ottowia thiooxydans ottowia thiooxydans ottowia thiooxydans is a gram-staining, facultatively anaerobic, n2o-producing and non-motile bacterium from the genus ottowia which has been isolated from activated sludge from munich in germany. ottowia thiooxydans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: ottowia species: ottowia thiooxydans binomial name o. thiooxydansspring et al. 2004 type strain dsm 14619, jcm 11629 synonyms ottowia thiooxidans