| Photobacterium frigidiphilum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,
Photobacterium frigidiphilum Seo, Bae, Lee and Kim 2005.
Only one strain was tested (the type strain, SL13T ).
Photobacterium frigidiphilum Seo, 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 one polar flagellum.
Colonies are smooth, cream-coloured, opaque, convex and 2-3 mm in diameter (after
3 days/10 ºC). Grows on Marine broth 2216 Difco containing 1% hexadecane
(incubation at 10 ºC / 7 days on orbital shaker, 120 rpm) and Marine agar 2216E
Difco supplemented with 1 % tributyrin (incubation at 10 ºC / 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).
Grows between 6-20 ºC, optimum temperature 14 ºC. No growth at 4, 30, 35 or 42 ºC.
Facultative anaerobe, not luminescent, psychrophilic, pH range 5.0-8.5, optimum 6.0.
3 days/10 ºC). Grows on Marine broth 2216 Difco containing 1% hexadecane
(incubation at 10 ºC / 7 days on orbital shaker, 120 rpm) and Marine agar 2216E
Difco supplemented with 1 % tributyrin (incubation at 10 ºC / 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).
Grows between 6-20 ºC, optimum temperature 14 ºC. No growth at 4, 30, 35 or 42 ºC.
Facultative anaerobe, not luminescent, 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, beta-galactosidase, beta-glucosidase, protease, lipase, reduction of
nitrate to nitrite, indole production & 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.
nitrate to nitrite, indole production & 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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