Alterations in the Biosynthesis of Lignin in Transgenic Plants with Chimeric Genes for 4-Coumarate:Coenzyme A Ligase
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概要
- 論文の詳細を見る
The introduction of chimeric sense and antisense gene constructs for 4-coumarate:coenzyme A ligase into tobacco plants caused the reduction of the 4CL activity in the transgenic plants. In the transgenic plants, the cell walls of the xylem tissue in stems were brown and the molecular structure of lignin in the colored cell walls was dramatically different from that in the control plants. Analysis with different types of stain revealed that levels of cinnamyl aldehyde residues and syringyl units in lignin were depressed in the brownish cell walls. Furthermore, the lignin content in colored tissue was lower than that in the normal tissue. Our results indicate that 4CL has important roles in the deter-mination of the composition and the amount of lignin in tobacco plants.
- 日本植物生理学会の論文
著者
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Katayama Yoshihiro
Bio-appli. And Systems Eng. Tokyo Univ. Of Agr. And Tech.
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Kajita Shinya
Research Center Mitsubishi Paper Mills Ltd.
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Katayama Yoshihiro
Graduate School Of Bio-applications & System Engineering Tokyo University Of Agriculture And Tec
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Omori Shunji
Research Center, Mitsubishi Paper Mills Ltd.
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Omori Shunji
Research Center Mitsubishi Paper Mills Ltd.
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