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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Vibrionales => Vibrionaceae => Photobacterium => Photobacterium iliopiscarium
(Onarheim, Wiik, Burghardt and Stackebrandt 1994) Urakawa, Kita-Tsukamoto and Ohwada 1999.
Historical synonym: Vibrio iliopiscarius Onarheim, Wiik, Burghardt and Stackebrandt 1994.
(Onarheim, Wiik, Burghardt and Stackebrandt 1994) Urakawa, Kita-Tsukamoto and Ohwada 1999.
Historical synonym: Vibrio iliopiscarius Onarheim, Wiik, Burghardt and Stackebrandt 1994.
Gram negative pleomorphic cells; in broth with more than 2% salt bacteria (culture)
tend to aggregate. In 2% NaCl broth medium without glucose , the dominant
morphology is curved rods. Motile.
tend to aggregate. In 2% NaCl broth medium without glucose , the dominant
morphology is curved rods. Motile.
Morphology of the colonies varies; in broth with more than 2% salt bacteria (culture)
tend to aggregate, the dominant morphology of young cultures is small, colorless to
grayish & opaque.
Grow on blood agar, BHI-agar, TSA supplemented with 1% NaCl, thiosulfate citrate
bile sucrose agar, and marine agar. Is unable to grow in the absence of Na+; able to
grow in nutrient broth with 1-3% NaCl. Optimum growth temperature 20-25 °C. Grow
at 4 °C, no growth at 30, 35, 37 or 40 °C. The ability to grow at different temperatures
varies with the medium composition.
Facultative anaerobe (growth is better under aerobic conditions),
chemoorganotrophic, not luminescent , no hemolysin production.
tend to aggregate, the dominant morphology of young cultures is small, colorless to
grayish & opaque.
Grow on blood agar, BHI-agar, TSA supplemented with 1% NaCl, thiosulfate citrate
bile sucrose agar, and marine agar. Is unable to grow in the absence of Na+; able to
grow in nutrient broth with 1-3% NaCl. Optimum growth temperature 20-25 °C. Grow
at 4 °C, no growth at 30, 35, 37 or 40 °C. The ability to grow at different temperatures
varies with the medium composition.
Facultative anaerobe (growth is better under aerobic conditions),
chemoorganotrophic, not luminescent , no hemolysin production.
Isolated from the intestines of fish (herring, coal fish, cod, and salmon) living in cold seawater.
Susceptible to vibriostatic agent O/129, resistant to penicillin-G.
Susceptible to vibriostatic agent O/129, resistant to penicillin-G.
Unknown (none).
- 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. - Urakawa, Hidetoshi, Kita-Tsukamoto, Kumiko, Ohwada, Kouichi. Reassessment of the taxonomic position of Vibrio iliopiscarius
(Onarheim et al. 1994) and proposal for Photobacterium iliopiscarium comb. nov. Int J Syst Bacteriol 1999 49: 257-260.
Positive results for methyl red, Voges-Proskauer test, arginine dihydrolase, lysine decarboxylase, nitrate reduction to nitrite, acid
production from: D-glucose (with gas), D-galactose, maltose & D-mannose.
Negative results for indole, citrate utilization (Simmons), H2S production, urea hydrolysis, oxidase, ornithine decarboxylase, gelatin
hydrolysis, acid production from: D-adonitol, L-arabinose, D-arabitol, cellobiose, dulcitol, myo-inositol, lactose, D-mannitol, melibiose,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose & D-xylose.
Variable results for trehalose fermentation.
production from: D-glucose (with gas), D-galactose, maltose & D-mannose.
Negative results for indole, citrate utilization (Simmons), H2S production, urea hydrolysis, oxidase, ornithine decarboxylase, gelatin
hydrolysis, acid production from: D-adonitol, L-arabinose, D-arabitol, cellobiose, dulcitol, myo-inositol, lactose, D-mannitol, melibiose,
raffinose, L-rhamnose, salicin, D-sorbitol, sucrose & D-xylose.
Variable results for trehalose fermentation.
(c) Costin Stoica
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