| Pseudomonas anguilliseptica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas anguilliseptica Wakabayashi and Egusa 1972.
Genus Pseudomonas, Pseudomonas anguilliseptica Wakabayashi and Egusa 1972.
Gram-negative, 0.4 x 2 μm rods. Filamentous forms of 0.8 x 5-10 μm may be formed.
Motile (more intense at 15-25 ºC) with monotrichous flagella.
Motile (more intense at 15-25 ºC) with monotrichous flagella.
On solid medium: small (< 1 mm), round, regular, convex, grayish colonies. Pigments
are not produced. May be hemolytic. Aerobic, growth temperature 4-30 ºC. Does not
grow at 37 ºC. Grows on: Trypticase Soy Agar; Mueller-Hinton agar; Mac Conkey agar;
Cytophaga agar.
are not produced. May be hemolytic. Aerobic, growth temperature 4-30 ºC. Does not
grow at 37 ºC. Grows on: Trypticase Soy Agar; Mueller-Hinton agar; Mac Conkey agar;
Cytophaga agar.
Isolated from water and fish (Anguilla japonica, Anguilla anguilla).
Causes “red spot disease” in fish (eels) - petechial haemorrhages on the skin and internal organs. Pathogenicity is increased when
water temperature falls below 16 ºC. May be a cause of eye disease in Baltic herring. Pathogenic to japanese eel, ayu, loach
(Misgurnus anguillicaudatus) and blue-gill sunfish (Lepomis macrochirus).
Under laboratory conditions expressed low pathogenicity to rainbow trout, carp (Cyprinus carpio), crucian carp (Carassius carassius),
and goldfish (Carassius auratus).
water temperature falls below 16 ºC. May be a cause of eye disease in Baltic herring. Pathogenic to japanese eel, ayu, loach
(Misgurnus anguillicaudatus) and blue-gill sunfish (Lepomis macrochirus).
Under laboratory conditions expressed low pathogenicity to rainbow trout, carp (Cyprinus carpio), crucian carp (Carassius carassius),
and goldfish (Carassius auratus).
- Wakabayashi H. & Egusa S.: Characteristics of a Pseudomonas sp. from an epizootic of pond-cultured eels (Anguilla japonica).
Bulletin of the Japanese Society of Scientific Fisheries, 1972, 38, 577-587. - Bram Vanparys, Kim Heylen, Liesbeth Lebbe and Paul De Vos: Pseudomonas peli sp. nov. and Pseudomonas borbori sp. nov.,
isolated from a nitrifying inoculum. Int J Syst Evol Microbiol, 56, (2006), 1875-1881. - Franck C., J. Berthe, Christian Michel, Jean-Franqois Bernardet : Identification of Pseudomonas anguilliseptica isolated from
several fish species in France. DISEASES OF AQUATIC ORGANISMS, vol. 21: 151-155, 1995. - Lars Lonnstrom, Tom Wiklund, Goran Bylund: Pseudomonas anguilliseptica isolated from Baltic herring Clupea harengus
membras with eye lesions. DISEASES OF AQUATIC ORGANISMS, Vol. 18: 143-147,1994. - Chen P, Li S, Li QX. Pseudomonas tianjinensis sp. nov., isolated from domestic sewage. Int J Syst Evol Microbiol 2018; 68:2760-
2769.
Positive results for oxidase, catalase and leucine arylamidase.
Strains initially capable of hydrolyzing gelatin readily lost this property after subculture.
Can utilize as sole carbon source: acetate, L-alanine, L-histidine (weakly), propionate, L-serine, citrate, caprate, malate and
D-galactose.
Negative results for arginine dihydrolase, cystine arylamidase, aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, H2S production, indole production, lysine
decarboxylase, alpha-mannosidase, nitrates reduction, urease and acidification of glucose.
No utilization of: D-serine, lactate, adipate, phenylacetate, erythritol, D-arabinose, L-xylose, D-adonitol, methyl beta-D-xyloside,
L-sorbose, L-rhamnose, dulcitol, inositol, D-sorbitol, methyl alpha-D-mannoside, methyl alpha-D-glucoside, amygdalin, arbutin,
aesculin, salicin, D-cellobiose, D-lactose, D-melibiose, inulin, D-melezitose, D-raffinose, starch, glycogen, xylitol, gentiobiose,
D-turanose, D-lyxose, D-tagatose, L-arabitol, glycerol, L-arabinose, D-ribose, D-xylose, D-glucose, D-mannitol, D-maltose, sucrose,
D-trehalose, D-arabitol, N-acetylglucosamine, gluconate, 2- and 5-ketogluconate.
Variable results for D- and L-fucose, fructose, galactose and mannose.
Strains initially capable of hydrolyzing gelatin readily lost this property after subculture.
Can utilize as sole carbon source: acetate, L-alanine, L-histidine (weakly), propionate, L-serine, citrate, caprate, malate and
D-galactose.
Negative results for arginine dihydrolase, cystine arylamidase, aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, H2S production, indole production, lysine
decarboxylase, alpha-mannosidase, nitrates reduction, urease and acidification of glucose.
No utilization of: D-serine, lactate, adipate, phenylacetate, erythritol, D-arabinose, L-xylose, D-adonitol, methyl beta-D-xyloside,
L-sorbose, L-rhamnose, dulcitol, inositol, D-sorbitol, methyl alpha-D-mannoside, methyl alpha-D-glucoside, amygdalin, arbutin,
aesculin, salicin, D-cellobiose, D-lactose, D-melibiose, inulin, D-melezitose, D-raffinose, starch, glycogen, xylitol, gentiobiose,
D-turanose, D-lyxose, D-tagatose, L-arabitol, glycerol, L-arabinose, D-ribose, D-xylose, D-glucose, D-mannitol, D-maltose, sucrose,
D-trehalose, D-arabitol, N-acetylglucosamine, gluconate, 2- and 5-ketogluconate.
Variable results for D- and L-fucose, fructose, galactose and mannose.
(c) Costin Stoica
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