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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Vibrionales => Vibrionaceae => Vibrio =>Photobacterium damselae Smith et al. 1991.
=> Photobacterium damselae subsp. damselae corrig. (Love et al. 1982) Smith et al. 1991, subsp. nov.
=> Photobacterium damselae subsp. piscicida corrig. (ex Janssen and Surgalla 1968) Gauthier et al. 1995
Synonyms: Vibrio damsela Love, Teebken - Fisher, Hose, Farmer, Hickman, and Fanning 1982 (Smith et al.1991), Listonella
damsela MacDonell & Colwell 1985, Photobacterium histaminum Okuzumi et al. 1994, Pasteurella piscicida Janssen and Surgalla
1968.
Photobacterium histaminum Okuzumi et al. 1994 is considered a later synonym of Photobacterium damselae subsp. damselae.
=> Photobacterium damselae subsp. damselae corrig. (Love et al. 1982) Smith et al. 1991, subsp. nov.
=> Photobacterium damselae subsp. piscicida corrig. (ex Janssen and Surgalla 1968) Gauthier et al. 1995
Synonyms: Vibrio damsela Love, Teebken - Fisher, Hose, Farmer, Hickman, and Fanning 1982 (Smith et al.1991), Listonella
damsela MacDonell & Colwell 1985, Photobacterium histaminum Okuzumi et al. 1994, Pasteurella piscicida Janssen and Surgalla
1968.
Photobacterium histaminum Okuzumi et al. 1994 is considered a later synonym of Photobacterium damselae subsp. damselae.
Subsp. damselae: Gram negative rods, sometimes motile, no swarming on solid
media.
Subsp. piscicida: Gram negative, bipolar staining, pleomorphic cells, coccoidal to
rods under different culture conditions, 1.5 x 1.0 μm, non-motile, non-flagellated.
media.
Subsp. piscicida: Gram negative, bipolar staining, pleomorphic cells, coccoidal to
rods under different culture conditions, 1.5 x 1.0 μm, non-motile, non-flagellated.
Subsp. damselae: colonies are smooth, slightly convex, greyish or whitish, often
hemolytic on blood agar and their diameter is between 2.5 to 3 mm.
Can grow in nutrient broth with: 1% & 6% NaCl. No growth in 0%, 8%, 10% & 12%
NaCl.
Growth temperature 30 - 35 °C. No growth at 4 °C.
Subsp. piscicida: colonies are round, 1-2 mm. in diameter, glistening,convex, opaque
& viscid; capsules maybe produced. Grow on blood agar, BHI-agar, TSA
supplemented with 1 % NaCl, thiosulfate citrate bile sucrose agar & marine agar.
Unable to grow in the absence of Na+. Can grow in nutrient broth with: 1% & 2%
NaCl. No growth in 0%, 6%, 8%, 10% & 12% NaCl.
Growth temperature 20 - 35 °C. No growth at 4 or 40 °C. Facultative anaerobe, no
hemolysin production, no luminescence.
hemolytic on blood agar and their diameter is between 2.5 to 3 mm.
Can grow in nutrient broth with: 1% & 6% NaCl. No growth in 0%, 8%, 10% & 12%
NaCl.
Growth temperature 30 - 35 °C. No growth at 4 °C.
Subsp. piscicida: colonies are round, 1-2 mm. in diameter, glistening,convex, opaque
& viscid; capsules maybe produced. Grow on blood agar, BHI-agar, TSA
supplemented with 1 % NaCl, thiosulfate citrate bile sucrose agar & marine agar.
Unable to grow in the absence of Na+. Can grow in nutrient broth with: 1% & 2%
NaCl. No growth in 0%, 6%, 8%, 10% & 12% NaCl.
Growth temperature 20 - 35 °C. No growth at 4 or 40 °C. Facultative anaerobe, no
hemolysin production, no luminescence.
Subsp. damselae: isolated from fish Chromis punctipinnis and marine algae (important in disease transmission to fish), sewage,
oysters & a wound culture from a racoon. Sensible to O/129 vibriostatic agent (10 & 150 µg).
Subsp. piscicida: isolated from diseased fish (Seriola quinqueradiata, Sparus aurata, Dicentrarchus labrax), restricted to the East
Coast of North America, Japan & Mediterranean area.
Resistant to oxacillin. Variable sensivity to vibriostatic agent O/129.
oysters & a wound culture from a racoon. Sensible to O/129 vibriostatic agent (10 & 150 µg).
