Article
Quinones as the redox signal for the arc two-component system of bacteria.
Science (New York, N.Y.) - 22 Jun 2001
Georgellis D, Kwon O, Lin E C
Abstract excerpt
The Arc two-component signal transduction system mediates adaptive responses of Escherichia coli to changing respiratory conditions of growth. Under anaerobic conditions, the ArcB sensor kinase autophosphorylates and then transphosphorylates ArcA, a global transcriptional regulator that controls the expression of numerous operons involved in respiratory or fermentative metabolism. We show that oxidized forms of...
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