chryseomicrobium aureum chryseomicrobium aureum chryseomicrobium aureum is a gram-positive, rod-shaped, aerobic non-spore-forming and non-motile bacterium from the genus of chryseomicrobium which has been isolated from activated sludge from a herbicide-manufacturing wastewater treatment plant in kunshan in china. chryseomicrobium aureum scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: planococcaceae genus: chryseomicrobium species: c. aureum binomial name chryseomicrobium aureumdeng et al. 2014 type strain cctcc ab2013082, but-2, kacc 17219