Nitrosomonas
A genus of gram-negative, ellipsoidal or rod-shaped bacteria whose major source of energy and reducing power is from the oxidation of ammonia to nitrite. Its species occur in soils, oceans, lakes, rivers, and sewage disposal systems.
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Subheadings:
Tree Number(s): B03.440.400.425.562.500, B03.660.075.550.500
MeSH Unique ID: D009606
Registry Number: txid914