Species/Subspecies: | Clostridium colinum | ||||||||
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Categories: | Causes hemolysis; spore forming; motile | ||||||||
Etymology: | Genus name: a small spindle. Species epithet: refers to the most sensitive host, the quail. | ||||||||
Significance: | Important in USA, because the mortality in quails is high (up to 100%). [Of minor importance] |
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Taxonomy: | Class Clostridia Order Clostridiales Family Clostridiaceae Genus Clostridium |
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Type Strain: | 72042 = ATCC 27770 = CCUG 21927. | ||||||||
Macromorphology (smell): | C. colinum forms verey small colonies on bloodagar (pinpoint to 0.5 mm in diameter). The colonies are greyish white to colourless and most strains are α-hemolytic. | ||||||||
Micromorphology: | Motile and peritrichous rods (1 x 3-4 µm), which appear singly or in pairs. C. colinum has ovala and subterminal spores. | ||||||||
Gram +/Gram -: | G+ | ||||||||
Metabolism: | Anaerobic | ||||||||
Catalase/Oxidase: | -/- | ||||||||
Other Enzymes: | Eskulinase +, lecithinase -, tryptophanase - (= indol -). | ||||||||
Spec. Char.: | |||||||||
Special Media: | |||||||||
Disease: | Enteritis (inflammation of the small intestine). In quails, the disease is simply called quail disease. |
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Hosts: | Quails, turkeys, pheasants, grouse and chicken. | ||||||||
Clinical Picture: | Intestinal ulceration and sometimes liver nekrosis. | ||||||||
Virulence Factors: | Enterotoxin | ||||||||
16S rRNA Seq.: |
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Taxonomy/phylogeny: | |||||||||
Updated: | 2023-03-08 |