Institut für Botanik und Mikrobiologie, Technische Universität, Arcisstraße 21, D-8000, München 2, Federal Republic of Germany.
Planta. 1976 Jan;129(1):69-73. doi: 10.1007/BF00390916.
The permeability of the plastid envelope during the development of Avena sativa plastids was investigated by light scattering and uptake of various labelled compounds (malate, succinate, glutamate, α-ketoglutarate, citrate, glycine, sucrose). The results presented show that a primary event during greening is a change in permeability, thereby allowing an increased transport of metabolites across the membranes of very early etio-chloroplast stages. The results are discussed in view of an adaption of the plastid envelope permeability to the changing requirements of externally synthesized precursors and intermediates during development.
我们通过光散射和各种标记化合物（苹果酸、琥珀酸、谷氨酸、α-酮戊二酸、柠檬酸、甘氨酸、蔗糖）的摄取来研究燕麦质体发育过程中质体膜的通透性。结果表明，在绿化过程中，首先发生的是通透性的变化，从而允许更多的代谢物穿过早期质体前体的膜进行运输。我们根据质体膜通透性在发育过程中对外源合成前体和中间产物需求变化的适应性来讨论这些结果。
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