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Structural studies of the exocellular polysaccharides of Agrobacterium tumefaciens and Agrobacterium radiobacter

โœ Scribed by Mohamed M. El-Sayed; Zakia A. Olama; Maged E. Allam

Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
642 KB
Volume
118
Category
Article
ISSN
0008-6215

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โœฆ Synopsis

The exocellular polysaccharides of Agrobacterium tumefaciens and Agrobacterium radiobacter have been investigated by the techniques of methylation and Smith degradation-periodate oxidation. The structure of the A. tumefaciens polysaccharide has been found to consist of hexasaccharide repeating-units having D-glUCOSe as the sole sugar component, and pyruvic acid, O-succinyl, and O-acetyl in the molar ratios of -5.8:1.03:0.91:0.87. Agrobacterium radiobacter polysaccharide was shown to contain D-glucose, D-galactose, pyruvic acid, 0-succinyl, and O-acetyl in the molar ratios of -3.

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