Proposed model for NO2- respiration and central metabolism in Methylomicrobium album strain BG8. During hypoxia, M. album strain BG8 utilizes electrons from aerobic CH4 oxidation to respire NO2-. Abbreviations: pMMO, particulate methane monooxygenase; mdh, methanol dehydrogenase; Cyt, cytochrome; nor, nitric oxide reductase; nir, nitrite reductase; ndh, NAD(P)H dehydrogenase complex; Q, coenzyme Q; bc1, cytochrome bc1 complex.
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