| Photobacterium rosenbergii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,
Photobacterium rosenbergii Thompson, Thompson, Naser, Hoste, Vandemeulebroecke, Munn, Bourne and Swings, 2005.
Photobacterium rosenbergii Thompson, Thompson, Naser, Hoste, Vandemeulebroecke, Munn, Bourne and Swings, 2005.
Gram-negative, 2-4 x 1-2 μm, motile.
Colonies are convex, round, beige, opaque, 1 cm in diameter (2 days / 28 ºC, on TSA),
with entire and smooth margins; yellow colonies with raised margins on TCBS.
Grow on tryptone soy agar (TSA) Oxoid supplemented with 2% NaCl and on TCBS
agar (thiosulphate citrate bile salts sucrose) Difco. Is unable to grow in the absence
of Na+. Grow in marine broth with 2-6% NaCl.
Optimum growth temperature 20-30 ºC, no growth is observed at 4 or 40 ºC.
with entire and smooth margins; yellow colonies with raised margins on TCBS.
Grow on tryptone soy agar (TSA) Oxoid supplemented with 2% NaCl and on TCBS
agar (thiosulphate citrate bile salts sucrose) Difco. Is unable to grow in the absence
of Na+. Grow in marine broth with 2-6% NaCl.
Optimum growth temperature 20-30 ºC, no growth is observed at 4 or 40 ºC.
Isolated from different species of bleached and healthy corals (Pachyseris speciosa, Merulina ampliata, Barabattoia amicorum) from
Magnetic Island (Australia).
Resistant to O/129, fusidic acid & streptomycin.
Magnetic Island (Australia).
Resistant to O/129, fusidic acid & streptomycin.
Unknown (none).
- Thompson, F. L., Thompson, C. C., Naser, S., Hoste, B., Vandemeulebroecke, K., Munn, C., Bourne, D., Swings, J.
Photobacterium rosenbergii sp. nov. and Enterovibrio coralii sp. nov., vibrios associated with coral bleaching. Int J Syst Evol
Microbiol 2005 55: 913-917.
Positive results for nitrate reduction, arginine dihydrolase, beta-galactosidase, alkaline
phosphatase, esterase, esterase lipase, leucine arylamidase, valine arylamidase, acid
phosphatase, naphthol-AS-BI-phosphohydrolase, N-acetyl-beta-glucosaminidase,
oxidase, fermentation of: glucose, D-mannitol, sucrose, melibiose & amygdalin.
Can utilize dextrin, glycogen, Tweens 40 and 80, N-acetyl-D-glucosamine, cellobiose, D-fructose, D-galactose, alpha-D-glucose,
maltose, D-mannitol, D-mannose, D-melibiose, D-raffinose, methyl beta-D-glucoside, psicose, sucrose, D-trehalose, methyl
pyruvate, monomethyl succinate, acetic acid, cis-aconitic acid, citric acid, formic acid, p-hydroxyphenylacetic acid, alpha-ketobutyric
acid, alpha-ketoglutaric acid, DL-lactic acid, propionic acid, succinic acid, bromosuccinic acid, alaninamide, D-alanine, L-alanine,
L-alanyl glycine, L-asparagine, L-aspartic acid, L-glutamic acid, glycyl L-aspartic acid, glycyl L-glutamic acid, L-histidine, L-ornithine,
L-serine, L-threonine, inosine, uridine, thymidine, glycerol, DL-alpha-glycerol phosphate, glucose 1-phosphate & glucose
6-phosphate.
Negative results for acetoin production, indole production, lysine decarboxylase, ornithine decarboxylase, urease, tryptophan
deaminase, gelatinase, cystine arylamidase, trypsin, alpha-chymotrypsin, beta-glucuronidase, beta-glucosidase,
alpha-mannosidase, alpha-fucosidase, fermentation of: sorbitol & arabinose.
