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Journal articles on the topic 'Brown algae'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Liu, Chenlin, and Xiuliang Wang. "Superoxide dismutase and ascorbate peroxidase genes in Antarctic endemic brown alga Ascoseira mirabilis (Ascoseirales, Phaeophyceae): data mining of a de novo transcriptome." Botanica Marina 63, no. 6 (2020): 541–49. http://dx.doi.org/10.1515/bot-2020-0025.

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AbstractThe Antarctic endemic brown alga Ascoseira mirabilis is physically and physiologically well adapted to the extreme polar environment. To better understand the molecular strategies associated with stress adaptation, the transcriptome of A. mirabilis was sequenced, and its antioxidant enzyme genes were identified and compared with other algae. A total of 126,576 unigenes with a mean length of 734 bp and N50 of 1174 bp was assembled from the transcriptome data. Phylogenetic analysis revealed that dramatic evolutionary changes had occurred in the brown algal superoxide dismutases (SODs) an

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Rasha Hamdy, Rasha Hamdy. "Diversity and Distribution of Polychaetes Associated with Macroalgae along the Alexandria Coast, Egypt." journal of king abdulaziz university marine science 28, no. 2 (2018): 67–79. http://dx.doi.org/10.4197/mar.28-2.5.

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The relationship between benthic macroalgae and associated polychaetes was studied monthly from October 2014 to October 2015 along the Alexandria coast, Egypt. A total of 56 polychaete species were found among 28 macroalgal species, which belonging to green, brown and red algae. The red algae hosted pronouncedly higher number of polychaete species than the brown and green algae, particularly during winter and spring, while green algae were associated with higher number of polychaete species in January, April, August and October 2015. In contrast, the average count of polychaete individuals ass

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Mori, J. F., T. R. Neu, S. Lu, M. Händel, K. U. Totsche, and K. Küsel. "Iron encrustations on filamentous algae colonized by <i>Gallionella</i>-related bacteria in a metal-polluted freshwater stream." Biogeosciences Discussions 12, no. 10 (2015): 7705–37. http://dx.doi.org/10.5194/bgd-12-7705-2015.

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Abstract. Filamentous macroscopic algae were observed in slightly acidic to circumneutral (pH 5.9~6.5) metal-rich stream water that leaked out in a former uranium-mining district (Ronneburg, Germany). These algae differ in color and morphology and were encrusted with Fe-deposits. To elucidate the potential interaction with Fe(II)-oxidizing bacteria (FeOB), we collected algal samples at three time points during summer 2013 and studied the algae-bacteria-mineral compositions via confocal laser scanning microscopy (CLSM), scanning electronic microscopy, Fourier transform infrared spectra, and a 1

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4

Cock, J. Mark, Akira F. Peters, and Susana M. Coelho. "Brown algae." Current Biology 21, no. 15 (2011): R573—R575. http://dx.doi.org/10.1016/j.cub.2011.05.006.

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5

Mišurcová, L., S. Kráčmar, B. Klejdus, and J. Vacek. "Nitrogen content, dietary fiber, and digestibility in algal food products." Czech Journal of Food Sciences 28, No. 1 (2010): 27–35. http://dx.doi.org/10.17221/111/2009-cjfs.

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The basic nutritional aspects and parameters of freshwater and marine algal food products are described. Blue-green algae (<I>Spirulina pacifica, S. platensis</I>), green algae (<I>Chlorella pyrenoidosa</I>), red algae (<I>Palmaria palmata, Porphyra tenera</I>), and brown algae (<I>Eisenia bicyclis, Hizikia fusiformis, Laminaria japonica, Undaria pinnatifida</I>) were used for this purpose. The ash content, total nitrogen, dietary fibers, and in vitro digestibility of the above-mentioned algal species were studied. The ash contents amounted to 8–

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Remya, R. R., Antony V. Samrot, S. Suresh Kumar, et al. "Bioactive Potential of Brown Algae." Adsorption Science & Technology 2022 (May 6, 2022): 1–13. http://dx.doi.org/10.1155/2022/9104835.

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Marine-derived natural products are rich source of secondary metabolites with huge potentials including novel therapeutic agents. Marine algae are considered to be a good source of secondary metabolites with versatile bioactivities. During the last few decades, researches related to natural products obtained from brown algae have remarkably escalated as they contain active compounds with varied biologically activities like antimicrobial, anticancer, antioxidant, anti-inflammatory, antidiabetic, and antiparasitic properties. The main bioactive components such as phlorotannin, fucoxanthin, algin

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Li, Jun, Chao Cai, Chendong Yang, Jianghua Li, Tiantian Sun, and Guangli Yu. "Recent Advances in Pharmaceutical Potential of Brown Algal Polysaccharides and their Derivatives." Current Pharmaceutical Design 25, no. 11 (2019): 1290–311. http://dx.doi.org/10.2174/1381612825666190618143952.

