Simultaneous biodetoxifiation of S, N, and O pollutants by engineering of a carbazole-degrading gene cassette in a recombinant biocatalyst

Article Abstract:

A study introduced the gene cassette encoding enzymes responsible for degrading carbazole to anthranilic acid into a dibenzothiophene degrader. The resultant strain, Rhodococcus erythropolis XPDN, could simultaneously transform the model pollutants dibenzothiophene, carbazole, and dibenzofuran to nontoxic and might have a application potential for bioremediation.

Science & research, Research, Bioremediation, Dibenzofurans, Microbial genetics, Thiophene, Report

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Microbial desulfurization of gasoline in a Mycobacterium goodii X7B immobilized-cell system

Article Abstract:

Mycobacterium goodii X7B that was primarily isolated as a bacterial strain capable of desulfurizing dibenzothiophene to produce 2-hydroxybiphenyl was found to desulfurize benzothiophene. It is concluded that when immobilized cells incubated at 40 degree Celsius with DSRG275, the sulfur content decreases from 275 to 54 ppm in two consecutive reactions.

Analysis, Physiological aspects, Genetic aspects, Mycobacteria, Mycobacterium, Gasoline research, Desulfurization, Desulfuration

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Deep desulfurization of diesel oil and crude oils by a newly isolated Rhodococcus erythropolis strain

Article Abstract:

A study was conducted on the desulfurization of the crude oil, using the soil-isolated strain Rhodococcus erythropolis XP. It was observed that elimination of most of the organic sulfur compounds was detected after biodesulfurization.

PETROLEUM AND COAL PRODUCTS, Petroleum, Petroleum and Coal Products Manufacturing, Petroleum & Energy Products, Observations, Composition, Fuel oil, Fuel oils, Petroleum desulfurization

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