Does not utilize adonitol, L-arabinose, D-arabitol, alpha-D-lactose lactulose, xylitol, D-galactonic acid, gamma-hydroxybutyric acid,
itaconic acid, alpha-ketovaleric acid, malonic acid, D-saccharic acid, sebacic acid, hydroxy-Lproline, L-leucine, D-serine, DL-carnitine,
gamma-aminobutyric acid, urocanic acid, phenylethylamine, 2-aminoethanol & 2,3-butanediol.
Variable results for lipase, alpha-galactosidase, alpha-glucosidase, fermentation of L-rhamnose and inositol, utilization of
alpha-cyclodextrin, N-acetyl-D-galactosamine, i-erythritol, L-fucose, gentiobiose, myo-inositol, alpha-lactose, D-raffinose,
L-rhamnose, D-sorbitol, turanose, D-galacturonic acid, D-gluconic acid, D-glucosaminic acid, D-glucuronic acid, alpha-hydroxybutyric
acid, beta-hydroxybutyric acid, quinic acid, succinamic acid, glucuronamide, L-phenylalanine, L-proline, L-pyroglutamic acid &
putrescine.
phosphatase, esterase, esterase lipase, leucine arylamidase, valine arylamidase, acid
phosphatase, naphthol-AS-BI-phosphohydrolase, N-acetyl-beta-glucosaminidase,
oxidase, fermentation of: glucose, D-mannitol, sucrose, melibiose & amygdalin.
Can utilize dextrin, glycogen, Tweens 40 and 80, N-acetyl-D-glucosamine, cellobiose, D-fructose, D-galactose, alpha-D-glucose,
maltose, D-mannitol, D-mannose, D-melibiose, D-raffinose, methyl beta-D-glucoside, psicose, sucrose, D-trehalose, methyl
pyruvate, monomethyl succinate, acetic acid, cis-aconitic acid, citric acid, formic acid, p-hydroxyphenylacetic acid, alpha-ketobutyric
acid, alpha-ketoglutaric acid, DL-lactic acid, propionic acid, succinic acid, bromosuccinic acid, alaninamide, D-alanine, L-alanine,
L-alanyl glycine, L-asparagine, L-aspartic acid, L-glutamic acid, glycyl L-aspartic acid, glycyl L-glutamic acid, L-histidine, L-ornithine,
L-serine, L-threonine, inosine, uridine, thymidine, glycerol, DL-alpha-glycerol phosphate, glucose 1-phosphate & glucose
6-phosphate.
Negative results for acetoin production, indole production, lysine decarboxylase, ornithine decarboxylase, urease, tryptophan
deaminase, gelatinase, cystine arylamidase, trypsin, alpha-chymotrypsin, beta-glucuronidase, beta-glucosidase,
alpha-mannosidase, alpha-fucosidase, fermentation of: sorbitol & arabinose.
Does not utilize adonitol, L-arabinose, D-arabitol, alpha-D-lactose lactulose, xylitol, D-galactonic acid, gamma-hydroxybutyric acid,
itaconic acid, alpha-ketovaleric acid, malonic acid, D-saccharic acid, sebacic acid, hydroxy-Lproline, L-leucine, D-serine, DL-carnitine,
gamma-aminobutyric acid, urocanic acid, phenylethylamine, 2-aminoethanol & 2,3-butanediol.
Variable results for lipase, alpha-galactosidase, alpha-glucosidase, fermentation of L-rhamnose and inositol, utilization of
alpha-cyclodextrin, N-acetyl-D-galactosamine, i-erythritol, L-fucose, gentiobiose, myo-inositol, alpha-lactose, D-raffinose,
L-rhamnose, D-sorbitol, turanose, D-galacturonic acid, D-gluconic acid, D-glucosaminic acid, D-glucuronic acid, alpha-hydroxybutyric
acid, beta-hydroxybutyric acid, quinic acid, succinamic acid, glucuronamide, L-phenylalanine, L-proline, L-pyroglutamic acid &
putrescine.
(c) Costin Stoica
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