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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Vibrionales => Vibrionaceae => Photobacterium => Photobacterium profundum Nogi,
Masui and Kato 1998.
Masui and Kato 1998.
Gram negative rods, 0.8-1.0 x 2-4 μm. Motile by means of single, unsheathed polar
flagellum.
flagellum.
Colonies are smooth, semitranslucent, ivory , 0.7-1.0 mm in diameter after 48 hours
of incubation at 10 °C.
Grow on blood agar, BHI-agar, TSA supplemented with 1% NaCl, TCBS (thiosulfate
citrate bile sucrose agar) and marine agar; unable to grow in the absence of Na+.
Grow in nutrient broth with 3% NaCl. No growth at 20 °C (grow between 4-18 °C at
atmospheric pressure; optimum growth between 8-12 °C).
Facultative anaerobe, chemoorganotrophic, not luminescent . Moderate barophilic
and psychrophilic. Growth occurs at pressures between 0.1 MPa-70 MPa (10 MPa
optimum).
of incubation at 10 °C.
Grow on blood agar, BHI-agar, TSA supplemented with 1% NaCl, TCBS (thiosulfate
citrate bile sucrose agar) and marine agar; unable to grow in the absence of Na+.
Grow in nutrient broth with 3% NaCl. No growth at 20 °C (grow between 4-18 °C at
atmospheric pressure; optimum growth between 8-12 °C).
Facultative anaerobe, chemoorganotrophic, not luminescent . Moderate barophilic
and psychrophilic. Growth occurs at pressures between 0.1 MPa-70 MPa (10 MPa
optimum).
Isolated from the ocean sediment at a depth of 5110 m. Resistant to vibriostatic agent O/129.
Unknown.
- 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. - Yuichi Nogi, Noriaki Masui and C. Kato. Photobacterium profundum sp. nov., a new, moderately barophilic bacterial species
isolated from a deep-sea sediment. Extremophiles Volume 2, Number 1, 1-8.
Positive results for indole production, methyl red, Voges-Proskauer reaction, arginine dihydrolase, nitrate reduction to nitrite, oxidase
& acid production from D-glucose.
Negative results for H2S production, lysine decarboxylase, ornithine decarboxylase & gas production from D-glucose fermentation.
& acid production from D-glucose.
Negative results for H2S production, lysine decarboxylase, ornithine decarboxylase & gas production from D-glucose fermentation.
(c) Costin Stoica
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