T Residues Preceded by Runs of G Are Hotspots of T→G Mutation in Bacteria.

Abstract excerpt

The rate of mutation varies among positions in a genome. Local sequence context can affect the rate and has different effects on different types of mutation. Here, I report an effect of local context that operates to some extent in all bacteria examined: the rate of T→G mutation is greatly increased by preceding runs of three or more G residues. The strength of the effect increases with the length of the run. In...

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