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In Escherichia coli, the transport and phosphorylation of glucose is mainly accomplished by the phosphoenolpyruvate-dependent glucose-specific phosphotransferase system (PTSGlc), which is, therefore, frequently selected as a target for engineering to increase the intracellular level of phosphoenolpyruvate. Here we characterized the effects of a low glucose concentration on the growth, glucose consumption,...
Acetate is an important metabolite in infants as it can affect metabolism as well as immune and inflammatory responses. However, there have been no studies on acetate production by Klebsiella pneumoniae isolated from infant feces. In this study, we isolated a K. pneumoniae strain, L5-2, from infant feces, and we found it produces acetate. The genome of L5-2 consisted of a 5,237,123-bp single chromosome...
Acetate is a potential low-cost carbon source and can be used for microbial production of valuable chemicals in Escherichia coli. In this study, separate and simultaneous inactivation of the ptsG, ptsI, and ptsP genes involved in the phosphoenolpyruvate:carbohydrate phosphotransferase system was performed in E. coli and the effects on cell growth and acetate assimilation were evaluated. The mutant...
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