Galactosyl residue in exopolysaccharide from Rhizobium meliloti JJ-1 exposed to manganese is furanoid |
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| Authors: | Vasu D. Appanna |
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| Affiliation: | (1) Chemistry Department, McGill University, Montreal, Canada;(2) Present address: Department of Chemistry, Laurentian University, Ramsey Lake Road, P3E 2C6 Sudbury, Ontario, Canada |
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| Abstract: | Exopolysaccharide (EPS) elaborated by Rhizobium meliloti JJ-1 in a manganese supplemented medium was isolated. Periodate oxidation, reduction with sodium borohydride, followed by hydrolysis and subsequent capillary gas liquid chromatography of the derived alditol acetates revealed that D-galactose in this complex biopolymer is in furanoid form. This observation was further confirmed by 13carbon nuclear magnetic resonance (13C NMR). |
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| Keywords: | exopolysaccharide D-galactofuranose Rhizobium meliloti JJ-1 |
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