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Yersinia pseudotuberculosis
Synonym(s): Enteric yersiniosis
Introduction
Classification
Taxonomy
- Kingdom: bacteria.
- Phylum: proteobacteria.
- Class: gammaproteobacteria.
- Order: enterobacteriales.
- Family: enterobacteriaceae.
- Genus: yersinia.
- Species: yersinia pseudotuberculosis.
Etymology
- Yersin - Swiss-born French bacteriologist.
- Gk: pseudes - false; L: tuberculum - tuber; hump/swelling.
Distribution
- Worldwide distribution. Common in the Northern hemisphere.
- Found in intestinal tracts of cattle.
- Serotypes I, II and II are known to be enteropathogens of cattle. Serotype III has the highest reported prevalence.
- Prolonged survival of Y. pseudotuberculosis in cold wet weather will facilitate fecal-oral transmission.
Significance
- Causes tuberculosis-like symptoms.
- Localized tissue necrosis and gramulomas in the spleen, liver and lymph nodes.
- Causes profuse liquid diarrhea, intestinal abscess's, abortion and systemic illness including death.
- Some evidence that it can cause mastitis and abortion.
- Zoonosis: may be fatal; mainly children and young adults.
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Resting Forms
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Clinical Effects
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Diagnosis
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Further Reading
Publications
Refereed Papers
- Recent references from PubMed and VetMedResource.
- Brown C C & Davis F N (1989) Yersinia pseudotuberculosis enteritis in four calves. J Comp Pathol 101 (4), 463-466 PubMed.
- Callinan R B, Cook R W, Boulton J G, Fraser G C & Unger D B (1988) Enterocolitis in cattle associated with Yersinia pseudotuberculosis infection. Aust Vet J 65 (1), 8-11 PubMed.
- Slee K, Brightling P & Seiler R (1988) Enteritis in cattle due to Yersinia pseudotuberculosis infection. Aust Vet J 65, 271-275 PubMed.
- Behra G D, Garg D N, Batra H V & Chandiramani N K (1984) Isolation of Yersinia pseudotuberculosis from Bovine Calves with Enteric Disorders. Microbiol Immunol 28, 237-241 PubMed.
- Zen-Yoji H, Sakai S, Maruyama T & Yanagawa Y (1974) Isolation of Yersinia enterocolitica and Yersinia pseudotuberculosis from Swine, Cattle and Rats at an Abattoir. Japanese J Microbiol 18, 103-105 PubMed.