Evolutionary significance of stress-induced mutagenesis in bacteria.

Abstract excerpt

Mutagenesis is often increased in bacterial populations as a consequence of stress-induced genetic pathways. Analysis of the molecular mechanisms involved suggests that mutagenesis might be increased as a by-product of the stress response of the organism. By contrast, computer simulations and analyses of stress-inducible phenotypes among natural isolates of Escherichia coli suggest that stress-induced mutagenesis...

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