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The structure of the exocellular polysaccharide produced by Rhodococcus sp. RHA1

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FormatTexte, Article
Sujet2D; acid; Canada; carbohydrate conformation; chromatography; D-glucose; fucose; galactose; glucose; glucuronic acid; hydrolysis; magnetic resonance spectroscopy; metabolism; methylation; models,chemical; NMR; NMR spectroscopy; oligosaccharides; polymers; polysaccharide; rhodococcus; solvents; spectra; spectroscopy; structure
Résumé
Rhodococcus sp. RHA1 is a Gram-positive actinomycete capable of metabolizing a wide spectrum of organic compounds whose survival in chemically hostile environments is believed to be in part due to the production of an exocellular polysaccharide (EPS). In order to investigate the functional nature of the EPS, its structure was determined using a combinatory approach including hydrolysis, composition, and methylation, analysis methods, as well as 2D (1)H and (13)C NMR spectroscopy. The EPS was found to be a high-molecular-mass polymer of a repeating tetrasaccharide unit composed of D-glucuronic acid, D-glucose, D-galactose, L-fucose and O-acetyl (1:1:1:1:1), and has the structure:
Date de publication
Dans
  • Carbohydr.Res. 342, nº 15 (5 novembre 2007) : 2223–2229.
Langueanglais
Numéro du CNRCPERRY2007
Numéro NPARC9363499
Exporter la noticeExporter en format RIS
Signaler une correctionSignaler une correction (s'ouvre dans un nouvel onglet)
Identificateur de l’enregistrement80da5e73-90ef-4127-8520-5dacae3939c5
Enregistrement créé2009-07-10
Enregistrement modifié2020-05-10

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