| Aeromonas bestiarum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Aeromonadales, Family Aeromonadaceae, Genus
Aeromonas, Aeromonas bestiarum Ali et al. 1996.
Old synonym: Aeromonas hydrophila genomospecies 2.
Closely related to Aeromonas salmonicida.
Aeromonas, Aeromonas bestiarum Ali et al. 1996.
Old synonym: Aeromonas hydrophila genomospecies 2.
Closely related to Aeromonas salmonicida.
Gram-negative, straight rods with rounded ends. Motile by a polar flagellum.
Colonies are smooth, circular, convex, translucent, 1–3 mm in diameter. No brown,
water-soluble pigment is produced on TSA medium. Beta hemolysis is produced on
sheep blood agar. Mesophilic, growth temperature 10-39 ºC, optimum 28 ºC. Can
grow in nutrient broth with: 0 and 3% NaCl.
water-soluble pigment is produced on TSA medium. Beta hemolysis is produced on
sheep blood agar. Mesophilic, growth temperature 10-39 ºC, optimum 28 ºC. Can
grow in nutrient broth with: 0 and 3% NaCl.
Isolated from water, wild and domestic animals, birds and fish. Isolated from human feces. Resistant to vibriostatic agent O/129.
Fish pathogen. Produce mouth ulcers and surface haemorhagies in ornamental fish. Septicemia in carp (Cyprinus carpio L.)
- Amy Martin-Carnahan and Samuel W. Joseph 2004. Order XII. Aeromonadales ord. nov. In: Bergey’s Manual of Systematic
Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 556-587. - Brian Austin, Dawn A. Austin. Bacterial Fish Pathogens. Disease of Farmed and Wild Fish. 5th ed. 2012.
- A Kozinskaa, L Guz. The effect of various Aeromonas bestiarum vaccines on non-specific immune parameters and protection of
carp (Cyprinus carpio L.). Fish & Shellfish Immunology Volume 16, Issue 3, March 2004, 437–445.
Positive results for catalase, oxidase, nitrate reduction, esculin hydrolysis, indole production, ONPG, acetate utilization, acid
production from: L-arabinose, glycerol, D-mannitol, maltose, mannose, sucrose and D-trehalose.
Negative results for urea hydrolysis, malonate utilization, ornithine decarboxylase, acid production from: D-amygdalin, D-arabitol,
dulcitol, erythritol, melibiose, D-sorbitol and D-xylose.
Variable results for citrate utilization, growth in KCN medium, Voges-Proskauer test, gelatin hydrolysis, lysine decarboxylase, arginine
dihydrolase, H2S production from cysteine thiosulfate, DN-ase, corn oil lipase, acid production from: adonitol,
alpha-methyl-D-glucoside, cellobiose, D-glucose (with gas production), inositol, lactose, D-raffinose, L-rhamnose and salicin.
It hydrolyzes elastin and decarboxylates lysine at 25 ºC, but not at 35 ºC.
production from: L-arabinose, glycerol, D-mannitol, maltose, mannose, sucrose and D-trehalose.
Negative results for urea hydrolysis, malonate utilization, ornithine decarboxylase, acid production from: D-amygdalin, D-arabitol,
dulcitol, erythritol, melibiose, D-sorbitol and D-xylose.
Variable results for citrate utilization, growth in KCN medium, Voges-Proskauer test, gelatin hydrolysis, lysine decarboxylase, arginine
dihydrolase, H2S production from cysteine thiosulfate, DN-ase, corn oil lipase, acid production from: adonitol,
alpha-methyl-D-glucoside, cellobiose, D-glucose (with gas production), inositol, lactose, D-raffinose, L-rhamnose and salicin.
It hydrolyzes elastin and decarboxylates lysine at 25 ºC, but not at 35 ºC.
(c) Costin Stoica
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