PMID:9683652
| Citation |
Prüss, BM (1998) Acetyl phosphate and the phosphorylation of OmpR are involved in the regulation of the cell division rate in Escherichia coli. Arch. Microbiol. 170:141-6 |
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| Abstract |
Carbon sources that can be converted to acetate were added to the growth medium of Escherichia coli wild-type cells. Cells responded with an increased cell division rate. The addition of acetate also caused a decreased synthesis of flagella. Mutants in phosphotransacetylase, which are incapable of synthesizing acetyl phosphate, and mutants in the osmoregulator OmpR divided at a lower rate than did wild-type cells. The mutants did not increase their cell division rate upon the addition of serine, as observed for wild-type cells. These data are consistent with the idea that the previously described effect of serine upon the cell division rate is mediated by acetyl phosphate and phosphorylation of OmpR. |
| Links | |
| Keywords |
Acetates/pharmacology; Aspartic Acid/metabolism; Bacterial Proteins/metabolism; Carbon/metabolism; Cell Division/drug effects; Culture Media; Escherichia coli/cytology; Escherichia coli/genetics; Escherichia coli/metabolism; Flagella/drug effects; Flagella/genetics; Flagella/metabolism; Glutamic Acid/metabolism; Models, Biological; Mutation; Organophosphates/metabolism; Phosphate Acetyltransferase/genetics; Phosphate Acetyltransferase/metabolism; Phosphorylation; Serine/metabolism; Signal Transduction; Threonine/metabolism; Trans-Activators/genetics; Trans-Activators/metabolism |
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