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. 1994 Jan;60(1):223-6.
doi: 10.1128/aem.60.1.223-226.1994.

Selective Desulfurization of Dibenzothiophene by Rhodococcus erythropolis D-1

Y Izumi  1 , T Ohshiro, H Ogino, Y Hine, M Shimao
Affiliations

Selective Desulfurization of Dibenzothiophene by Rhodococcus erythropolis D-1

Y Izumi et al. Appl Environ Microbiol. 1994 Jan.

Abstract

A dibenzothiophene (DBT)-degrading bacterium, Rhodococcus erythropolis D-1, which utilized DBT as a sole source of sulfur, was isolated from soil. DBT was metabolized to 2-hydroxybiphenyl (2-HBP) by the strain, and 2-HBP was almost stoichiometrically accumulated as the dead-end metabolite of DBT degradation. DBT degradation by this strain was shown to proceed as DBT --> DBT sulfone --> 2-HBP. DBT at an initial concentration of 0.125 mM was completely degraded within 2 days of cultivation. DBT at up to 2.2 mM was rapidly degraded by resting cells within only 150 min. It was thought this strain had a higher DBT-desulfurizing ability than other microorganisms reported previously.

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