(Bernardet and Grimont 1989) Bernardet et al. 1996
The species was first described by Davis (1922), and the name was validated by Bernardet and Grimont (1989).
F. columnare can be identified in the laboratory by a five-step method that demonstrates:
- the ability to grow on a medium containing neomycin and polymyxin B
- production of yellow pigmented rhizoid (root-like in appearance) colonies
- production of a gelatin-degrading enzyme
- binding of Congo red dye to the colony
- production of a chondroitin sulfate-degrading enzyme
The species has been known previously as Flexibacter columnaris, Bacillus columnaris, and Cytophaga columnaris.
F. columnare is one of the oldest known diseases among warm-water fish, and manifests itself as an infection commonly known as columnaris. Infections are the second leading cause of mortality in pond raised catfish in the southeastern United States.
- Parte, A.C. "Flavobacterium". www.bacterio.net.
- Declercq, Annelies Maria; Haesebrouck, Freddy; Van Den Broeck, Wim; Bossier, Peter; Decostere, Annemie (2013). "Columnaris disease in fish: A review with emphasis on bacterium-host interactions". Veterinary Research. 44: 27. doi:10.1186/1297-9716-44-27. PMC 3648355. PMID 23617544.
- Bertolini, J. M.; Rohovec, J.S. (1992). "Electrophoretic detection of proteases from different Flexibacter columnaris strains and assessment of their variability". Diseases of Aquatic Organisms. 12: 121–128. doi:10.3354/dao012121.
- Durborrow, RM; Thune, RL; Hawke, JP; Camus, AC (1988). "Columnaris Disease - A Bacterial Infection Caused by Flavobacterium columnare" (PDF). SRAC Publication (479). Retrieved 10 July 2016.
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