Cross Index "Pelosigma"
superset Prokaryote, Eubacteria Gram-Negative curved bacteria
Compare Ancylobacter aquaticus ,"Brachyarcus thiophilus", Cyclobacterium marinum, Flectobacillus, Meniscus glaucopis, "Pelosigma", Runella slithyformis, Spirosoma linguale
Contrast Archaea
Subset  

 

Morphology "Pelosigma"
CELLULAR  
Staining Gram reaction not recorded
Morphology S shaped slender filaments arranged side by side in sigmoid aggregates of four or multiples of four
Motility Aggregate may be motile
Specialized structures  
Division Synchronous cross division of the aggregate and sudden appearance of the daughter aggregate
COLONIAL  
Solid surface  
Liquid  

 

Growth Parameters "Pelosigma"
PHYSIOLOGICAL  
Tropism  
Oxygen Oxygen is absent, sulfide present
pH 7.25-7.9
Temperature  
Requirements  
Products  
Enzymes  
Unique features  
ENVIRONMENTAL  
Habitat Has NOT been isolated in pure culture

Occur in mud of fresh or brackish waters

Lifestyle  
Pathogenicity  
Distribution  
Reference "Pelosigma"
First citation Lauterborn,R. (1913) Zur Kenntnis einiger sapropelischer Schizomyceten Allg. Bot. Z. 19: 97-100
The Prokaryotes p
Bergey's Systematatic p 138 P. Hirsch
Bergey's Determinative p 67
References Hirsch (1981)