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. 2000 Feb;66(2):493–498. doi: 10.1128/aem.66.2.493-498.2000

FIG. 2.

FIG. 2

Proposed dependence of the denitrification rate of P. aeruginosa on DO concentration for different substrates. In addition to the well-known oxygen repression and inhibition, the denitrification rate is also subject to the limitation of electron donation from O2-requiring hydrocarbon oxidation at very low DO concentrations.