chryseobacterium jejuense chryseobacterium jejuense chryseobacterium jejuense is a bacterium. it is aerobic, gram-negative, non-motile, yellow-pigmented and straight rod-shaped. its type strain is js17-8(t) (=kacc 12501(t)=dsm 19299(t)). chryseobacterium jejuense scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. jejuense binomial name chryseobacterium jejuenseweon et al. 2008