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Bacterial persistence from a system-level perspective.

Jakub Leszek Radzikowski1, Hannah Schramke1, Matthias Heinemann1

  • 1Molecular Systems Biology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.

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Bacterial persistence, a survival strategy, is better understood through new insights into its triggers and molecular mechanisms. This review integrates these findings, viewing persistence as a metabolic homeostasis response to stress.

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Area of Science:

  • Microbiology
  • Molecular Biology
  • Systems Biology

Background:

  • Recent advances have deepened the understanding of bacterial persistence.
  • Key areas include the persister phenotype, triggers for persistence entry, and molecular mechanisms like toxin-antitoxin systems.

Purpose of the Study:

  • To provide an integrated, system-level perspective on bacterial persistence.
  • To synthesize recent findings on persistence mechanisms and triggers.

Main Methods:

  • This is a review article, synthesizing existing research.
  • Focuses on a system-level analysis of metabolic homeostasis and resource allocation.

Main Results:

  • Bacterial persistence is viewed as a response to metabolic homeostasis perturbation.
  • Environmental triggers and intracellular stochasticity can initiate persistence.
  • Metabolic-flux-regulated resource allocation and feedback mechanisms stabilize persister cells.

Conclusions:

  • A novel, integrated view of bacterial persistence is proposed.
  • Understanding persistence as a regulated metabolic response can advance the field.