Wildner G F, Larsson C
Lehrstuhl für Biochemie der Pflanzen, Abteilung Biologie, Ruhr-Universität Bochum, West Germany.
Plant Physiol. 1979 May;63(5):887-91. doi: 10.1104/pp.63.5.887.
Glycidate (2,3-epoxypropionate) stimulated CO(2) fixation in isolated spinach chloroplasts up to 100%. In the presence of glycidate the initial lag phase was abolished and the chloroplasts exported mainly 3-phosphoglycerate instead of dihydroxyacetone phosphate.Glycolate formation was not inhibited by glycidate, which is in agreement with the observation that preactivated ribulose-1,5-bisphosphate oxygenase is not inhibited by this compound. Furthermore, glycidate had no effect on electron transport (NADP reduction) and photophosphorylation, nor was a change in the coupling ratio observed.
缩水甘油酸(2,3-环氧丙酸)可使离体菠菜叶绿体中的二氧化碳固定率提高达100%。在缩水甘油酸存在的情况下,初始延迟期消失,叶绿体主要输出3-磷酸甘油酸而非磷酸二羟丙酮。缩水甘油酸并不抑制乙醇酸的形成,这与预激活的核酮糖-1,5-二磷酸加氧酶不受该化合物抑制的观察结果一致。此外,缩水甘油酸对电子传递(NADP还原)和光合磷酸化没有影响,也未观察到偶联率的变化。