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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Clostridium colinum
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]   
Taxonomy:
Phylum
Firmicutes
Class
Clostridia
Order
Clostridiales
Family
Clostridiaceae 
Genus
Clostridium
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.:
Disease:Enteritis (inflammation of the small intestine). In quails, the disease is simply called quail disease.
Hosts: Quails, turkeys, pheasants, grouse and chicken.
Clinical Picture: Intestinal ulceration and sometimes liver nekrosis.
Virulence Factors: Enterotoxin
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
X76748 DSM 6011T 1473  

Taxonomy/phylogeny:
Updated:2017-06-20

News

"Dear child has many names" (call it what you will...)

For a long time, Rhodococcus hoagii was refer­red to Rhodo­coccus equi on VetBact, because we experienced some resistance to the name that is now considered to be the correct one, i.e. Rhodococcus hoagii. Now you can find the bacterium in question under the correct name in VetBact, but you can also find the bacterium when searching for the old name. 

Published 2021-10-10. Read more...

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