Fig. 5From: Engineering of Nitrosomonas europaea to express Vitreoscilla hemoglobin enhances oxygen uptake and conversion of ammonia to nitriteAmmonia to nitrite conversion as a function of cell mass (OD600 nm) for growing cultures of N. europaea[pSK2] and untransformed N. europaea. Each point is the average of 10 independent experiments; error bars indicate standard deviations.Back to article page