Xyloglucan from xylem-differentiating zones of Cryptomeria japonica

被引：15

作者：

Kakegawa, K ^{[1
]}

Edashige, Y ^{[1
]}

Ishii, T ^{[1
]}

机构：

[1] Forestry & Forest Prod Res Inst, Tsukuba, Ibaraki 305, Japan

来源：

PHYTOCHEMISTRY | 1998年 / 47卷 / 05期

关键词：

Cryptomeria japonica; Taxodiaceae; sugi; xylem-differentiating zone; cell walls; xyloglucan;

D O I：

10.1016/S0031-9422(97)00662-6

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：

Xyloglucan was isolated from xylem-differentiating zones of Cryptomeria japonica. Endo-1,4-beta-glucanase digestion of the xyloglucan gave a series of oligosaccharides. These oligosaccharides were purified by gel permeation chromatography and normal-phase HPLC. Glycosyl-residue composition and glycosyl-linkage composition analyses, H-1 NMR spectroscopy and FAB-mass spectrometry of the oligosaccharides showed that the xyloglucan was composed of five kinds of oligosaccharide. These oligosaccharides are commonly found in xyloglucan from dicot plants and are characterized as XXXG, XXLG, XXFG, XLLG and XLFG. These results suggest that xyloglucan from gymnosperms has similar structure to that of dicots. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：767 / 771

页数：5

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