Subsp. piscicida: isolated from diseased fish (Seriola quinqueradiata, Sparus aurata, Dicentrarchus labrax), restricted to the East
Coast of North America, Japan & Mediterranean area.
Resistant to oxacillin. Variable sensivity to vibriostatic agent O/129.
Subsp. damselae: causes skin ulcers in fish Chromis punctipinnis. Opportunistic pathogen capable of causing disease in a variety of
hosts, including sharks (Grimes et al., 1984), dolphins (Fujioka et al., 1988) and humans.
Subsp. piscicida: can be extremely virulent for fish (pasteurellosis); isolated from diseased fish (Seriola quinqueradiata, Sparus
aurata, Dicentrarchus labrax)
Presence of the iron uptake system and the phospholipase are important in virulence. Capsules may be produced.
hosts, including sharks (Grimes et al., 1984), dolphins (Fujioka et al., 1988) and humans.
Subsp. piscicida: can be extremely virulent for fish (pasteurellosis); isolated from diseased fish (Seriola quinqueradiata, Sparus
aurata, Dicentrarchus labrax)
Presence of the iron uptake system and the phospholipase are important in virulence. Capsules may be produced.
- J.J. Farmer, M. Janda, 2004.Family I. Vibrionaceae . In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol two,
part B, George M. Garrity (Editor-in-Chief), pp. 491-546. - An Thyssen , Frans Ollevier, 2004. Genus II . Photobacterium Beijerinck 1889. In: Bergey’s Manual of Systematic Bacteriology,
Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 546-555. - J. G.Holt et al., 1994.Begey’s manual of Determinative Bacteriology, 9-edition, Williams & Wilkins.
- Judith A. Johnson, 2006. Vibrio. In: Topley & Wilson’s Microbiology and Microbial Infections, 10 edition, Vol. 2, Bacteriology,
Edward Arnold Ltd., 1507-1523. - Kimura, B, Hokimoto, S, Takahashi, H, Fujii, T. Photobacterium histaminum Okuzumi et al. 1994 is a later subjective synonym
of Photobacterium damselae subsp. damselae (Love et al. 1981) Smith et al. 1991. Int J Syst Evol Microbiol 2000 50: 1339-
1342. - A. Thyssen, L. Grisez, r. van Houdt and F. Ollever, 1998. Phenotypic characterization of the marine pathogen Photobacterium
damselae subsp. piscicida. IJSB 48, 1145-1151
Subsp. damselae:
Positive results for methyl red (1%NaCl), Voges-Proskauer (1% NaCl), arginine (1% NaCl),
nitrate reduction to nitrite, oxidase, acid production from D-glucose, D-galactose, maltose, D-mannose & trehalose.
Negative results for indole (Heart Infusion Broth, 1% NaCl), citrate (Simmons), H2S on TSI, urea hydrolysis, phenylalanine
deaminase, ornithine (1% NaCl), gelatin hydrolysis (1% NaCl, 22°C), gas from D-glucose, esculin hydrolysis, lipase, ONPG test, acid
production from: D-adonitol, L-arabinose, D-arabitol, cellobiose, dulcitol, glycerol, myo-inositol, lactose, D-mannitol, melibiose,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose & D-xylose.
Lysine (1% NaCl) is variable.
Subsp. piscicida can be differentiated from subsp. damselae by positive lipase production and negative nitrate reduction to nitrite and
no acid production from maltose & trehalose.
Positive results for methyl red (1%NaCl), Voges-Proskauer (1% NaCl), arginine (1% NaCl),
nitrate reduction to nitrite, oxidase, acid production from D-glucose, D-galactose, maltose, D-mannose & trehalose.
Negative results for indole (Heart Infusion Broth, 1% NaCl), citrate (Simmons), H2S on TSI, urea hydrolysis, phenylalanine
deaminase, ornithine (1% NaCl), gelatin hydrolysis (1% NaCl, 22°C), gas from D-glucose, esculin hydrolysis, lipase, ONPG test, acid
production from: D-adonitol, L-arabinose, D-arabitol, cellobiose, dulcitol, glycerol, myo-inositol, lactose, D-mannitol, melibiose,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose & D-xylose.
Lysine (1% NaCl) is variable.
Subsp. piscicida can be differentiated from subsp. damselae by positive lipase production and negative nitrate reduction to nitrite and
no acid production from maltose & trehalose.
(c) Costin Stoica
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