Cytochrome c peroxidase facilitates the beneficial use of H2O2 in prokaryotes [Microbiology]

A new exciting study reports the discovery of a beneficial function of H2O2 in bacteria (1). Khademian and Imlay show that Escherichia coli can use cytochrome c peroxidase (Ccp) as a respiratory enzyme, wherein H2O2 acts as an electron acceptor under anoxic conditions (Fig. 1A). This finding may impact our...

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