| Cross Index | Cyclobacterium marinum |
| SuperSet | Prokaryote, Eubacteria, Gram negative non motiel Curved rods |
| Compare | Ancylobacter aquaticus, "Brachyarcus thiophilus", Cyclocbactrerium marinum, Flectobacillus, Meniscus glaucopis, "Pelosigma", Runella slithyformis, Spirosoma linguale |
| Contrast | Archaea |
| Subset |
| Morphology | Cyclobacterium marinum |
| CELLULAR |
| Staining | gram negative |
| Morphology | Cell are 0.3- 0.7 microns in diameters and form rings, horseshoe shaped cells and less frequently, coil, helices and straight rods, encapsulated, o resting stage occur, no gas vesicles |
| Motility | non motile,non flagellated. |
| Specialized structures |
| Division |
| COLONIAL |
| Solid surface | colonies are convex, mucoid, opaque, smooth, small and are pink in colour |
| Liquid |
| Growth Parameters | Cyclobacterium marinum |
| PHYSIOLOGICAL |
| Tropism | chemoorganotroph |
| Oxygen | aerobic |
| pH | |
| Temperature | optimum growth 20-25C |
| Requirements | Grow on modified Zobell Marine agar or tryptone- glucose-yeast extract agar containg 3% NaCl. |
| Products | acid produced from most carbohydrates but not from ribose, sorbose or sugar alchols, malonate and tartrate but not glycerol phosphate can be used as the sole carbon source |
| Enzymes | oxidase positive, catalase positive, lipase negative, urease negative |
| Unique features |
| ENVIRONMENTAL |
| Habitat | marine environments |
| Lifestyle | |
| Pathogenicity |
| Distribution |
| Genome | Cyclobacterium marinum |
| G+C Mol % |
| Reference | Cyclobacterium marinum |
| First cited | Raj and Maloy. 1990. IJSB 40:337-347 |
| Emended | Cyclobacterium marinus changed to Cyclobacterium marinum in Bergey;s Manual of Determinative Bacteriology 9th edition |
| The Prokaryotes | p |
| Bergey's Determinative | p 66 |
| References |