Roles of respiratory oxidases in protecting Escherichia coli K12 from oxidative stress


Isogenic strains of Escherichia coli that were defective in either of the two major aerobic terminal respiratory oxidases (cytochromes bo′ and bd) or in the putative third oxidase (cytochrome bd-II) were studied to elucidate role(s) for oxidases in protecting cells from oxidative stress in the form of H2O2 and paraquat. Exponential phase cultures of all… (More)
DOI: 10.1023/A:1002779201379


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