CHEMICAL-COMPOSITION AND CHARACTERIZATION OF A GALACTOMANNOGLUCAN FROM GLIOCLADIUM-VIRIDE WALL MATERIAL

被引:34
作者
GOMEZMIRANDA, B [1 ]
PRIETO, A [1 ]
LEAL, JA [1 ]
机构
[1] CSIC,CTR INVEST BIOL,VELAZQUEZ 144,E-28006 MADRID,SPAIN
关键词
Galactomannoglucan; Gliocladium viride; Wall material;
D O I
10.1016/S0378-1097(05)80018-7
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The following fractions were obtained from the wall material of Gliocladium viride: F1 (27.5%), a glucan, containing xylose, mannose and galactose, coluble in 1 M NaOH at 20°C; F2 (6.7%), a β-glucan-chitin complex, solubilized with 1 M NaOH at 20°C from the previous residue left overnight at -20°C; F3 (8.1%), a glucan, containing mannose and galactose solubilized with 1 M NaOH at 70°C; and F4, the insoluble residue, a β-glucan-chitin complex similar to F2, amounting to 31.3% of the wall material. F1 was extracted with distilled water. The soluble material (F1S) was a galactomannoglucan (54.7%) and the inscluble (F1P) a glucan (45.3%). Periodate oxidation revealed the presence of glycerol, erythritol, threitol, ribitol, arabitol, mannose, galactose and glucose in F1S, and glycerol and glucose as the main components in F1P. The fractions obtained when F1S was purified through Sepharose CL6B, were methylated. © 1990 Federation of European Microbiological Societies.
引用
收藏
页码:331 / 335
页数:5
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