Effects of Cysteine on Cellular Activity of Dissimilatory Nitrate Reductase in Pseudomonas denitrificans
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概要
- 論文の詳細を見る
Dissimilatory nitrate reductase activity in Pseudomonas denitrificans grown under denitrifving conditions was markedly decreased upon incubation of the cells with Cys or GSH. The activity of the enzyme was also low in the membrane fraction isolated from the Cys-treated cells, indicating that the decrease in enzyme activity was due to the inactivation of the enzyme. Cys appeared to exert its effect, at least in part, after conversion to GSH as judged by the stimulation of the Cys effect by concomitant addition of Glu, although even a trace of GSH could not be detected in the cells presumably owing to the high activity of GSH consumption. The inactivating effect of Cys on the enzyme was found to compete with the activating effect of Na^+ that had been reported previously, suggesting the presence of a natural mechanism controlling nitrite accumulation in the environment.
- 社団法人日本農芸化学会の論文
- 1992-10-23
著者
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Kato M
Nagoya Univ. Aichi Jpn
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Kato M
Dep. Of Biological Mechanisms And Functions Graduate School Of Bioagricultural Sciences Nagoya Univ.
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Yamaoka Kunio
Department of Chemical and Biological Engineering, Ube Technical College
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Kato Mitsuko
Department of Chemical and Biological Engineering, Ube Technical College
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Kamihara Teijiro
Department of Synthetic Chemistry and Biological Chemistry, Faculty of Engineering, Kyoto University
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KANEYASU Kiro
Department of Chemical and Biological Engineering, Ube Technical College
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Kamihara T
Department Of Synthetic Chemistry And Biological Chemistry Faculty Of Engineering Kyoto University
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Yamaoka K
Osaka Prefecture Univ. Osaka Jpn
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Kaneyasu Kiro
Department Of Chemical And Biological Engineering Ube Technical College
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Kamihara Teijiro
Department Of Industrial Chemistry Faculty Of Engineering Kyoto University
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