来自二球悬铃木细胞液泡中异常蛋白质的快速降解
Rapid Degradation of Abnormal Proteins in Vacuoles from Acer pseudoplatanus L. Cells.
作者信息
Canut H, Alibert G, Carrasco A, Boudet A M
机构信息
Centre de Physiologie Végétale de l'Université Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse Cedex.
出版信息
Plant Physiol. 1986 Jun;81(2):460-3. doi: 10.1104/pp.81.2.460.
Abstract
In Acer pseudoplatanus cells, the proteins synthesized in the presence of an amino acid analog ([(14)C]p-fluorophenylalanine), were degraded more rapidly than normal ones ([(14)C]phenylalanine as precursor). The degradation of an important part of these abnormal proteins occurred inside the vacuoles. The degradation process was not apparently associated to a specific proteolytic system but was related to a preferential transfer of these aberrant proteins from the cytoplasm to the vacuole.
摘要
在悬铃木细胞中，在氨基酸类似物（[¹⁴C]对氟苯丙氨酸）存在下合成的蛋白质，其降解速度比正常蛋白质（以[¹⁴C]苯丙氨酸为前体）更快。这些异常蛋白质的一大部分在液泡内发生降解。降解过程显然与特定的蛋白水解系统无关，而是与这些异常蛋白质从细胞质向液泡的优先转运有关。
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