bartonella tribocorum bartonella tribocorum bartonella tribocorum is a bacterium. as with other bartonella species, it can cause disease in animals. bartonella tribocorum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: bartonellaceae genus: bartonella species: b. tribocorum binomial name bartonella tribocorumheller et al. 1998 this particular species was first isolated from the blood of wild rats. it is distinguished by its trypsin-like activity, the absence of the ability to hydrolyse proline and tributyrin, its 16s rrna and citrate synthase gene sequences. its type strain is ibs 506t(cip 105476t).