Chitinous component of the cell wall of Fusarium oxysporum, its structure deduced from chitosanase digestion

被引:16
作者
Fukamizo, T [1 ]
Honda, Y [1 ]
Toyoda, H [1 ]
Ouchi, S [1 ]
Goto, S [1 ]
机构
[1] KINKI UNIV, FAC AGR, PLANT PATHOL LAB, NARA 631, JAPAN
关键词
Fusarium oxysporum; cell wall structure; chitosanase; chitooligosaccharide; C-13-NMR;
D O I
10.1271/bbb.60.1705
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The cell wall of Fusarium oxysporum was digested with commercial Bacillus pumilus chitosanase, The chitosanase produced low molecular weight heterooligosaccharides consisting of GlcN and GlcNAc from the cell wall, A main component of the digestion products was identified as 2-amino-2-deoxy-beta-D-glucopyranosyl-(1 --> 4)-2-acetamido-2-deoxy-D-glucopyranose The chitosanase appeared to be more effective than Streptomyces griseus chitinase for cell wall digestion, Moreover, maltose was unexpectedly found in the digestion products, indicating that the cell wall contains alpha-1,4-linked glucan chain as a polysaccharide component.
引用
收藏
页码:1705 / 1708
页数:4
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