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland;
| | - Agnieszka Wochna
- GIS Centre, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland;
| | - Iwona Bubak
- Division of Hydrology, Institute of Geography, University of Gdansk, P-80-309 Gdańsk, Poland;
| | - Adam Latała
- Division of Marine Ecosystems Functioning, Institute of Oceanography, University of Gdańsk, P-81-378 Gdynia, Poland; (G.B.); (A.L.)
| | - Józef Maria Wiktor
- Department of Marine Ecology, Institute of Oceanology of the Polish Academy of Sciences, P-81-779 Sopot, Poland;
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Abstract
Abstract
Background
From the last few years, the development and discovery of bioactive compounds and their potential properties from marine algae have been enhanced significantly. The coastal area is a huge storehouse for propitious algae. It has been the genuine reality that the consequence of marine algae as a source of different compounds is increasing.
Main body
Numerous advanced research devices are available for the discovery of synthetic compounds but still many researchers are working on natural bioactive compounds to discover their biological properties, which are useful to society. Marine algae are taking the preponderance of consideration from investigators owing to its phenomenon of biological activity like anti-cancer, anti-viral, cholesterol-reducing, and many more. A variety of compounds are collected from algae with specific purposes as they remain in an extremely ambitious and hard state; this condition is responsible for the synthesis of very particularly effective bioactive compounds. The present article is concentrating on the brown algae of the Gujarat coast, phlorotannins, polyphenol, phytosterol from brown algae, and their various applications. The main importance has been given to the secondary metabolites and various applications of marine brown algae.
Conclusion
From this review, it can be concluded that the prominent bioactive compounds from brown algae can cure many serious diseases. Besides, the potential biological activities of a special bioactive compound may represent the interest in the industry of pharmaceuticals, cosmeceutical, and functional foods.
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Moussa H, Quezada E, Viña D, Riadi H, Gil-Longo J. Redox-Active Phenolic Compounds Mediate the Cytotoxic and Antioxidant Effects of Carpodesmia tamariscifolia (=Cystoseira tamariscifolia). Chem Biodivers 2020; 17:e2000121. [PMID: 32374938 DOI: 10.1002/cbdv.202000121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/06/2020] [Indexed: 12/22/2022]
Abstract
Carpodesmia tamariscifolia is a brown alga rich in (poly)phenols with important cytotoxic and antioxidant effects. However, the relationship between its chemical composition and its effects is unknown. The aim of this study is to identify the potential compounds and mechanisms responsible for its main effects. The alga was extracted consecutively with hexane, dichloromethane and methanol and further fractionated using Sephadex LH-20 and silica gel columns when appropriate. The fractions were subjected to thin-layer chromatography and liquid chromatography-mass spectrometry analysis and evaluated for their total phenolic content (Folin-Ciocalteu assay), radical scavenging activity (DPPH assay), cytotoxic activity (MTT assay on the SH-SY5Y cell line), and ability to generate H2 O2 (Amplex Red assay). Chromatographic and phenolic analyses of the fractions indicate that abundant redox-active phenols are present in all the fractions and that a high amount of prenylated hydroquinone derivatives is present in the apolar ones. In the hexane and dichloromethane fractions, the cytotoxic and antioxidant activities are closely related to their phenolic content, whereas in the methanol fractions, the cytotoxicity is negatively related to the phenolic content and the antioxidant activity is positively related to it. In the same tests, hydroquinone behaves as both strong cytotoxic and antioxidant agent. H2 O2 assay shows that C. tamariscifolia fractions and hydroquinone can autoxidize and generate H2 O2 . Our results suggest that redox-active phenols produce the pharmacological effects described for C. tamariscifolia and that the hydroquinone moiety of prenylated hydroquinone derivatives is responsible for both cytotoxic (through a pro-oxidant mechanism secondary to its autoxidation) and antioxidant effects of the apolar fractions.
