phenylobacterium composti phenylobacterium composti phenylobacterium composti is a gram negative, strictly aerobic and motile bacterium from the genus of phenylobacterium which has been isolated from cotton waste compost from suwon in korea. phenylobacterium composti scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: caulobacterales family: caulobacteraceae genus: phenylobacterium species: p. composti binomial name phenylobacterium compostiweon et al. 2008 type strain 4t-6, cip 110190, dsm 19425, kacc 12597