Exopolysaccharides produced by Oenococcus oeni: from genomic and phenotypic analysis to technological valorization
Dimopoulou, Maria | Bardeau, Tiphaine | Ramonet, Pierre-Yves | Miot-Sertier, Cecile | Claisse, Olivier | Doco, Thierry | Petrel, Melina | Lucas, Patrick | Dols-Lafargue, Marguerite | Unité de Recherche Oenologie [Villenave d'Ornon] (OENO) ; Institut National de la Recherche Agronomique (INRA)-Université de Bordeaux (UB)-Institut des Sciences de la Vigne et du Vin (ISVV) | Institut National de la Recherche Agronomique (INRA) | Université de Bordeaux (UB) | Sciences Pour l'Oenologie (SPO) ; Université Montpellier 1 (UM1)-Institut National de la Recherche Agronomique (INRA)-Université de Montpellier (UM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | Bordeaux Imaging Center (BIC) ; Université de Bordeaux (UB)-Institut François Magendie-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS) | Institut National de la Santé et de la Recherche Médicale (INSERM) | Centre National de la Recherche Scientifique (CNRS)
19. Meeting of the Club des Bactéries Lactiques
Показать больше [+] Меньше [-]Английский. Oenococcus oeni (O. oeni), which is the main species that drives malolactic fermentation (FML), an essential step for wine microbial stabilization and quality improvement, is known to produce exopolysaccharides (EPS). Depending on the strain, these EPS can be soluble, remain attached to the cell or both. In the present study, fourteen strains were examined for eps gene content and EPS production capacities. Cell-linked and soluble heteropolysaccharides made of glucose, galactose and rhamnose, soluble β-glucan, and soluble dextran or levan were found, depending on the strain. The protective potential of either cell-linked heteropolysaccharides or dextrans produced was then studied during freeze drying of the bacterial strains.
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