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Relationship between Indole Production, Nitrite Production and Carbohydrate Fermentation in Vibrio cholerae
Author(s) -
Ozawa Atsushi
Publication year - 1967
Publication title -
japanese journal of microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.664
H-Index - 70
eISSN - 1348-0421
pISSN - 0021-5139
DOI - 10.1111/j.1348-0421.1967.tb00317.x
Subject(s) - nitrite , indole test , vibrio cholerae , fermentation , chemistry , biochemistry , food science , microbiology and biotechnology , bacteria , organic chemistry , biology , nitrate , genetics
Vibrio cholerae produces indole in the presence of nitrite even though the former cannot always be demonstrated as such by standard test procedures. The results of present experiments indicate that the inhibition of a positive indole reaction by nitrite may be due to the interaction of nitrite with the para‐dimethyl‐amino‐benzaldehyde in the indole reagent. Several factors, such as strain differences, pH change of culture medium, nature of fermentable carbohydrates, are also associated with the inhibition of indole production in the presence of fermentable substrates. The way in which these factors, singly or in combination, affect this inhibition is not known.