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Marine plants, animals and microorganisms display steady growth in the ocean and are abundant carbohydrate resources. Specifically, natural polysaccharides obtained from brown algae have been drawing increasing attention owing to their great potential in pharmaceutical applications. This review describes the structural and biological features of brown algal polysaccharides, including alginates, fucoidans, and laminarins, and it highlights recently developed approaches used to obtain the oligo- and polysaccharides with defined structures. Functional modification of these polysaccharides promote

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Sun, Xiao-Hui, Xiao-Dong Zhang, Xin-Ru Zhang, et al. "Direct Preparation of Alginate Oligosaccharides from Brown Algae by an Algae-Decomposing Alginate Lyase AlyP18 from the Marine Bacterium Pseudoalteromonas agarivorans A3." Marine Drugs 22, no. 11 (2024): 483. http://dx.doi.org/10.3390/md22110483.

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Alginate oligosaccharides (AOs), derived from alginate degradation, exhibit diverse biological activities and hold significant promise in various fields. The enzymatic preparation of AOs relies on alginate lyases, which offers distinct advantages. In contrast to the conventional use of sodium alginate derived from brown algae as the substrate for the enzymatic preparation of AOs, AO preparation directly from brown algae is more appealing due to its time and energy efficiency. Thus, the identification of potent alginate lyases and cost-effective brown algae substrates is crucial for optimizing

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Hultgren, Kristin M., and Hannah Mittelstaedt. "Color change in a marine isopod is adaptive in reducing predation." Current Zoology 61, no. 4 (2015): 739–48. http://dx.doi.org/10.1093/czoolo/61.4.739.

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Abstract Although background matching is a common form of camouflage across a wide diversity of animals, there has been surprisingly little experimental work testing the fitness consequences of this camouflage strategy, especially in marine ecosystems. In this study, we tested whether color camouflage enhances survival of the intertidal marine isopod Pentidotea (Idotea) wosnesenskii, quantified patterns of camouflage in different algal habitats, and examined how algal diet affected color change and growth using laboratory assays. In the field, isopods collected from two differently colored alg

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Yuan, Zihao, Jie Zhang, and Delin Duan. "Vanadium-Dependent Haloperoxidase Gene Evolution in Brown Algae: Evidence for Horizontal Gene Transfer." International Journal of Molecular Sciences 26, no. 2 (2025): 716. https://doi.org/10.3390/ijms26020716.

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Compared with green plants, brown algae are characterized by their ability to accumulate iodine, contributing to their ecological adaptability in high-iodide coastal environments. Vanadium-dependent haloperoxidase (V-HPO) is the key enzyme for iodine synthesis. Despite its significance, the evolutionary origin of V-HPO genes remains underexplored. This study investigates the genomic and evolutionary dynamics of V-HPOs in brown algae, focusing on Laminariales species, particularly Saccharina japonica. Genomic analyses revealed the extensive expansion of the V-HPO gene family in brown algae, wit

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Pangestuti, Ratih, and Singgih Wibowo. "Prospects and Health Promoting Effects of Brown Algal-derived Natural Pigments." Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology 8, no. 1 (2013): 37. http://dx.doi.org/10.15578/squalen.v8i1.26.

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Recently, a great deal of interest has been developed to isolate novel bioactive compounds from marine resources. Among marine resources, marine brown algae are considered valuable sources of structurally diverse bioactive compounds such as chlorophylls and carotenoids. Chlorophyll has been known for its antioxidant activity; meanwhile carotenoid is well known for its anticancer and anti-obesity properties. Therefore, marine brown algal-derived natural pigments have great potential for further development of valuable products in nutraceutical, and pharmaceutical areas. This contribution presen

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Luthringer, R., A. Cormier, S. Ahmed, A. F. Peters, J. M. Cock, and S. M. Coelho. "Sexual dimorphism in the brown algae." Perspectives in Phycology 1, no. 1 (2014): 11–25. http://dx.doi.org/10.1127/2198-011x/2014/0002.

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Patyshakuliyeva, Aleksandrina, Daniel L. Falkoski, Ad Wiebenga, Klaas Timmermans, and Ronald P. de Vries. "Macroalgae Derived Fungi Have High Abilities to Degrade Algal Polymers." Microorganisms 8, no. 1 (2019): 52. http://dx.doi.org/10.3390/microorganisms8010052.

