comamonas badia comamonas badia comamonas badia is a gram-negative, oxidase-positive, catalase-positive, aerobic, rod-shaped, highly motile bacterium with a single polar flagellum from the genus comamonas and family comamonadaceae, which was isolated from activate sludge in japan. comamonas badia scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: comamonas species: c. badia binomial name comamonas badiatago and yokota 2005, sp. nov. type strain iam 14839