Construction of Escherichia coli strains for conversion of nitroacetophenones to ortho-aminophenols

Article Abstract:

A recombinant plasmid carrying nitrobenzene (NB) nitroreductase (nbzA) and hydroxylaminobenzene (HAB) mutase A genes is constructed and the enzymes in Escherichia coli JS995 are expressed. The biocatalytic production of ortho-aminophenols from nitroacetophenols suggests that strain JS995 might be useful in the biocatalytic production of a variety of substituted ortho-aminophenols from the corresponding nitroaromatic compounds.

author: Spain, Jim C., Nadeau, Lloyd J., Kadiyala, Venkateswarlu
Nitrated Aromatics, Genetic aspects, Escherichia coli, Amino compounds, Nitroaromatic compounds

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Bacterial conversion of hydroxylamino aromatic compounds by both lyase and mutase enzymes involves intramolecular transfer of hydroxyl groups

Article Abstract:

Research has been conducted on conversion of hydroxylaminobenzene by Pseudomonas pseudoalcaligenes JS45 strain. The hypothesis that intramolecular mechanism observed during this conversion applies to the other types of enzyme-catalyzed reactions has been tested, and the results are described.

author: Spain, Jim C., He, Zhongqi, Nadeau, Lloyd J.
All Other Basic Inorganic Chemical Manufacturing, Enzymes, Other Basic Organic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Hydroxylamines, Analysis, Biodegradation

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On the origins of cyanuric acid hydrolase: purification, substrates, and prevalence of AtzD from Pseudomonas sp. strain ADP

Article Abstract:

Research has been conducted on Pseudomonas sp. strain ADP cyanuric acid hydrolase. The authors have purified this acid to homogeneity, and have demonstrated that this acid is a substrate.

author: Sadowsky, Michael J., Wackett, Lawrence P., Fruchey, Isaac, Shapir, Nir
Industrial Organic Chemicals, Cyanuric Acid & Derivatives, Cyanuric Acid, Microbial populations, Hydrolases

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subjects list: Research, United States, Physiological aspects, Environmental aspects, Enzymes, Pseudomonas, Microbiology, Microbial ecology
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