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Marine fungi associated with macroalgae are an ecologically important group that have a strong potential for industrial applications. In this study, twenty-two marine fungi isolated from the brown seaweed Fucus sp. were examined for their abilities to produce algal and plant biomass degrading enzymes. Growth of these isolates on brown and green algal biomass revealed a good growth, but no preference for any specific algae. Based on the analysis of enzymatic activities, macroalgae derived fungi were able to produce algae specific and (hemi-)cellulose degrading enzymes both on algal and plant bi

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Eich, Andreas, Amanda K. Ford, Maggy M. Nugues, Ryan S. McAndrews, Christian Wild, and Sebastian C. A. Ferse. "Positive association between epiphytes and competitiveness of the brown algal genus Lobophora against corals." PeerJ 7 (February 8, 2019): e6380. http://dx.doi.org/10.7717/peerj.6380.

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Observations of coral–algal competition can provide valuable information about the state of coral reef ecosystems. Here, we report contact rates and apparent competition states for six shallow lagoonal reefs in Fiji. A total of 81.4% of examined coral perimeters were found to be in contact with algae, with turf algae (54.7%) and macroalgae of the genus Lobophora (16.8%) representing the most frequently observed contacts. Turf algae competitiveness was low, with 21.8% of coral–turf contacts being won by the algae (i.e. overgrowth or bleaching of coral tissue). In contrast, Lobophora competitive

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Haugan, Jarle André, and Synn∅ve Liaaen-Jensen. "Algal carotenoids 54. Carotenoids of brown algae (Phaeophyceae)." Biochemical Systematics and Ecology 22, no. 1 (1994): 31–41. http://dx.doi.org/10.1016/0305-1978(94)90112-0.

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Moreno-Gutiérrez, Irene, Sonia Berenguel-Gómez, Manuel Muñoz-Dorado, Míriam Álvarez-Corral, and Ignacio Rodríguez-García. "Sesquiterpenes from Brown Algae." Marine Drugs 23, no. 5 (2025): 210. https://doi.org/10.3390/md23050210.

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Algae are the group that has managed to generate the largest number of compounds and secondary metabolites with different properties, many of them only present in the aquatic kingdom. Among them, brown algae are one of the main producers within marine ecosystems. Furthermore, one of the main groups of secondary metabolites studied are sesquiterpenes due to the great variety of properties observed, largely due to the great structural variability of these compounds. Many studies have been carried out to isolate and characterize compounds with a sesquiterpene structure from different species of b

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Боголицын (Bogolitsyn), Константин (Konstantin) Григорьевич (Grigor'evich), Анна (Аnna) Сергеевна (Sergeevna) Дружинина (Druzhinina), Денис (Denis) Владимирович (Vladimirovich) Овчинников (Ovchinnikov), Платон (Platon) Александрович (Aleksandrovich) Каплицин (Kaplitsin), Елена (Elena) Валерьевна (Valer'evna) Шульгина (Shulgina), and Анастасия (Аnastasiya) Эдуардовна (Eduardovna) Паршина (Parshina). "POLYPHENOLS OF BROWN ALGAE." chemistry of plant raw material, no. 3 (May 16, 2018): 5–21. http://dx.doi.org/10.14258/jcprm.2018031898.

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The modern state of research of marine brown algae polyphenolic compounds – phlorotannins, is analyzed. The data on the content of phlorotannins in biomass are presented depending on the species of algae and the place of growth. The biosynthesis, morphology, accumulation in the thallus, the physicochemical properties and biological role of these compounds are considered. The classical methods of isolating phlorotannins from algae are described, as well as modern methods, such as ultrasonic, microwave, enzymatic extraction, liquid extraction under pressure and supercritical fluid extraction. Th

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Terauchi, Makoto, Chikako Nagasato, and Taizo Motomura. "Plasmodesmata of brown algae." Journal of Plant Research 128, no. 1 (2014): 7–15. http://dx.doi.org/10.1007/s10265-014-0677-4.

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Kamenarska, Zotnitsa, Stefka Dimitrova-Konaklieva, Ljubomirov Stefanov, and Simonov Popov. "A comparative study on the sterol composition of some brown algae from the Black Sea." Journal of the Serbian Chemical Society 68, no. 4-5 (2003): 269–75. http://dx.doi.org/10.2298/jsc0305269k.

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The sterol composition of the brown algae Stilophora rhizodes (Turner) J. Agardh, Punctaria latifolia Grev. and Punctaria plantaginea (Roth) Grev. from the Black Sea was investigated. Fifteen sterols were identified in the sterol fractions. The main ones were cholesterol and 24-methylenecholesterol. Characteristic for brown algae, fucosterol was present in low concentrations. The results obtained were compared with recent data for the sterol composition of other Black Sea brown algae. Some conclusions concerning the evolutionary position of brown algae are made.

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Li, Yanping, Yuting Zheng, Ye Zhang, et al. "Brown Algae Carbohydrates: Structures, Pharmaceutical Properties, and Research Challenges." Marine Drugs 19, no. 11 (2021): 620. http://dx.doi.org/10.3390/md19110620.

