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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
Bacteroidota
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:2023-03-15

News

New names of bacterial phyla

The taxonomic category phylum was previously not regulated by the International Code of Nomenclature of Prokaryotes (ICNP), but now this has changed and it was decided to revise the names of bacterial phyla. All phyla must be written in italics (which has been done on VetBact also before) and have the ending -ota.

Published 2023-03-01. Read more...
The taxonomy of chlamydias

Species within the family Chlamydiaceae were previously divided into two genera Chlamydia and Chlamydophila. However, the differences between these two genera were not that great and many research groups have not accepted this division. Therefore, the genus Chlamydophila has been returned to the genus Chlamydia and this change has now been incorporated in VetBact

Published 2023-03-15. Read more...

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