Notes on Vibrio

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Genus: Vibrio.
• Gram - ; flagella.
• Oxidase positive.

V. cholerae:
• O139 produces cholera toxin.
• Shooting star motility.
• Oxidase-positive.
• Growth on TCBS.
• Found only in human colon.
• Fecal-oral spread.

Pathogenesis:
• Mucinase, motility, and toxin co-regulated pili Tcp aid in intestinal mucosal attachment.
• Cholera toxin: ADP ribosylates Gs alpha activating adenylate cyclase; increased cAMP; watery diarrhea.

Disease:
• Cholera: rice water stools; water loss; shock.

Treatment: fluid and electrolyte replacement; doxycycline and ciprofloxacin.

Use sanitation.

V. parahaemolyticus.
• Undercooked sea food; abdominal pain; diarrhea.

V. vulnificus.
• Oysters; cellulitis; gastroenteritis; septicemia.

Additional Readings:

Basic Bacteriology

1. General Microbiology
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

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Page accessed on: July 29, 2010, 11:54 am.

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