| Photobacterium profundum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,
Photobacterium profundum Nogi, Masui and Kato 1998.
Photobacterium profundum Nogi, 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 ºC. Grows 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 ºC (grow
between 4-18 ºC at atmospheric pressure; optimum growth between 8-12 ºC).
Facultative anaerobe, chemoorganotrophic, not luminescent. Moderate barophilic and
psychrophilic. Growth occurs at pressures between 0.1 MPa-70 MPa (10 MPa
optimum).
incubation at 10 ºC. Grows 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 ºC (grow
between 4-18 ºC at atmospheric pressure; optimum growth between 8-12 ºC).
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
and acid production from D-glucose.
Negative results for H2S production, lysine decarboxylase, ornithine decarboxylase and gas production from D-glucose fermentation.
and acid production from D-glucose.
Negative results for H2S production, lysine decarboxylase, ornithine decarboxylase and gas production from D-glucose fermentation.
(c) Costin Stoica
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