Microbial phenotypic heterogeneity and antibiotic tolerance.

Abstract excerpt

Phenotypic heterogeneity, defined as metastable variation in cellular parameters generated by epigenetic mechanisms, is crucial for the persistence of bacterial populations under fluctuating selective pressures. Diversity ensures that some individuals will survive a potentially lethal stress, such as an antibiotic, that would otherwise obliterate the entire population. The refractoriness of bacterial infections...

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