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Brown algae (Phaeophyceae) have been consumed by humans for hundreds of years. Current studies have shown that brown algae are rich sources of bioactive compounds with excellent nutritional value, and are considered functional foods with health benefits. Polysaccharides are the main constituents of brown algae; their diverse structures allow many unique physical and chemical properties that help to moderate a wide range of biological activities, including immunomodulation, antibacterial, antioxidant, prebiotic, antihypertensive, antidiabetic, antitumor, and anticoagulant activities. In this re

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Alghazeer, Rabia, Hesham El Fatah, Salah Azwai, et al. "Nutritional and Nonnutritional Content of Underexploited Edible Seaweeds." Aquaculture Nutrition 2022 (October 15, 2022): 1–8. http://dx.doi.org/10.1155/2022/8422414.

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Macroalgae are a valuable source of highly bioactive primary and secondary metabolites that may have useful bioapplications. To investigate the nutritional and nonnutritional contents of underexploited edible seaweeds, proximate composition, including protein, fat, ash, vitamins A, C, and E, and niacin, as well as important phytochemicals, including polyphenols, tannins, flavonoids, alkaloids, sterols, saponins, and coumarins, were screened from algal species using spectrophotometric methods. Ash content ranged from 3.15–25.23% for green seaweeds, 5–29.78% for brown algae, and 7–31.15% for red

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Ulfa, Syarifah Widya, Hanifa Mawaddah, Isnaini Rahma Lubis, Muhammad Fazil Mawla, and Qoyum Amalia. "Identifikasi Produk Bahan Obat yang Berbahan Dasar Alga (Mikro Alga atau Makroalga) Pada Pasar Tradisional/Modern yang ada di Kota Medan." El-Mujtama: Jurnal Pengabdian Masyarakat 4, no. 2 (2023): 707–13. http://dx.doi.org/10.47467/elmujtama.v4i2.4300.

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Algae have the potential as a very useful resource for humans. Some types of algae have been known to have antioxidant, anticancer, anti-inflammatory, and antifungal properties that can help in the treatment of diseases. This research was conducted in traditional markets and modern markets in Medan City, especially on Jl. Jamin Ginting, North Sumatra. The purpose of this study was to identify the types of algae-based medicinal products (microalgae or macroalgae) available in traditional/modern markets in Medan city. The sampling method used in this study was the cruise method with purposive sa

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Generalić Mekinić, Ivana, Vida Šimat, Nikheel Bhojraj Rathod, Imen Hamed, and Martina Čagalj. "Algal Carotenoids: Chemistry, Sources, and Application." Foods 12, no. 14 (2023): 2768. http://dx.doi.org/10.3390/foods12142768.

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Recently, the isolation and identification of various biologically active secondary metabolites from algae have been of scientific interest, with particular attention paid to carotenoids, widely distributed in various photosynthetic organisms, including algal species. Carotenoids are among the most important natural pigments, with many health-promoting effects. Since the number of scientific studies on the presence and profile of carotenoids in algae has increased exponentially along with the interest in their potential commercial applications, this review aimed to provide an overview of the c

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Nikhil Chakravarthi, K., and S. Madhu. "Compression strength analysis of glass fibre polymer composites filled with brown algae powder compared to glass fibre reinforced polymer composite." Journal of Physics: Conference Series 2484, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1742-6596/2484/1/012006.

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Abstract The current investigation intends to compare the compression strength analysis of glass fiber composites filled with brown algae filler. The material involved in this work is a glass fibre composite filled with and without brown algae filler. 40 specimens were tested by using selected parameters using the universal testing machine. In this work, the control group was a glass fiber epoxy composite and the experimental group was a brown algae-filled glass fiber-reinforced polymer. The mean compressive strength obtained for the brown algae-filled glass fibre reinforced polymer is, wherea

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Bourdareau, Simon, Olivier Godfroy, Josselin Gueno, et al. "An Efficient Chromatin Immunoprecipitation Protocol for the Analysis of Histone Modification Distributions in the Brown Alga Ectocarpus." Methods and Protocols 5, no. 3 (2022): 36. http://dx.doi.org/10.3390/mps5030036.

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The brown algae are an important but understudied group of multicellular marine organisms. A number of genetic and genomic tools have been developed for the model brown alga Ectocarpus; this includes, most recently, chromatin immunoprecipitation methodology, which allows genome-wide detection and analysis of histone post-translational modifications. Post-translational modifications of histone molecules have been shown to play an important role in gene regulation in organisms from other major eukaryotic lineages, and this methodology will therefore be a very useful tool to investigate genome fu

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Bourdareau, Simon, Olivier Godfroy, Josselin Gueno, et al. "An Efficient Chromatin Immunoprecipitation Protocol for the Analysis of Histone Modification Distributions in the Brown Alga Ectocarpus." Methods and Protocols 5, no. 3 (2022): 36. http://dx.doi.org/10.3390/mps5030036.

