Article
Gain-of-function mutations cluster in distinct regions associated with the signalling pathway in the PAS domain of the aerotaxis receptor, Aer.
Molecular microbiology - 1 Aug 2010
Campbell Asharie J, Watts Kylie J, Johnson Mark S, Taylor Barry L
Abstract excerpt
The Aer receptor monitors internal energy (redox) levels in Escherichia coli with an FAD-containing PAS domain. Here, we randomly mutagenized the region encoding residues 14-119 of the PAS domain and found 72 aerotaxis-defective mutants, 24 of which were gain-of-function, signal-on mutants. The m...
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