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Related Experiment Videos

Gastric spiral bacilli in captive cheetahs.

K A Eaton1, M J Radin, L Kramer

  • 1Dept. of Veterinary Pathobiology, Ohio State University, Columbus 43210.

Scandinavian Journal of Gastroenterology. Supplement
|January 1, 1991
PubMed
Summary

Researchers identified two types of gastric spiral bacteria in cheetahs with gastritis. One resembled Gastrospirillum hominis, while the other was similar to Helicobacter pylori, possibly a new species, and may cause the inflammation.

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Area of Science:

  • Veterinary Microbiology
  • Gastroenterology
  • Wildlife Pathology

Background:

  • Gastritis is a common condition in captive cheetahs.
  • The etiology of gastritis in cheetahs is not fully understood.
  • Gastric spiral bacilli are known pathogens in various animal species.

Purpose of the Study:

  • To identify and characterize spiral bacteria in cheetahs with naturally occurring gastritis.
  • To determine the potential role of these bacteria in cheetah gastritis.
  • To compare the identified bacteria with known gastric pathogens.

Main Methods:

  • Gastric biopsies were collected from cheetahs with gastritis.
  • Morphological and ultrastructural analysis of spiral bacilli using electron microscopy.

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  • Biochemical and bacteriologic characterization of culturable bacteria.
  • Comparison with reference strains of Helicobacter pylori and Gastrospirillum hominis.

    • Main Results:

    • Two distinct types of gastric spiral bacilli were identified.
    • One type was morphologically similar to Gastrospirillum hominis but unculturable.
    • The second type was morphologically, biochemically, and bacteriologically similar to Helicobacter pylori, suggesting a new species.
    • Some bacilli exhibited superficial helical filaments, while others did not.

    Conclusions:

    • Captive cheetahs harbor distinct gastric spiral bacilli.
    • A Helicobacter pylori-like organism, potentially a new species, was identified.
    • These bacteria are implicated as potential causative agents of gastritis in cheetahs.
    • Further research is needed to confirm pathogenicity and host specificity.