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. 1994 Nov;60(11):3939–3944. doi: 10.1128/aem.60.11.3939-3944.1994

A Structure-Activity Study with Aryl Acylamidases

David T Villarreal 1,*, Ronald F Turco 2, Allan Konopka 1
PMCID: PMC201919  PMID: 16349428

Abstract

We examined the relationship between chemical structure and biodegradability of acylanilide herbicides by using a set of model compounds. Four bacterial isolates (one gram-negative and three gram-positive) that grew on acetanilide were used. These soil isolates cleaved the amide bond of acetanilide via an aryl acylamidase reaction, producing aniline and the organic acid acetate. A series of acetanilide analogs with alkyl substitutions on the nitrogen atom or the aromatic ring were tested for their ability to induce aryl acylamidase activity and act as substrates for the enzyme. The substrate range, in general, was limited to those analogs not disubstituted in the ortho position of the benzene ring or which did not contain an alkyl group on the nitrogen atom. These same N-substituted compounds did not induce enzyme activity either, whereas the ortho-substituted compounds could in some cases.

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Selected References

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