undibacterium jejuense undibacterium jejuense undibacterium jejuense is a gram-negative, aerobic and motile bacterium from the genus of undibacterium, which has been isolated from forest soil from the jeju island and water from the seoho lake in korea. undibacterium jejuense scientific classification domain: bacteria phylum: pseudomonadota class: betaproteobacteria order: burkholderiales family: oxalobacteraceae genus: undibacterium species: u. jejuense binomial name undibacterium jejuensekim et al. 2014 type strain kacc 12607, nbrc 108922, js04-04