Chloroform cometabolism by butane-grown CF8, Pseudomonas butanovora, and Mycobacterium vaccae JOB5 and methane-grown Methylosinus trichosporium OB3b

Article Abstract:

Microbiological research shows that the enzyme butane monooxygenase plays a direct role in chloroform degradation in butane-grown bacteria. Bacterial butane-grown cultures of Pseudomonas butanovora need exogenous reductant to achieve CF degradation. However, butane-grown Mycobacterium vaccae JOB5 uses endogenous reductants to achieve degradation. The chloroform degrader Methylosinus trichosporium OB3b degrades chloroform more efficiently than the other bacteria.

Environmental aspects, Biodegradation, Pseudomonas, Mycobacterium, Hydrocarbons, Hydrocarbon research, Cometabolism

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Diversity in butane monooxygenases among butane-grown bacteria

Article Abstract:

Research was conducted to determine the biochemical characteristics of butane monooxygenase in three strains of butane-grown bacteria. Results indicate each of the strains studied contained a distinct form of the enzyme.

United States, Physiological aspects, Enzymes, Bacteria, Alkanes

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Two distinct monooxygenases for alkane oxidation in Nocardioides sp. strain CF8

Article Abstract:

Researchers present evidence that Nocardioides sp. strain CF8 has two different alkane monooxygenases. One is expressed in cells grown on alkanes above C(sub 6).

Oxidases, Microbial enzymes, Nocardia asteroides

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