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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Flavobacterium columnare
Category: Motile
Etymology: Genus name: A yellow small rod.
species epithet: rising in the form of a pillar, referring to the shape of the aggregates of the bacteria on external lesions of infected fish.
Significance:  [Of minor importance]   
Alternative Species Name(s):Flexibacter columnaris
Taxonomy:
Phylum
Bacteroidetes
Class
Flavobacteriia
Order
Flavobacteriales
Family
Flavobacteriaceae 
Genus
Flavobacterium
Type Strain: 1-S-2cl = ATCC 23463.
Macromorphology (smell):
Micromorphology: Rod shaped bacteria with gliding motility.
Gram +/Gram -:G-
Metabolism: Aerobic
Catalase/Oxidase:+/+
Spec. Char.:
Disease:Columnaris disease
Hosts: Salmonid fishes
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
CP003222 ATCC 49512 3 162 432 1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
D12659 NCIMB 2248T 1 256 

Taxonomy/phylogeny:
 
About 130 species have been described within the genus Flavobacterium. These species are environmental bacteria which are found in soil and freshwater. The genus Flavobacterium is relatively closely related to the genus Riemerella, which also belongs to the family Flavobacteriaceae.
Comment:Cause problems in fish farming.
Updated:2016-03-08

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The revised taxonomy of the mollicutes

The revised taxonomy of mollicutes (mycoplasmas) has now been introduced on VetBact, which means that many of the species have been given new genus names or moved to another higher taxon. 

Published 2021-11-25. Read more...

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