CHARACTERIZATION OF CADMIUM-BINDING COMPLEXES FROM THE ROOTS OF CADMIUM-TREATED RICE PLANT
スポンサーリンク
概要
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Cadmium-binding complexes were isolated from the roots of cadmium-treated rice plant. Extractant was chromatographed on a Sephadex G-50 column and the fractions, rich in SH group and cadmium, were purified further by chromatography on DEAE-Sephadex A-25. The resulting complex preparation had an apparent molecular weight of 5,600, contained 44% cysteine and 39% glutamate and lacked in aromatic amino acids. The cadmium: cysteine ratio was 1:2. Spectroscopic measurements indicated the presence of a cadmium-mercaptide bonding. The rice roots produced metallothionein-like substances when they were exposed to cadmium.
- 社団法人日本土壌肥料学会の論文
著者
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Umebayashi Masanao
Faculty of Bioresources, Mie University
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Obata Hitoshi
Faculty Of Agriculture Mie University
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Umebayashi Masanao
Faculty Of Agriculture Mie University
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