microvirga pakistanensis microvirga pakistanensis microvirga pakistanensis is a gram-negative, non-spore-forming, strictly aerobic and non-motile bacterium from the genus of microvirga which has been isolated from desert soil from cholistan desert in pakistan. microvirga pakistanensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: methylobacteriaceae genus: microvirga species: m. pakistanensis binomial name microvirga pakistanensisamin et al. 2017 type strain cgmcc 1.15074, kctc 42496, nccp-1258