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Pathogenic vibrios in the natural aquatic environment
S Chakraborty1, G B Nair, S Shinoda
1National Institute of Cholera & Enteric Diseases, Calcutta, India.
Reviews on Environmental Health
|April 1, 1997
Summary
Pathogenic Vibrio bacteria, including Vibrio cholerae, are increasingly linked to human diseases. This review details their environmental spread and the virulence factors enabling infection.
Area of Science:
- Microbiology
- Infectious Diseases
- Environmental Health
Background:
- Members of the genus Vibrio (family Vibrionaceae) are increasingly recognized for their association with human diseases.
- Vibrio cholerae, the cause of cholera, is a globally significant pathogen, but other Vibrio species like V. parahemolyticus and V. vulnificus also pose considerable medical importance.
Purpose of the Study:
- To provide a comprehensive overview of the environmental distribution of pathogenic Vibrio species.
- To elucidate the key virulence traits that facilitate Vibrio infections in humans.
Main Methods:
- Literature review of recent studies on Vibrio species.
- Analysis of environmental distribution data for pathogenic Vibrios.
- Identification and categorization of known virulence factors.
Main Results:
- Several Vibrio species, beyond V. cholerae, are implicated in human infections, with varying degrees of established significance.
- The virulence of these bacteria is attributed to a diverse set of traits enabling them to overcome host defenses.
- Environmental distribution patterns of pathogenic Vibrios are diverse and influence their prevalence.
Conclusions:
- Understanding the environmental ecology and virulence mechanisms of Vibrio species is crucial for public health.
- Continued research is needed to fully establish the significance of emerging Vibrio pathogens.
- Effective disease prevention and treatment strategies rely on knowledge of Vibrio pathogenesis and distribution.