sphingobacterium kitahiroshimense sphingobacterium kitahiroshimense sphingobacterium kitahiroshimense is a gram-negative, exopolysaccharide-degrading, strictly aerobic and chemoheterotrophic bacterium from the genus of sphingobacterium which has been isolated from soil from the city kitahiroshima on japan. sphingobacterium kitahiroshimense scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: sphingobacterium species: s. kitahiroshimense binomial name sphingobacterium kitahiroshimensematsuyama et al. 2008 type strain 10c, jcm 14970, ncimb 14398 synonyms sphingobacterium kitahiroense