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Affiliation(s)
- Hanaa Moussa
- Departamento de Farmacología, Facultad de Farmacia, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain.,Present adress, Applied Phycology-Mycology Group (PMA), Applied Botany Laboratory, Department of Biology, Faculty of Sciences, Abdelmalek Essaâdi University, 93030, Tétouan, Morocco
| | - Elías Quezada
- Departamento de Química Orgánica, Facultad de Farmacia, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Dolores Viña
- Farmacología de las Enfermedades Crónicas, Centro de Investigación en Medicina Molecular y Enfermedades Crónicas (CIMUS), Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
| | - Hassane Riadi
- Applied Phycology-Mycology Group (PMA), Applied Botany Laboratory, Department of Biology, Faculty of Sciences, Abdelmalek Essaâdi University, 93030, Tétouan, Morocco
| | - José Gil-Longo
- Departamento de Farmacología, Facultad de Farmacia, Universidad de Santiago de Compostela, 15782, Santiago de Compostela, Spain
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Arumugam G, Rajendran R, Khaleelullah NS, Ramanathan S. Anti-candidal and anti-virulence efficiency of selected seaweeds against azole resistance Candida albicans. Biocatalysis and Agricultural Biotechnology 2019; 20:101195. [DOI: 10.1016/j.bcab.2019.101195] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Messina CM, Renda G, Laudicella VA, Trepos R, Fauchon M, Hellio C, Santulli A. From Ecology to Biotechnology, Study of the Defense Strategies of Algae and Halophytes (from Trapani Saltworks, NW Sicily) with a Focus on Antioxidants and Antimicrobial Properties. Int J Mol Sci 2019; 20:E881. [PMID: 30781640 PMCID: PMC6412379 DOI: 10.3390/ijms20040881] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 11/16/2022] Open
Abstract
This study aimed at the characterization of the antioxidant power of polyphenol extracts (PE) obtained from the algae Cystoseira foeniculacea (CYS) (Phaeophyta) and from the halophyte Halocnemum strobilaceum (HAL), growing in the solar saltworks of western Sicily (Italy), and at the evaluation of their anti-microfouling properties, in order to correlate these activities to defense strategies in extreme environmental conditions. The antioxidant properties were assessed in the PE based on the total antioxidant activity test and the reducing power test; the anti-microfouling properties of the two PE were evaluated by measuring the growth inhibition of marine fish and shellfish pathogen bacteria as well as marine surface fouling bacteria and microalgae exposed to the fractions. Similar polyphenol content (CYS 5.88 ± 0.75 and HAL 6.03 ± 0.25 mg gallic acid equivalents (GAE) g-1 dried weight, DW) and similar reducing power percentage (93.91 ± 4.34 and 90.03 ± 6.19) were recorded for both species, even if they exhibited a different total antioxidant power (measured by the percentage of inhibition of the radical 2,2 diphenyl-1-picrylhydrazyl DPPH), with CYS (79.30) more active than HAL (59.90). Both PE showed anti-microfouling properties, being inhibitors of adhesion and growth of marine fish and shellfish pathogen bacteria (V. aestuarianus, V. carchariae, V. harveyi, P. elyakovii, H. aquamarina) and fouling bacteria (V. natriegens, V. proteolyticus, P. iirgensii, R. litoralis) with minimum inhibitory concentrations comparable to the commercial antifouling products used as a positive control (SEA-NINE™ 211N). Only CYS was a significant inhibitor of the microalgae strains tested, being able to reduce E. gayraliae and C. closterium growth (MIC 10 µg·mL-1) and the adhesion of all three strains tested (E. gayraliae, C. closterium and P. purpureum), suggesting its promise for use as an antifouling (AF) product.
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Affiliation(s)
- Concetta Maria Messina
- Dipartimento di Scienze della terra e del Mare DiSTeM, Laboratorio di Biochimica Marina ed Ecotossicologia, Università degli Studi di Palermo, Via G. Barlotta 4, 91100 Trapani, Italy.
| | - Giuseppe Renda
- Dipartimento di Scienze della terra e del Mare DiSTeM, Laboratorio di Biochimica Marina ed Ecotossicologia, Università degli Studi di Palermo, Via G. Barlotta 4, 91100 Trapani, Italy.
| | - Vincenzo Alessandro Laudicella
- Dipartimento di Scienze della terra e del Mare DiSTeM, Laboratorio di Biochimica Marina ed Ecotossicologia, Università degli Studi di Palermo, Via G. Barlotta 4, 91100 Trapani, Italy.
