microvirga guangxiensis microvirga guangxiensis microvirga guangxiensis is a gram-negative, rod-shaped, strictly aerobic, non-spore-forming and non-motile bacteria from the genus of microvirga which has been isolated from soil from a rice field in the guangxi province in china. microvirga guangxiensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: microvirga species: m. guangxiensis binomial name microvirga guangxiensiszhang et al. 2009 type strain cgmcc 1.7666, jcm 15710, 25b