mesorhizobium camelthorni mesorhizobium camelthorni mesorhizobium camelthorni is a gram-negative aerobic, non-spore-forming, motile bacteria from the genus of mesorhizobium which was isolated from alhagi sparsifolia in alaer in the xinjiang province in china. mesorhizobium camelthorni scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: phyllobacteriaceae genus: mesorhizobium species: m. camelthorni binomial name mesorhizobium camelthorninandchen et al. 2011 type strain accc 14549, ccnwxj 40-4, hambi 3020