roseateles depolymerans roseateles depolymerans roseateles depolymerans is an aerobic photosynthetic bacterium from the genus roseateles, which was isolated from river water (hanamuro river, tsukuba, japan). roseateles depolymerans scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: comamonadaceae genus: roseateles species: r. depolymerans binomial name roseateles depolymeranssuyama et al. 1999 type strain ccug 48747, ccug 52219, dsm 11813, ncimb 13588 r. depolymerans is a bacteriochlorophyll a-containing obligate aerobe in the β-subclass of the proteobacteria. the cells are motile, straight rods, and they contain poly-β-hydroxybutyrate granules. r. depolymerans is characterised by the ability to biodegrade the material poly(hexamethylene carbonate) (phc), and some other biodegradable plastics.