Xyloglucan endotransglucosylase action is high in the root elongation zone and in the trichoblasts of all vascular plants from Selaginella to Zea mays

被引:50
作者
Vissenberg, K
Van Sandt, V
Fry, SC
Verbelen, JP
机构
[1] Univ Antwerp UIA, Dept Biol, Lab Plant Physiol & Morphol, B-2610 Antwerp, Belgium
[2] Univ Edinburgh, Inst Cell & Mol Biol, Edinburgh Cell Wall Grp, Edinburgh EH9 3JH, Midlothian, Scotland
基金
英国生物技术与生命科学研究理事会;
关键词
club-mosses; ferns; roots; seed plants; xyloglucan endotransglucosylase/hydrolase (XTH);
D O I
10.1093/jxb/erg024
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The endotransglucosylase action of the enzyme xyloglucan endotransgiucosylase/hydrolase (XTH) was localized in the roots of diverse vascular plants: club-mosses (lycopodiophytes), ferns, gymnosperms, monocots, and dicots. High action was always found in the epidermis cell wall of the elongation zone and in trichoblasts in the differentiation zone. Clearly XTH and its action in root development evolved before the evolutionary divergence of ferns and seed plants and also of the lycopodiophytes and euphyllophytes.
引用
收藏
页码:335 / 344
页数:10
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