EXOCELLULAR ALGINIC ACID FROM AZOTOBACTER VINELANDII | Zendy

Philip A.J. Gorin | Zendy; J. F. T. Spencer | Zendy

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EXOCELLULAR ALGINIC ACID FROM AZOTOBACTER VINELANDII

Author(s) -

Philip A.J. Gorin,

J. F. T. Spencer

Publication year - 1966

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v66-147

Subject(s) - alginic acid , azotobacter vinelandii , chemistry , glycosidic bond , glucuronic acid , polysaccharide , sodium alginate , exopolymer , extracellular polysaccharide , biochemistry , glucan , bacteria , stereochemistry , sodium , organic chemistry , nitrogen , nitrogenase , nitrogen fixation , biology , genetics , enzyme

Azotobactervinelandii produces a partly acetylated exocellular polysaccharide which consists mainly of D-mannuronic acid units and a small proportion of L-guluronic acid units. It resembles alginic acid since it contains 4-O-linked mannuronosyl residues and guluronosyl residues which are 4-O- and (or) 5-O-linked. The specific rotation of bacterial sodium alginate is close to that of its algal counterpart, thus suggesting that the glycosidic configurations are similar.

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