| Species/Subspecies: | Clostridium septicum | |||||||||
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| Categories: | Causes hemolysis; spore forming; motile | |||||||||
| Etymology: | Genus name: a small spindle. Species epithet: putrefactive. | |||||||||
| Significance: | [Of minor importance] | |||||||||
| Taxonomy: | Class Clostridia Order Clostridiales Family Clostridiaceae Genus Clostridium |
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| Type Strain: | ATCC 12464 = CCUG 4855 = NCTC 547. | |||||||||
| Macromorphology (smell):
| Forms very small gray-whitish colonies, which quickly flow out onto the plate into a dense carpet (the bacteria "swarm"). Gives β-hemolysis on blood agar. | |||||||||
| Micromorphology: | Large rods (0.6-1.9 x 1.9-35.0 µm), which usually are motile. Produce oval and subterminal spores. | |||||||||
| Gram +/Gram -: | G+ | |||||||||
| Metabolism: | Anaerobic | |||||||||
| Catalase/Oxidase: | -/- | |||||||||
| Other Enzymes: | Esculinase +, lecithinase -, tryptophanase -. | |||||||||
| Fermentation of carbohydrates: | D-glucose ? lactose + maltose + L-rhamnose - sucrose - L-arabinose - cellobiose (+) D-mannitol - salicin v trehalose (+) glycerol ? inulin - raffinose - D-sorbitol - starch - |
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| Disease: |
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| Virulence Factors: | C. septicum may cause severe infections by production f a hemolytic and necrotizing α-toxin. | |||||||||
| 16S rRNA Seq.: |
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| Taxonomy/phylogeny:
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About 180 differens species have been descibed within genus Clostridium. C. septicum is closely related toC. chauvoei. | |||||||||
| Link: | Clostridia.net | |||||||||
| Updated: | 2023-03-08 |