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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Vibrionales => Vibrionaceae => Photobacterium => Photobacterium frigidiphilum Seo,
Bae, Lee and Kim 2005.
Only one strain was tested (the type strain, SL13T ).
Bae, Lee and Kim 2005.
Only one strain was tested (the type strain, SL13T ).
Gram negative rods, 0.8-1.5 x 2.3-3.8 μm, motile by means of a polar flagellum.
Colonies are smooth, cream-coloured, opaque, convex and 2-3 mm. in diameter
(after 3 days/10 °C). Grow on marine broth 2216 Difco containing 1% hexadecane
(incubation at 10 °C / 7 days on orbital shaker, 120 rpm) and marine agar 2216E
Difco supplemented with 1 % tributyrin (incubation at 10 °C / 7 days). Is unable to
grow in the absence of Na+. Require MgCl2 and CaCl2 for growth. Grow in the
presence of 1-4% NaCl (1.5 % NaCl optimum).
Grow between 6-20 °C, optimum temperature 14 °C. No growth at 4, 30, 35 or 42 °C.
Facultative anaerobe, not luminiscent, psychrophilic, pH range 5.0-8.5, optimum 6.0.
(after 3 days/10 °C). Grow on marine broth 2216 Difco containing 1% hexadecane
(incubation at 10 °C / 7 days on orbital shaker, 120 rpm) and marine agar 2216E
Difco supplemented with 1 % tributyrin (incubation at 10 °C / 7 days). Is unable to
grow in the absence of Na+. Require MgCl2 and CaCl2 for growth. Grow in the
presence of 1-4% NaCl (1.5 % NaCl optimum).
Grow between 6-20 °C, optimum temperature 14 °C. No growth at 4, 30, 35 or 42 °C.
Facultative anaerobe, not luminiscent, psychrophilic, pH range 5.0-8.5, optimum 6.0.
Isolated from deep-sea sediment samples (1500 m depth) in Papua New Guinea. Susceptible to vibriostatic agent O/129.
Unknown.
- H. J. Seo, S.S.Bae, J.H. Lee and S.J. Kim ,2005. Photobacterium frigidiphilum sp. nov. , a psychrophilic, lipolytic bacterium
isolated from deep-sea sediments of Edison Seamount. IJSEM 55, 1661-1666.
Positive results for catalase, oxidase, arginine dihydrolase, β-galactosidase, β-glucosidase, protease, lipase, reduction of nitrate to
nitrite, indole & acid production from glucose.
Can utilize as carbon source: dextrin, glycogen, N-acetyl-D-glucosamine, D-fructose, maltose, D-mannitol, D-mannose, sucrose, D-
trehalose, DL-lactic acid, L-alanine, glycyl L -glutamic acid , L-serine, inosine, uridine, glucose 6-phosphate & myo-inositol.
nitrite, indole & acid production from glucose.
Can utilize as carbon source: dextrin, glycogen, N-acetyl-D-glucosamine, D-fructose, maltose, D-mannitol, D-mannose, sucrose, D-
trehalose, DL-lactic acid, L-alanine, glycyl L -glutamic acid , L-serine, inosine, uridine, glucose 6-phosphate & myo-inositol.
(c) Costin Stoica
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