Influence de l'oxygene sur les transferts d'electrons de la photosynthese. II. Influence de tres faibles concentrations en oxygene sur la reduction du NADP par les chloroplastes isoles期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Influence de l'oxygene sur les transferts d'electrons de la photosynthese. II. Influence de tres faibles concentrations en oxygene sur la reduction du NADP par les chloroplastes isoles

Authors:	Y Mathieu

Institution:	Laboratoire de Physiologie Cellulaire Vegétale, associé au C.N.R.S., Faculté des Sciences, 91 -, Orsay, France

Abstract:	Influence of oxygen on the electron transfers of photosynthesis. II. Influence of very low oxygen concentration on the NADP⁺ reduction by isolated chloroplasts The influence of very low O₂ concentration on the NADP⁺ reduction by isolated spinach chloroplasts has been studied. The results show that in the presence of very low O₂ concentration (< 0.3%) NADP⁺ reduction is partially inhibited. This inhibition may be partially reversed under some conditions, especially when, in spite of the presence of an O₂ trap (glucose plus glucose oxidase (EC 1.1.3.4)) an O₂ evolution is observed.

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