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大肠杆菌在严谨型和松弛型控制期间多胺和链霉素转运的调控

Regulation of polyamine and streptomycin transport during stringent and relaxed control in Escherichia coli.

作者信息

Höltje J V

出版信息

J Bacteriol. 1979 Jan;137(1):661-3. doi: 10.1128/jb.137.1.661-663.1979.

Abstract

Inhibition of polyamine uptake was observed during amino acid depletion in a stringent strain of Escherichia coli CP78 but not in a relaxed strain (CP79). Chloramphenicol was shown partially to relieve the inhibition of uptake. Stringent cells which were induced for a transport system common to both polyamines and streptomycin were found to restrict the uptake of spermidine as well as streptomycin.

摘要

在大肠杆菌CP78的严格菌株中,氨基酸耗尽期间观察到多胺摄取受到抑制,但在松弛菌株(CP79)中未观察到这种情况。氯霉素被证明可部分缓解摄取抑制。诱导产生多胺和链霉素共有的转运系统的严格细胞被发现会限制亚精胺以及链霉素的摄取。

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