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Comparison of DOT-ELISA and Standard-ELISA for Detection of the Vibrio cholerae Toxin in Culture Supernatants of Bacteria Isolated from Human and Environmental Samples.


ABSTRACT: A comparison of DOT-ELISA and Standard-ELISA was made for detection of Vibrio cholerae toxin in culture supernatants of bacteria isolated from human and environmental samples. A total of 293 supernatants were tested in a double blind assay. A correlation of 100 % was obtained between both techniques. The cholera toxin was found in 20 Inaba and 3 Ogawa strains. Positive samples were from seafood (17 samples), potable water (1 sample) and sewage (5 samples). The DOT-ELISA was useful as the standard-ELISA to confirm the presence of cholera toxin in the environmental samples.

SUBMITTER: Meza-Lucas A 

PROVIDER: S-EPMC4920772 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature

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Comparison of DOT-ELISA and Standard-ELISA for Detection of the Vibrio cholerae Toxin in Culture Supernatants of Bacteria Isolated from Human and Environmental Samples.

Meza-Lucas Antonio A   Pérez-Villagómez María-Fernanda MF   Martínez-López José-Patricio JP   García-Rodea Ricardo R   Martínez-Castelán María-Guadalupe MG   Escobar-Gutiérrez Alejandro A   de-la-Rosa-Arana Jorge-Luis JL   Villanueva-Zamudio Altagracia A  

Indian journal of microbiology 20160527 3


A comparison of DOT-ELISA and Standard-ELISA was made for detection of Vibrio cholerae toxin in culture supernatants of bacteria isolated from human and environmental samples. A total of 293 supernatants were tested in a double blind assay. A correlation of 100 % was obtained between both techniques. The cholera toxin was found in 20 Inaba and 3 Ogawa strains. Positive samples were from seafood (17 samples), potable water (1 sample) and sewage (5 samples). The DOT-ELISA was useful as the standar  ...[more]

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