diaphorobacter polyhydroxybutyrativorans diaphorobacter polyhydroxybutyrativorans diaphorobacter polyhydroxybutyrativorans is a gram-negative, facultatively aerobic and rod-shaped bacterium from the genus of diaphorobacter which has been isolated from biofilm from a denitrifying reactor in beijing in china. diaphorobacter polyhydroxybutyrativorans has the ability to degrade poly(3-hydroxybutyrate-co-3-hydroxyvalerate). diaphorobacter polyhydroxybutyrativorans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: diaphorobacter species: d. polyhydroxybutyrativorans binomial name diaphorobacter polyhydroxybutyrativoransqiu et al. 2015 type strain accc 19739, dsm 29460, strain sl-205