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Hypoionic shock treatment enables aminoglycosides antibiotics to eradicate bacterial persisters
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AbstractBacterial persisters, usually being considered as dormant cells that are tolerant to antibiotics, are an important source for recurrent infection and emergence of antibiotic resistant pathogens. Clinical eradication of pathogenic persisters is highly desired but greatly difficult mainly due to the substantial reduction in antibiotics uptake as well as the non-active state of the drug targets. Here we report that bacterial persisters (normal growing cells as well) can be effectively eradicated by aminoglycoside antibiotics upon hypoionic shock (e.g. pure water treatment) even for less than one minute. Such hypoionic shock potentiation effect on aminoglycosides is proton motive force-independent and is apparently achieved by promoting the entrance of aminoglycosides, speculatively through the mechanosensitive ion channels. Our revelations may provide a simple and powerful strategy to eradicate pathogen persisters.
Title: Hypoionic shock treatment enables aminoglycosides antibiotics to eradicate bacterial persisters
Description:
AbstractBacterial persisters, usually being considered as dormant cells that are tolerant to antibiotics, are an important source for recurrent infection and emergence of antibiotic resistant pathogens.
Clinical eradication of pathogenic persisters is highly desired but greatly difficult mainly due to the substantial reduction in antibiotics uptake as well as the non-active state of the drug targets.
Here we report that bacterial persisters (normal growing cells as well) can be effectively eradicated by aminoglycoside antibiotics upon hypoionic shock (e.
g.
pure water treatment) even for less than one minute.
Such hypoionic shock potentiation effect on aminoglycosides is proton motive force-independent and is apparently achieved by promoting the entrance of aminoglycosides, speculatively through the mechanosensitive ion channels.
Our revelations may provide a simple and powerful strategy to eradicate pathogen persisters.
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