phenylobacterium koreense phenylobacterium koreense phenylobacterium koreense is a gram negative, non-spore-forming, rod-shaped and aerobic bacterium from the genus of phenylobacterium which has been isolated from activated sludge from a wastewater treatment plant from daejeon in korea. phenylobacterium koreense scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: caulobacteraceae genus: phenylobacterium species: p. koreense binomial name phenylobacterium koreenseaslam et al. 2005 type strain iam 15119, jcm 21577, kctc 12206, nbrc 102285