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Exopolysaccharide biosynthesis and biodegradation by a marine hydrothermal Alteromonas sp. strain 5
Lelchat, Florian; Cozien, Joelle; Le Costaouec, Tinaig; Brandily, Christophe; Schmitt, Sophie; Baudoux, Anne-claire; Colliec-jouault, Sylvia; Boisset, Claire.
Alteromonas macleodii subsp. fijiensis biovar deepsane is a deep-sea ecotype exopolysaccharide-producing bacteria isolated from the polychaete annelid Alvinella pompejana. The high molecular weight biopolymer HYD657 produced by this strain, is the first marine exopolysaccharide (EPS) to be commercialized for cosmetic use. Depolymerization methods are necessary to elucidate the complete structure of this EPS and to generate potentially bioactive oligosaccharides. Enzymatic methods are useful for elucidating polysaccharide structure because they specifically cleave glycosidic bonds and do not require harsh chemical conditions. The HYD657 EPS is structurally complex and no commercially available enzymes are able to effectively degrade it. Here, we present the...
Tipo: Text Palavras-chave: Marine Alteromonas macleodii sp strain; Bacterial exopolysaccharides; Microbial extracellular enzymes; Endogenous enzymatic degradation.
Ano: 2015 URL: https://archimer.ifremer.fr/doc/00240/35129/33893.pdf
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