Presence of xyloglucan-like polysaccharide in Spirogyra and possible involvement in cell-cell attachment

被引:25
作者
Ikegaya, Hisato [1 ]
Hayashi, Takahisa [2 ]
Kaku, Tomomi [2 ]
Iwata, Kazuyoshi [1 ]
Sonobe, Seiji [1 ]
Shimmen, Teruo [1 ]
机构
[1] Univ Hyogo, Grad Sch Life Sci, Harima, Hyogo 6781297, Japan
[2] Kyoto Univ, Res Inst Sustainable Humanosphere, Kyoto 6110011, Japan
关键词
cell wall; rhizoid; Spirogyra; xyloglucan;
D O I
10.1111/j.1440-1835.2008.00503.x
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
By methylation analysis, it was found that the cell walls of Spirogyra contained 4,6-linked glucose, 4-linked glucose and terminal xylose, which could be components of xyloglucan. Immunocytochemical analysis was carried out using an anti-serum against xyloglucan. After removal of pectic substances, the cell walls of both rhizoid cells and inner cells were stained. Crude protein extract from Spirogyra had a hydrolase activity for xyloglucans. In addition, the exogenously applied xyloglucan prevented the detachment of the cell wall of the severed cell. Involvement of xyloglucan-like polysaccharide in cell-cell attachment was discussed.
引用
收藏
页码:216 / 222
页数:7
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