Boron Nutrition of Cultured Tobacco BY-2 Cells.II.Characterization of the Boron-Polysaccharide Complex
スポンサーリンク
概要
- 論文の詳細を見る
In cultured tobacco BY-2 cells, more than 90% of the cellular boron (B) occurs in the cell wall and a negligible amount of B is detected in the membrane fraction. Nearly 80% of the cell wall B binds to rhamnogalacturonan II (RG-II) to form a borate-dimeric RG-II complex. Monomeric RG-II is not detected in the cell wall, but it is detected in the extracellular polysaccharides. The complex is reconstituted spontaneously in vitro simply by mixing monolneric RG-II and boric acid at pH 4. Germanic acid, which partially substitutes for B in the growth of the B-deprived plants, also induces dimerization of RG-II. These results suggests that B may fulfill its essential function as forming the B-RG-II complex in cell walls.
- 日本植物生理学会の論文
著者
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間藤 徹
京都大学大学院農学研究科
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KOBAYASHI Masaru
Plant Nutrition, Applied Life Sciences, Graduate School of Agriculture, Kyoto University
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MATOH Toru
Plant Nutrition, Applied Life Sciences, Graduate School of Agriculture, Kyoto University
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Ohno Kaori
Plant Nutrition Laboratory Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto Univers
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Kobayashi Masatomo
The Inst. Of Phys. And Chem. Res.
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Matoh Toru
Plant Nutrition Applied Life Sciences Graduate School Of Agriculture Kyoto University
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Katsumi M
The Inst. Of Phys. And Chem. Res.
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Kawaguchi Masayoshi
Dept. Life Sciences Tokyo Univ.
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Kobayashi M
Laboratory Of Plant Nutrition Division Of Applied Life Sciences Graduate School Of Agriculture Kyoto
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Kobayashi Masaru
Plant Nutrition Laboratory Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto Univers
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