gemmobacter nanjingensis gemmobacter nanjingensis gemmobacter nanjingensis is a gram-negative, non-spore-forming, facultatively anaerobic, propanil-degrading and rod-shaped bacterium from the genus of gemmobacter which has been isolated from activated sludge. gemmobacter nanjingensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: gemmobacter species: g. nanjingensis binomial name gemmobacter nanjingensis(zhang et al. 2012) chen et al. 2013 type strain cctcc ab 2010218, y12 synonyms catellibacterium nanjingense, catellibacterium nanjingensis