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| Karnholz, A; Küsel, K; Gößner, A; Schramm, A; Drake, HL: Tolerance and Metabolic Response of Acetogenic Bacteria toward Oxygen, Applied and Environmental Microbiology, 68, 1005-1009 (2002) | |
Abstract:
The acetogens Sporomusa silvacetica, Moorella thermoacetica, Clostridium magnum, Acetobacterium woodii, and Thermoanaerobacter kivui (i) grew in both semisolid and liquid cultivation media containing O2 and (ii) consumed small amounts of O2. Low concentrations of O2 caused a lag phase in growth but did not alter the ability of these acetogens to synthesize acetate via the acetyl coenzyme A pathway. Cell extracts of S. silvacetica, M. thermoacetica, and C. magnum contained peroxidase and NADH oxidase activities; catalase and superoxide dismutase activities were not detected. |
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