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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
Proteobacteria
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-glucoselactosemaltoseL-rhamnosesucrose
+?+?+
L-arabinosecellobioseD-mannitolsalicintrehalose
-?--?
glycerolinulinraffinoseD-sorbitolstarch
?????
Gas is not produced under fermentation of D-glucose.
Spec. Char.: No growth at 37°C
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:
 
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:2018-09-13

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