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. 1987 May;53(5):911–916. doi: 10.1128/aem.53.5.911-916.1987

Relationship between properties of a series of anilines and their transformation by bacteria.

D F Paris, N L Wolfe
PMCID: PMC203785  PMID: 3606098

Abstract

The effect of compound structure on the microbial transformation of a series of substituted anilines was investigated. For the pure-culture and environmental water samples studied, the rate of transformation of the compounds decreased in the following order: aniline greater than 3-bromoaniline greater than 3-chloroaniline greater than 3-methylaniline greater than 3-methoxyaniline greater than 3-nitroaniline greater than 3-cyanoaniline. Second-order rate constants (kb) for each compound was calculated by using bacterial and compound concentrations measured as a function of time. The rate constants correlated with steric parameters. Water samples also were used in kinetic studies with three of the compounds (aniline, 3-chloroaniline, and 3-nitroaniline) to test the relationships with mixed bacterial populations. A simple linear regression of van der Waals radius of the substituent group with log kb gave correlation coefficients (r2) of 0.924 for the river isolate and 0.99 for the mixed populations. Analyses of pure-culture and mixed-population samples by thin-layer chromatography indicate that the primary products are catechols. This finding suggests that the transformation pathway involves oxidative deamination of the anilines.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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