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Phytochemistry. 2001 Jul;57(6):859-73.

Lignification and lignin topochemistry - an ultrastructural view.

Author information

1
Forest Research, Private Bag 3020, Rotorua, New Zealand. lloyd.donaldson@forestresearch.co.nz

Abstract

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.

PMID:
11423137
DOI:
10.1016/s0031-9422(01)00049-8
[Indexed for MEDLINE]

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