Surface Mannan from Glomerella cingulata
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概要
- 論文の詳細を見る
A specific layer at the outermost surface of mycelia of Glomerella cingulata G 4-1-4 was observed. The substance isolated from this layer was a polysaccharide ([α]20D +82.6°C) composed of o-mannose (97.6%), protein (2.0%) and a trace amount of phosphate. A high proportion of 3, 4-di-O-methylmannose (38mol%) was found on methylation analysis. Digestion of this mannan with a bacterial α-D-mannosidase released 78% of the D-mannose. In addition, the results of acetolysis, partial acid hydrolysis, and 1H- and 13C-NMR spectroscopy showed that the G. cingulata G 4-1-4 mannan has a backbone joined by α-l, 6-linkages, and α-1, 2- and 1, 3-linked mannose residues are attached to the C-2 position of the main chain segment, giving it a highly branched structure. Although G. cingulata G 4-1-4 mannan has the above properties, its basic structure appears to be similar to that of bakers yeast mannan.
- 社団法人 日本農芸化学会の論文
著者
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Watanabe Reiko
Niigata Women's College
-
Ogasawara Nagahiro
Department Of Agricultural Chemistry Faculty Of Agriculture Niigata Unirersity
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Hoshino Tsutomu
Department Of Agricultural Chemistry Faculty Of Agriculture Niigata University
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