Vibrio cholerae O1 from superficial water of the Tucunduba Stream, Brazilian Amazon

Sá, L.L.C.Vale, E.R.V.Garza, D.R.Vicente, A.C.P.

Isolation and genetic characterization of an environmental Vibrio cholerae O1 from the Amazon is reported. This strain lacks two major virulence factors - CTX and TCP - but carries other genes related to virulence. Genetic similarity with epidemic strains is evaluated and the importance of V. cholerae surveillance in the Amazon is emphasized.

1. Vibrio cholerae O1
2. PFGE
3. environment
4. virulence genes
5. Amazon