title: [Enzyme activity of induced auxotrophic mutants of El Tor Vibrio cholerae].
abstract: Vibrio cholerae induced auxotrophic variants nonfermenting several carbohydrates simultaneously have been obtained for the first time. Eltor vibrio clones have been selected, referred to Heuberg's groups V and VI by their enzymic activities. The findings of the present study evidence that, when isolating Eltor vibrio strains negative towards differential carbohydrates, in case of a positive agglutination test, the incubation period should be prolonged to 3 days. The principal differential diagnostic test for this species, when cholera is bacteriologically diagnosed, should be a positive volumic agglutination test with species- and variant-specific sera, irrespective of Heuberg's group.
authors: P Ia
authors: PIa
authors: Ognevskiĭ
authors: V M
authors: VM
authors: Stepanov
mesh_terms: D005827:Genetics, Microbial; D009154:Mutation; D014734:Vibrio cholerae / Q000201:enzymology* / Q000235:genetics
vernacular_title: Fermentativnaia aktivnost' indutsirovannykh auksotrofnykh mutantov kholernogo vibriona El'-Tor.