kaistia granuli kaistia granuli kaistia granuli is a gram-negative, chemoorganotrophic, non-spore-forming, rod-shaped and non-motile bacterium from the genus of kaistia which has been isolated from sludge from a wastewater treatment plant in gongju in korea. kaistia granuli scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: kaistiaceae genus: kaistia species: k. granuli binomial name kaistia granulilee et al. 2007 type strain kctc 12575, ko04, lee ko04, lmg 23410