Vibrio cholerae
Vibrio cholerae
Vibrio cholerae (pronounced: /ˈvaɪbrioʊ kɒˈlɛriː/) is a Gram-negative, comma-shaped bacteria that causes cholera. It is a member of the family Vibrionaceae and is found in brackish or saltwater environments.
Etymology
The term "Vibrio" is derived from the Latin word "vibrio" which means "to vibrate", referring to the bacteria's characteristic motility. "Cholerae" is derived from the Greek word "kholera" which means "flow of bile", referring to one of the symptoms of cholera, which is severe diarrhea.
Characteristics
Vibrio cholerae is a facultative anaerobe and has a flagellum at one cell pole which gives it its characteristic motility. It is also capable of twitching motility and gliding motility. The bacteria are highly adaptable and can survive in various environments, including water and food sources.
Pathogenesis
Vibrio cholerae causes cholera by producing a toxin called cholera toxin, which causes severe, watery diarrhea. This can lead to dehydration and, if not treated, can be fatal.
Related Terms
- Cholera
- Gram-negative bacteria
- Facultative anaerobe
- Flagellum
- Twitching motility
- Gliding motility
- Cholera toxin
- Dehydration
External links
- Medical encyclopedia article on Vibrio cholerae
- Wikipedia's article - Vibrio cholerae
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