castellaniella fermenti castellaniella fermenti castellaniella fermenti is a gram-negative and aerobic bacterium from the genus castellaniella which has been isolated from fermented food from taiwan. castellaniella fermenti scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: alcaligenaceae genus: castellaniella species: c. fermenti binomial name castellaniella fermentilin et al. 2018 type strain bcrc 81023, jcm 31755, cc-yth191