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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Francisella noatunensis subsp. noatunensis
Etymology: Genus name: named after the American bacteriologist Edward Francis, who has studied tularemia.
Species epithet: belongs to the coast/sea.
Significance:The bacterium is causing a growing problem in countries where the cultivation of cod, for example Norway, is common. The bacterium has also been isolated from wild cod caught in Swedish waters.
  [Of minor importance]   
Alternative Species Name(s):Francisella piscicida, Francisella philomiragia subsp. noatunensis
Taxonomy:
Phylum
Proteobacteria
Class
Gammaproteobacteria
Order
Thiotrichales
Family
Francisellaceae 
Genus
Francisella
Type Strain: 2005/50/F292-6C
Macromorphology (smell):
   
Micromorphology: Coccoid or short nonmotile rods.
Gram +/Gram -:G- (weak reaction)
Metabolism: Strictly aerobic
Catalase/Oxidase:+/
Spec. Char.: Optimal growth temperature: 22°C, but can also grow at 10-30°C.
Disease:Chronic granulomatous disease
Hosts: Atlantic cod (Gadus morhua).
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
EF490212 2005/09/481 1416  

Taxonomy/phylogeny:
 
Six species have been described within genus Francisella and this genus is related to Coxiella spp. and Legionella spp.
Reference(s): No. 77
Updated:2018-09-19

News

New families introduced within the order Enterobacterales
Phylogenetic tree for the order <i>Enterobacteriales</i>.

The order Enterobacterales (formerly called Enterobacteriales) previously consisted of bacteria with different properties and phylogenetically, these bacteria were far apart. In order for the taxonomy to be more in line with phylogeny, some of these bacteria have, therefore, been sorted into 6 new families.

Published 2022-04-13. Read more...

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