Structure of an acidic polysaccharide elaborated by Bacillus polymyxa-1231-ATCC 842
An extracellular acidic polysaccharide, elaborated by Bacilluspolymyxa, was composed of D-glucose, D-mannose, D-galactose, and D-glucuronic acid (approximate molar ratio of 4:3:1:1). Methylation and fragmentation analysis by partial acid hydrolysis indicated that the polysaccharide had a complicated...
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| Veröffentlicht in: | Canadian journal of chemistry 1990-02, Vol.68 (2), p.323-328 |
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| container_end_page | 328 |
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| container_title | Canadian journal of chemistry |
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| creator | ABDEL-KADER, S. M ISSA, M. A EL-SHAFEI, M. A |
| description | An extracellular acidic polysaccharide, elaborated by Bacilluspolymyxa, was composed of D-glucose, D-mannose, D-galactose, and D-glucuronic acid (approximate molar ratio of 4:3:1:1). Methylation and fragmentation analysis by partial acid hydrolysis indicated that the polysaccharide had a complicated, highly branched structure, consisting mainly of β(1 → 3) and (1 → 4) D-glycosidic linkages. The backbone chain containing D-glucose, D-mannose, and D-glucuronic acid residues is attached at the C-4, C-3, and C-4 positions, respectively, one out of every three glucose residues being substituted at the C-2 position to form two kinds of branches at the C-2 and C-4 positions, with side chains of single or a few carbohydrate units that are terminated by D-glucose and (or) D-mannose residues. Keywords: acidic polysaccharide, Bacilluspolymyxa. |
| doi_str_mv | 10.1139/v90-046 |
| format | Article |
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A</creatorcontrib><title>Structure of an acidic polysaccharide elaborated by Bacillus polymyxa-1231-ATCC 842</title><title>Canadian journal of chemistry</title><description>An extracellular acidic polysaccharide, elaborated by Bacilluspolymyxa, was composed of D-glucose, D-mannose, D-galactose, and D-glucuronic acid (approximate molar ratio of 4:3:1:1). Methylation and fragmentation analysis by partial acid hydrolysis indicated that the polysaccharide had a complicated, highly branched structure, consisting mainly of β(1 → 3) and (1 → 4) D-glycosidic linkages. The backbone chain containing D-glucose, D-mannose, and D-glucuronic acid residues is attached at the C-4, C-3, and C-4 positions, respectively, one out of every three glucose residues being substituted at the C-2 position to form two kinds of branches at the C-2 and C-4 positions, with side chains of single or a few carbohydrate units that are terminated by D-glucose and (or) D-mannose residues. 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Psychology</topic><topic>Other biological molecules</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ABDEL-KADER, S. M</creatorcontrib><creatorcontrib>ISSA, M. A</creatorcontrib><creatorcontrib>EL-SHAFEI, M. A</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Canadian journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ABDEL-KADER, S. M</au><au>ISSA, M. A</au><au>EL-SHAFEI, M. 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| source | NRC Research Press; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Free Full-Text Journals in Chemistry |
| subjects | Analytical, structural and metabolic biochemistry Biological and medical sciences Fundamental and applied biological sciences. Psychology Other biological molecules |
| title | Structure of an acidic polysaccharide elaborated by Bacillus polymyxa-1231-ATCC 842 |
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