Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,
Photobacterium ganghwense Park, Baik, Seong, Bae, Kim and Chun, 2006.
Gram-negative, oval or rod-shaped cells, 0.8-1.2 x 1.3-2.0 μm. Motile by a polar
Colonies are smooth, slightly cream-coloured, opaque, convex, 3 mm in diameter (3
days / 30 ºC). Growth temperature 10-45 ºC, optimum 35 ºC. No growth at 4 ºC.
Grow on marine agar 2216E Becton Dickinson, TCBS agar (producing green
colonies); unable to grow in the absence of Na+. Growth in nutrient broth with 1 to 7%
NaCl (2% NaCl optimum); pH range 5-11 (optimum pH 8-9). Facultative anaerobe,
Isolated from sea water from Ganghwa Island, South Korea.
- Y.-D. Park, K.S. Baik, C.N. Seong, K.S. Bae, S. Kim, J. Chun, 2006. Photobacterium ganghwense sp. nov., a halophilic bacterium
isolated from sea water. IJSEM 56, 745-749.
Positive results for catalase, oxidase, arginine dihydrolase, alpha-glucosidase,
alkaline phosphatase, esterase/lipase, esterase, leucine arylamidase, acid
phosphatase, reduction of nitrate to nitrite, fermentation of: glucose, D-inositol, amygdalin , D-mannitol, and assimilation of (glucose,
maltose, mannitol, N-acetyl-D-glucosamine, gluconate, malate, citrate, and phenylacetate), citrate utilization, indole production &
hydrolysis of gelatin.
Negative results for gas production from D-glucose under aerobic conditions, ornithine decarboxylase, lysine decarboxylase, urease,
tryptophan deaminase, aesculin hydrolysis, beta-galactosidase, lipase, valine arylamidase, cystine arylamidase, trypsin,
alpha-chymotrypsin, alpha-galactosidase, beta-glucuronidase, beta-glucosidase, N-acetyl-beta-glucosaminidase,
alpha-mannosidase, beta-fucosidase, production of H2S, acetoin production, fermentation of D-sorbitol, sucrose, melibiose &
(c) Costin Stoica