Academic literature on the topic 'Red agarophyte alga'

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Journal articles on the topic "Red agarophyte alga"

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Chiheb, Houda, Pilar García-Jiménez, Rafael R. Robaina, Mustapha Hassoun, and Hassane Riadi. "Développement D’un Stock De Semences (Seedstocks) De L’algue Rouge Gelidium Corneum (Gelidiaceae, Rhodophyta)." European Scientific Journal, ESJ 14, no. 6 (2018): 112. http://dx.doi.org/10.19044/esj.2018.v14n6p112.

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Gelidium corneum is a species of red algae notable for its commercial important as an agarophyte in Morocco. Several regions from the Moroccan Atlantic show that this alga is an endangered species due to the excessive tearing. Hence, the repopulation of these areas is necessary. The in vitro culture of the species was carried out in three media: enriched seawater medium (PES medium (Provasoli Enriched Seawater, Provasoli 1968)), medium with seawater (SW) and medium with artificial seawater, with the addition of polyamines (putrescine (put), spermidine (spd), and spermine (spr)) as a growth reg
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McReynolds, Colin, Amandine Adrien, Antoine Silvestre de Ferron, et al. "Extraction of Mycosporine-like Amino Acids and Proteins from the Agarophyte Gelidium corneum Using Pulsed Power Techniques." Foods 12, no. 7 (2023): 1473. http://dx.doi.org/10.3390/foods12071473.

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Gelidium corneum (syn. sesquipedale) is an industrially and ecologically important species of red alga used for the production of high-quality agar. However, the species is also of growing interest for the production of other valuable compounds, such as mycosporine-like amino acids (MAAs), with potential cosmeceutical and biomedical applications. Novel methods using two pulsed power techniques, high-voltage electrical discharges (HVED) and pulsed electrical fields (PEF), were evaluated for efficacy of MAA extraction. Algal suspensions were prepared at two ratios (1:20 and 1:40 w:v). Four diffe
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Schroeder, Declan C., Mohamed A. Jaffer та Vernon E. Coyne. "Investigation of the role of a β(1–4) agarase produced by Pseudoalteromonas gracilis B9 in eliciting disease symptoms in the red alga Gracilaria gracilis". Microbiology 149, № 10 (2003): 2919–29. http://dx.doi.org/10.1099/mic.0.26513-0.

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Gracilaria species are an important source of agar. The South African Gracilaria industry has experienced a number of setbacks over the last decade in the form of complete or partial die-offs of the agarophyte growing in Saldanha Bay, which may be attributed to bacterial infection. Since a positive correlation was observed between the presence of agarolytic epiphytes and bacterial pathogenicity, we investigated the role of an agarase in the virulence mechanism employed by a bacterium that elicits disease in Gracilaria gracilis. The recombinant plasmid pDA1, isolated from a Pseudoalteromonas gr
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Honda, Masaki, Takashi Ishimaru, Yutaka Itabashi, and Mikhail Vyssotski. "Glycerolipid Composition of the Red Macroalga Agarophyton Chilensis and Comparison to the Closely Related Agarophyton Vermiculophyllum Producing Different Types of Eicosanoids." Marine Drugs 17, no. 2 (2019): 96. http://dx.doi.org/10.3390/md17020096.

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The red macroalga Agarophyton chilensis is a well-known producer of eicosanoids such as hydroxyeicosatetraenoic acids, but the alga produces almost no prostaglandins, unlike the closely related A. vermiculophyllum. This indicates that the related two algae would have different enzyme systems or substrate composition. To carry out more in-depth discussions on the metabolic pathway of eicosanoids between the two algae, we investigated the characteristics of glycerolipids, which are the substrates of eicosanoids production, of A. chilensis and compared them to the reported values of A. vermiculop
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Ficko-Blean, Elizabeth, Delphine Duffieux, Étienne Rebuffet, et al. "Biochemical and structural investigation of two paralogous glycoside hydrolases fromZobellia galactanivorans: novel insights into the evolution, dimerization plasticity and catalytic mechanism of the GH117 family." Acta Crystallographica Section D Biological Crystallography 71, no. 2 (2015): 209–23. http://dx.doi.org/10.1107/s1399004714025024.

