| Natronococcus occultus |
| SuperSet | Prokaryote, Archaea, Halophilic Archaeobacteria |
| ompare | Haloarcula , Halobacterium, Halococcus , Haloferax ,Natronobacterium , Natronococcus occultus Eubacteria: Halomonas |
| Contrast | Methanogens Cell Wall-Less Archaeobacteria Sulfate Reducing Archaeobacteria Halophilic Archaeobacteria Extremely Thermophilic Archaeobacteria |
| Subset |
| Morphology | Natronococcus occultus |
| CELLULAR |
| Staining | Gram reaction is mixed with some cells stain Gram-positive, others Gram-negative |
| Morphology | Cells coccoid, usually 1-2 um in diameter, occurring in refractile irregular clusters also in pairs and as single cells |
| Motility | Nonmotile |
| Specialized structures | Resting stages are not known |
| Division |
| COLONIAL |
| Solid surface |
| Liquid |
| Growth Parameters | Natronococcus occultus |
| PHYSIOLOGICAL |
| Tropism | Chemoorganotrophic |
| Oxygen | strictly aerobic. Oxidase and catalase positive |
| pH | Alkaliphilic with growth occurring at pH 8.5- 11.0 and 37`C in media containing 3.5 M NaCl; optimum pH: about 9.5. |
| Temperature | Optimum temperature:
35-40`C; maximum: about 45`C; minimum: 20-25`C. |
| Requires | Extremely halophilic with growth occurring in media containing 1.5-5.2 M (saturation) NaCl; optimum concentration: 3.5 M. |
| Products | |
| Enzymes | |
| Unique features | Clycolipids are absent. |
| ENVIRONMENTAL |
| Habitat | |
| Lifestyle | |
| Pathogenicity |
| Distribution |
| Genome | Natronococcus occultus |
| G+C Mol % |
| Reference | Natronococcus occultus |
| First citation | Tindall, B.J., H.N.M. Ross and W. D. Grant. 1984. Natronobacterium gen. nov. and Natronococcus gen. nov., two new genera of haloalkaliphilic arachaebacteria. Syst. Appl. Microbiol 5: 41-57 |
| The Prokaryotes | |
| Bergey's Systematatic | p 2232 Wm. D. Grant |
| Bergey's Determinative | p 743 |
| References |