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Extracellular biopolymers produced by freshwater cyanobacteria: a screening study

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    0511650 - BÚ 2020 RIV SK eng J - Journal Article
    Uhliariková, I. - Chválová, B. - Matulová, M. - Cepák, Vladislav - Lukavský, Jaromír - Capek, P.
    Extracellular biopolymers produced by freshwater cyanobacteria: a screening study.
    Chemical Papers. Roč. 73, č. 3 (2019), s. 771-776. ISSN 2585-7290. E-ISSN 1336-9075
    R&D Projects: GA TA ČR TE01020080
    Institutional support: RVO:67985939
    Keywords : Cyanobacteria * Exopolymers * Glycoconjugates * Composition
    OECD category: Biochemistry and molecular biology
    Impact factor: 1.680, year: 2019
    Method of publishing: Limited access

    Cyanobacteria are a rich source of metabolites of a great biotechnological and industrial importance. In this screening study the exopolysaccharides (EPSs) produced by 25 cyanobacterial strains were characterized by yields, chemical composition (protein, carbohydrate, and uronic acid contents, monosaccharide composition, and polymer type) and proton NMR. Most of them were identified as glycoconjugates, i.e. glycoproteins or proteoglycans, in which heteropolysaccharides were composed of seven-to-ten monosaccharide units. At studied cyanobacterial species a significant variation of EPS yields (24–8085 mg/L), carbohydrate (9–67%) and protein (0–37.8%) contents was observed.
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