Nitrosomonas ureae is an ammonia-oxidizing, aerobe, gram-negative bacterium from the genus of Nitrosomonas.George M. Garrity: Bergey’s manual of systematic bacteriology. 2. Auflage. Springer, New York 2005, Vol. 2: The Proteobacteria Part C: The Alpha-, Beta-, Delta-, and Epsilonproteabacteria, UniProt

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