Increased Oxidative Stress Tolerance of a Spontaneously Occurring perR Gene Mutation in Streptococcus mutans UA159.

Abstract excerpt

The ability of bacteria, such as the dental pathogen Streptococcus mutans, to coordinate a response against damage-inducing oxidants is a critical aspect of their pathogenicity. The oxidative stress regulator SpxA1 has been demonstrated to be a major player in the ability of S. mutans to withstand both disulfide and peroxide stresses. While studying spontaneously occurring variants of an S. mutans ΔspxA1 strain,...

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