- Istituto di Biologia Marina, Consorzio Universitario della Provincia di Trapani, Via G. Barlotta 4, 91100 Trapani, Italy.
| | - Rozenn Trepos
- Biodimar, Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539, UBO/IUEM, 29200 Brest, France.
| | - Marilyne Fauchon
- Biodimar, Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539, UBO/IUEM, 29200 Brest, France.
| | - Claire Hellio
- Biodimar, Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539, UBO/IUEM, 29200 Brest, France.
| | - Andrea Santulli
- Dipartimento di Scienze della terra e del Mare DiSTeM, Laboratorio di Biochimica Marina ed Ecotossicologia, Università degli Studi di Palermo, Via G. Barlotta 4, 91100 Trapani, Italy.
- Istituto di Biologia Marina, Consorzio Universitario della Provincia di Trapani, Via G. Barlotta 4, 91100 Trapani, Italy.
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Bruno de Sousa C, Gangadhar KN, Macridachis J, Pavão M, Morais TR, Campino L, Varela J, Lago JHG. Cystoseira algae (Fucaceae): update on their chemical entities and biological activities. ACTA ACUST UNITED AC 2017; 28:1486-505. [DOI: 10.1016/j.tetasy.2017.10.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Vizetto-Duarte C, Custódio L, Gangadhar KN, Lago JHG, Dias C, Matos AM, Neng N, Nogueira JMF, Barreira L, Albericio F, Rauter AP, Varela J. Isololiolide, a carotenoid metabolite isolated from the brown alga Cystoseira tamariscifolia, is cytotoxic and able to induce apoptosis in hepatocarcinoma cells through caspase-3 activation, decreased Bcl-2 levels, increased p53 expression and PARP cleavage. Phytomedicine 2016; 23:550-7. [PMID: 27064014 DOI: 10.1016/j.phymed.2016.02.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 02/09/2016] [Indexed: 06/05/2023]
Abstract
BACKGROUND Brown macroalgae have attracted attention because they display a wide range of biological activities, including antitumoral properties. Inthis study we isolated isololiolide from Cystoseira tamariscifolia for the first time. PURPOSE To examine the therapeutical potential of isololiolide against tumor cell lines. METHODS/STUDY DESIGN The structure of the compound was established and confirmed by 1D and 2D NMR as well as HRMS spectral analysis. The in vitro cytotoxicity was analyzed by colorimetric 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay in tumoral as well as in non-tumoral cell lines. Cell cycle arrest and induction of apoptosis were assessed by flow cytometry. Alteration of expression levels in proteins important in the apoptotic cascade was analyzed by western blotting. RESULTS Isololiolidewas isolated for the first time from the brown macroalga C.tamariscifolia. Isololiolide exhibited significant cytotoxic activity against three human tumoral cell lines, namely hepatocarcinoma HepG2 cells, whereas no cytotoxicity was found in non-malignant MRC-5 and HFF-1 human fibroblasts. Isololiolide completely disrupted the HepG2 normal cell cycle and induced significant apoptosis. Moreover, western blot analysis showed that isololiolide altered the expression of proteins that are important in the apoptotic cascade, increasing PARP cleavage and p53 expression while decreasing procaspase-3 and Bcl-2 levels. CONCLUSION Isololiolide isolated from C. tamariscifolia is able to exert a selective cytotoxic activity on hepatocarcinoma HepG2 cells as well as induce apoptosis through the modulation of apoptosis-related proteins.
