Campylobacter and helicobacter species
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MICROBIOLOGY
- Gram-negative bacteria with a curved bacillary appearance on Gram stain [Fig].
- Oxidase positive.
- Grow best at 37º-41ºC.
- See separate modules for the following organisms:
- Covered in this module:
- Other Campylobacter members include C. coli (after C. jejuni, second most common), C. fetus >> C. lari, C. gracilis, C. concisus, C. ureolyticus, C. upsaliensis.
- Usually, a cause of gastroenteritis.
- Worldwide zoonosis, with C. fetus causing abortion in cattle and sheep.
- Helicobacter spp. closely related to Campylobacter (e.g., H. pylori formerly C. pylori)
- H. cinaedi, H. fennelliae, H. pullorum, H. westmeadii, H. canadensis described as causing human illness.
- Uncommon causes of enteritis, cellulitis and sepsis, often in immunocompromised.
- Other Campylobacter members include C. coli (after C. jejuni, second most common), C. fetus >> C. lari, C. gracilis, C. concisus, C. ureolyticus, C. upsaliensis.
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MICROBIOLOGY
- Gram-negative bacteria with a curved bacillary appearance on Gram stain [Fig].
- Oxidase positive.
- Grow best at 37º-41ºC.
- See separate modules for the following organisms:
- Covered in this module:
- Other Campylobacter members include C. coli (after C. jejuni, second most common), C. fetus >> C. lari, C. gracilis, C. concisus, C. ureolyticus, C. upsaliensis.
- Usually, a cause of gastroenteritis.
- Worldwide zoonosis, with C. fetus causing abortion in cattle and sheep.
- Helicobacter spp. closely related to Campylobacter (e.g., H. pylori formerly C. pylori)
- H. cinaedi, H. fennelliae, H. pullorum, H. westmeadii, H. canadensis described as causing human illness.
- Uncommon causes of enteritis, cellulitis and sepsis, often in immunocompromised.
- Other Campylobacter members include C. coli (after C. jejuni, second most common), C. fetus >> C. lari, C. gracilis, C. concisus, C. ureolyticus, C. upsaliensis.
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