Lignification and lignin topochemistry - an ultrastructural view

被引：439

作者：

Donaldson, LA ^{[1
]}

机构：

[1] Forest Res, Private Bag 3020, Rotorua, New Zealand

来源：

PHYTOCHEMISTRY | 2001年 / 57卷 / 06期

关键词：

lignification; lignin topochemistry; lignin distribution; monolignol; guaiacyl; syringyl; p-hydroxyphenyl; angiosperms; gymnosperms; reaction wood; ultrastructure;

D O I：

10.1016/S0031-9422(01)00049-8

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：

This review discuses the ultrastructural aspects of cell wall lignification and lignin topochemistry. Lignification results from the enzyme mediated polymerization of monolignols initiated by unknown factors (initiation sites) located at the corners of cells and in the middle lamella. Lignification results in the filling of pores within the carbohydrate matrix following a sequence from the outer regions of the wall towards the lumen. The amount and chemical characteristics of lignin vary across the cell wall, with the presence of reaction wood. and among cell types. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：859 / 873

页数：15

共 186 条

[51] Changes in the three dimensional architecture of the cell wall during lignification of xylem cells in Eucalyptus tereticornis [J].