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Affiliation(s)
- Catarina Vizetto-Duarte
- Centre of Marine Sciences, University of Algarve, Faculty of Sciences and Technology, Ed. 7, Campus of Gambelas, Faro, Portugal
| | - Luísa Custódio
- Centre of Marine Sciences, University of Algarve, Faculty of Sciences and Technology, Ed. 7, Campus of Gambelas, Faro, Portugal
| | - Katkam N Gangadhar
- Centre of Marine Sciences, University of Algarve, Faculty of Sciences and Technology, Ed. 7, Campus of Gambelas, Faro, Portugal
| | - João Henrique G Lago
- Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of Sao Paulo, 09972-270, Sao Paulo, Brazil
| | - Catarina Dias
- Center of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences University of Lisbon, Campo Grande, Ed. C8, Piso 5, 1749-016 Lisbon, Portugal
| | - Ana Marta Matos
- Center of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences University of Lisbon, Campo Grande, Ed. C8, Piso 5, 1749-016 Lisbon, Portugal
| | - Nuno Neng
- Center of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences University of Lisbon, Campo Grande, Ed. C8, Piso 5, 1749-016 Lisbon, Portugal
| | - José Manuel Florêncio Nogueira
- Center of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences University of Lisbon, Campo Grande, Ed. C8, Piso 5, 1749-016 Lisbon, Portugal
| | - Luísa Barreira
- Centre of Marine Sciences, University of Algarve, Faculty of Sciences and Technology, Ed. 7, Campus of Gambelas, Faro, Portugal
| | - Fernando Albericio
- Institute for Research in Biomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028, Barcelona, Spain; CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain; University of Barcelona, Department of Organic Chemistry, Martí i Franqués 1-11, 08028 Barcelona, Spain
| | - Amelia P Rauter
- Center of Chemistry and Biochemistry, Department of Chemistry and Biochemistry, Faculty of Sciences University of Lisbon, Campo Grande, Ed. C8, Piso 5, 1749-016 Lisbon, Portugal
| | - João Varela
- Centre of Marine Sciences, University of Algarve, Faculty of Sciences and Technology, Ed. 7, Campus of Gambelas, Faro, Portugal.
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Chua EG, Verbrugghe P, Perkins TT, Tay CY. Fucoidans Disrupt Adherence of Helicobacter pylori to AGS Cells In Vitro. Evid Based Complement Alternat Med 2015; 2015:120981. [PMID: 26604968 DOI: 10.1155/2015/120981] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 10/11/2015] [Accepted: 10/12/2015] [Indexed: 01/24/2023]
Abstract
Fucoidans are complex sulphated polysaccharides derived from abundant and edible marine algae. Helicobacter pylori is a stomach pathogen that persists in the hostile milieu of the human stomach unless treated with antibiotics. This study aims to provide preliminary data to determine, in vitro, if fucoidans can inhibit the growth of H. pylori and its ability to adhere to gastric epithelial cells (AGS). We analysed the activity of three different fucoidan preparations (Fucus A, Fucus B, and Undaria extracts). Bacterial growth was not arrested or inhibited by the fucoidan preparations supplemented into culture media. All fucoidans, when supplemented into tissue culture media at 1000 µg mL(-1), were toxic to AGS cells and reduced the viable cell count significantly. Fucoidan preparations at 100 µg mL(-1) were shown to significantly reduce the number of adherent H. pylori. These in vitro findings provide the basis for further studies on the clinical use of sulphated polysaccharides as complementary therapeutic agents.
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El Hattab M, Genta-Jouve G, Bouzidi N, Ortalo-Magné A, Hellio C, Maréchal JP, Piovetti L, Thomas OP, Culioli G. Cystophloroketals A-E, Unusual Phloroglucinol-Meroterpenoid Hybrids from the Brown Alga Cystoseira tamariscifolia. J Nat Prod 2015; 78:1663-70. [PMID: 26158859 DOI: 10.1021/acs.jnatprod.5b00264] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cystophloroketals A-E (1-5), five new phloroglucinol-meroditerpenoid hybrids, have been isolated together with their putative biosynthetic precursor, the monocyclic meroditerpenoid 6, from the Mediterranean brown alga Cystoseira tamariscifolia. They represent the first examples of meroditerpenoids linked to a phloroglucinol through a 2,7-dioxabicyclo[3.2.1]octane moiety. The chemical structures, including absolute configurations, were elucidated on the basis of extensive spectroscopic analysis (HR-ESIMS, 1D and 2D NMR, and ECD) and TDDFT ECD calculations. Compounds 1-6 were tested for their antifouling activity against several marine colonizing species (bacteria, fungi, invertebrates, micro- and macroalgae). Compound 6 showed high potency for the inhibition of macrofoulers (invertebrates and macroalgae), while cystophloroketals B (2) and D (4) displayed strong inhibition of the germination of the two macroalgae tested and moderate antimicrobial activities (bacteria, microalgae, and fungi).
