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The gene which encodes the mannitol-specific enzyme III (EIIImtl) of the phosphoenolpyruvate-dependent phosphotransferase system of Staphylococcus carnosus, has been cloned. Genomic libraries of S. carnosus DNA were constructed using the expression vector pUC19 and EIIImtl-producing clones were identified using rabbit polyclonal antiserum. A 700-bp Dde I(More)
Histidine-containing phosphocarrier protein (HPr) is common to all of the phosphoenolpyruvate:sugar phosphotransferase systems (PTS) in Escherichia coli and Salmonella typhimurium, except the fructose-specific PTS. Strains which lack HPr activity (ptsH) have been characterized in the past, and it has proved difficult to delineate between tight and leaky(More)
The plasmid-encoded lactose genes of the Lactococcus lactis phosphotransferase system encoding Enzyme IIIlac (lacF) and Enzyme IIlac (lacE) have been identified and cloned in Escherichia coli and L. lactis. Nucleotide sequence and transcription analysis showed that these genes are organized into a lactose-inducible operon with the gene order(More)
Enzyme IIImtl is part of the mannitol phosphotransferase system of Staphylococcus aureus and Staphylococcus carnosus and is phosphorylated by phosphoenolpyruvate in a reaction sequence requiring enzyme I (phosphoenolpyruvate-protein phosphotransferase) and the histidine-containing protein HPr. In this paper, we report the isolation of IIImtl from both S.(More)
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