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The brown algae are an important but understudied group of multicellular marine organisms. A number of genetic and genomic tools have been developed for the model brown alga Ectocarpus; this includes, most recently, chromatin immunoprecipitation methodology, which allows genome-wide detection and analysis of histone post-translational modifications. Post-translational modifications of histone molecules have been shown to play an important role in gene regulation in organisms from other major eukaryotic lineages, and this methodology will therefore be a very useful tool to investigate genome fu

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Zhang, Meng-ya, Jie Guo, Xian-min Hu, Shu-qi Zhao, Shu-lan Li, and Jun Wang. "An in vivo anti-tumor effect of eckol from marine brown algae by improving the immune response." Food & Function 10, no. 7 (2019): 4361–71. http://dx.doi.org/10.1039/c9fo00865a.

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Al Monla, Reem, Zeina Dassouki, Nouha Sari-Chmayssem, Hiba Mawlawi, and Hala Gali-Muhtasib. "Fucoidan and Alginate from the Brown Algae Colpomenia sinuosa and Their Combination with Vitamin C Trigger Apoptosis in Colon Cancer." Molecules 27, no. 2 (2022): 358. http://dx.doi.org/10.3390/molecules27020358.

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Brown seaweeds are producers of bioactive molecules which are known to inhibit oncogenic growth. Here, we investigated the antioxidant, cytotoxic, and apoptotic effects of two polysaccharides from the brown algae Colpomenia sinuosa, namely fucoidan and alginate, in a panel of cancer cell lines and evaluated their effects when combined with vitamin C. Fucoidan and alginate were isolated from brown algae and characterized by HPLC, FTIR, and NMR spectroscopy. The results indicated that highly sulfated fucoidans had higher antioxidant and cytotoxic effects than alginate. Human colon cancer cells w

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Coelho, Susana M., and J. Mark Cock. "Brown Algal Model Organisms." Annual Review of Genetics 54, no. 1 (2020): 71–92. http://dx.doi.org/10.1146/annurev-genet-030620-093031.

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Model organisms are extensively used in research as accessible and convenient systems for studying a particular area or question in biology. Traditionally, only a limited number of organisms have been studied in detail, but modern genomic tools are enabling researchers to extend beyond the set of classical model organisms to include novel species from less-studied phylogenetic groups. This review focuses on model species for an important group of multicellular organisms, the brown algae. The development of genetic and genomic tools for the filamentous brown alga Ectocarpus has led to it emergi

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García-Salgado, Sara, Georg Raber, Reingard Raml, Christoph Magnes, and Kevin A. Francesconi. "Arsenosugar phospholipids and arsenic hydrocarbons in two species of brown macroalgae." Environmental Chemistry 9, no. 1 (2012): 63. http://dx.doi.org/10.1071/en11164.

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Environmental contextAlthough organoarsenic compounds occur in marine organisms at high concentrations, the origin and role of these compounds is unknown. Arsenic-containing lipids (arsenolipids) are newly discovered compounds in fish. We identify a range of arsenolipids in algae and propose that algae are the origin of these unusual arsenic compounds in marine ecosystems. AbstractFourteen arsenolipids, including 11 new compounds, were identified and quantified in two species of brown algae, Wakame (Undaria pinnatifida) and Hijiki (Hizikia fusiformis), by high resolution mass spectrometry, hig

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André, Rebeca, Rita Pacheco, Mafalda Bourbon, and Maria Luísa Serralheiro. "Brown Algae Potential as a Functional Food against Hypercholesterolemia: Review." Foods 10, no. 2 (2021): 234. http://dx.doi.org/10.3390/foods10020234.

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Brown algae have been part of the human diet for hundreds of years, however, in recent years, commercial and scientific interest in brown algae has increased due to the growing demand for healthier diet by the world population. Brown algae and its metabolites, such as carotenoids, polysaccharides, phlorotannins, and proteins, have been associated with multiple beneficial health effects for different diseases, such as cardiovascular diseases, one of the main causes of death in Europe. Since high blood cholesterol levels are one of the major cardiovascular risks, this review intends to provide a

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S. Abdurrohman, Muhamat Muhtar, Rahmawati Sri Praptiningsih, and Yulistinawati Yulistinawati. "<strong>The effect of brown algae (<em>Sargassum sp.</em>) gel on the number of osteoclasts in periodontitis rats</strong>." Padjadjaran Journal of Dentistry 34, no. 3 (2022): 271. http://dx.doi.org/10.24198/pjd.vol34no3.39285.

