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Signaling-mediated bacterial persister formation.


ABSTRACT: Here we show that bacterial communication through indole signaling induces persistence, a phenomenon in which a subset of an isogenic bacterial population tolerates antibiotic treatment. We monitor indole-induced persister formation using microfluidics and identify the role of oxidative-stress and phage-shock pathways in this phenomenon. We propose a model in which indole signaling 'inoculates' a bacterial subpopulation against antibiotics by activating stress responses, leading to persister formation.

SUBMITTER: Vega NM 

PROVIDER: S-EPMC3329571 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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Signaling-mediated bacterial persister formation.

Vega Nicole M NM   Allison Kyle R KR   Khalil Ahmad S AS   Collins James J JJ  

Nature chemical biology 20120318 5


Here we show that bacterial communication through indole signaling induces persistence, a phenomenon in which a subset of an isogenic bacterial population tolerates antibiotic treatment. We monitor indole-induced persister formation using microfluidics and identify the role of oxidative-stress and phage-shock pathways in this phenomenon. We propose a model in which indole signaling 'inoculates' a bacterial subpopulation against antibiotics by activating stress responses, leading to persister for  ...[more]

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