brucella inopinata brucella inopinata brucella inopinata is a gram-negative, nonmotile, non-spore-forming coccoid bacterium, first isolated from a breast implant infection site. its type strain is bo1t (=bccn 09-01t =cpam 6436t). it is a potential cause of brucellosis. brucella inopinata scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: brucellaceae genus: brucella species: b. inopinatascholz et al. 2010 binomial name brucella inopinata