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ABSTRACTIntroduction: Alveolar bone resorption in periodontitis is caused by increased activation of osteoclasts, causing an imbalance of bone remodeling. Periodontitis treatment can be done mechanically with Scaling and Root Planing and accompanied by metronidazole. Antibiotics have long-term drawbacks and can cause allergies, thus requiring an alternative to natural topical drugs such as brown algae gel. This study aimed to to analyzed the effect of brown algae gel (sargassum sp) on the number of osteoclasts of alveolar bone in periodontitis rats. Methods: The research method was a True Expe

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Suryandari, Retno. "Checklist of Macroalgae at Krakal and Drini Beach, Gunungkidul." Proceeding International Conference on Science and Engineering 1 (October 31, 2017): 31–38. http://dx.doi.org/10.14421/icse.v1.266.

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Macroalgae are multicellular plants that do not produce seeds or flowers. All macroalgae are multicellular and do not have a specialized body structure and do not have reproductive mechanism like terrestrial plants. Macroalgae is divided into 3 groups namely Chlorophyta (green algae), Rhodophyta (red algae), and Phaeophyceae (brown algae). Green algae and red algae belong to the Plantae kingdom with green algae (Chlorophyta) and included in the Subkingdom Viridiplantae and red algae (Rhodophyta) into the Biliphyta subkingdom. Brown algae (Phaeophyta) belong to the Chromista kingdom. Based on t

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Gachon, Claire M. M., Martina Strittmatter, Dieter G. Müller, Julia Kleinteich, and Frithjof C. Küpper. "Detection of Differential Host Susceptibility to the Marine Oomycete Pathogen Eurychasma dicksonii by Real-Time PCR: Not All Algae Are Equal." Applied and Environmental Microbiology 75, no. 2 (2008): 322–28. http://dx.doi.org/10.1128/aem.01885-08.

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ABSTRACT In the marine environment, a growing body of evidence points to parasites as key players in the control of population dynamics and overall ecosystem structure. However, their prevalence and impact on marine macroalgal communities remain virtually unknown. Indeed, infectious diseases of seaweeds are largely underdocumented, partly because of the expertise required to diagnose them with a microscope. Over the last few years, however, real-time quantitative PCR (qPCR) has emerged as a rapid and reliable alternative to visual symptom scoring for monitoring pathogens. Thus, we present here

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Michell, Catherine, Marc Lahaye, Christian Bonnet, Serge Mabeau1, and Jean-Luc Barry. "In vitrofermentation by human faecal bacteria of total and purified dietary fibres from brown seaweeds." British Journal of Nutrition 75, no. 2 (1996): 263–80. http://dx.doi.org/10.1017/bjn19960129.

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AbstractThe in vitro degradation of dietary fibre from three brown seaweeds (Himanthalia elongata, Laminaria digitata and Undaria pinnatiJda) was studied, using human faecal flora. Two sets of fibre were tested: (1) total algal fibres extracted from the whole algae, mainly composed of alginates, and (2) purified fibres (sulphated fucans, Na-alginates and laminarans) representative of those contained in the whole brown algae. Mannuronate, one algal component, was also investigated. Substrate disappearance and short- chain fatty acid (SCFA) production were monitored after 6, 12 and 24 h fermenta

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Gross, Michael. "Brown algae and blue carbon." Current Biology 34, no. 21 (2024): R1059—R1061. http://dx.doi.org/10.1016/j.cub.2024.10.043.

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Lewis, Raymond J. "Chromosomes of the brown algae." Phycologia 35, no. 1 (1996): 19–40. http://dx.doi.org/10.2216/i0031-8884-35-1-19.1.

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de Mesquita, Michelle Marchezan F., Mirian A. C. Crapez, Valéria L. Teixeira, and Diana N. Cavalcanti. "Potential interactions bacteria-brown algae." Journal of Applied Phycology 31, no. 2 (2018): 867–83. http://dx.doi.org/10.1007/s10811-018-1573-4.

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Zaporozhets, Ekaterina Y., Ekaterina V. Fomenko, Albert H. H. Nugmanov, Lina Yu Lagutkina, Igor Yu Aleksanyan, and Victoria N. Savinova. "Thermodynamic Analysis of Static Moisture Sorption Patterns by Ectocarpus Based on Its Hygroscopic Characteristics." Food Industry 8, no. 3 (2023): 114–22. http://dx.doi.org/10.29141/2500-1922-2023-8-3-12.

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The most popular biopolymers in the food industry are polysaccharides, including sodium alginate (food additive E401) used as a thickener in the jelly, sauces and fillings production, as well as a moisture-retaining ingredient in bread, bakery products, etc.; and brown algae of marine nature (kelp and fucus) serve as its unique industrial source in modern conditions. Brown algae of the Caspian basin including Ectocarpus are rich of alginate. The research aim is to determine the hygroscopic parameters during moisture sorption by ectocarpus, and conduct their thermodynamic analysis to specify th

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Pasanda, Octovianus S. R., and Abdul Azis. "THE EXTRACTION OF BROWN ALGAE (Sargassum sp) THROUGH CALCIUM PATH TO PRODUCE SODIUM ALGINATE." Jurnal Bahan Alam Terbarukan 7, no. 1 (2018): 64–69. http://dx.doi.org/10.15294/jbat.v7i1.11412.

