Figure 4From: Strategies of Nitrosomonas europaea 19718 to counter low dissolved oxygen and high nitrite concentrationsProfiles of NH 3 -N, NO 2 --N, and NH 2 OH-N (D1), cell density and sOUR (D2), NO and fraction of NO containing cells (D3) and gene expression (D4) during exponential phase and stationary phase at DO = 1.5 mg/L in the presence of added 280 mg NO 2 --N/L.Back to article page