Multidrug Tolerance - Molecular Mechanisms

Molecular Mechanisms

The molecular mechanisms that underlie persister cell formation and multidrug tolerance are largely unknown. Persister cells are thought to arise spontaneously in a growing microbial population by a stochastic genetic switch, although inducible mechanisms of persister cell formation have been described. Owing to their transient nature and relatively low abundance, it is hard to isolate persister cells in sufficient numbers for experimental characterization, and only a few relevant genes have been identified to date. The best-understood persistence factor is the E. coli high persistence gene, commonly abbreviated as hipA.

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