Article
Signaling by the arc two-component system provides a link between the redox state of the quinone pool and gene expression.
Antioxidants & redox signaling - 1 Jan 2000
Malpica Roxana, Sandoval Gabriela R Peña, Rodríguez Claudia, Franco Bernardo, Georgellis Dimitris
Abstract excerpt
The Arc two-component system is a complex signal transduction system that plays a key role in regulating energy metabolism at the level of transcription in bacteria. This system comprises the ArcB protein, a tripartite membrane-associated sensor kinase, and the ArcA protein, a typical response regulator. Under anoxic growth conditions, ArcB autophosphorylates and transphosphorylates ArcA, which in turn represses...
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