Suppr超能文献

磷酸烯醇式丙酮酸:葡萄糖磷酸转移酶系统缺陷的3-脱氧-3-氟-D-葡萄糖抗性鼠伤寒沙门氏菌突变体

3-Deoxy-3-fluoro-D-glucose-resistant Salmonella typhimurium mutants defective in the phosphoenolpyruvate:glycose phosphotransferase system.

作者信息

Melton T, Kundig W, Hartman P E, Meadow N

出版信息

J Bacteriol. 1976 Dec;128(3):794-800. doi: 10.1128/jb.128.3.794-800.1976.

Abstract

Three classes of phosphotransferase system mutants in Salmonella typhimurium were selected through their resistance to 3-deoxy-3-fluoro-D-glucose (DFG). Strains with mutations in the ptsH (HPr) and/or pts I (enzyme I) genes were selected on medium containing lactate plus DFG. Strains with mutations in ptsH but not pstI were selected on medium containing fructose plus DFG. Clones isolated from fructose plus DFG semisolid plates and selected for ability to swarm were mutant in either ptsH or ptsG. Mutants of the latter class were defective in enzyme IIB', a membrane component of the glucose transport system. Some pleiotropic properties of one representative ptsG mutant are described.

摘要

通过对鼠伤寒沙门氏菌的磷酸转移酶系统突变体进行对3-脱氧-3-氟-D-葡萄糖(DFG)的抗性筛选,选出了三类突变体。ptsH(HPr)和/或ptsI(酶I)基因发生突变的菌株是在含有乳酸盐加DFG的培养基上筛选出来的。ptsH发生突变但pstI未突变的菌株是在含有果糖加DFG的培养基上筛选出来的。从果糖加DFG半固体平板上分离并选择具有群体运动能力的克隆,其ptsH或ptsG发生了突变。后一类突变体在酶IIB'(葡萄糖转运系统的膜成分)中存在缺陷。描述了一个代表性ptsG突变体的一些多效性特征。

相似文献

引用本文的文献

6
Linkage map of Salmonella typhimurium, edition V.鼠伤寒沙门氏菌连锁图谱,第五版
Microbiol Rev. 1978 Jun;42(2):471-519. doi: 10.1128/mr.42.2.471-519.1978.

本文引用的文献

1
Genetic control of glucose uptake by Escherichia coli.大肠杆菌对葡萄糖摄取的遗传控制。
FEBS Lett. 1972 Feb 15;20(3):270-272. doi: 10.1016/0014-5793(72)80084-x.
5
A sodium-dependent sugar co-transport system in bacteria.细菌中的一种钠依赖性糖共转运系统。
Biochem Biophys Res Commun. 1971 Jul 2;44(1):132-8. doi: 10.1016/s0006-291x(71)80168-7.

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验