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Order of bacteria From Wikipedia, the free encyclopedia
The Nitrosomonadales[1] are an order of the class Betaproteobacteria in the phylum Pseudomonadota.[3] Like all members of their class, they are Gram-negative.
| Nitrosomonadales | |
|---|---|
| |
| Spirillum | |
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Pseudomonadota |
| Class: | Betaproteobacteria |
| Order: | Nitrosomonadales Garrity et al. 2006 |
| Families[1][2] | |
| |
The order is divided into six families:
Members of the genus Nitrosomonas oxidize ammonium ions into nitrite,[3] a process called nitrification, and are important in the nitrogen cycle. Other autotrophic genera such as Thiobacillus and Annwoodia oxidize reduced inorganic sulfur ions such as thiosulfate and sulfide into sulfate and have key roles in the sulfur cycle. Methylotrophs such as Methylophilus oxidize compounds such as methanol into carbon dioxide and are key to the carbon cycle. Gallionella and Ferriphaselus oxidise ferrous iron (Fe2+) ions into ferric hydroxide (Fe(OH)3) during autotrophic growth, and thus have roles in the carbon cycle and the iron cycle. As such, the Nitrosomonadales are critical to biogeochemical cycling of the elements and many species have key roles in principal biochemical processes.[1]
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