Halococcus
SuperSet Prokaryote, Archaea, Halophilic Archaeobacteria
Compare 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 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