methylobacterium brachiatum methylobacterium brachiatum methylobacterium brachiatum is a gram-negative, strictly aerobic, facultatively methylotrophic and non-spore-forming bacteria from the genus of methylobacterium which has been isolated from water from food processing factories in japan. methylobacterium brachiatum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: methylobacterium species: m. brachiatum binomial name methylobacterium brachiatumkato et al. 2008 type strain b0021, dsm 19569, nbrc 103629, ncimb 14379