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Affiliation(s)
- Mohamed El Hattab
- †Laboratoire de Chimie des Substances Naturelles et de Biomolécules, Université de Blida 1, Blida, Algérie
| | - Grégory Genta-Jouve
- ‡Institut de Chimie de Nice, UMR 7272 CNRS, Faculté des Sciences, Université Nice Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France
- §Laboratoire de Pharmacognosie et de Chimie des Substances Naturelles, UMR 8638 CNRS, Sorbonne Paris Cité, Faculté des Sciences Pharmaceutiques et Biologiques, Université Paris Descartes, 75006 Paris, France
| | - Naïma Bouzidi
- †Laboratoire de Chimie des Substances Naturelles et de Biomolécules, Université de Blida 1, Blida, Algérie
| | | | - Claire Hellio
- ∥Biodimar/LEMAR, UMR 6539, IUEM, Université de Bretagne Occidentale, 29238 Brest, France
| | - Jean-Philippe Maréchal
- ∇Observatoire du Milieu Marin Martiniquais, Fond Lahaye, 97233 Schoelcher, Martinique, FWI, France
| | - Louis Piovetti
- ⊥MAPIEM, EA 4323, Université de Toulon, 83957 La Garde, France
| | - Olivier P Thomas
- ‡Institut de Chimie de Nice, UMR 7272 CNRS, Faculté des Sciences, Université Nice Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France
| | - Gérald Culioli
- ‡Institut de Chimie de Nice, UMR 7272 CNRS, Faculté des Sciences, Université Nice Sophia Antipolis, Parc Valrose, 06108 Nice Cedex 2, France
- ⊥MAPIEM, EA 4323, Université de Toulon, 83957 La Garde, France
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Abstract
Harvested nectarine fruit were treated by phlorotannins from seaweeds Sargassum thunbergii, then stored at 2 ± 1 °C, 85-90 % RH for 25 days. Disease incidence, decay percentage, firmness, color, soluble solids, Vc, lipoxygenase (LOX) and lipid peroxidation of fruit were analyzed. The results indicated phlorotannins from seaweeds S. thunbergii have potent antifungal activities. Phlorotannins treatment resulted in a more efficient control of fruit decay. The LOX activity and lipid peroxidation in fruit were also inhibited by phlorotannins treatment. In addition, no phytotoxic injury was observed in fruit tissue treated with phlorotannins at 10 mg mL-1. Therefore, phlorotannins not only inhibit the infection of pathogen, but also the lipid peroxidation and ripening process of harvested nectarine fruit.
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El Wahidi M, El Amraoui B, El Amraoui M, Bamhaoud T. Screening of antimicrobial activity of macroalgae extracts from the Moroccan Atlantic coast. Ann Pharm Fr 2015; 73:190-6. [PMID: 25614071 DOI: 10.1016/j.pharma.2014.12.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 12/05/2014] [Accepted: 12/17/2014] [Indexed: 11/28/2022]
Abstract
The aim of this work is the screening of the antimicrobial activity of seaweed extracts against pathogenic bacteria and yeasts. The antimicrobial activity of the dichloromethane and ethanol extracts of ten marine macroalgae collected from the Moroccan's Atlantic coast (El-Jadida) was tested against two Gram+ (Bacillus subtilis and Staphylococcus aureus) and two Gram- (Escherichia coli and Pseudomonas aeruginosa) human pathogenic bacteria, and against two pathogenic yeasts (Candida albicans and Cryptococcus neoformans) using the agar disk-diffusion method. Seven algae (70%) of ten seaweeds are active against at least one pathogenic microorganisms studied. Five (50%) are active against the two studied yeast with an inhibition diameter greater than 15 mm for Cystoseira brachycarpa. Six (60%) seaweeds are active against at least one studied bacteria with five (50%) algae exhibiting antibacterial inhibition diameter greater than 15 mm. Cystoseira brachycarpa, Cystoseira compressa, Fucus vesiculosus, and Gelidium sesquipedale have a better antimicrobial activity with a broad spectrum antimicrobial and are a potential source of antimicrobial compounds and can be subject of isolation of the natural antimicrobials.
