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Bioprospecting for new exopolysaccharide-producing microalgae of marine origin / Bioprospección de nuevas microalgas de origen marino productoras de exopolisacáridos
Concórdio-Reis, Patrícia; David, Helena; Reis, Maria A. M; Amorim, Ana; Freitas, Filomena.
Afiliación
  • Concórdio-Reis, Patrícia; NOVA University Lisbon. Faculty of Sciences and Technology, School of Science and Technology. Department of Chemistry. Caparica. Portugal
  • David, Helena; Universidade de Lisboa. Faculdade de Ciências. Lisboa. Portugal
  • Reis, Maria A. M; NOVA University Lisbon. School of Science and Technology. Institute for Health and Bioeconomy. Caparica. Portugal
  • Amorim, Ana; Universidade de Lisboa. Faculdade de Ciências. Lisboa. Portugal
  • Freitas, Filomena; NOVA University Lisbon. Faculty of Sciences and Technology, School of Science and Technology. Department of Chemistry. Caparica. Portugal
Int. microbiol ; 26(4): 1123-1130, Nov. 2023. ilus
Article en En | IBECS | ID: ibc-227497
Biblioteca responsable: ES1.1
Ubicación: ES15.1 - BNCS
ABSTRACT
Microalgae are photosynthetic organisms that can produce biomolecules with industrial interest, including exopolysaccharides (EPS). Due to their structural and compositional diversity, microalgae EPS present interesting properties that can be considered in cosmetic and/or therapeutic areas. Seven microalgae strains from three different lineages, namely Dinophyceae (phylum Miozoa), Haptophyta, and Chlorophyta, were investigated as EPS producers. All strains were found to be EPS producers, though the highest EPS yield was obtained for Tisochrysis lutea, followed by Heterocapsa sp. (126.8 and 75.8 mg L−1, respectively). Upon assessment of the polymers’ chemical composition, significant contents of unusual sugars, including fucose, rhamnose, and ribose, were found. Heterocapsa sp. EPS stood out due to its high content of fucose (40.9 mol%), a sugar known to confer biological properties to polysaccharides. The presence of sulfate groups (10.6–33.5 wt%) was also noticed in the EPS produced by all microalgae strains, thus contributing to the possibility that these EPS might have biological activities worth exploring.(AU)
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Colección: 06-national / ES Base de datos: IBECS Asunto principal: Polisacáridos Bacterianos / Chlorophyta / Haptophyta / Microalgas / Bioprospección / Fucosa Idioma: En Revista: Int. microbiol Año: 2023 Tipo del documento: Article
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Colección: 06-national / ES Base de datos: IBECS Asunto principal: Polisacáridos Bacterianos / Chlorophyta / Haptophyta / Microalgas / Bioprospección / Fucosa Idioma: En Revista: Int. microbiol Año: 2023 Tipo del documento: Article