Article
Hydrogen peroxide resistance of Acetobacter pasteurianus NBRC3283 and its relationship to acetic acid fermentation.
Bioscience, biotechnology, and biochemistry - 1 Oct 2008
Okamoto-Kainuma Akiko, Ehata Yasunori, Ikeda Manami, Osono Takemasa, Ishikawa Morio, Kaga Takayuki, Koizumi Yukimichi
Abstract excerpt
The bacterium Acetobacter pasteurianus can ferment acetic acid, a process that proceeds at the risk of oxidative stress. To understand the stress response, we investigated catalase and OxyR in A. pasteurianus NBRC3283. This strain expresses only a KatE homolog as catalase, which is monofunctional and growth dependent. Disruption of the oxyR gene increased KatE activity, but both the katE and oxyR mutant strains...
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