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Affiliation(s)
- M El Wahidi
- Laboratoire contrôle qualité en bio-industrie et molécules bio-actives, faculté des sciences, université Chouaib Doukkali, BP 20, 24000 El-Jadida, Morocco
| | - B El Amraoui
- Laboratoire contrôle qualité en bio-industrie et molécules bio-actives, faculté des sciences, université Chouaib Doukkali, BP 20, 24000 El-Jadida, Morocco; Faculté polydisciplinaire de Taroudant, université Ibn Zohr, BP 271, 83000 Taroudant, Morocco.
| | - M El Amraoui
- Laboratoire contrôle qualité en bio-industrie et molécules bio-actives, faculté des sciences, université Chouaib Doukkali, BP 20, 24000 El-Jadida, Morocco
| | - T Bamhaoud
- Laboratoire contrôle qualité en bio-industrie et molécules bio-actives, faculté des sciences, université Chouaib Doukkali, BP 20, 24000 El-Jadida, Morocco
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Susilowati R, Sabdono A, Widowati I. Isolation and Characterization of Bacteria Associated with Brown Algae Sargassum spp. from Panjang Island and their Antibacterial Activities. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.proenv.2015.01.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abstract
Algal terpenes constitute a wide and well-documented group of marine natural products with structures differing from their terrestrial plant biosynthetic analogues. Amongst macroalgae, brown seaweeds are considered as one of the richest source of biologically and ecologically relevant terpenoids. These metabolites, mostly encountered in algae of the class Phaeophyceae, are mainly diterpenes and meroditerpenes (metabolites of mixed biogenesis characterized by a toluquinol or a toluquinone nucleus linked to a diterpene moiety).In this chapter, we describe analytical processes commonly employed for the isolation and structural characterization of the main terpenoid constituents obtained from organic extracts of brown algae. The successive steps include (1) extraction of lipidic content from algal samples; (2) purification of terpenes by column chromatography and semi-preparative high-performance liquid chromatography; and (3) structure elucidation of the isolated terpenes by means of 1D and 2D nuclear magnetic resonance (NMR). More precisely, we propose a representative methodology which allows the isolation and structural determination of the monocyclic meroditerpene methoxybifurcarenone (MBFC) from the Mediterranean brown alga Cystoseira amentacea var. stricta. This methodology has a large field of applications and can then be extended to terpenes isolated from other species of the family Sargassaceae.
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Affiliation(s)
- Marc Gaysinski
- Nice Institute of Chemistry-PCRE and PFTC, UMR 7272 CNRS, Université de Nice Sophia-Antipolis (UNS), 06108, Nice, France
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Güner A, Köksal Ç, Erel ŞB, Kayalar H, Nalbantsoy A, Sukatar A, Karabay Yavaşoğlu NÜ. Antimicrobial and antioxidant activities with acute toxicity, cytotoxicity and mutagenicity of Cystoseira compressa (Esper) Gerloff & Nizamuddin from the coast of Urla (Izmir, Turkey). Cytotechnology 2015; 67:135-43. [PMID: 24292649 DOI: 10.1007/s10616-013-9668-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 11/11/2013] [Indexed: 10/26/2022] Open
Abstract
The aim of the study was to evaluate the biological activities with toxic properties of the methanol, hexane, and chloroform extracts of Cystoseira compressa (Esper) Gerloff & Nizamuddin from the Coast of Urla in the Aegean Sea. The extracts of C. compressa were tested for their antimicrobial and antioxidant activities in this study. Cytotoxic and mutagenic potentials of the extracts were also evaluated using cell culture and mutagenicity assays. Hexane extract was found to have higher total flavonoid and phenolic contents than the other extracts and exerted higher antioxidant activity than other extracts. All extracts exhibited moderate antimicrobial activity against tested microorganisms (minimum inhibitory concentration ranges are 32-256 μg/mL). The results indicated that the extracts had no significant cytotoxic activity against human hepatocellular carcinoma Hep 3B cell line in all treated concentrations (5-50 μg/mL) and did not show mutagenicity in the Ames test. Lethality was not observed among mice treated with oral doses of the extracts. In conclusion, results of investigations indicate that brown alga C. compressa is a natural source of antioxidant. It has moderate antimicrobial activities with no toxicity.
