Biotechnology in trees: Towards improved paper pulping by lignin engineering |
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| Authors: | Cuiying Chen Marie Baucher Jørgen Holst Christensen Wout Boerjan |
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| Institution: | (1) Vakgroep Moleculaire Genetica en Departement Plantengenetica, Vlaams Interuniversitair Instituut voor Biotechnologie, Universiteit Gent, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium;(2) Laboratoire de Biotechnologie Végétale, Université Libre de Bruxelles, Chaussée de Wavre 1850, B-1160 Brussels, Belgium |
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| Abstract: | Lignin is a heterogenous phenolic polymer that plays crucial roles in the development and physiology of vascular plants. However,
it needs to be removed from cellulose by toxic and energy-requiring processes for the production of high-quality paper. Therefore,
a major biotechnological challenge is to obtain transgenic trees with modified lignin to improve the quality of wood for paper
making. Here, we review the results obtained by alterating the expression of genes of the monolignol biosynthesis pathway
in trees and the effect of these modifications on the lignin polymer and on pulping. The data reported show that lignin engineering
is a promising strategy to improve wood quality for the pulp and paper industry.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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| Keywords: | forest tree genetic engineering lignin monolignol poplar pulp and paper |
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