Notes on Campylobacter

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Campylobacter:

• Microaerophilic G- curved rod with polar flagella.

Diagnosis:

• Grows on Campy medium or Skirrow's agar; oxidase positive; gull's wings.

Habitat:

• Found in intestinal tracts of humans, cattle, sheep, and poultry.

Transmission:.

• Fecal-to-oral transmission from poultry.

Pathogenesis:

• Inflammatory diarrhea; may complicate to Guillain-Barre syndrome.

Treatment:

• Erythromycin, fluoroquinolones, penicillin-resistant.

Helicobacter pylori:

• G- spiral gastric bacilli with flagella.

• Microaerophillic.

• Grows on Campy medium or Skirrow's agar; oxidase positive.

• Found in humans; fecal-oral; oral-oral.

Pathogenesis:

• Motile.

• Urease-positive: allows survival in stomach.

• Mucinase: aids in mucosal penetration.

• Invasive.

Diseases:

• Chronic gastritis and duodenal ulcers.

• Stomach cancer.

• Type I carcinogen.

Diagnosis:

• Giemsa or silver stain.

• Breath test: 13C-urea swallowed; ammonia + 13C-CO2 produced.

Treatment:

• Omeprazole + amoxicillin + clarithromycin.

Additional Readings:

Basic Bacteriology

1. Bacterial Locations and Toxins
2. Growth Medias and Oxygen Requirements
3. Staphylococus
4. Streptococcus
5. Enterococcus
6. Bacillus
7. Listeria
8. Corynebacterium
9. Actinomyces
10. Nocadria
11. Mycobacterium
12. Clostridium
13. Neisseria
14. Pseudomonas
15. Legionella
16. Bordetella
17. Francisella
18. Brucella
19. Campylobacter
20. Escherichia
21. Shigella
22. Klebsiella
23. Salmonella
24. Yersinia
25. Proteus
26. Vibrio
27. Pasteurella
28. Haemophilus
29. Bacteriodes and Prevotella
30. Treponema
31. Borrelia
32. Rickettsia
33. Coxiella
34. Ehrlichia
35. Chlamydia
36. Mycoplasma
37. What is an ELEK's Test?
38. Causes of Orchitis
39. What is Leprosy?
40. What is Folliculitis?
41. What is Botulism?
42. How to interpret PPD (Purified Protein Derivative) results?
43. Prenatal Infections

Related Topics

1. Bacterial vs viral infections

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