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Kavita K, Singh VK, Jha B. 24-Branched Δ5 sterols from Laurencia papillosa red seaweed with antibacterial activity against human pathogenic bacteria. Microbiol Res 2013; 169:301-6. [PMID: 23910454 DOI: 10.1016/j.micres.2013.07.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 06/28/2013] [Accepted: 07/02/2013] [Indexed: 12/31/2022]
Abstract
Methanol extract of thirty-eight seaweeds samples were first screened against Gram-positive (Staphylococcus aureus ATCC 25923 and Bacillus subtilis ATCC 6051) and -negative (Escherichia coli ATCC 8739 and Pseudomonas aerugenosa ATCC 9027) bacteria. Laurencia papillosa (Ceramiales, Rhodomelaceae, Rhodophyta) gave maximum antimicrobial activity against these bacteria. It was finally tested against four clinical Gram-negative isolates (E. coli, P. aerugenosa, Klebsiella pneumoniae and Shigella flexineri) and exhibited antibacterial activity. The extract was fractionated by column chromatography and the active fraction was identified as a cholesterol derivative, 24-propylidene cholest-5-en-3β-ol using gas chromatography mass spectrometry (GC-MS). The electrospray ionization mass spectrometry (ESI-MS) and FT-IR spectroscopic analysis also supported the structure of the compound. The minimum inhibitory concentration ranged from 1.2 to 1.7 μg/mL (IC50) against clinical isolates. This is the first report of antibacterial activity of this cholesterol derivative. This compound could be exploited as potential lead molecule against broad spectrum drug development. The results also affirm the potential of seaweeds as an important natural source of antimicrobial compounds for pharmaceutical industries.
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Affiliation(s)
- Kumari Kavita
- Discipline of Marine Biotechnology and Ecology, CSIR - Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, Gujarat, India; Academy of Scientific and Innovative Research, CSIR, New Delhi, India
| | - Vijay Kumar Singh
- Discipline of Marine Biotechnology and Ecology, CSIR - Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, Gujarat, India
| | - Bhavanath Jha
- Discipline of Marine Biotechnology and Ecology, CSIR - Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, Gujarat, India; Academy of Scientific and Innovative Research, CSIR, New Delhi, India.
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Lee KY, Jeong MR, Choi SM, Na SS, Cha JD. Synergistic effect of fucoidan with antibiotics against oral pathogenic bacteria. Arch Oral Biol 2013; 58:482-92. [PMID: 23399045 DOI: 10.1016/j.archoralbio.2012.11.002] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 10/26/2012] [Accepted: 11/03/2012] [Indexed: 11/24/2022]
Abstract
BACKGROUND Fucoidan is a sulphated polysaccharide that is primarily extracted from brown seaweeds; it has been broadly studied in recent years due to its numerous biological properties, including anticoagulant, antithrombotic, antitumour and antiviral activities. OBJECTIVE AND DESIGN In this study, fucoidan was evaluated against oral bacteria, either alone or with antibiotics, via the broth dilution method and chequerboard and time-kill assay. RESULTS Minimum inhibitory concentration/minimum bactericidal concentration (MIC/MBC) values for the fucoidan against all the tested bacteria ranged between 0.125 and 0.50/0.25 and 1.00mgml(-1), for ampicillin 0.125 and 64/0.5 and 64μgml(-1) and for gentamicin 2 and 256/4 and 512μgml(-1), respectively. Furthermore, the MIC and MBC were reduced to one half-eighth as a result of the combination of the fucoidan with antibiotics. One to 3h of treatment with MIC50 of fucoidan with MIC50 of antibiotics resulted from an increase of the rate of killing in colony forming units (CFUs) ml(-1) to a greater degree than was observed with alone. CONCLUSION These results suggest that fucoidan is important in the antibacterial actions of the agents.
