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Coniferyl aldehyde 5-hydroxylation and methylation direct syringyl lignin biosynthesis in angiosperms.
A central question in lignin biosynthesis is how guaiacyl intermediates are hydroxylated and methylated to the syringyl monolignol in angiosperms. To address this question, we cloned cDNAs encoding aExpand
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5-Hydroxyconiferyl Aldehyde Modulates Enzymatic Methylation for Syringyl Monolignol Formation, a New View of Monolignol Biosynthesis in Angiosperms*
S-Adenosyl-l-methionine-dependent caffeate O-methyltransferase (COMT, EC has traditionally been thought to catalyze the methylation of caffeate and 5- hydroxyferulate for the biosynthesis ofExpand
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A rice fungal MAMP-responsive MAPK cascade regulates metabolic flow to antimicrobial metabolite synthesis
Plants recognize potential microbial pathogens through microbial-associated molecular patterns (MAMPs) and activate a series of defense responses, including cell death and the production of reactiveExpand
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Cinnamoyl-CoA reductase, a key enzyme in lignin biosynthesis, is an effector of small GTPase Rac in defense signaling in rice.
OsRac1, one of the Rac/Rop family of small GTPases, plays important roles in defense responses, including a role in the production of reactive oxygen species mediated by NADPH oxidase. We haveExpand
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Diversity in lignan biosynthesis
AbstractLignans are phenylpropanoid dimers, where the phenylpropane units are linked by the central carbon (C8) of their side chains. Ligans vary substantially in oxidation level, substitutionExpand
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Characterization of Arabidopsis thaliana Pinoresinol Reductase, a New Type of Enzyme Involved in Lignan Biosynthesis*
A lignan, lariciresinol, was isolated from Arabidopsis thaliana, the most widely used model plant in plant bioscience sectors, for the first time. In the A. thaliana genome database, there are twoExpand
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Progress of lignification mediated by intercellular transportation of monolignols during tracheary element differentiation of isolated Zinnia mesophyll cells.
Tracheary element (TE) differentiation is a typical example of programmed cell death (PCD) in higher plants, and maturation of TEs is completed by degradation of all cell contents. However,Expand
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Degradation mechanisms of phenolic beta-1 lignin substructure model compounds by laccase of Coriolus versicolor.
Phenolic beta-1 lignin substructure model compounds, 1-(3,5-dimethoxy-4-hydroxy-phenyl)-2-(3,5-dimethoxy-4-ethoxyphenyl)propa ne-1, 3-diol (I) and 1-(3,5-dimethoxy-4-ethoxyphenyl)-2-(3,Expand
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The expression of a rice secondary wall-specific cellulose synthase gene, OsCesA7, is directly regulated by a rice transcription factor, OsMYB58/63
AbstractMain conclusionA rice MYB transcription factor, OsMYB58/63, was found to directly upregulate the expression of a rice secondary wall-specific cellulose synthase gene,cellulose synthaseExpand
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Synthesis of Four Diastereomeric Lignin Carbohydrate Complexes (LCC) Model Compounds Composed of a ß-O-4 Lignin Model Linked to Methyl ß-D-Glucoside
A new method for the synthesis of four diastereomeric lignin carbohydrate complexes (LCC) model compounds composed of a β-O-4 lignin model linked to methyl β-D-glucoside is reported. Each of theExpand
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