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Article
Metabolomic analysis of rice brittle culm mutants reveals each mutant- specific metabolic pattern in each organ
Plant cell walls play an important role in providing physical strength and defence against abiotic stress. Rice brittle culm (bc) mutants are a strength-decreased mutant because of abnormal cell walls, and it has...
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Article
Open AccessWolfberry genomes and the evolution of Lycium (Solanaceae)
Wolfberry Lycium, an economically important genus of the Solanaceae family, contains approximately 80 species and shows a fragmented distribution pattern among the Northern and Southern Hemispheres. Although seve...
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Article
Degradative enzymes for type II arabinogalactan side chains in Bifidobacterium longum subsp. longum
Type II arabinogalactan (AG) is a soluble prebiotic fiber stimulating the proliferation of bifidobacteria in the human gut. Larch AG, which is comprised of type II AG, is known to be utilized as an energy sour...
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Article
Open AccessCorrection to: Metabolism of l-arabinose in plants
The article “Metabolism of l-arabinose in plants”, written by “Toshihisa Kotake, Yukiko Yamanashi, Chiemi Imaizumi, Yoichi Tsumuraya”, was originally published Online First without open access. After publication ...
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Article
Screening of rice mutants with improved saccharification efficiency results in the identification of CONSTITUTIVE PHOTOMORPHOGENIC 1 and GOLD HULL AND INTERNODE 1
The screening of rice mutants with improved cellulose to glucose saccharification efficiency (SE) identifies reduced xylan and/or ferulic acid, and a qualitative change of lignin to impact SE. ...
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Article
Open AccessMetabolism of l-arabinose in plants
l-Arabinose (l-Ara) is a plant-specific sugar accounting for 5–10 % of cell wall saccharides in Arabidopsis (Arabidopsis thaliana) and rice (Oryza sativa). l-Ara occurs in pectic arabinan, rhamno...
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Article
Open AccessBiosynthesis of the carbohydrate moieties of arabinogalactan proteins by membrane-bound β-glucuronosyltransferases from radish primary roots
A membrane fraction from etiolated 6-day-old primary radish roots (Raphanus sativus L. var hortensis) contained β-glucuronosyltransferases (GlcATs) involved in the synthesis of the carbohydrate moieties of arabin...
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Article
The role of extracellular polysaccharides produced by the terrestrial cyanobacterium Nostoc sp. strain HK-01 in NaCl tolerance
The terrestrial cyanobacterium Nostoc sp. HK-01 was more tolerant to NaCl stress than the aquatic cyanobacterium Anabaena sp. PCC 7120 (also called Nostoc sp. PCC 7120) which is similar to Nostoc sp. HK-01 in phy...
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Article
Changes in the transcript levels of microtubule-associated protein MAP65-1 during reorientation of cortical microtubules in azuki bean epicotyls
The relation between orientation of cortical microtubules and the transcript levels of a 65 kDa microtubule-associated protein (VaMAP65-1) was investigated along epicotyls of azuki bean (Vigna angularis) seedling...
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Article
Rice BRITTLE CULM 3 (BC3) encodes a classical dynamin OsDRP2B essential for proper secondary cell wall synthesis
“Brittle culm” mutants found in Gramineae crops are suitable materials to study the mechanism of secondary cell wall formation. Through positional cloning, we have identified a gene responsible for the brittle...
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Article
Gummosis in grape hyacinth (Muscari armeniacum) bulbs: hormonal regulation and chemical composition of gums
The purpose of this study was to investigate the hormonal regulation of gummosis in grape hyacinth (Muscari armeniacum) bulbs, focusing especially on the chemical composition of the gums. The application of ethep...
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Article
Transient increase in the transcript levels of γ-tubulin complex genes during reorientation of cortical microtubules by gravity in azuki bean (Vigna angularis) epicotyls
By hypergravity treatment, the percentage of cells with transverse microtubules was decreased, while that with longitudinal microtubules was increased in azuki bean (Vigna angularis) epicotyls. The expression of ...
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Article
Chain elongation of pectic β-(1→4)-galactan by a partially purified galactosyltransferase from soybean (Glycine max Merr.) hypocotyls
Pectin is one of the major cell wall polysaccharides found in dicotyledonous plants. We have solubilized and partially purified a β-(1→4)-galactosyltransferase (GalT) involved in the synthesis of the β-(1→4)-g...
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Article
Biosynthesis of pectic galactan by membrane-bound galactosyltransferase from soybean (Glycine max Merr.) seedlings
We investigated the properties of a galactosyltransferase (GalT) that is involved in the synthesis of β-(1→4)-galactan side chains of pectins. A membrane preparation of etiolated 6-day-old soybean (Glycine max Me...
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Article
Characterization and function of wall-bound exo-β-glucanases of Lilium longiflorum pollen tubes
Two exo-β-glucanases (LP-ExoI, 83 kDa and LP-ExoII, 71 kDa) were extracted and partially purified from the cell wall of Lilium longiflorum pollen tubes. Both LP-ExoI and LP-ExoII hydrolyzed laminarin (1,3-β-gluca...