Structural studies of a novel exopolysaccharide produced by a mutant of Rhizobium meliloti strain Rm1021.
The structure of a novel expolysaccharide obtained from a mutant of Rhizobium meliloti strain Rm1021 was elucidated by a combination of enzymic, chemical, and spectroscopic methods. The polysaccharide is composed of a disaccharide repeating-unit, beta-D-Glcp-(1----3)-alpha-D-Galp-(1----3), having a 6-O-acetyl group attached to most D-glucose residues and a 4,6-O-(1-carboxyethylidene) group attached to every D-galactose residue.
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Division of Biological Sciences, Harvard School of Public Health, Boston, Massachusetts 02115.
Glazebrook
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Walker
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Reinhold
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D002236:Carbohydrate Conformation; D002240:Carbohydrate Sequence; D004187:Disaccharides / Q000032:analysis; D005690:Galactose / Q000032:analysis; D005947:Glucose / Q000032:analysis; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D008969:Molecular Sequence Data; D009154:Mutation; D011135:Polysaccharides, Bacterial / Q000096:biosynthesis; D012231:Rhizobium / Q000235:genetics / Q000378:metabolism
D004187:Disaccharides; D011135:Polysaccharides, Bacterial; D005947:Glucose; D005690:Galactose