tistrella tistrella tistrella is a bacterial genus from the family of rhodospirillaceae. tistrella produces didemnins. tistrella scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: geminicoccaceae genus: tistrellashi et al. 2003 type species tistrella mobilis species t. bauzanensis t. mobilis