sphingobacterium yanglingense sphingobacterium yanglingense sphingobacterium yanglingense is a gram-negative and non-motile bacterium from the genus of sphingobacterium which has been isolated from the root nodule surface of a soybean (glycine max) in yangling in china. sphingobacterium yanglingense scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: sphingobacterium species: s. yanglingense binomial name sphingobacterium yanglingensepeng et al. 2014 type strain accc 19328, jcm 30166, ccnwsp36-1