Oxygen consumption (a), glucose consumption (b), growth (c), and acetaldehyde production (d) of V5noxE during batch cultivation under anaerobic conditions (▵) and microaerobic conditions at OTRs of 20 mg/liter/h (•), 14 mg/liter/h (▪), 11 mg/liter/h (▴), 9 mg/liter/h (○), and 5 mg/liter/h (□).