brassicibacter mesophilus brassicibacter mesophilus brassicibacter mesophilus is a gram-negative, mesophilic, strictly anaerobic, non-spore-forming and motile bacterium from the genus of brassicibacter which has been isolated from food industry wastewater. brassicibacter mesophilus scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: clostridiaceae genus: brassicibacter species: b. mesophilus binomial name brassicibacter mesophilusfang et al. 2012 type strain bm