Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Photobacterium,
Photobacterium kishitanii Ast, Cleenwerck, Engelbeen, Urbanczyk, Thompson, De Vos and Dunlap, 2007.
Gram-negative, motile, coccoid or coccoid-rods, 0.9 x 1.2-3.0 µm.
Luminescent. Colonies are small, round, white and strongly luminous after 18 hours
on LSW-70 at 22 ºC. Grows on Marine agar, Difco (M12) at 20 ºC.
Isolated from fish light-organs and from enrichments of fish skin (deep, cold-dwelling marine fishes).
- J.C. Ast, I. Cleenwerck, K. Engelbeen, H. Urbanczyk, F. L. Thompson, P. De Vos and P.V. Dunlap, 2007. Photobacterium kishitanii
sp. nov., a luminous marine bacterium symbiotic with deep-sea fishes. IJSEM, 57, 2073-2078.
Positive results for catalase, arginine dihydrolase, lysine decarboxylase & reduction of
nitrates to nitrites.
Negative results for oxidase (or weakly positive), beta-galactosidase, ornithine
decarboxylase, citrate utilization, production of H2S, urease, tryptophan deaminase,
indole production, hydrolysis of gelatin, acid from manitol, inositol, sorbitol, rhamnose,
sucrose, melibiose, amygdalin, arabinose, reduction of nitrate to nitrogen, assimilation of arabinose, mannose, mannitol,
N-acetylglucoseamine, maltose, capric acid, malate, trisodium citrate & phenylacetic acid.
Variable results for acid production from glucose.
(c) Costin Stoica