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The phosphorylated proteins of Escherichia coli, radioactively labeled with [32P]orthophosphate, have been analyzed by the O'Farrell gel technique and autoradiography. The effects of various culture conditions on the pattern of protein phosphorylation have been studied, including growth on different carbon sources in either exponential or stationary phase,(More)
1. The effects of infection with the filamentous phage M13 on the phosphorylation of Escherichia coli proteins were studied. Phosphorylated proteins were labeled with [32P]orthophosphate and analyzed by the O'Farrell two-dimensional gel technique and autoradiography. 2. Phage infection was shown to induce significant changes in the pattern of protein(More)
The flow of isocitrate through the glyoxylate bypass in Escherichia coli is regulated via the phosphorylation-dephosphorylation of isocitrate dehydrogenase mediated by a bifunctional enzyme: isocitrate dehydrogenase kinase/phosphatase. The aceK gene coding for this enzyme is part of the polycistronic ace operon, which also includes the aceB and aceA genes(More)
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