NDLI: Distribution of lignin and lignin precursors in differentiating xylem of Japanese cypress and poplar

Content Provider	Springer Nature Link
Author	Tsuyama, Taku Takabe, Keiji
Copyright Year	2014
Abstract	Lignin is an integral component of the cell wall of vascular plants. The mechanism of supply of lignin precursors from the cytosol into the cell wall of differentiating xylem has not yet been elucidated. The present study showed that a certain amount of coniferyl alcohol glucoside (coniferin) occurred in the differentiating xylem of Japanese cypress (Chamaecyparis obtusa), as previously reported in gymnosperms. Coniferin content peaked in the early stages of secondary wall formation and decreased during lignification. In contrast to gymnosperms, coniferin content was limited in the differentiating xylem of poplar (Populus sieboldii × Populus grandidentata). Moreover, coniferyl alcohol was not detected in all specimens. In the differentiating xylem of poplar, a higher amount of sinapyl alcohol occurred than glucoside (syringin). However, the phloem contained syringin and not sinapyl alcohol. The sinapyl alcohol content in the xylem peaked in the cells with ceasing cell wall formation, and decreased gradually towards the boundary of the annual ring, where the lignin content kept increasing. Sinapyl alcohol in the differentiating xylem of poplar may be used for the lignification of the xylem.
Starting Page	353
Ending Page	361
Page Count	9
File Format	PDF
ISSN	14350211
Journal	Journal of Wood Science
Volume Number	60
Issue Number	5
e-ISSN	16114663
Language	English
Publisher	Springer Japan
Publisher Date	2014-07-17
Publisher Place	Tokyo
Access Restriction	Subscribed
Subject Keyword	Coniferin Sinapyl alcohol Syringin Coniferyl alcohol Thioglycolic acid lignin Wood Science & Technology Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Biomaterials Forestry

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Coniferin β-glucosidase is ionically bound to cell wall in differentiating xylem of poplar

Distribution of lignin and lignin precursors in differentiating xylem of Japanese cypress and poplar

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Characterization of new thioacidolysis products of sinapyl aldehyde and coniferyl aldehyde

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Sinapyl alcohol-specific peroxidase isoenzyme catalyzes the formation of the dehydrogenative polymer from sinapyl alcohol

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Distribution of lignin and lignin precursors in differentiating xylem of Japanese cypress and poplar

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