Caenispirillum bisanense is a Gram-negative, helical-shaped, non-spore-forming and motile bacterium from the genus of Caenispirillum which has been isolated from dye works sludge from Korea. References External links Type strain of Caenispirillum bisanense at BacDive - the Bacterial Diversity Metadatabase Rhodospirillales Bacteria described in 2007