Methanohalobium evstigatus
SuperSet Prokaryote, Archaea, Methanogens
Compare Methanogens subgroup 1: Methanobacterium ,Methanobrevibacter, Methanosphaera ,Metthanothermus

Methanogens Subgroup 2 : Methanococcus ,Methanocorpusculum , Methanoculleus , Methanogenium Methanolacinia paynteri, Methanomicrobium mobile , Methanoplanus , Methanospirillum hungatei

Methanogens subgroup 3: Methanococcoides methylutens , Methanohalobium evstigatus , Methanohalophilus , Methanolobus , Methanosarcina , Methanothrix

Contrast Eubacteria

Methanogens
Cell Wall-Less Archaeobacteria
Sulfate Reducing Archaeobacteria
Halophilic Archaeobacteria
Extremely Thermophilic Archaeobacteria
Subset  

 

Morphology Methanohalobium evstigatus
CELLULAR  
Staining Gram negative
Morphology Very irregular cocci (0.5-1.5 um in diameter)
Motility non motile
Specialized structures  
Division  
COLONIAL  
Solid surface  
Liquid  

 

Growth Parameters Methanohalobium evstigatus
PHYSIOLOGICAL  
Tropism  
Oxygen Very strictly anaerobic
pH optimum pH 6.5-7.5
Temperature optimum 50-55 oC
Requires methylamines and methanol are the sole catabolic substrates, with H2 + CO2, formate, acetate or alcholols + CO2 not catabolized. Ammonia serves as nitrogen source and sulfide serves as a sulfur source Requires B- vitamins or yeast extract
Produces  
Enzymes  
Unique features Cells do not contain muramic acid. Lipids are predominantly isoprenoid hydrocarbons ether-linked to glycerol. Cells contain coenzyme M and coenzyme F420
ENVIRONMENTAL  
Habitat saline ponds and lagoons.
Lifestyle  
Pathogenicity  
Distribution  

 

Genome Methanohalobium evstigatus
G+C Mol %  
   

 

Reference Methanohalobium evstigatus
First Citation Zhilina and Zavarzin 1987 Dokl. Akad Nauk SSR. 293: 464-468
The Prokaryotes p
Bergey's Determinative p 723
References