afipia broomeae afipia broomeae afipia broomeae is a species of the afipia bacterial genus. it is a gram-negative, oxidase-positive, non-fermentative rod in the alpha-2 subgroup of the class proteobacteria. it is motile by means of a single flagellum. afipia broomeae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: nitrobacteraceae genus: afipia species: afipia broomeaebrenner al. 1991