多胺转运及potE在大肠杆菌应对渗透胁迫中的作用
Polyamine transport and role of potE in response to osmotic stress in Escherichia coli.
作者信息
Schiller D, Kruse D, Kneifel H, Krämer R, Burkovski A
机构信息
Institut für Biochemie, Universität Köln, D-50674 Cologne, Germany.
出版信息
J Bacteriol. 2000 Nov;182(21):6247-9. doi: 10.1128/JB.182.21.6247-6249.2000.
Abstract
When transport of polyamines in Escherichia coli was examined, putrescine excretion was observed under two different physiological conditions: (i) strictly correlated to growth and (ii) following a hyperosmotic shock. Spermidine was not excreted. Characterization of a deletion mutant showed that PotE is not involved in these transport processes.
摘要
当对大肠杆菌中多胺的转运进行检测时，在两种不同的生理条件下观察到腐胺的排泄：（i）与生长严格相关；（ii）在高渗休克后。亚精胺未被排泄。一个缺失突变体的特征表明PotE不参与这些转运过程。
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