大肠杆菌同步培养物中细胞壁成分合成的振荡现象。
Oscillations in the synthesis of cell wall components in synchronized cultures of Escherichia coli.
作者信息
Hakenbeck R, Messer W
出版信息
J Bacteriol. 1977 Mar;129(3):1234-8. doi: 10.1128/jb.129.3.1234-1238.1977.
Abstract
The rate of cell wall synthesis with respect to both proteins and lipids was determined in synchronized cultures of Escherichia coli B/r. Whereas the rate of total protein synthesis showed an exponential increase with cell age, the rate of incorporation of proteins and lipids into cell wall had a maximum at a cell age of 30 to 35 min, 15 min before cell division. This oscillation was observed in both the cytoplasmic membrane and in the outer membrane of the cell envelope.
摘要
在大肠杆菌B/r的同步培养物中测定了细胞壁合成相对于蛋白质和脂质的速率。虽然总蛋白质合成速率随细胞年龄呈指数增加，但蛋白质和脂质掺入细胞壁的速率在细胞年龄为30至35分钟时达到最大值，此时距离细胞分裂还有15分钟。在细胞膜和细胞包膜的外膜中均观察到这种振荡。
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