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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Aeromonas salmonicida subsp. achromogenes
Etymology: Genus name: gas producing
Species epithet: salmon killer
Subspecies epithet: not color producing
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Pseudomonadota
Class
Gammaproteobacteria
Order
Aeromonadales
Family
Aeromonadaceae 
Genus
Aeromonas
Type Strain: ATCC 33659
Macromorphology (smell): Grey-white translucent colonies (diameter 1-3 mm) with a buttery consistency and without hemolysis, usually no pigmentation (compare with subsp. salmonicida)
Micromorphology: Nonmotile rods with rounded ends, sometimes coccoid, sometimes in pairs or short chains
Gram +/Gram -:G-
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/+
Other Enzymes: Esculinase -, tryptophanase +
Biochemical Tests: Voges-Proskauer -
Fermentation of carbohydrates:
D-glucose
+
lactose
?
maltose
+
L-rhamnose
?
sucrose
+
L-arabinose
-
cellobiose
?
D-mannitol
-
salicin
-
trehalose
?
glycerol
?
inulin
?
raffinose
?
D-sorbitol
?
starch
?
Gas is not produced under fermentation of D-glucose.
Spec. Char.: No growth at 37°C
Special Media:
Disease:Atypical furunculosis
Hosts: Fish
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
Not reported    

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AY910844 Not defined 1540  

Taxonomy/phylogeny:
Aeromonas salmonicida  
About 30 species have been described within the genus Aeromonas and they form a cluster, which is related to Pseudomonas spp. and Moraxella spp. and some other genera Five subspecies of A. salmonicida have been reported.
Updated:2023-03-29

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