Tentoxin Inhibits Both Photophosphorylation in Thylakoids and the ATPase Activity of Isolated Coupling Factor F_1 from the Cyanobacterium Anacystis nidulans
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概要
- 論文の詳細を見る
Tentoxin strongly inhibited the ATPase activity of isolated coupling factor I (AF_1) from the cyanobacterium Anacystis nidulans, with 50% inhibition occurring at 0.3 μM. When thylakoids from A. nidulans were preincubated with 0.3 μM tentoxin for 30 min, photophosphorylation was inhibited by 50%. Measurements of fluorescence from 9-aminoacridine indicated that tentoxin inhibited the utilization of the proton gradient by ATP formation in thylakoids. These results indicate that tentoxin is a strong energy-transfer inhibitor of photophosphorylation in A. nidulans. Tentoxin decreased the level of ATP in intact cells both in the light and in darkness, its effects being much stronger in the dark. Tentoxin at 50μM strongly inhibited the growth of the cells.
- 日本植物生理学会の論文
著者
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Yoshioka Tatsuya
Department of Cardiovascular Surgery, Tenri Hospital
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Ohta Yoshinori
Department Of Bioscience And Bioinformatics Faculty Of Computer Science And Systems Engineering Kyus
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Ohta Yoshinori
Department Of Biology School Of Education Waseda University:(present)corporate Research And Developm
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Hisabori Toru
Department Of Biology Yokohama City University
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Hisabori Toru
Department Of Biology School Of Education Waseda
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Sakurai Hidehiro
Department of Biology, School of Education, Waseda University
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Mochimaru Mari
Natural Science Faculty Komazawa University
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Mochimaru Mari
Department Of Biology School Of Education Waseda University
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Sakurai Hidehiro
Department Of Applied Chemistry Graduate School Of Engineering Osaka University
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Yoshioka Tatsuya
Department Of Cardiovascular Surgery Tenri Hospital
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Yoshioka T
Laboratory Of Bio-adaptation Graduate School Of Agricultural Sciences Tohoku University
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Sakurai Hidehiro
Department Of Applied Chemistry Faculty Of Engineering Osaka University
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