Studies on the function of proplastids in the metabolism of in vitro-cultured tobacco cells III. Source of reducing power for amino acid synthesis from nitrite
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概要
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Evidence to show the presence of glucose-6-phosphate dehydrogenase, 6-Phosphogluconate dehydrogenase, and NADP-dependent malic enzyme in proplastids of in vitro-cultured tobacco cells was obtained. Amino acid synthesis from nitrite and 2-oxoglutarate in the proplastids was stimulated by addition of 20 mM glucose-6-phosphate. 6-Phosphogluconate, malate, and isocitrate did not affect the synthesis. Nitrite reduction and glutamate synthesis in the proplastids are assumed to be supplied with NADPH_2 as the source of reducing power through the reactions catalyzed by glucose-6-phosphate dehyrdogenase and 6-phosphoglyconate dehydrogenase.
- 日本植物生理学会の論文
著者
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WASHITANI Izumi
Department of Ecosystem Studies, Institute of Agriculture and Life Science, The University of Tokyo
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Washitani Izumi
Department Of Botany Faculty Of Science. Universily Of Tokyo
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Sato Sitiro
Department of Botany, University of Tokyo
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Sato Sitiro
Department Of Botany Faculty Of Science University Of Tokyo
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