Genotypes associated with virulence in environmental isolates of Vibrio cholerae

Article Abstract:

Researchers studied the presence of several virulence-associated factors in toxic and non-toxic strains of Vibrio cholerae. The virulence-associated factors included cholera toxin, hemolysin, non-O1 heat-stable enterotoxin, outer membrane protein, TCP, ToxR regulatory protein, and zonula occludens toxin.

Enterotoxins

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Direct detection of Vibrio cholerae and ctxA in Peruvian coastal water and plankton by PCR

Article Abstract:

Research has been conducted on plankton and seawater samples from Peruvian coastal waters. The results of PCR analysis have demonstrated that toxigenic Vibrio cholerae has been detected both in seawater and plankton samples, and that Peruvian coastal waters are the environmental reservoir for this pathogen.

United States, Science & research, Waste Management and Remediation Services, Peru, Brazil, Water Pollution, Analysis, Usage, Physiological aspects, Genetic aspects, Polymerase chain reaction, Microbiology, Microbial populations, Plankton, Microbial ecology

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Critical factors influencing the occurrence of Vibrio cholerae in the environment of Bangladesh

Article Abstract:

The influence of specific environmental factors on outbreak of cholera is to develop a model for predicting cholera to allow intervention in and/or prevention of cholera epidemics. The results show significant correlations of water temperature, water depth, rainfall, conductivity and copepod counts with the occurrence of cholera toxin producing bacteria presumably Vibrio cholerae.

Bangladesh, Health aspects, Prevention, Epidemics

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