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Affiliation(s)
- Kyung-Yeol Lee
- Department of Oral Microbiology and Institute of Oral Bioscience, Chonbuk National University, Jeonju, South Korea
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de Los Reyes C, Zbakh H, Motilva V, Zubía E. Antioxidant and anti-inflammatory meroterpenoids from the brown alga Cystoseira usneoides. J Nat Prod 2013; 76:621-9. [PMID: 23458950 DOI: 10.1021/np300833y] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
A chemical study of the alga Cystoseira usneoides has led to the isolation of six new meroterpenoids, cystodiones A-F (1-6), together with six known related compounds (7-12). The structures of the new metabolites have been established by spectroscopic techniques. In antioxidant assays all of the tested meroterpenes, and in particular cystodiones A (1) and B (2), 6-cis-amentadione-1'-methyl ether (7), and amentadione-1'-methyl ether (8), exhibited strong radical-scavenging activity. In anti-inflammatory assays, usneoidone Z (11) and its corresponding 6E isomer (12) showed significant activity as inhibitors of the production of the proinflammatory cytokine TNF-α in LPS-stimulated THP-1 human macrophages.
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Affiliation(s)
- Carolina de Los Reyes
- Departamento de Química Orgánica, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, 11510 Puerto Real (Cádiz), Spain
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Nguyen MHT, Jung WK, Kim SK. Marine algae possess therapeutic potential for Ca-mineralization via osteoblastic differentiation. Adv Food Nutr Res 2011; 64:429-41. [PMID: 22054966 DOI: 10.1016/b978-0-12-387669-0.00033-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
One of the important natural product investigations from marine algae is to focus on the pharmaceutically important compounds that can be applied in bone health. Osteoporosis is one of the bone diseases caused by an imbalance between bone formation and resorption. Promotion of osteoblast differentiation is one of the best therapeutic ways to combat osteoporosis. Osteoblasts are the cells responsible for bone formation by increasing the proliferation of the osteoblastic lineage or inducing differentiation of the osteoblasts. In this review, we describe the central effects of osteoblast differentiation by various bone therapy biomaterials from marine algae.
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Affiliation(s)
- Minh Hong Thi Nguyen
- Department of Marine Life Science, Chosun University, Gwangju, Republic of Korea
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Han SH, Kim YG, Lee SH, Park CB, Choi HG, Jang HJ, Lee YS, Kwon DY. Codium fragile Ethanol Extraction Inhibited Inflammatory Response through the Inhibition of JNK Phosphorylation. Prev Nutr Food Sci 2010. [DOI: 10.3746/jfn.2010.15.3.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Abstract
Marine organisms are potentially prolific sources of highly bioactive secondary metabolites that might represent useful leads in the development of new pharmaceutical agents. Algae can be classified into two main groups; first one is the microalgae, which includes blue green algae, dinoflagellates, bacillariophyta (diatoms)… etc., and second one is macroalgae (seaweeds) which includes green, brown and red algae. The microalgae phyla have been recognized to provide chemical and pharmacological novelty and diversity. Moreover, microalgae are considered as the actual producers of some highly bioactive compounds found in marine resources. Red algae are considered as the most important source of many biologically active metabolites in comparison to other algal classes. Seaweeds are used for great number of application by man. The principal use of seaweeds as a source of human food and as a source of gums (phycocollides). Phycocolloides like agar agar, alginic acid and carrageenan are primarily constituents of brown and red algal cell walls and are widely used in industry.
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Affiliation(s)
- Ali A. El Gamal
- Dept. of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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Lee DS, Kang MS, Hwang HJ, Eom SH, Yang JY, Lee MS, Lee WJ, Jeon YJ, Choi JS, Kim YM. Synergistic effect between dieckol from Ecklonia stolonifera and β-lactams against methicillin-resistant Staphylococcus aureus. BIOTECHNOL BIOPROC E 2009. [DOI: 10.1007/s12257-008-0162-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Yun SM, Jang JH, Lee JS. Isolation and Identification of an Antibacterial Substance from Sea Mustard, Undaria pinnatifida, for Streptococcus mutans. ACTA ACUST UNITED AC 2007. [DOI: 10.3746/jkfn.2007.36.2.149] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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