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Article

Extracellular superoxide provokes glutathione efflux from Escherichia coli cells.

Research in microbiology - 1 Oct 2015

Smirnova Galina V, Muzyka Nadezda G, Ushakov Vadim Y, Tyulenev Aleksey V, Oktyabrsky Oleg N

Abstract excerpt

The aim of the study was to elucidate a possible relationship between transmembrane cycling of glutathione and changes in levels of external superoxide. Exposure of growing Escherichia coli to exogenous reactive oxygen species (ROS) generated by xanthine and xanthine oxidase (XO) stimulates reversible glutathione (GSH) efflux from the cells that is considerably lowered under phosphate starvation. This GSH efflux...

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PMID: 26257303
DOI: 10.1016/j.resmic.2015.07.007

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