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Brown algae is a source of sodium alginat raw material. One type of brown algae that is found to grow in Indonesian waters is Sargassum echinocarphum. Brown algae including one type of seaweed that grows in many waters of Indonesia, especially the waters of Eastern Indonesia. Alginat is a pure polysaccharide of uronic acid contained in a brown algae cell wall arranged in the form of long linear chain alginic acids with levels reaching 40% of the total dry weight. The alginat form in general is sodium alginat, a water soluble alginat salt. The purpose of this research is to know the quality of

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Kapetanovic, Radomir, Dusan Sladic, Simeon Popov, Mario Zlatovic, Zoran Kljajic, and Miroslav Gasic. "Sterol composition of the Adriatic sea algae Ulva lactuca, Codium dichotomum, Cystoseira adriatica and Fucus virsoides." Journal of the Serbian Chemical Society 70, no. 12 (2005): 1395–400. http://dx.doi.org/10.2298/jsc0512395k.

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The sterol composition of two green algae and two brown algae from the South Adriatic was determined. In the green alga Ulva lactuca, the principal sterols were cholesterol and isofucosterol. In the brown alga Cystoseira adriatica, the main sterols were cholesterol and stigmast-5-en-3?-ol, while the characteristic sterol of the brown algae, fucosterol, was found only in low concentration. The sterol fractions of the green alga Codium dichotomum and the brown alga Fucus virsoides contained practically only one sterol each, comprising more than 90 % of the total sterols (clerosterol in the forme

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Ramkumar, Ashwini, and Sridar Jayavel. "Isolation of Fatty Acid Constituents from Ulva Fasciata and its Anticancer Activity on HeLa Cells." Shanlax International Journal of Arts, Science and Humanities 10, no. 2 (2022): 28–37. http://dx.doi.org/10.34293/sijash.v10i2.4999.

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Macroalgae are found as a great source of biologically active compounds important in pharmaceutical industry. In this study, 8 algal samples namely Ulvafasciata (Green algae), Padinagymnosphora, Sargassamwightii, and Turbinariaornate (brown algae), Gracilariacorticata, Halimedamacrolopa, Halymeniadilatata, and Gracilariacrassa (red algae) were collected and identified its fatty acid compositions. U. fasciatawhich showed high fatty acid constituents was further analysed for its anticancer activity against Hela cells by MTT assay and AO/EtBr staining. The results confirmed that U. fasciata could

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Lokollo, Frijona F., and Ronald D. Hukubun. "JENIS ALGA COKLAT PENGHASIL ALGINAT DI PULAU AMBON." Jurnal Laut Pulau: Hasil Penelitian Kelautan 1, no. 1 (2022): 1–10. http://dx.doi.org/10.30598/jlpvol1iss1pp1-10.

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Brown algae contains alginate is a hydrocolloid compound. This study aims to determine the types of brown algae as alginate producers in the coastal waters of Ambon island, Tial and Liang villages, Central Maluku. This research was conducted in April 2021. Sampling is carried out by means of free collection at low tide, at the time of sampling it is visually observed the condition of the substrate on which brown algae. Liang village beach as a whole has a variety of substrates of rocky, rocky sand, sand mixed with dead coral. However, in the sampling area, it was found that the dominant substr

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Mori, J. F., T. R. Neu, S. Lu, M. Händel, K. U. Totsche, and K. Küsel. "Iron encrustations on filamentous algae colonized by <i>Gallionella</i>-related bacteria in a metal-polluted freshwater stream." Biogeosciences 12, no. 18 (2015): 5277–89. http://dx.doi.org/10.5194/bg-12-5277-2015.

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Abstract. Filamentous macroscopic algae were observed in slightly acidic to circumneutral (pH 5.9–6.5), metal-rich stream water that leaked out from a former uranium mining district (Ronneburg, Germany). These algae differed in color and morphology and were encrusted with Fe-deposits. To elucidate their potential interaction with Fe(II)-oxidizing bacteria (FeOB), we collected algal samples at three time points during summer 2013 and studied the algae-bacteria-mineral compositions via confocal laser scanning microscopy (CLSM), scanning electron microscopy (SEM), Fourier transform infrared (FTIR

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Ulfah, Syarifah Widya, Hanifa Mawaddah, Isnaini Rahma Lubis, Muhammad Fazil Mawla Lubis, and Qoyum Amalia. "Identifikasi Produk Bahan Obat Berbahan Dasar Alga (Mikro Alga atau Makroalga) pada Pasar Tradisional/Modern di Kota Medan." El-Mujtama: Jurnal Pengabdian Masyarakat 4, no. 2 (2024): 469–75. http://dx.doi.org/10.47467/elmujtama.v4i2.894.