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The family 117 glycoside hydrolase (GH117) enzymes have exo-α-1,3-(3,6-anhydro)-L-galactosidase activity, removing terminal nonreducing α-1,3-linked 3,6-anhydro-L-galactose residues from their red algal neoagarose substrate. These enzymes have previously been phylogenetically divided into clades, and only the clade A enzymes have been experimentally studied to date. The investigation of two GH117 enzymes, Zg3615 and Zg3597, produced by the marine bacteriumZobellia galactanivoransreveals structural, biochemical and further phylogenetic diversity between clades. A product complex with the unusua
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Ignatova, T. A., A. V. Podkorytova, A. I. Usov, and T. V. Rodina. "Ranking of red algae-agarophytes by their quality criteria using the methods of mathematical analysis." Trudy VNIRO 176 (2019): 27–40. http://dx.doi.org/10.36038/2307-3497-2019-176-27-40.

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Goff, Lynda J., Debra A. Moon, and Annette W. Coleman. "MOLECULAR DELINEATION OF SPECIES AND SPECIES RELATIONSHIPS IN THE RED ALGAL AGAROPHYTES GRACILARIOPSIS AND GRACILARIA (GRACILARIALES)1." Journal of Phycology 30, no. 3 (1994): 521–37. http://dx.doi.org/10.1111/j.0022-3646.1994.00521.x.

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Saha, Mahasweta, Shawn Dove, and Florian Weinberger. "Chemically Mediated Microbial “Gardening” Capacity of a Seaweed Holobiont Is Dynamic." Microorganisms 8, no. 12 (2020): 1893. http://dx.doi.org/10.3390/microorganisms8121893.

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Terrestrial plants are known to “garden” the microbiota of their rhizosphere via released metabolites (that can attract beneficial microbes and deter pathogenic microbes). Such a “gardening” capacity is also known to be dynamic in plants. Although microbial “gardening” has been recently demonstrated for seaweeds, we do not know whether this capacity is a dynamic property in any aquatic flora like in terrestrial plants. Here, we tested the dynamic microbial “gardening” capacity of seaweeds using the model invasive red seaweed Agarophyton vermiculophyllum. Following an initial extraction of surf
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Oates, Brian R., and Kathleen M. Cole. "Comparative studies on hair cells of two agarophyte red algae, Gelidium vagum (Gelidiales, Rhodophyta) and Gracilaria pacifica (Gracilariales, Rhodophyta)." Phycologia 33, no. 6 (1994): 420–33. http://dx.doi.org/10.2216/i0031-8884-33-6-420.1.

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Fu, Feng, Xia Zhang, Xuejiao Zhang, Qianqian Li, and Liqin Sun. "Comprehensive analysis and identification of heat-responsive genes in Agarophyton vermiculophyllum by RNA-sequencing." Botanica Marina 63, no. 5 (2020): 479–90. http://dx.doi.org/10.1515/bot-2020-0006.

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AbstractAgarophyton vermiculophyllum is a commercially important red alga for agar production in the Northwest Pacific Ocean and is an invasive seaweed in Europe. High temperature is an important environmental stressor that influences its growth, metabolism, and migration. Nevertheless, little is known about the molecular mechanisms underpinning the response of A. vermiculophyllum to heat stress. Using RNA-sequencing, we performed the first comprehensive transcriptome analysis of A. vermiculophyllum under heat stress to explore and identify potentially important heat stress-responsive genes. A
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Dissertations / Theses on the topic "Red agarophyte alga"

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Koçi, Rromir. "Valorisation d'un co-produit d'extraction de l'agar à partir de l'algue rouge Gelidium sesquipedale en tant que stimulateur de défenses de plantes. Caractérisation chimique et évaluation de ses propriétés en vue d'applications en biocontrôle." Electronic Thesis or Diss., Limoges, 2023. http://www.theses.fr/2023LIMO0007.

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Les co-produits industriels de la première étape d’extraction d’agar (de l’algue rouge Gelidium sesquipedale) constituent au sein de l’entreprise SETEXAM des volumes importants potentiellement valorisables. L’objectif de ce travail est de démontrer qu’ils peuvent être utilisés en tant qu‘éliciteur, ou stimulateur des défenses naturelles (SDN). D’abord, la composition élémentaire du co-produit alcalin a révélé une teneur en minéraux de 44 % (Na, K éléments majeurs) avec des traces de métaux lourds, mais en dessous de la limite autorisée. Les principaux composés organiques détectés sont des gluc
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