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Front Microbiol. 2014 Mar 3;5:70. doi: 10.3389/fmicb.2014.00070. eCollection 2014.

The role of metabolism in bacterial persistence.

Author information

1
Department of Chemical and Biological Engineering, Princeton University Princeton, NJ, USA.
2
Department of Molecular Biology, Princeton University Princeton, NJ, USA ; Rutgers Robert Wood Johnson Medical School, Rutgers University Piscataway, NJ, USA.
3
Department of Chemical and Biological Engineering, Princeton University Princeton, NJ, USA ; Department of Molecular Biology, Princeton University Princeton, NJ, USA.

Abstract

Bacterial persisters are phenotypic variants with extraordinary tolerances toward antibiotics. Persister survival has been attributed to inhibition of essential cell functions during antibiotic stress, followed by reversal of the process and resumption of growth upon removal of the antibiotic. Metabolism plays a critical role in this process, since it participates in the entry, maintenance, and exit from the persister phenotype. Here, we review the experimental evidence that demonstrates the importance of metabolism to persistence, highlight the successes and potential of targeting metabolism in the search for anti-persister therapies, and discuss the current methods and challenges to understand persister physiology.

KEYWORDS:

antibiotic tolerance; bacterial persistence; metabolism; nutrient environment; ppGpp

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