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Title: Lignin polymerization: how do plants manage the chemistry so well?
Authors: Tobimatsu, Yuki  kyouindb  KAKEN_id  orcid (unconfirmed)
Schuetz, Mathias
Author's alias: 飛松, 裕基
Issue Date: Apr-2019
Publisher: Elsevier BV
Journal title: Current Opinion in Biotechnology
Volume: 56
Start page: 75
End page: 81
Abstract: The final step of lignin biosynthesis is the polymerization of monolignols in apoplastic cell wall domains. In this process, monolignols secreted by lignifying cells, or occasionally neighboring non-lignifying and/or other lignifying cells, are activated by cell-wall-localized oxidation systems, such as laccase/O2 and/or peroxidase/H2O2, for combinatorial radical coupling to make the final lignin polymers. Plants can precisely control when, where, and which types of lignin polymers are assembled at tissue and cellular levels, but do not control the polymers’ exact chemical structures per se. Recent studies have begun to identify specific laccase and peroxidase proteins responsible for lignin polymerization in specific cell types and during different developmental stages. The coordination of polymerization machinery localization and monolignol supply is likely critical for the spatio-temporal patterning of lignin polymerization. Further advancement in this research area will continue to increase our capacity to manipulate lignin content/structure in biomass to meet our own biotechnological purposes.
Rights: © 2018 Elsevier Ltd. All rights reserved. This article is published under a Creative Commons license.
DOI(Published Version): 10.1016/j.copbio.2018.10.001
PubMed ID: 30359808
Appears in Collections:Journal Articles

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