Halococcus |
SuperSet | Prokaryote, Archaea, Halophilic Archaeobacteria |
Compare | Haloarcula , Halobacterium, Halococcus , Haloferax ,Natronobacterium , Natronococcus occultus |
Contrast | Methanogens Cell Wall-Less Archaeobacteria Sulfate Reducing Archaeobacteria Halophilic Archaeobacteria Extremely Thermophilic Archaeobacteria |
Subset |
Morphology | Halococcus |
CELLULAR |
Staining | Stains mainly Gram-negative with at least some cells Gram-positive |
Morphology | Cocci, 0.8-1.5 um in diameter, occurring in pairs, tetrads, sarcina packets, or irregular clusters |
Motility | Nonmotile. |
Specialized structures | Nonsporeforming |
Division | Divide by septation |
COLONIAL |
Solid surface | Colonies are red to orange due to carotenoids in the cells |
Liquid |
Growth Parameters | Halococcus |
PHYSIOLOGICAL |
Tropism | Chemoorganotrophic. |
Oxygen | Strictly aerobic |
pH | |
Temperature | Optimum temperature: 30-37`C |
Requirements | Require at least 2.5 M NaCl for growth and 3.5-4.5 M NaCl for best growth No lysis occurs in hypotonic solutions |
Products | |
Enzymes | Oxidase- and catalase-positive |
Unique features |
ENVIRONMENTAL |
Habitat | |
Lifestyle | |
Pathogenicity |
Distribution |
Genome | Halococcus |
G+C Mol % | 61-66 (Tm |
Reference | Halococcus |
First citation | Schoop, G 1935 a
Obligat halophile Mikroben. Zentralbl. Bakteriol.
Parasitenk Infektionskr Hyg Abt 1: 134: 14-26 Schoop, G. 1935 Halococcus litoralis , ein obligat halophiler Farbstofbildner. Deut. Tierarztyl. Wochenwschr 43: 817-820 |
The Prokaryotes | p |
Bergey's Systematatic | p 2228 H. Larsen |
Bergey's Determinative | p 743 |