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大戟阁锦代谢物水平的变化及其在景天酸代谢中苹果酸积累的调控。

Changes in Metabolite Levels in Kalanchoë daigremontiana and the Regulation of Malic Acid Accumulation in Crassulacean Acid Metabolism.

机构信息

Botanical Laboratories, University of Leicester, Leicester LE1 7RH England.

出版信息

Plant Physiol. 1977 Mar;59(3):455-8. doi: 10.1104/pp.59.3.455.

Abstract

Changes in glucose-6-P, fructose-6-P, fructose-1,6-diP, 6-phospho-gluconate, phosphoenolpyruvate, 3-phosphoglycerate, and pyruvate levels in the leaves of the Crassulacean plant Kalanchoë daigremontiana Hammet et Perrier were measured enzymically during transitions from CO(2)-free air to air, air to CO(2)-free air, and throughout the course of acid accumulation in darkness. The data are discussed in terms of the involvement of phosphoenolpyruvate carboxylase in malic acid synthesis and in terms of the regulation of the commencement of malic acid synthesis and accumulation through the effects of CO(2) on storage carbohydrate mobilization and its termination through the effects of malic acid on phosphoenolpyruvate carboxylase activity.

摘要

景天酸代谢植物大银叶菊叶片在从无 CO2 空气到空气、空气到无 CO2 空气的转变过程中和在暗中酸积累过程中,其叶内的葡萄糖-6-P、果糖-6-P、果糖-1,6-二磷酸、6-磷酸葡萄糖酸、磷酸烯醇丙酮酸、3-磷酸甘油酸和丙酮酸的水平通过酶法进行了测量。这些数据从磷酸烯醇丙酮酸羧化酶参与苹果酸合成的角度以及从 CO2 通过影响贮藏碳水化合物动员从而启动和终止苹果酸合成和积累的角度进行了讨论,而苹果酸则通过对磷酸烯醇丙酮酸羧化酶活性的影响来实现这一点。

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'Compartmentation' of acids in plant tissues.植物组织中酸的“区室化”
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