Cross Index Thiothrix nivea
SuperSet Prokaryote, Eubacteria Sheathed heterotrophs and Nonphotosynthetic, Nonfruiting Gliding Bacteria
Compare Herpetosiphon, Thioploca and Thiothrix nivea which also have sheaths are a lso included in Nonphotosynthetic, Nonfruiting Gliding Bacteria in the non fruiting section. The genus Lyngbya which is one of the cyanobacteria also has a sheath.

Clonothrix fusca Crenothrix polyspora, Haliscomenobacter hydrossis, Leptothrix, Lieskeella bifida Phragmidiothrix multiseptata Sphaerotilus natans , Thioploca, Thiothrix nivea, Herpetosiphon

Contrast Archaea
Subset  

 

Morphology Thiothrix nivea
CELLULAR  
Staining Gram-negative.
Morphology Rods, about 1.0-1.5 um in diameter, which exist in multicellular rigid filaments of uniform diameter within a sheath and which produce gonidia from the open end of the sheath. Rosettes may be produced.
Motility The gonidia are motile by gliding. No flagella are present, but a tuft of fimbria may be present on one end of the gonidium.
Specialized structures The closed end of the sheath may have a holdfast Capsules are not produced. Resting stages are now??? known Sulfur globules are deposited within invaginations of the cytoplasmic membrane when cells grow in the presence of a reduced inorganic sulfur compound. By light microscopy the sulfur globules appear to be internal
Division  
COLONIAL  
Solid surface  
Liquid  

 

Growth Parameters Thiothrix nivea
PHYSIOLOGICAL  
Tropism mixotrophic
Oxygen Aerobic or microaerophilic
pH  
Temperature Optimum temperature: 25- 30`C; maximum: about 32-34`C; minimum: about 6-8`C.
Requirements require any of several small organic compounds as well as a reduced inorganic sulfur source
Products  
Enzymes oxidase-positive. Catalase-negative
Unique features  
ENVIRONMENTAL  
Habitat Found in sulfide- containing flowing water and in activated-sludge sewage systems
Lifestyle  
Pathogenicity  
Distribution  

 

Genome Thiothrix nivea
G+C Mol % 52(Tm)
   

 

Reference Thiothrix nivea
First citation Winogradsky,S. 1888. Euber Eisenbakterien Bot. Z. 46: 261-270
The Prokaryotes  
Bergey's Systematatic p 2098 J. M. Larkin
Bergey's Determinative p 493
References