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Algae has the potential to be a very useful resource for humans. Some types of algae are known to have antioxidant, anticancer, anti-inflammatory, and antifungal properties that can help in treating diseases. This research was conducted in traditional and modern markets in the city of Medan, especially in Jl. Jamin Ginting, North Sumatra. The aim of this research is to identify the types of medicinal products made from algae (microalgae or macroalgae) available in traditional/modern markets in the city of Medan. The sampling method used was cruise methods with Purposive Sampling Technique. The

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Karpenko, Larisa, Alesya Bakhta, Olga Babich, Stanislav Sukhikh, and Ilya Nikonov. "Brown algae from White Sea are the perspective sources of biologically active substances for poultry." Poultry and Chicken Products 26, no. 1 (2024): 14–16. http://dx.doi.org/10.30975/2073-4999-2024-26-1-14-16.

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Brown algae of Fucus and Ascophylum genera may be sources of biologically active substances for poultry. Content of water soluble vitamins and essential amino acids has been determined in brown algae samples during research.

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Georgii, Ana Débora Nunes Pinheiro, and Valéria Laneuville Teixeira. "Dictyota and Canistrocarpus Brazilian Brown Algae and Their Bioactive Diterpenes—A Review." Marine Drugs 21, no. 9 (2023): 484. http://dx.doi.org/10.3390/md21090484.

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Dictyotaceae algae have gained recognition as prolific producers of diterpenes, which are molecules with significant biotechnological potential. These diterpenes hold immense promise as potential active drug components, making the algae a compelling area of study. The present review aims to present the latest advancements in understanding the biopotential of Brazilian Dictyota and Canistrocarpus brown algae, shedding light on the remarkable diversity and the biological and pharmacological potential of the secondary metabolites they produce. A total of 78 articles featuring 26 distinct diterpen

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MARTINS, NUNO T., CARLOS FREDERICO D. GURGEL, TRACEY M. SPOKES, and VALÉRIA CASSANO. "First record of Mikrosyphar zosterae (Chordariaceae, Phaeophyceae) in the southern hemisphere and as an endophyte in the brown algal genera Leathesia and Colpomenia." Phytotaxa 497, no. 2 (2021): 113–26. http://dx.doi.org/10.11646/phytotaxa.497.2.4.

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Several filamentous endophytic genera are assigned to the Phaeophyceae, in particular to the family Chordariaceae (Cormaci et al. 2012). Brown endophytic filamentous algae are known to cause infections in host marine algae (Schoenrock et al. 2013; Ogandaga et al. 2016, 2017; Gao et al. 2019). Acting as pathogens, they may cause morphological, physiological and ecological changes in the host alga such as production of galls and wart-like spots, changes in metabolism and growth rates, and changes in survivorship and reproduction (Schoenrock et al. 2013; Ogandaga et al. 2016, 2017; Gao et al. 201

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Asmawati, Asmawati, Rafikah Hasyim, Andi IA Lianingsih, and Dwi F. Ariani. "The difference of anti-inflammatory effect of brown algae extract panida sp. and sargassum sp that is derived from Punaga beach, South Sulawesi." Journal of Dentomaxillofacial Science 1, no. 2 (2016): 116. http://dx.doi.org/10.15562/jdmfs.v1i2.8.

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Seaweed is one of resourceful plants in Indonesia. Some researchers suggested that brown seaweed has a potential to be an anti-inflammatory agent because it contains polysaccharide sulfate, PUFA, and fuchosantin. Punaga Village that is located in South Sulawesi is an area where most people work as seaweed farmer and cultivation of seaweed. This is why researcher found it interest to use natural sources as an alternative of herbal medicine especially as an anti-inflammatory. The objective of this study was to evaluate the difference of anti-inflammatory effect of brown algae extract Padina sp.

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Fahmy, Nouran M., Mariam I. Gamal El-Din, Maha M. Salem, et al. "Enhanced Expression of p53 and Suppression of PI3K/Akt/mTOR by Three Red Sea Algal Extracts: Insights on Their Composition by LC-MS-Based Metabolic Profiling and Molecular Networking." Marine Drugs 21, no. 7 (2023): 404. http://dx.doi.org/10.3390/md21070404.

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Brown algae comprise up to 2000 species with wide dissemination in temperate zones. A comprehensive untargeted metabolic profiling guided by molecular networking of three uninvestigated Red-Sea-derived brown algae, namely Sirophysalis trinodis, Polycladia myrica, and Turbinaria triquetra, led to the identification of over 115 metabolites categorized as glycerolipids, fatty acids, sterol lipids, sphingolipids, and phospholipids. The three algae exhibited low-to-moderate antioxidant capacity using DPPH and ABTS assays. Preliminary in vitro antiproliferative studies showed that the algal extracts

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