kaistia defluvii kaistia defluvii kaistia defluvii is a gram-negative, aerobic and non-motile bacterium from the genus of kaistia which has been isolated from river sediments from the river geumho in korea. kaistia defluvii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: kaistiaceae genus: kaistia species: k. defluvii binomial name kaistia defluviijin et al. 2012 type strain jcm 18034, kctc 23766, b6-12